Building permits, zoning and land rules in Del Norte County, California
53Index Score / 100 #8 of 58 in California
Unincorporated Del Norte County, California requires a building permit for construction the county's Building Inspection Division regulates, with plans checked before work starts12. Zoning is county-run under Title 20 (non-coastal) and Title 21 (coastal)3. Septic permits are county-run, not city-run: Del Norte County Environmental Health handles onsite wastewater, and county code sends standard systems to the building department and alternative systems to the health officer45. Crescent City separately requires its own building permit inside city limits6.
At a glance
Building permit
Required for regulated construction; plans are checked before work starts12
Zoning
Yes; non-coastal and coastal parcels follow different county zoning titles73
Septic
County Environmental Health handles onsite wastewater systems48
RV living
Not a permanent dwelling by default; RVs generally belong in mobilehome or special occupancy parks unless a local ordinance allows otherwise910
Tiny home
Must qualify under an approved building, manufactured-home, factory-built or recreational-unit classification11
Owner-builder
A conditional contractor-license exemption is available, but permits and inspections still apply1213
Minimum home size
Minimum lot area varies by zoning district (for example 1 acre in RR-1, 5 acres in RRA-5); the confirmed minimum for qualifying ADUs is 150 square feet1415
Water wells
Well construction, alteration and destruction need a permit from the county's local enforcing agency16
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Do you need a building permit in Del Norte County, California?
Yes, for regulated construction in unincorporated Del Norte County. The Building Inspection Division processes permits for construction regulated by the California Building Code and Title 24 and checks plans for code compliance before authorizing work12. Within Crescent City, covered construction cannot begin until the city issues its own permit, although the city identifies limited exceptions6. For applications submitted in 2026, the statewide baseline is the 2025 California Building Standards Code, which applies to permit applications dated on or after January 1, 202617. The owner-builder exemption removes only contractor licensing: an owner-builder who signs a permit application must pull all building permits and pass inspections121813. Ask Building Inspection whether a small agricultural or accessory structure on a given parcel is covered, since we could not confirm an agricultural exemption.
Who is the Del Norte County building department, and how do you reach it?
The Del Norte County Building Inspection Division reviews building permits and plans; reach the office at (707) 464-7253 or building@co.del-norte.ca.us, or visit 981 H Street, Suite 110, Crescent City, CA 9553119. For land-use questions, the Del Norte County Planning Division processes development-permit applications and administers zoning and subdivision regulations; its phone is (707) 464-7254 and its email is planning@co.del-norte.ca.us20. County Community Development permit fees are published, with the amount depending on the division and service21. Engineering and Surveying reviews drainage, grading and improvement plans for new development; reach it at (707) 464-7229 or engineering@co.del-norte.ca.us22. Because Crescent City has its own confirmed permit rule, first establish whether the parcel is inside the city or in unincorporated Del Norte County6.
Does Del Norte County have zoning?
Yes. Del Norte County uses Title 20 for non-coastal zoning and Title 21 for coastal zoning, and the county provides a geographic information system with a zoning layer323. Parcel-specific setbacks, allowed uses and lot coverage depend on the zoning district and Coastal Zone status324. For new attached and detached ADUs, the front setback follows the zone district, while side and rear setbacks are generally four feet, with possible corner-lot exceptions25. Detached ADUs are generally limited to 16 feet in height, with specified situations allowing 18 or 25 feet; attached ADUs follow the underlying district's height allowance26. If lot coverage would otherwise preclude an ADU, the county allows one attached or detached ADU up to 800 square feet24. Minimum lot area depends on the district: the county's published table lists 1 acre in RR-1 and RRA-1, 2 acres in RR-2 and RRA-2, 3 acres in RR-3 and RRA-3, 5 acres in RRA-5, and 6,000 to 20,000 square feet in R-1, so confirm the parcel's district and current code text with Planning14. Subdivision is administered by Planning under the same framework, and the county's page does not state the application requirements27.
How do septic permits work in Del Norte County?
Del Norte County Environmental Health is the local office for onsite wastewater treatment systems, and California requires local approval for qualifying new and replacement systems428. Before any onsite-system soil analysis, Environmental Health instructs applicants to submit its Parcel Soil Analysis Form; reach the division at (707) 465-0426 or environmental-health@co.del-norte.ca.us29. Del Norte County Code Section 14.12.050 requires a permit before any onsite sewage disposal system is built, altered, repaired or removed: standard systems get that permit from the building department and alternative systems from the health officer, so ask Environmental Health and Building Inspection which one a given site needs305. Soil feasibility is a serious purchase-stage issue in Del Norte County: only about 0.1% of mapped soils rate as free of severe limits for a conventional septic drain field31. That does not make septic impossible, but it supports budgeting for site evaluation and possibly a nonconventional design31. County-specific inspection timing could not be confirmed, so ask Environmental Health what testing, design review, construction inspections and final clearance the parcel requires. In the unincorporated Crescent City area, County Service Area No. 1 provides sanitary sewer collection, subject to connection and development conditions32.
Can you live in an RV or tiny home on land in Del Norte County?
A recreational vehicle is not intended as a permanent dwelling in Del Norte County; unless a local ordinance allows otherwise, RVs generally may be occupied only in mobilehome parks or special occupancy parks910. The county's rules for temporary RV use on private land during construction could not be confirmed, so ask Planning before relying on one. County parks are the documented short-stay option: Florence Keller Park takes vehicles up to 32 feet, and campsites are first come, first served at $20 per night33. A tiny home on wheels is treated as an RV or park trailer, while one permanently affixed to land must meet the California Building Code or factory-built-housing standards3411. A qualifying manufactured home may be installed outside a park, subject to local zoning, installation, building and septic requirements35. A mobile tiny home is not eligible as an ADU; an ADU needs a permanent foundation and utility connections36. For a qualifying ADU, the confirmed minimum is 150 square feet15. The county's ADU amnesty path requires an approved application, an initial inspection, corrections, a final inspection and then a Certificate of Compliance37.
Building a home in Del Norte County: the steps, in order
Ask Planning to confirm jurisdiction, zoning, Coastal Zone status, allowed residential use and development standards203.
Document legal access from the nearest public road with filed or recorded records; an assessor's parcel map alone does not establish legal access38.
Identify water and wastewater service: the county provides no public water, several local providers serve parts of the county, and County Service Area No. 1 provides sewer collection in the unincorporated Crescent City area3932.
For a private well, ask Del Norte County Health & Human Services, the listed local permitting agency for water-well construction, alteration and destruction16.
If onsite wastewater is needed, submit the Parcel Soil Analysis Form before Environmental Health's soil analysis and ask for the complete approval sequence2928.
Ask Building Inspection whether the project requires a county permit, then submit the required plans before starting regulated work1940.
Coordinate drainage, grading and improvement-plan review with Engineering and Surveying when required22.
Schedule every inspection the approved project requires; owner-builder status does not waive otherwise applicable inspections1213.
What should you check before buying land in Del Norte County?
Start with buildability rather than acreage. Only about 6.6% of Del Norte County land is at a slope of 15% or less, and about 94.1% is wooded, so clearing, grading and access can dominate site costs4142. Septic deserves equal attention because only about 0.1% of mapped soils rate as free of severe limitations for a conventional drain field31. Confirm legal access before closing, since a development application must document access from the nearest public road and an assessor's parcel map is not enough38. Check utility territory by location: the county supplies no public water, and sewer collection is available through County Service Area No. 1 only in the unincorporated Crescent City area3932. Del Norte County averages about 76.4 inches of precipitation annually; ask Engineering and Surveying about drainage and mapped flood hazards because the applicable floodplain-development rule could not be confirmed4322.
Watch-outs
Del Norte County's coastal and non-coastal areas use different zoning titles, so confirm Coastal Zone status before relying on a use table or setback3.
An assessor's parcel map does not prove legal access; a development application must document access from the nearest public road with filed or recorded records38.
Private-land RV use during construction could not be confirmed; ask the Planning Division before treating an RV as temporary housing, and note that county campgrounds are first come, first served2033.
The county's building page still describes the 2019 code edition, while the 2025 California Building Standards Code applies to permit applications on or after January 1, 2026; confirm the current submittal requirements with Building Inspection4017.
The confirmed 150-square-foot minimum applies to qualifying ADUs in unincorporated Del Norte County, not necessarily to a new primary dwelling; minimum lot area also varies by zoning district1514.
Vacation rentals and Airbnb room rentals in unincorporated Del Norte County may need a use permit (ask Planning and Building) and must register for a Transient Occupancy Tax certificate; no business license is required at this time44.
Written October 10, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.
Del Norte County highlighted among the California counties · colored by Index score
How Del Norte County scores
Seclusion75100% ev.
Self-Sufficiency43100% ev.
Admin Boringness3690% ev.
Durability32100% ev.
Property Autonomy56100% ev.
Carry Cost58100% ev.
Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →
$372kTypical home
0.6%Property tax
$10,206Land / acre
76.4"Annual rain
18.4% of yrsSevere drought
0 / yr (+0)Mid-century 100°F days
39.2 daysMid-century dry spell
4.54" (+6.1%)Mid-century 1-day rain
1.16×Wildfire change factor
100%Forward climate coverage
$1,639Home insurance / yr
8.3% / yrInsurance growth
0.94%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
22,047People within 30 min
257,425People within 2 hr
27,319Radius comparison (15 mi)
26.4People / sq mi
70.6%Federal land
6.6%Land at 15% slope or less
0.1%Soils rated "not limited" for septic (strict USDA rating)
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Cities and towns in Del Norte County
Inside a city or town, that city usually issues building permits and sets zoning; the county’s rules above cover unincorporated land. Septic, wells and floodplain rules usually stay with the county or state everywhere.
What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.
Del Norte County rules
Building code adoptedAdopted (with conditions)
Construction activities in Del Norte County reviewed and processed by the County Building Inspection Division.
The Building Inspection Division processes permits for construction activities regulated by the 2019 California Building Code and Title 24 of the California Code of Regulations.
The codes are adopted by the State of California and modified by Del Norte County.
Other applicable codes include the Health and Safety Code, Business and Professions Code, California Administrative Code, and other codes relevant to public health and safety regarding structures.
Plan checking for compliance occurs before authorization to begin work.
California Building Code edition identified by County: 2019 · applicable state code: Title 24 of the California Code of Regulations
“construction activities regulated by the 2019 California Building Code [...] as adopted by the State of California and as modified by Del Norte County.”
InspectionsLimited
Unpermitted ADUs and JADUs participating in the Del Norte County ADU Amnesty Program.
The application must be approved before the legalization steps described on the page.
The unit must be brought up to current building codes and safety standards.
The applicant must schedule a building inspection, complete required modifications, and schedule a final inspection after modifications are complete.
The Building Division issues a Certificate of Compliance after the final inspection.
Future fire and life-safety violations left unaddressed may result in revocation of the Certificate of Compliance.
“Schedule a building inspection to assess the current state of your ADU.”
County-wide zoningPresent (with conditions)
Del Norte County zoning under Title 20 for non-coastal areas and Title 21 for coastal areas.
The Planning Division administers and enforces zoning and subdivision regulations in accordance with the County General Plan, Local Coastal Program, and applicable state laws.
Coastal development is subject to the Local Coastal Program and Title 21 Coastal Zoning.
non-coastal zoning code: Title 20 · coastal zoning code: Title 21
“DEL NORTE COUNTY ZONING ORDINANCE * Del Norte County Code 1. Title 20 – Non-Coastal Zoning 2. Title 21 – Coastal Zoning”
Local zoningPresent (with conditions)
County-administered zoning in Del Norte County, including non-coastal and coastal zoning frameworks; incorporated Crescent City planning is separately administered.
The county zoning ordinance includes Title 20 for Non-Coastal Zoning and Title 21 for Coastal Zoning.
The County Planning Division administers and enforces zoning in accordance with the Del Norte County General Plan, Local Coastal Program, and applicable state laws.
The Planning Division processes applications for development permits and provides information on zoning and subdivision matters.
The County of Del Norte is not responsible for planning activities within the City of Crescent City.
“The Planning Division of the Community Development Department administers and enforces zoning and subdivision regulations in accordance with the Del Norte County General Plan, Local Coastal Program, and applicable state laws.”
Zoning districtsPublished (with conditions)
County zoning districts and standards in areas governed by Del Norte County zoning regulations.
Title 20 governs non-coastal zoning.
Title 21 governs coastal zoning.
The County provides a Geographic Information System with a zoning layer.
The cited county source does not establish zoning administration within incorporated municipalities.
“DEL NORTE COUNTY ZONING ORDINANCE Del Norte County Code 1. Title 20 – Non-Coastal Zoning 2. Title 21 – Coastal Zoning County Geographic Information System with Zoning Layer”
Minimum dwelling sizeSpecified
Junior ADUs and standard ADUs, including conversion, attached-new-construction, and detached-new-construction ADUs, in unincorporated Del Norte County where the applicable zoning district or General Plan allows residential uses and an existing or proposed primary dwelling exists.
The cited county ADU standards apply to the unincorporated County; incorporated municipalities are outside this claim's scope.
A JADU has a minimum size of 150 square feet and a maximum size of 500 square feet.
A standard ADU has a 150-square-foot minimum for conversion, attached-new-construction, and detached-new-construction types; the standard ADU maximum is 1,200 square feet.
ADUs are allowed only where the zoning district or General Plan allows residential uses and there is an existing or proposed primary dwelling.
For parcels in the California Coastal Zone, the County directs applicants to contact the Planning Division for details; additional review may be required before a building permit is issued.
An existing unpermitted ADU or a new ADU must first be reviewed by the Planning Division for eligibility and, if allowed, requires a Building Inspection Division building permit. Some projects may require discretionary planning approval.
Conversion ADUs and JADUs may include up to 150 square feet of new construction, and that new construction must meet applicable ADU height and setback standards.
“Junior ADU
| 150 sq. ft.
| 500 sq. ft. [...] Standard ADU: Conversion of Space in Residence | 150 sq. ft. | 1,200 sq. ft. [...] Standard ADU: Attached New Construction | 150 sq. ft. | 1,200 sq. ft. [...] Standard ADU: Detached New Construction | 150 sq. ft. | 1,200 sq. ft.”
Minimum lot sizeDistrict specific (with conditions)
Residential and certain commercial zoning districts in unincorporated Del Norte County, subject to the applicable County zoning district and subdivision rules.
The County identifies Title 20 as its non-coastal zoning ordinance and Title 21 as its coastal zoning ordinance.
The source states that minimum standards are contained in the County Zoning and Subdivision Ordinances, Titles 16, 20, and 21.
Minimum lot area varies by zoning district; the cited table lists R-1 at 6,000–20,000 square feet, R-2 and R-3 at 7,200 square feet, UMHP at 1 acre, RR-1 at 1 acre, RR-2 at 2 acres, RR-3 at 3 acres, RRA-1 at 1 acre, RRA-2 at 2 acres, RRA-3 at 3 acres, RRA-5 at 5 acres, R-1A and R-2A at 1 acre, RMHP at 1 acre, C-1 as having no minimum lot with water/sewer, C-2 through C-4 at 2,904–3,630 square feet, and CR at 1 acre.
The cited Housing Element is an adopted 2014 planning document; the current County page separately links the current County Code, so current district text and amendments should be checked before relying on a particular parcel determination.
R-1 minimum lot area: 6,000-20,000 square feet · R-2 minimum lot area: 7200 square feet · R-3 minimum lot area: 7200 square feet · UMHP minimum lot area: 1 acre · RR-1 minimum lot area: 1 acre · RR-2 minimum lot area: 2 acres · RR-3 minimum lot area: 3 acres · RRA-1 minimum lot area: 1 acre · RRA-2 minimum lot area: 2 acres · RRA-3 minimum lot area: 3 acres · RRA-5 minimum lot area: 5 acres · R-1A minimum lot area: 1 acre · R-2A minimum lot area: 1 acre · RMHP minimum lot area: 1 acre · C-1 minimum lot area: no minimum lot with water/sewer (water/sewer required) · C-2 through C-4 minimum lot area: 2,904-3,630 square feet · CR minimum lot area: 1 acre
“Table 46: Zoning Densities for Housing Zone District Minimum Lot Area [...] Single Family Residence (R-1) 6,000-20,000 sq. ft. 6,000-20,000 sq. ft. Low Density Multiple Family Residential (R-2) 7,200 sq. ft. 3,600 sq. ft.”
One more reviewed finding on this topic
District specific (with conditions) — Development in the Harbor Dependent Marine Commercial, Harbor Dependent Recreational, and Harbor Visitor Serving Commercial districts under Del Norte County Code Chapter 21.47.
“Minimum parcel area shall be two thousand eight hundred and fifty square feet.”
SetbacksDistrict specific (with conditions)
New-construction attached and detached accessory dwelling units; front setbacks follow the applicable zone district, while the County summary states four-foot side and rear setbacks.
Front setback is the zone-district standard.
Exceptions may apply on corner lots.
Conversion ADUs and JADUs with new construction must meet applicable ADU height and setback standards.
Coastal Zone parcels require Planning Division assistance.
side setback: >= 4 feet (Exceptions may apply on corner lots.) · rear setback: >= 4 feet (Exceptions may apply on corner lots.) · front setback: applicable zone district standard
“Minimum front setbacks: standard for the zone district [...] Minimum side setbacks: 4 feet [...] Minimum rear setbacks: 4 feet”
Lot coverageDistrict specific (with conditions)
Accessory dwelling units subject to the applicable zoning district's lot-coverage requirements.
An exception applies when allowable site coverage would preclude an ADU.
The exception allows one attached or detached ADU up to 800 square feet regardless of bedroom count.
Coastal Zone parcels require Planning Division assistance.
exception ADU maximum size: <= 800 square feet (Applies when allowable site coverage would preclude an ADU.)
“An ADU shall comply with the lot coverage requirements of the applicable zoning district”
Building heightDistrict specific (with conditions)
Accessory dwelling units in Del Norte County; attached ADUs follow the underlying zone district, and detached ADUs have the County-stated height standards.
Detached ADUs are generally limited to 16 feet but may be higher under certain conditions.
A detached ADU on a parcel with a multistory, multi-unit dwelling structure is limited to 18 feet.
An ADU above a detached garage is limited to 25 feet.
An attached ADU is limited to the height allowed in the underlying zone district.
Coastal Zone parcels require Planning Division assistance.
detached ADU height: <= 16 feet (May be higher under certain conditions.) · detached ADU with multistory, multi-unit dwelling: <= 18 feet · ADU above detached garage: <= 25 feet · attached ADU height: underlying zone district allowance
“16 ft. but may be higher under certain conditions.”
Camping on your landAllowed (with conditions)
Temporary tent camping and camping-vehicle use at specified Del Norte County parks and campgrounds, including Florence Keller Park, Ruby Van Deventer Park, and Clifford Kamph Memorial Park.
Campsites are first come, first serve; the page states there are no reservations at this time.
Florence Keller Park accommodates tent camping and vehicles up to 32 feet.
Clifford Kamph Memorial Park has tent-only campsites.
Posted campsite fees are $20 per night, including two vehicles, plus $5 for each additional vehicle; Florence Keller Park lists full hook-up at $30 per day.
Florence Keller vehicle length limit: <= 32 feet · campsite fee: 20 USD/night (includes 2 vehicles; each additional vehicle is $5) · Florence Keller full hook-up: 30 USD/day
“Florence Keller park accommodates tent camping and vehicles up to 32 feet. [...] The park has 14 tent-only campsites.”
Accessory dwellingsAllowed (with conditions)
Accessory dwelling units in unincorporated Del Norte County.
The owner should verify parcel eligibility with the Planning Division using the parcel's Assessor Parcel Number.
If allowed, a building permit from the Building Inspection Division is required.
Some projects may require discretionary planning approval, coastal findings, grading permits, or septic-system modifications.
A mobile tiny home is not eligible as an ADU; an ADU must be on a permanent foundation and connected to utilities.
Owner occupancy is required only when a JADU is also on the property.
maximum JADU size: <= 500 square feet (including additions of no more than 150 square feet) · ADU application review period: 60 days (for a complete and correct application; resubmissions reset the review clock) · maximum new-construction ADU size: <= 1200 square feet (depending on parcel size, ADU type, bedrooms, existing floor area, and lot coverage)
“ADUs in the unincorporated County. [...] If the ADU is allowed, you will need to obtain a building permit”
Who permits septicCounty
Administration of permits for standard and alternative onsite sewage disposal systems under Del Norte County Code Section 14.12.050.
The health officer is the permitting authority for alternative onsite sewage disposal systems.
The building department is the permitting authority for standard onsite sewage disposal systems.
State and regional water boards retain oversight under California's OWTS Policy; the North Coast Regional Water Quality Control Board identifies Del Norte County as having no submitted LAMP in its status table.
“A. No alternative on-site sewage disposal system shall be constructed, enlarged, altered, repaired, relocated, removed, or demolished unless a permit has first been obtained from the health officer. B. No standard on-site sewage disposal system shall be constructed, enlarged, altered, repaired, relocated, removed, or demolished unless a permit has first been obtained from the building department.”
Septic permitRequired
Construction, enlargement, alteration, repair, relocation, removal, or demolition of standard or alternative onsite sewage disposal systems governed by Del Norte County Buildings and Construction Code Section 14.12.050.
Alternative onsite sewage disposal systems require a permit first from the health officer.
Standard onsite sewage disposal systems require a permit first from the building department.
The quoted county-code provision is cited in a California Coastal Commission proceeding concerning an unincorporated Del Norte County property.
The North Coast Regional Water Quality Control Board page states that Del Norte County had no submitted LAMP as of the page's listed status; applicable state OWTS Policy requirements therefore remain relevant.
“A. No alternative on-site sewage disposal system shall be constructed, enlarged, altered, repaired, relocated, removed, or demolished unless a permit has first been obtained from the health officer. B. No standard on-site sewage disposal system shall be constructed, enlarged, altered, repaired, relocated, removed, or demolished unless a permit has first been obtained from the building department.”
Well permitRequired
Water-well construction, alteration, and destruction under the Del Norte County local enforcing agency jurisdiction.
California local jurisdictions may adopt well ordinances meeting or exceeding DWR standards.
The listed Del Norte County permitting agency is Del Norte County Health & Human Services.
The claim concerns water-well construction, alteration, and destruction; special well types may have additional state or local requirements.
“In California, regulatory authority over well construction, alteration, and destruction activities rests with local jurisdictions (cities, counties, or water agencies), who have the authority to adopt a local well ordinance that meets or exceeds DWR Well Standards. Permitting and enforcement are carried out by the local enforcing agency (LEA), such as the County Department of Environmental Health.”
Mandatory utility hookupWater (with conditions)
Public water availability and connection coordination for projects in Del Norte County.
Del Norte County does not provide public water.
The City of Crescent City and several Community Services Districts provide public water in the county.
The service provider depends on the specific project location.
Additional permitting, plan-check, inspection, bonding, and water-line/service construction costs may apply.
“The County of Del Norte does not provide public water. The City of Crescent City, 707-464-9506, and several Community Services Districts (CSD) provide public water in Del Norte County. The Engineering and Surveying Division, 707-464-7229, is usually able to determine a water service provider given a specific project location.”
One more reviewed finding on this topic
Sewer (with conditions) — Sanitary sewer collection in the unincorporated Crescent City area served by Del Norte County Service Area No. 1.
“The Del Norte County Service Area No. 1 (CSA-1) provides sanitary sewer collection service to the unincorporated Crescent City area.”
Subdividing landRegulated (with conditions)
Subdivision activity administered by the Del Norte County Planning Division under county zoning, the General Plan, Local Coastal Program, and applicable state laws.
The official page does not state the specific application, map, fee, design, or approval requirements.
Applicable state laws and the Del Norte County General Plan and Local Coastal Program also apply.
“The Planning Division of the Community Development Department administers and enforces zoning and subdivision regulations in accordance with the Del Norte County General Plan, Local Coastal Program and applicable state laws.”
Driveway accessRequired
Development permit applications, including building, grading, subdivision, and use permit applications, for parcels where development is proposed.
The application must document legal access from the nearest public road to the parcel.
Documentation must come from records filed or recorded in the Del Norte County Clerk-Recorder’s Office and must establish access under Title 12 of the Del Norte County Code.
If access documentation is not mapped on a record of survey, parcel map, or final map, the Engineering and Surveying Division requires it to be drawn to scale, labeled, and dimensioned.
Applicants must provide documentation of easements on or around the property on the scaled plot plan or tentative map.
An Assessor’s Parcel Map does not document legal access.
“A development permit application (e.g., building permit, grading permit, subdivision, use permit) must include documentation that legal access exists from the nearest public road to the parcel(s) where development is proposed.”
Short-term rentalsLimited
Vacation rentals and Airbnb room rentals in the unincorporated areas of Del Norte County.
The location may require a use permit; the county page directs operators to contact Planning and Building to determine whether one is required.
Operators must contact the Tax Collector to register for a Transient Occupancy Tax certificate.
The county collects transient occupancy taxes for unincorporated areas.
The TOT applies to lodging occupied for 30 days or less.
The TOT rate is 10% effective January 1, 2019; RV parks collect an additional 2% for guest stays of 30 days or less.
A business license is not required at this time for a vacation rental or Airbnb room rental in the unincorporated areas.
occupancy period: <= 30 days or less · transient occupancy tax rate: 10 percent (Effective January 1, 2019) · RV park additional tax rate: 2 percent (For guest stays of 30 days or less)
“Contact the County Planning and Building Department at (707) 464-7254 to determine whether your location will require a use permit.”
Permit feesPublished (with conditions)
County Community Development Department permits and related services.
The County publishes an entire-county fee schedule under Ordinance 2024-001.
Fees may differ by Community Development division and permit or service type.
“County Fee Schedule for Entire County – Ordinance 2024-001”
Permit processPublished (with conditions)
County building-permit processing for construction activities regulated by the California Building Code, Title 24, and other applicable codes in Del Norte County.
The Building Inspection Division processes permits for construction activities regulated by the 2019 California Building Code and Title 24 as adopted by California and modified by Del Norte County.
Other applicable codes include the Health and Safety Code, Business and Professions Code, California Administrative Code, and other public-health and safety codes relevant to structures.
Plan checking for code compliance occurs prior to authorization to begin work.
“The Division also provides plan checking for compliance with applicable codes prior to authorization to begin work.”
California rules that apply here
Building permitRequired
Construction projects within the California Department of Health Care Access and Information Office of Statewide Hospital Planning and Development jurisdiction, including health-facility projects requiring HCAI review.
Written plan approval must be issued before the building-permit application proceeds.
The application must provide contractor information, Inspector of Record information, and a Testing Inspection and Observation program.
The TIO program must be field-approved before approval and subsequent issuance of the building permit.
This claim does not establish the permit rule for projects outside HCAI jurisdiction.
“Once a project receives written plan approval, a Building Permit application is submitted through the e-Services Portal.”
One more reviewed finding on this topic
Required — California owner-builders who sign a building permit application for construction projects.
“When you sign a building permit application as an owner-builder, you assume full responsibility for all phases of your project and its integrity. You must pull all building permits. Your project must pass codes and building inspections.”
Exemption from California contractor-licensing chapter for an owner-builder who builds or improves a structure on the owner’s property; this does not itself establish exemption from local building permits, inspections, or other code requirements.
For work personally performed by the owner or performed by the owner’s employees, none of the improvements may be intended or offered for sale, and employee compensation must be wages as their sole compensation.
For work directly contracted to licensed trade contractors, the owner must directly contract with licensees duly licensed for the respective trades.
For single-family residential structures under the licensed-contractor arrangement, no more than four structures may be intended or offered for sale in a calendar year; this limitation does not apply if the owner contracts with a general contractor for construction.
For a homeowner improving a principal residence or its appurtenances, the work must be performed before sale, the homeowner must have actually resided in the residence for the 12 months before completion, and the homeowner must not have used this exemption on more than two structures more than once during any three-year period.
A nonprofit corporation may qualify when assisting an owner-builder participating in a mutual self-help housing program.
Sale or offering for sale within one year after completion creates a rebuttable presumption that the structure was undertaken for sale; sale or offering for sale of five or more structures within one year creates a conclusive presumption.
This is a contractor-licensing exemption and should not be treated as a building-permit exemption.
single-family structures intended or offered for sale: <= 4 structures per calendar year (Does not apply if the owner contracts with a general contractor for construction.) · prior residence occupancy: >= 12 months before completion (Applies to the principal-residence homeowner exemption.) · owner-builder exemption use: <= 2 structures during any three-year period (The statute states the homeowner has not availed himself or herself of the exemption on more than two structures more than once during any three-year period.) · sale presumption period: 1 year after completion (Sale or offering for sale creates a rebuttable presumption; five or more structures creates a conclusive presumption.) · conclusive-presumption threshold: >= 5 structures within one year after completion (Structures sold or offered for sale by the owner-builder.)
“This chapter does not apply to any of the following: (1) An owner who builds or improves a structure on his or her property”
3 more reviewed findings on this topic
Available (with conditions) — California contractor-licensure exemptions for qualifying owner-builders statewide, including construction in Del Norte County.
“An owner who builds or improves a structure on his or her property, provided that both of the following conditions are met:”
Conditional — Owners who build or improve structures on their own property, and homeowners improving their principal residence or appurtenances, subject to Business and Professions Code section 7044.
“(a) This chapter does not apply to any of the following: (1) An owner who builds or improves a structure on his or her property”
Available (with conditions) — California contractor-licensing requirements for an owner who builds or improves a structure on the owner’s property; this is not stated as an exemption from building permits, inspections, or other code requirements.
“This chapter does not apply to any of the following: (1) An owner who builds or improves a structure on his or her property”
Certificate of occupancyRequired
Completed construction projects within HCAI jurisdiction involving California health facilities.
The HCAI Compliance Officer issues the project-completion Substantial Compliance or Certificate of Occupancy once required conditions are met.
The stated examples include delivery of all test reports to the Inspector of Record, clearance of outstanding items, and completion of the Testing, Inspection and Observation Program.
Once construction is completed, the certificate of occupancy allows the owner to apply to the Department of Health Services for a license to operate the health facility.
“Issues the certificate of occupancy and/or construction final.”
Living in an RVTemporary only (with conditions)
Occupancy of recreational vehicles as residential dwellings in Del Norte County, subject to any applicable local ordinance.
RVs are not intended for occupancy as a permanent dwelling.
Unless otherwise allowed by a local ordinance, RVs generally may be occupied only in mobilehome parks or special occupancy parks governed by the Mobilehome Parks Act or Special Occupancy Parks Act.
The RV must satisfy the stated size, chassis, and applicable construction-standard requirements.
internal living room area: < 320 square feet (excluding built-in equipment and bath or toilet rooms) · gross area: <= 400 square feet (measured at maximum horizontal projections)
“Unless otherwise allowed by a local ordinance, RVs generally may be occupied only in mobilehome parks or special occupancy parks”
2 more reviewed findings on this topic
Limited — Recreational-vehicle occupancy in California, including Del Norte County, subject to local ordinances and applicable mobilehome or special-occupancy park requirements.
“not intended for occupancy as a permanent dwelling.”
Temporary only (with conditions) — Occupancy of recreational vehicles as residential units in California.
“RVs are not intended for occupancy as a permanent dwelling. [...] Unless otherwise allowed by a local ordinance, RVs generally may be occupied only in mobilehome parks or special occupancy parks”
Tiny homesAllowed (with conditions)
Occupancy of a structure marketed or described as a tiny home in California.
The tiny home must comply with applicable standards and be approved as a HUD-Code manufactured home, California Residential or Building Code home, factory-built housing, recreational vehicle, park trailer, or camping cabin.
The location must be approved for the applicable classification.
A tiny home that does not fit one of those classifications and does not comply with the California Building Standards Code is a noncomplying structure whose occupancy is illegal.
Approving and enforcing agencies vary depending on whether the unit is inside or outside a mobilehome or special occupancy park.
park trailer or RV gross area limit: <= 400 square feet (Applicable classification-specific exclusions and standards apply.)
“In order to be occupied, a tiny home must comply with the standards of, and be approved as one of the following types of structures: a HUD-Code manufactured home (MH), California Residential Code or California Building Code home, factory-built housing (FBH), recreational vehicle (RV), park trailer (PT) or camping cabin (CC).”
One more reviewed finding on this topic
Limited — Tiny homes built on chassis with wheels or otherwise qualifying as RVs, park trailers, camping cabins, or manufactured homes in California, including Del Norte County.
“not as a year-round or permanent dwelling.”
Manufactured homesAllowed (with conditions)
Occupancy of manufactured homes inside or outside mobilehome parks in California.
The manufactured home must satisfy applicable federal standards and California Manufactured Housing Act and Title 25 requirements.
Installation and approval for occupancy are governed by the Mobilehome Parks Act.
HCD or a local enforcement agency with assumed Mobilehome Parks Act authority is responsible for ensuring compliance with statutory construction and maintenance requirements.
Local agency approvals may be necessary for the project.
minimum width for a new manufactured home: >= 8 body feet (The statutory definition also includes units at least 40 body feet in length.) · minimum erected floor area for a new manufactured home: >= 320 square feet
“MHs may be occupied outside or inside of mobilehome parks and installation and approval for occupancy is governed by the Mobilehome Parks Act (MPA), HSC Sections 18200, et seq., and Title 25, CCR Sections 1000, et seq.”
One more reviewed finding on this topic
Allowed (with conditions) — Manufactured-home occupancy in California, including Del Norte County, inside or outside mobilehome parks, subject to installation and occupancy approval requirements.
“occupied outside or inside of mobilehome parks”
Septic inspectionLimited
OWTS in a Tier 3 Advanced Protection Management Program with supplemental treatment components, including systems in specified impaired-water-body areas statewide.
The requirement applies to OWTS in an Advanced Protection Management Program with supplemental treatment components.
Ongoing monitoring must follow the OWTS operation and maintenance manual or occur more frequently if required by the local agency or Regional Water Board.
Where telemetry is not possible, the owner or owner's agent must inspect at least monthly while the system is in use and notify the service provider at least quarterly of observed operating parameters.
For systems designed to meet disinfection requirements, a service provider must inspect proper operation quarterly while the system is in use unless continuous telemetric monitoring is capable of assessing operation.
Quarterly effluent sampling and certified-laboratory requirements apply to systems subject to the disinfection provisions.
inspection frequency where telemetry is not possible: per monthly (While the system is in use.) · inspection frequency for disinfection systems: per quarterly (While the system is in use, unless continuous telemetric monitoring is capable of assessing operation.)
“Where telemetry is not possible, the owner or owner’s agent shall inspect the system at least monthly while the system is in use as directed and instructed by a service provider and notify the service provider not less than quarterly of the observed operating parameters of the OWTS. [...] OWTS in an Advanced Protection Management Program designed to meet the disinfection requirements in Section 10.10 shall be inspected for proper operation quarterly while the system is in use by a service provider unless a telemetric monitoring system is capable of continuously assessing the operation of the disinfection system.”
Campground & park staysAllowed (with conditions)
Qualifying manufactured homes installed in or outside mobilehome parks in Del Norte County.
The manufactured home must meet the applicable federal and California Manufactured Housing Act standards.
Installation and approval for occupancy are governed by the Mobilehome Parks Act.
HCD or a local enforcement agency with assumed enforcement authority must ensure compliance with statutory construction and maintenance requirements.
Local zoning, installation, building, septic, and other development requirements may still apply.
minimum width when erected or in travel mode: >= 8 body feet (or at least 40 body feet in length) · minimum length when erected or in travel mode: >= 40 body feet (alternative to the 8-foot width criterion) · minimum area when erected on-site: >= 320 square feet
“MHs may be occupied outside or inside of mobilehome parks and installation and approval for occupancy is governed by the Mobilehome Parks Act (MPA),”
2 more reviewed findings on this topic
Limited — Occupancy and use of recreational vehicles in California special occupancy parks and designated RV sections of mobilehome parks.
“Unless otherwise allowed by a local ordinance, RVs generally may be occupied only in mobilehome parks or special occupancy parks governed by the Mobilehome Parks Act”
Limited — Occupancy and use of manufactured homes and mobilehomes in California mobilehome parks and other locations subject to HCD jurisdiction.
“MHs may be occupied outside or inside of mobilehome parks and installation and approval for occupancy is governed by the Mobilehome Parks Act (MPA), HSC Sections 18200, et seq., and Title 25, CCR Sections 1000, et seq.”
county zoning authorityGeneral
California county legislative bodies' authority to adopt zoning ordinances regulating buildings, structures, land uses, lots, yards, open space, lot coverage, intensity of use, parking, loading, and setbacks within county jurisdiction, including unincorporated areas.
The authority is exercised pursuant to Government Code Chapter 4, Zoning Regulations.
The statute separately authorizes city legislative bodies; incorporated municipalities may exercise their own zoning authority.
Government Code Section 65850 also lists authority to regulate signs and billboards, building and structure location, height, bulk, number of stories, and size, lot and open-space size and use, lot coverage, intensity of land use, offstreet parking and loading, and building setback lines.
The cited section states it was amended by Stats. 2017, Ch. 376, Sec. 1, effective January 1, 2018.
“The legislative body of any county or city may, pursuant to this chapter, adopt ordinances that do any of the following:”
county building authorityGeneral
California counties administering and enforcing state building standards through county building departments, including residential construction in unincorporated areas.
Each county must maintain building standards and state building regulations in the office of the building official responsible for administration and enforcement of state building standards.
The statewide Title 24 standards apply subject to statutory exceptions and any authorized local amendments or local requirements.
The cited HCD bulletin concerns the 2019 California Building Standards Code and its July 1, 2021 supplement; later code editions may supersede those particular edition dates.
“These codes shall be maintained in the office of the building official responsible for the administration and enforcement of state building standards”
Inside cities and towns in Del Norte County
Municipal rules found while researching the county. They apply inside that city or town, not to unincorporated land.
Building permitRequired
Construction requiring a building permit on properties within the City of Crescent City.
The California Building Standards determine when a permit is required, and local cities and counties may make local amendments.
No construction may begin until the permit is issued.
Detached accessory structures not exceeding 120 square feet and containing no plumbing, electrical, or mechanical equipment do not require a building permit.
Driveways and concrete patios have the exceptions stated in the City FAQ; fences require a permit.
This claim applies only within Crescent City city limits; county authority applies outside the city where applicable.
“The building codes, as empowered by the State of California Health and Safety Codes, are clear that no construction is allowed until the permit is issued.”
Still unanswered
We looked and could not find an official answer yet. Silence is not permission — ask the county directly.
Off-grid sanitation — Off-grid sanitation systems, including sanitation systems not connected to public sewer, in Del Norte County.
Agricultural exemption — Agricultural exemption from county building, zoning, subdivision, or related development requirements in Del Norte County.
Building in a floodplain — Development in floodplain areas of Del Norte County.
Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.
Living off-grid in Del Norte County, California
Is Del Norte County a good place to live off-grid or homestead?
Del Norte County scores 53/100 on the Bolthole Index, a solid county profile. Its strengths: sparse surroundings — about 22,047 people within a 30-minute drive. Watch-outs: elevated current hazard exposure and more administrative friction around building and land use.
Do you need a building permit in Del Norte County, California?
Del Norte County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Del Norte County Environmental Health Division. Owner-builders may act as their own contractor to build their home. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.
Can you live in an RV or tiny home on your land in Del Norte County?
Living in an RV on your own land in Del Norte County is allowed on a temporary basis only: Statewide rule. Occupancy of recreational vehicles as residential dwellings in Del Norte County, subject to any applicable local ordinance. RVs are not intended for occupancy as a permanent dwelling. Unless otherwise allowed by a local ordinance, RVs generally may be occupied only in mobilehome parks or special occupancy parks governed by the Mobilehome Parks Act or Special Occupancy Parks Act. A tiny home is allowed. Confirm with the county before relying on it.
How much does land cost in Del Norte County, California?
Land in Del Norte County runs about $10,206 per acre, based on the latest county data.
What is the water situation in Del Norte County?
Del Norte County gets about 76.4" of rain a year, with severe drought in roughly 18.4% of years.
How remote is Del Norte County?
A representative private-land location has about 22,047 people within a 30-minute drive and 257,425 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.
