Bolthole Index

Bronx County, New York

Building permits, zoning and land rules in Bronx County, New York

20Index Score / 100
#60 of 62 in New York

Most construction in Bronx County, New York requires a building permit from the New York City Department of Buildings before work begins1. NYC zoning covers every Bronx lot, with use, building size, height and parking rules determined by the mapped district234. DEP handles approvals for sewer and septic-system connections56.

At a glance

Building permit
Required for most construction1
Permit office
NYC Department of Buildings, including its Bronx Borough Office78
Zoning
Citywide zoning applies; rules vary by district23
Wastewater connection
DEP approval is required for covered sewer or septic connections59
Inspections
DOB inspects new structures and major alterations10
Occupancy approval
Required for new buildings and specified changes11
Accessory dwelling
Potentially allowed in qualifying one- or two-family homes12

Who to call

Building permits

New York City Department of Buildings — Bronx Borough Office

Building permits, inspections and Certificates of Occupancy for property in Bronx County

(718) 960-4710

1775 Grand Concourse, 5th Floor, Bronx, NY 10453

Zoning

New York City Department of City Planning

The citywide NYC Zoning Resolution that sets zoning districts for every lot in Bronx County

Online permits →

Septic permits

New York City Department of Environmental Protection

Public sewer and wastewater treatment for Bronx County properties; there is no county septic authority

Also useful

Office of the Bronx Borough President

Community land-use review (ULURP referrals) on larger Bronx projects; does not issue building, zoning or septic permits

(718) 590-3500

webmail@bronxbp.nyc.gov

851 Grand Concourse, 3rd Floor, Bronx, New York 10451

Contact details are copied from each office’s official page and were checked against it on October 7, 2026.

Off-grid gear

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Do you need a building permit in Bronx County, New York?

Yes, for most construction. Bronx County projects generally need a New York City Department of Buildings permit before work begins, although listed minor alterations and ordinary repairs are exceptions1. DOB inspectors enforce the NYC Building Code and the NYC Zoning Resolution, with the exact code requirements depending on the project13. Most often, a New York State licensed professional engineer or registered architect files the plans and pulls the building permit7. We could not confirm a categorical owner-builder exemption, so an owner who wants to perform the work personally should ask DOB what licensed design and trade professionals the particular job requires.

Who issues Bronx County building permits, and how do you reach them?

The New York City Department of Buildings issues building permits and handles inspections and occupancy documents for Bronx properties. DOB publishes a process that runs from identifying the necessary permits through plan filing and approval, permit issuance, approved work, final inspections and a Certificate of Occupancy or Letter of Completion7. Some applications may go to a borough office, while specified filings must use DOB NOW: Build14. The Bronx Borough Office is at 1775 Grand Concourse, 5th Floor, Bronx, NY 10453, and its customer-service number is (718) 960-47108. For Certificate of Occupancy questions, call (718) 960-47408. DOB building-permit fees vary by project type, building size and application category; ask DOB for the current calculation because the reviewed fee update is not a comprehensive current schedule15.

Does Bronx County have zoning?

Yes. The New York City Zoning Resolution applies across Bronx County, but the controlling rules come from the parcel's mapped NYC district rather than one uniform set of Bronx dimensions23. Published zoning maps and district regulations let a buyer identify the applicable use, bulk, parking and special-purpose-district controls16. Building height is also district- and site-specific, so a height allowed on one Bronx lot may not apply to another4. We could not confirm countywide numbers for minimum lot size, setbacks, lot coverage or minimum dwelling size. Check the zoning map and text with the Department of City Planning before relying on a listing's development description or paying for plans.

How do sewer and septic approvals work in Bronx County?

The New York City Department of Environmental Protection must approve whether a city sewer can accept a project's sanitary or storm discharge, and certification may also be required when renovation or alteration increases flow5. A new connection to a septic system or another approved outlet requires sewer certification, followed by a DEP connection permit authorizing the connection work96. The reviewed rule covers connection approval; it does not establish that every onsite septic construction activity follows one universal standalone septic-permit path. We also could not confirm a complete Bronx rule for septic inspections or off-grid sanitation. Ask DEP about both the outlet and the proposed system before treating an unusual parcel as buildable.

Can you live in an RV or tiny home in Bronx County?

We could not confirm a Bronx County rule that categorically allows or prohibits living in an RV, temporary private-land camping, or occupancy of a tiny or manufactured home. Any proposed structure still faces DOB building-permit review and the parcel's NYC zoning controls13. A small footprint does not create a zoning exception, and allowable building height depends on the district and site4. For a conventional ancillary dwelling, qualifying one- or two-family buildings may add an ADU subject to location, entrance, flood-risk and district conditions12. Before buying for RV or tiny-home use, give DOB and City Planning the parcel address, structure type and intended occupancy and ask for a written path to lawful occupancy.

Building or renovating in Bronx County: the steps, in order

  1. Identify the parcel's mapped zoning district and check its use, bulk, parking, height and special-purpose controls164.
  2. Determine the necessary building permits and filing route; specified filings must use DOB NOW: Build147.
  3. File the construction drawings and application, then obtain DOB plan approval and pull the building permit before work begins7.
  4. Confirm and pay the project-specific fee because DOB building-permit charges vary by project type, size and application category15.
  5. Obtain DEP approval and certification for a covered sewer or septic-system connection, followed by the connection permit59.
  6. Complete the approved work and required inspections, including final sign-off10.
  7. Obtain the required Certificate of Occupancy, amended certificate or Letter of Completion before occupancy or project closeout117.

What should you check before buying land in Bronx County?

Start with the zoning map and the existing occupancy record. Bronx district controls vary by parcel, including allowable uses, bulk, parking and building height, while a change in use, egress or occupancy can require a current or amended Certificate of Occupancy16411. Confirm the wastewater outlet and whether DEP certification is needed for the proposed discharge59. Check flood constraints before planning a below-grade dwelling because subgrade ADUs are restricted in specified flood-risk areas12. Budget for variable building-permit fees and carrying costs15. The typical Bronx County home value is $500,312, and the median annual property-tax bill is $5,3101718.

Watch-outs

  • A building that lacks a required Certificate of Occupancy or Temporary Certificate of Occupancy cannot legally be occupied; older buildings may have different documentation rules, so verify the record before closing11.
  • DOB inspections distinguish development work, such as new structures and major alterations, from enforcement inspections, and failed inspections can require corrections and reinspection10.
  • Bronx zoning is not one uniform set of dimensional rules: use, bulk, parking, height and special-purpose controls depend on the parcel and mapped district34.

Sources

  1. Obtaining a Permit, quoted and re-checked
  2. Chapter 3 - Zoning Resolution, quoted and re-checked
  3. Chapter 3 - Zoning Resolution, quoted and re-checked
  4. Chapter 3 - Zoning Resolution, quoted and re-checked
  5. Sewer Connections - DEP, quoted and re-checked
  6. Sewer Connections - DEP, quoted and re-checked
  7. Obtaining a Permit, quoted and re-checked
  8. New York City Department of Buildings — Bronx Borough Office (nyc.gov)
  9. Sewer Connections - DEP, quoted and re-checked
  10. Inspections, quoted and re-checked
  11. Certificate of Occupancy, quoted and re-checked
  12. Ancillary Dwelling Units, quoted and re-checked
  13. What to Expect During an Inspection - Buildings, quoted and re-checked
  14. Filing Permit Applications, quoted and re-checked
  15. Local Law 56 of 2016: Permit Fees for New Buildings and Alterations Updated, quoted and re-checked
  16. Zoning Resolution, quoted and re-checked
  17. Typical home value (Zillow): Bolthole Index county data
  18. Median property tax bill: Bolthole Index county data

Written October 7, 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.

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Compared with neighboring counties

Like all 6 of its neighbors, Bronx County requires a building permit for a home.

RuleBronx CountyNew York CountyQueens CountyKings CountyNassau CountyWestchester CountyRichmond County
Building permitRequiredRequiredRequiredRequiredRequiredRequiredRequired
County zoningYesYesYesYesYesYesYes
Septic permitsNYC Dept. of Env. ProtectionNYC Dept. of Env. ProtectionNot publishedNYC Dept. of Env. ProtectionCounty Dept. of HealthCounty Dept. of HealthNYS Dept. of Health

County locator

Bronx County in New York

20
County map
Bronx County highlighted among the New York counties · colored by Index score

How Bronx County scores

Seclusion5100% ev.
Self-Sufficiency5395% ev.
Admin Boringness39100% ev.
Durability88100% ev.
Property Autonomy33100% ev.
Carry Cost18100% ev.

Evidence strength: 99%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$500kTypical home
1%Property tax
$113,746Land / acre
47"Annual rain
2.3% of yrsSevere drought
3 / yr (+2.7)Mid-century 100°F days
13.3 daysMid-century dry spell
2.84" (+8.2%)Mid-century 1-day rain
1.37×Wildfire change factor
100%Forward climate coverage
$2,594Home insurance / yr
2.4% / yrInsurance growth
0.65%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
8,357,706People within 30 min
27,889,524People within 2 hr
7,290,658Radius comparison (15 mi)
32,165.4People / sq mi
0%Federal land
96.6%Land at 15% slope or less
8.7%Soils rated "not limited" for septic (strict USDA rating)
1,780 acWorkable land screen
24.9%Wooded land
76.6 tonsBiomass / forest ac
54.8°FAvg temp

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Answers from the rulebook for Bronx County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Bronx County rules

  • Building permitRequired

    Most construction, new buildings, and major or regulated alterations in Bronx County.

    • Some minor alterations and ordinary repairs are exempt from a work permit.
    • Examples listed by DOB include painting, plastering, new cabinets, plumbing fixture replacement, floor resurfacing, and non-structural roof repair.
    • Emergency work may proceed before permit issuance only under the stated emergency-notification procedure.
    “The majority of construction requires a Department of Buildings permit. Most often, a New York State licensed Professional Engineer (PE) or Registered Architect (RA) must file plans and pull permits before work begins.”
  • InspectionsRequired

    Development and enforcement inspections for construction and alteration work in Bronx County.

    • Inspection requirements depend on the project scope and may include special or progress inspections.
    • DOB states that final inspection and sign-off are required to close a project permit.
    “Work Completion: Ensure inspections and sign-offs are performed to close the project permit.”
  • Certificate of occupancyRequired

    New buildings and existing buildings in Bronx County where use, egress, or occupancy changes require a current or amended certificate.

    • New buildings must have a CO.
    • Existing buildings need a current or amended CO when there is a change in use, egress, or type of occupancy.
    • Buildings built before 1938 are generally exempt unless later alterations changed use, egress, or occupancy.
    • A Letter of Completion may apply to minor alterations that do not require a new or amended CO.
    • A CO requires final construction, plumbing, elevator, and electrical sign-offs, a final building survey, final Builders Pavement Plan, no open applications or violations, an Owner's Cost Affidavit, and an approved Schedule of Occupancy.
    “New buildings must have a CO, and existing buildings must have a current or amended CO when there is a change in use, egress or type of occupancy. No one may legally occupy a building until the Department has issued a CO or Temporary Certificate of Occupancy (TCO).”
  • County-wide zoningPresent (with conditions)

    The New York City Zoning Resolution applies to zoning lots in Bronx County; the cited provisions are district-specific rather than a single county ordinance.

    • Requirements vary by NYC zoning district, zoning lot, street frontage, building type, and applicable special district.
    • The City Planning Commission may modify certain requirements by special permit.
    “The Zoning Resolution consists of 14 Articles and 11 Appendices, plus 126 Zoning Maps, that establish the zoning districts for the City and the regulations governing land use and development.”
    One more reviewed finding on this topic
    • Present (with conditions) — Land-use and development within Bronx County under the City of New York Zoning Resolution.
      “The Zoning Resolution consists of 14 Articles and 11 Appendices, plus 126 Zoning Maps, that establish the zoning districts for the City and the regulations governing land use and development.”
  • Local zoningVaries (with conditions)

    Aggregate local-zoning conclusion for Bronx County, which is coterminous with the Bronx borough of New York City.

    • This aggregate reflects New York City zoning districts and regulations applicable in the Bronx; Bronx County itself is not treated as the administrator of each local zoning rule.
    • Applicable use, bulk, parking, special-purpose-district, and mapped-district controls vary by zoning district.
    “Articles I through VII contain the use, bulk, parking and other applicable regulations for each zoning district. The three major articles are Article II, with regulations for residence districts, Article III for commercial districts, and Article IV for manufacturing districts.”
  • Zoning districtsPublished (with conditions)

    Published NYC zoning districts and maps applicable to Bronx County.

    • The applicable district and controls remain parcel-specific and must be determined from the relevant zoning map and text.
    • Special-purpose districts may impose additional regulations.
    “The Zoning Resolution consists of 14 Articles and 11 Appendices, plus 126 Zoning Maps, that establish the zoning districts for the City and the regulations governing land use and development.”
  • Mandatory utility hookupConditional

    New sanitary or storm connections to a city sewer, private sewer, private drain, septic system, or approved outlet in Bronx County.

    • DEP must approve that the sewer can accept storm and/or sanitary discharge.
    • A sewer certification is required for any new connection to a city sewer, private sewer, private drain, septic system, or approved outlet.
    • The subsequent sewer connection permit authorizes connection work.
    • Certifications must be submitted by a New York State licensed Professional Engineer or Registered Architect on behalf of an owner/developer.
    “A sewer certification is required for any new connection to a city sewer, a private sewer, a private drain, a septic system, or an approved outlet.”
  • Permit processPublished (with conditions)

    DOB construction-permit process in Bronx County.

    • Determine necessary permits, file applications and construction drawings, obtain plan approval, file and pull permits, perform approved work, pass final inspections, and receive a new or amended CO or Letter of Completion.
    • Most often, a New York State licensed PE or RA must file plans and pull permits before work begins.
    • Minor-work and emergency exceptions apply as described by DOB.
    “Determine the necessary permits, and then file applications and construction drawings [...] Obtain Department plan approval [...] File and pull permits [...] Perform approved work [...] Pass the final inspections [...] Receive a new or amended Certificate of Occupancy or Letter of Completion”

New York rules that apply here

  • Owner-builder exemptionConditional

    Owner-performed home-improvement work at an owner’s primary residence in New York, as to a New York State home-improvement-contractor license.

    • New York State does not license home-improvement contractors.
    • A county or local municipality may license home-improvement contractors or particular home-improvement trades.
    • The Department of State identifies New York City; Suffolk, Nassau, Westchester, Putnam, and Rockland Counties; and the City of Buffalo as examples of local jurisdictions requiring a home-improvement-contractor license.
    • This finding concerns home-improvement-contractor licensing only; it does not establish an exemption from locally administered building permits, inspections, or licenses for particular trades.
    “Check your local government licensing requirements: New York State does not license home improvement contractors. However, some counties and local municipalities do, including New York City, Suffolk, Nassau, Westchester, Putnam, and Rockland counties, and the City of Buffalo.”
  • Building code adoptedAdopted

    The New York State Uniform Fire Prevention and Building Code for construction statewide outside New York City, including residential construction in towns and other local governments.

    • The Uniform Code took effect January 1, 1984.
    • New York City was permitted to retain its own code.
    • Cities, towns, and villages outside New York City do not need to adopt the Uniform Code affirmatively; it is automatically in effect.
    • A local government cannot exclude itself from all or any part of the Uniform Code.
    • Building permits must be required for work that must conform to the Uniform Code, subject to permitted exceptions.

    effective date: 1984-01-01

    “The Uniform Code is applicable in every part of the State (except the City of New York, which was permitted to retain its own code).”
  • Who permits septicMixed (with conditions)

    Residential and other septic or cesspool systems statewide in New York.

    • New York State DEC administers SPDES permitting for regulated wastewater discharges.
    • For systems with less than 1,000 gallons per day of sewage-wastewater discharge to groundwater and no industrial or other non-sewage wastes, approval may still be required from the appropriate city health department, county health department, or district office of the New York State Department of Health before construction.
    • The actual local or district health authority depends on the property location.

    groundwater discharge design flow threshold: < 1000 gallons per day (No industrial or other non-sewage wastes)

    “city health department, county health department”
    One more reviewed finding on this topic
  • Septic permitLimited

    Facilities discharging sewage-wastewater to groundwater through septic systems or similar systems statewide.

    • A SPDES permit is not required when total groundwater discharge design flow is less than 1,000 gallons per day and the wastewater contains no industrial or other non-sewage wastes.
    • The exemption does not eliminate possible approval requirements from the appropriate city health department, county health department, or district office of the New York State Department of Health before construction.
    • Other DEC permits or approvals from other agencies may also be required.

    groundwater discharge design flow: < 1000 gallons per day (Sewage-wastewater containing no industrial or other non-sewage wastes)

    “No SPDES permit is required [...] less than 1,000 gallons per day [...] no industrial or other non-sewage wastes”
    One more reviewed finding on this topic
  • Septic inspectionLimited

    Post-construction certification for residential alternative onsite wastewater treatment systems under Appendix 75-A.

    • A design professional must supervise construction.
    • The design professional must certify after construction that supervision occurred and that construction conforms to approved plans.
    • The cited passage establishes certification, not a general periodic inspection schedule for routine operation.
    “a design professional shall provide [...] a certification”
  • Off-grid sanitationAllowed (with conditions)

    Use of an individual onsite wastewater treatment system where a municipal or communal wastewater system is unavailable.

    • The system must comply with statewide Appendix 75-A minimum standards.
    • Alternative systems require prior review and approval by the State or county health department official having jurisdiction.
    • Design must be prepared by or under the supervision of a design professional.
    “when a municipal or communal system is not available”
  • Agricultural exemptionConditional

    Farm operations located within a New York agricultural district, including associated land, on-farm buildings, equipment, manure processing and handling facilities, and qualifying agricultural practices.

    • The protection applies only to farm operations in an agricultural district.
    • Local governments must exercise their planning and land-use authority consistently with Article 25-AA of the Agriculture and Markets Law.
    • Local governments may not unreasonably restrict or regulate the covered farm operation unless public health or safety is threatened.
    • Only farm operations are protected; the Department evaluates whether the regulated activity encompasses a farm operation.
    • The reasonableness analysis considers whether the restriction is unreasonable on its face and as applied to the particular situation, and depends on the totality of the circumstances.
    • A farmer, municipality, or other eligible requester may seek a Department opinion concerning the effect of a proposed or existing local law or ordinance.
    • If the Department determines that a local law or ordinance is unreasonably restrictive, it may seek remediation and the Commissioner may issue an order to comply or bring an enforcement action.
    “Local governments, when exercising their powers to enact and administer comprehensive plans and local laws, ordinances, rules or regulations, shall exercise these powers in such manner as may realize the policy and goals set forth in this article, and shall not unreasonably restrict or regulate farm operations within agricultural districts in contravention of the purposes of this article unless it can be shown that the public health or safety is threatened.”
    2 more reviewed findings on this topic
    • Conditional — Farm operations within New York agricultural districts seeking protection from unreasonable local planning, zoning, land-use, or permitting restrictions.
      “shall not unreasonably restrict or regulate farm operations within agricultural districts in contravention of the purposes of this article unless it can be shown that the public health or safety is threatened.”
    • Available (with conditions) — Agricultural uses and agricultural-use structures within the Adirondack Park Agency jurisdiction, including relevant Freshwater Wetlands Act and Wild, Scenic and Recreational Rivers System Act permitting contexts.
      ““Agricultural uses” and “agricultural use structures” are generally exempted from permitting requirements under New York State’s Adirondack Park Agency Act”
  • Subdividing landLimited

    Subdivision review by a town planning board for land outside the limits of an incorporated village in New York.

    • The town board may authorize and empower the planning board only by resolution.
    • Town Law § 276 applies to the part of a town outside the limits of an incorporated village.
    • Subdivision means division of a parcel into lots, blocks, or sites as specified in a local ordinance, law, rule, or regulation, with or without streets or highways, for sale, transfer of ownership, or development.
    • Local regulations may define subdivisions as major or minor and must set the review procedures and criteria for each.
    • Preliminary and final plats must comply with applicable State Environmental Quality Review Act requirements.
    • A final plat receiving conditional approval does not qualify for recording and does not authorize building permits until the required conditions are completed, the plat is signed by an authorized planning-board officer, and the plat is recorded.
    • An approved final plat must generally be filed with the county clerk or register within sixty-two days after final approval or the approval expires.

    minimum unimproved-lot threshold for previously filed plat to be treated as undeveloped: >= 20 percent (unless existing conditions, such as poor drainage, have prevented development) · final plat filing deadline after final approval: 62 days (otherwise approval expires) · partial approved plat filing threshold: >= 10 percent of total lots (remaining sections are subject to the statutory expiration rule)

    “the town board may, by resolution, authorize and empower the planning board to approve preliminary and final plats of subdivisions showing lots, blocks or sites, with or without streets or highways, within that part of the town outside the limits of any incorporated village.”
    2 more reviewed findings on this topic
    • Regulated (with conditions) — Subdivision review in towns, for the portion of a town outside incorporated villages, where the town board authorizes the planning board to review plats.
      “For the purpose of providing for the future growth and development of the town and affording adequate facilities for the housing, transportation, distribution, comfort, convenience, safety, health and welfare of its population, the town board may, by resolution, authorize and empower the planning board to approve preliminary and final plats of subdivisions showing lots, blocks or sites, with or without streets or highways, within that part of the town outside the limits of any incorporated village.”
    • Regulated (with conditions) — Subdivision review in towns outside incorporated villages, where the town board has authorized the planning board to approve subdivision plats.
      “the town board may, by resolution, authorize and empower the planning board to approve preliminary and final plats of subdivisions”
  • Driveway accessRequired

    New or modified commercial access to a New York State highway, including changes of use or expansions of existing development on a State highway.

    • A highway work permit from NYSDOT is required.
    • The commercial driveway/access permit review generally consists of initial proposal review, design review, and final submission review.
    • Final submission may require insurance documentation, performance security, permit fees, and additional documentation.
    • A simple commercial driveway project may qualify for a single-stage expedited review if it meets the applicable criteria.
    • The page states that the PERM 33-COM application and checklist is used for commercial highway work permit submissions, including minor or major commercial driveways, minor home business driveways, or subdivision streets.
    “If your commercial property development plans involve new or modified access to a state highway, or involve any change of use or expansion of an existing development on a state highway, you will need a highway work permit from the New York State Department of Transportation (NYSDOT).”
    2 more reviewed findings on this topic
    • Required — A residence located on a New York state highway when building or modifying a driveway
      “If your residence is on a State highway, you will need a permit from the NYS Department of Transportation to build or modify a driveway.”
    • Required — Building or modifying a residential driveway where the residence is on a New York State highway.
      “If your residence is on a State highway, you will need a permit from the NYS Department of Transportation to build or modify a driveway.”
  • Building in a floodplainRequired

    Development in FEMA-mapped Special Flood Hazard Areas in New York State, with local administration by the municipality having jurisdiction.

    • Local communities participating in the National Flood Insurance Program regulate development in Special Flood Hazard Areas.
    • Private development is subject to local floodplain development permits.
    • Development funded and undertaken by the State or Federal government is an exception to the local-permit rule and is regulated by the responsible agency, subject to technical assistance by NYSDEC and FEMA.
    • Each participating community has a designated floodplain administrator, usually the building inspector or code enforcement official.
    • The local laws apply to development undertaken by any county, city, town, village, school district, or public improvement district within the community.
    • The source states that any new structure or structure substantially improved or substantially damaged is subject to floodplain development regulations, with substantial improvement or damage exceeding 50% of the structure’s market value.

    substantial improvement or damage threshold: > 50 percent of structure market value

    “Private development is subject to local floodplain development permits.”
  • Permit feesVariable (with conditions)

    New York State Department of State building-permit administration and enforcement fees.

    • The schedule is identified as having a publication date of August 2022.
    • Fees vary by project type, building type, area, dwelling unit, sleeping room, inspection, and permit category.
    • For one- and two-family homes including accessory structures constructed contemporaneously, the schedule lists $200 for the first 1,500 square feet and $100 for each additional 1,000 square feet or fraction thereof.
    • Permit renewals have no fee.
    • Building-permit fees include construction inspections required as a result of the permit; additional inspection fees may apply.
    • Local authorities may have separate fees or requirements.

    publication date: August 2022 · one- and two-family homes fee for first 1,500 square feet: 200 USD (including accessory structures constructed contemporaneously) · one- and two-family homes fee for each additional 1,000 square feet or fraction: per 100 USD (after the first 1,500 square feet) · permit renewal fee: 0 USD

    “$ 200 First 1,500 square feet of area $ 100 Each additional 1,000 square feet of area or fraction thereof”
    One more reviewed finding on this topic
    • Published (with conditions) — NYSDOT highway work permits, including residential driveway permits and commercial driveway/access permits on state highways
      “A list of NYSDOT highway work permit fees can be found here: NYSDOT Permit Fee Matrix”
  • Campground & park staysLimited

    Temporary camping at New York State Department of Environmental Conservation campgrounds statewide.

    • All campers must register and obtain a camping permit.
    • Check-in is from 2:00 p.m. to 9:00 p.m.; campers must register and occupy the campsite by 9:00 p.m. on the first reservation night or the campsite may be re-rented and fees may be forfeited.
    • Campers must vacate by 11:00 a.m. on the final day.
    • Camping permits are limited to 14 nights but may be renewed depending on site availability.
    • From July 1 through Labor Day, only 14 cumulative nights of camping can be obtained at any campground.
    • Campsite occupancy is limited to 6 persons, two tents or one hard-wheeled equipment and one tent, and two vehicles; occupancy varies for Family campsites.
    • Violation of any campground rule is grounds for eviction; an evicted person is not entitled to a refund or to return for one week.

    maximum permit duration: <= 14 nights (May be renewed depending upon availability of sites.) · seasonal cumulative camping limit: <= 14 nights (From July 1 through Labor Day, at any campground.) · campsite occupancy: <= 6 persons (Occupancy varies for Family campsites.)

    “All campers must obtain a camping permit. Campers may check in from 2:00 p.m. to 9:00 p.m. but must register and occupy their campsite by 9:00 p.m. on the first night of their reservation or the campsite will be subject to re-rental and fees may be forfeited. Campers must vacate their campsite no later than 11:00 a.m. on the final day. Camping permits will not be issued for more than 14 nights but may be renewed depending upon availability of sites. From July 1 through Labor Day only 14 cumulative nights of camping can be obtained at any campground.”
  • county building authorityLimited

    County administration and enforcement of the Uniform Code and Energy Code within a local government, including unincorporated town areas, when the local government has opted out or when the Secretary of State designates the county.

    • Every local government ordinarily administers and enforces the Uniform Code and Energy Code.
    • A local government may opt out by local law enacted before July 1; the opt-out becomes effective January 1 of the following year.
    • After a local-government opt-out, the county administers and enforces the codes within that local government.
    • The county may itself enact a local law opting out; if both local government and county opt out, the Secretary of State administers and enforces the codes.
    • Counties may charge fees to defray administration and enforcement costs.
    • A responsible county must establish a code-enforcement program by local law, ordinance, or other appropriate regulation.

    local-government opt-out deadline: < July 1 · successor enforcement date: January 1 (the January 1 next succeeding the effective date of the local law)

    “The secretary may designate the county in which such local government is located to administer and enforce the uniform code in such local government.”
    One more reviewed finding on this topic
    • Limited — New York counties' administration and enforcement of the Uniform Fire Prevention and Building Code, and county adoption of higher or more restrictive construction standards affecting residential construction.
      “In such event the county in which said local government is situated shall administer and enforce such codes within such local government [...] unless the county shall have enacted a local law providing that it will not enforce such codes within that county.”
  • county zoning authorityNone

    New York counties' authority to adopt Euclidean zoning regulations for unincorporated land.

    • New York State law authorizes zoning power for cities, towns, and villages, not counties.
    • Counties retain other land-use-related powers under separate statutes and municipal home rule provisions, but those powers are not general county zoning authority.
    “No enabling legislation had been adopted that delegates zoning power to counties.”

Inside cities and towns in Bronx County

Municipal rules found while researching the county. They apply inside that city or town, not to unincorporated land.

  • Building code adoptedAdopted (with conditions)

    NYC Building Code requirements applicable to construction in Bronx County.

    • Specific requirements depend on project type and applicable NYC Construction Code provisions.
    “DOB inspectors enforce the NYC Building Code and NYC Zoning Resolution to ensure Code-compliance and the safety of all New Yorkers.”
  • Local zoningPresent (with conditions)

    Bronx County is within New York City and is governed by NYC zoning regulations administered at the city level.

    • District-specific rules apply; the cited provisions do not establish one uniform Bronx-wide dimensional standard.
    “The Zoning Resolution consists of 14 Articles and 11 Appendices, plus 126 Zoning Maps, that establish the zoning districts for the City and the regulations governing land use and development.”
  • Zoning districtsPublished (with conditions)

    Published NYC zoning district regulations applicable to Bronx County.

    • The cited material is a district-specific resolution; applicable controls depend on the zoning district and any special district overlay.
    “Articles I through VII contain the use, bulk, parking and other applicable regulations for each zoning district.”
  • Building heightDistrict specific (with conditions)

    Building heights in applicable NYC zoning districts in Bronx County.

    • Maximum height varies by zoning district and site eligibility.
    • The opened source lists eligible-site maximum heights from 95 feet in R6-2 through 495 feet in R12, with additional exceptions for qualifying developments.

    eligible-site maximum height range: 95-495 feet (varies by district and eligibility)

    “For eligible zoning lots, the maximum permitted building height may be modified by the heights in the table below.”
  • Accessory dwellingsAllowed (with conditions)

    Ancillary dwelling units in one- and two-family homes in Bronx County.

    • Only one ADU is permitted per one- or two-family residence.
    • The zoning lot must be the primary residence of an owner at initial occupancy.
    • Maximum zoning floor area is 800 square feet.
    • ADUs require a separate entrance.
    • Backyard ADUs are not permitted in historic districts or in R1-2A, R2A, and R3A districts outside the Greater Transit Zone.
    • Subgrade ADUs are not permitted in FEMA Special Flood Hazard Areas, Coastal Flood Risk Areas, or DEP's 10-Year Rainfall Flood Risk Area.
    • The subgrade pilot area includes Bronx community districts 9, 10, 11, and 12.
    • Pilot-program applications are not currently being accepted until DOB rules are promulgated and effective.

    maximum zoning floor area: <= 800 sq ft (ADU zoning floor area)

    “With some exceptions, one- or two- family buildings can add an ADU.”
  • Who permits septicLocal (with conditions)

    Septic-system connection approvals in Bronx County.

    • DEP sewer certification is required for a new connection to a septic system or approved outlet.
    • The page does not establish that septic inspections are administered solely by DEP.
    “The subsequent sewer connection permit provides the authorization from DEP to conduct the connection work.”
  • Septic permitRequired

    Any new connection to a septic system or approved outlet in Bronx County.

    • The source describes a sewer certification and subsequent sewer connection permit process; it does not establish that every onsite septic construction activity has the same permit path.
    • Certifications must be submitted by New York State licensed Professional Engineers or Registered Architects on behalf of an owner/developer.
    “A sewer certification is required for any new connection to a city sewer, a private sewer, a private drain, a septic system, or an approved outlet.”
  • Mandatory utility hookupSewer (with conditions)

    Connections to NYC sewer infrastructure in Bronx County.

    • DEP must approve that the sewer can accept storm and/or sanitary discharge.
    • A sewer certification may also be required for alterations or renovations increasing sanitary or storm flow.
    “Any time a project requires connecting to a city sewer, DEP must approve that the sewer can accept the storm and/or sanitary discharge.”
  • Permit feesPublished (with conditions)

    NYC Department of Buildings permit-fee schedules applicable in Bronx County.

    • The cited fee document implements Local Law 56 of 2016.
    • For one-to-three-family homes, the cited alteration rate is $2.60 for each $1,000 above $5,000; other job types have different rates and minimums.
    • Credit-card charges carry a 2.49% non-refundable convenience fee.

    alteration rate for new applications for 1,2,3-family homes: 2.6 USD per 1000 USD over 5000 USD (minimum fees unchanged) · credit card convenience fee: 2.49 percent (non-refundable)

    “The fee calculation rate for new applications for 1,2,3-family homes has reduced from $5.15 for each $1,000.00 in excess of $5,000.00 to $2.60 for each $1,000.00. The minimum fees have not changed.”
    One more reviewed finding on this topic
  • Permit processPublished (with conditions)

    NYC Department of Buildings permit filing process applicable in Bronx County.

    • Some applications may be submitted at a borough office.
    • Some job filings must be submitted online in DOB NOW: Build.
    • The general process includes submitting drawings, PW1 and asbestos forms; fee assessment and payment; data entry; plan examination; and permit issuance.
    “New York City laws require that one or more permits be obtained before starting construction work (refer to NYC Building Code §27-126 for work that requires a permit). Some application can be submitted at a borough office. However, there are some job filings that must be submitted online in DOB NOW: Build.”

Set by your town or city, not the county

In New York, zoning is adopted by each town or city, so Bronx County has no county-wide answer on these. Find your town or city in the list of places on this page, or call its clerk or zoning administrator.

  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Short-term rentals

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

  • Well permit — Private well construction or use in Bronx 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 Bronx County, New York

Is Bronx County a good place to live off-grid or homestead?

Bronx County scores 20/100 on the Bolthole Index, a weak county profile. Its strengths: a durable current and mid-century hazard profile. Watch-outs: little seclusion — roughly 8,357,706 people within a 30-minute drive and higher long-term carry cost.

Do you need a building permit in Bronx County, New York?

Bronx County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by NYC Department of Environmental Protection (public sewer). 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.

How much does land cost in Bronx County, New York?

Land in Bronx County runs about $113,746 per acre, based on the latest county data.

What is the water situation in Bronx County?

Bronx County gets about 47" of rain a year, with severe drought in roughly 2.3% of years.

How remote is Bronx County?

A representative private-land location has about 8,357,706 people within a 30-minute drive and 27,889,524 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.

How Bronx compares in New York

Compare side-by-side →See all 62 New York counties ranked →