In unincorporated Pleasants County, West Virginia, county permitting is limited to floodplain development, and we could not confirm a general residential building-permit program.1 Inside St. Marys, the city issues building permits and enforces its own zoning code.23 Septic permits and well permits for every address in Pleasants County, city or not, come from the Mid-Ohio Valley Health Department.45
At a glance
- Building permit
- Unincorporated land: limited to floodplain development, general scope unconfirmed. St. Marys issues its own building permits12
- Zoning
- St. Marys has a city zoning code; no countywide zoning confirmed for unincorporated land36
- Septic
- Permit and inspection handled by the Mid-Ohio Valley Health Department78
- RV living
- Countywide occupancy rule unconfirmed; ask the County Clerk and Floodplain Management69
- Tiny home
- Countywide occupancy and minimum-size rules remain unconfirmed6
- Owner-builder
- Personal work is exempt from contractor licensure, not applicable permits or codes10
- Private well
- Local health-department permit required before drilling, modifying or abandoning5
Who to call
Floodplain permits
Pleasants County Floodplain Management
Floodplain-development questions and the county floodplain building-permit application
301 Court Lane St. Marys, WV 26170
Septic permits
Mid-Ohio Valley Health Department — Pleasants County Office
Onsite sewage and septic permitting, site evaluation and inspections in Pleasants County
605 Cherry Street, St. Marys, WV 26170
Building permits
Pleasants County Clerk's Office
Starting contact for county records and unresolved building or land-use questions
301 Court Lane St. Marys, WV 26170
Contact details are copied from each office’s official page and were checked against it on October 16, 2026.
Off-grid gear
Going off-grid in Pleasants County means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.
Do you need a building permit in Pleasants County, West Virginia?
Unincorporated Pleasants County describes its building-permit activity as limited to floodplain development rather than a general residential building-permit program.1 West Virginia does not impose a building code on every project statewide; the State Building Code applies where a county or municipality has adopted it.11 The State Building Code binds a county only after it adopts the code and notifies the State Fire Commission in writing, and the adopting jurisdiction does its own enforcement.12 We could not confirm that Pleasants County has adopted it, or that the county runs a general inspection program or a general fee schedule for unincorporated land. Ask the County Clerk whether a project needs county approval, and contact Floodplain Management before work in a mapped flood area.1314 Inside St. Marys, building permits are a city requirement (2): do not begin work before approval, and flood-zone work may require more information and permits.15 St. Marys charges $20 for projects up to $10,000 and $20 plus $1 per additional $1,000 above that amount; these are city fees, not countywide fees.16
Who handles building permits in Pleasants County?
Pleasants County lists Floodplain Management, not a general building department, as the county office tied to building-permit materials.1 The Floodplain Management office is at the Pleasants County Courthouse and publishes the county's floodplain building-permit application.13 For unincorporated land outside a mapped flood area, start with the County Clerk and ask whether a county permit, adopted code, inspection, or occupancy approval applies.14 West Virginia law lets a county commission adopt building and housing codes for all or part of its unincorporated territory, but that authority does not show that Pleasants County adopted one.17 Inside St. Marys, the city issues building permits through its own application; the permit expires one year after issuance, and fees are refundable if the application is denied.1516 The application has the applicant consent to reasonable inspections by the City Manager/Floodplain Manager to verify compliance, so inspection there is tied mainly to flood-zone review.18 The city handles none of this for the rest of the county: unincorporated land is outside the city application. Septic permits and well permits are not part of the city's building permit; those stay with the Mid-Ohio Valley Health Department.45
Does Pleasants County have zoning?
The City of St. Marys has a Planning and Zoning Code with zoning districts and a Board of Zoning Appeals, so zoning rules apply to property inside St. Marys city limits.319 City Council's powers cover building height, area, bulk, use, yards, open spaces and land-use intensity, and the code covers amendments, nonconforming uses and enforcement.20 For unincorporated Pleasants County, available information indicates no countywide zoning, although we could not confirm that from a countywide zoning ordinance or official statement.6 Before relying on that indication, ask the County Clerk whether the parcel is unincorporated and whether any county land-use ordinance, subdivision rule, or recorded restriction affects it.14 West Virginia allows a county zoning ordinance to cover the entire county or only parts of it, so the state's grant of authority does not answer a parcel-level question.21 Local subdivision ordinances, when adopted, can set lot-size and setback standards; state law does not supply one uniform numeric minimum.22 Floodplain requirements are separate from zoning and can regulate development in mapped areas.9 We could not confirm zoning rules for other incorporated places in the county, such as Belmont; ask the town recorder or the Clerk.
How do septic permits work in Pleasants County?
The Mid-Ohio Valley Health Department oversees sewage and septic systems in Pleasants County, including inside St. Marys and other cities, which do not issue septic permits.4 State law requires a written permit before installing an onsite sewage, drainage, or water-supply system, including an off-grid sanitation setup, and the system must follow approved plans and instructions.82324 In most cases a percolation test is required, and a homeowner who performs the percolation test or installs their own system must pass the department's Homeowner's Exam, which costs $50 per attempt.25 If someone else installs the system, that person must be a Certified Sewage System Installer licensed by West Virginia.25 During installation, the tank, trenches, piping, and crossovers must stay uncovered until inspection, and the department requires 24-hour notice.26 Call the Pleasants County health office before fixing the house, well, and drain-field locations.27 Only about 2.9% of county soils are rated without severe limitations for a conventional septic drain field, so plan on early site evaluation.28 A private well also needs a local health-department permit before drilling, modification, or abandonment.5
Can you live in an RV or tiny home in Pleasants County?
We could not confirm a countywide Pleasants County rule for full-time RV living, temporary camping, tiny-home occupancy, or minimum dwelling size. Available county information indicates no countywide zoning, but that does not make every parcel or use unrestricted.6 Ask the County Clerk whether the land is inside a municipality, subdivision, or regulated floodplain and describe the intended occupancy.14 Floodplain review can still apply to an RV pad, utilities, grading, fill, or a tiny-home site in a mapped flood area.9 Any off-grid sewage, excreta-disposal, drainage, or water-supply system needs written approval before installation and must follow approved plans.24 An owner or occupant may personally perform construction work without a contractor license, but the exemption does not waive applicable building-code, floodplain, septic, electrical, or other approvals.10
Building a home in Pleasants County: what are the steps?
- Confirm whether the parcel is unincorporated and ask the County Clerk which county or municipal rules apply.14 If the property is in St. Marys, submit the city's application and wait for permit approval before starting work.29
- Check the flood map and contact Pleasants County Floodplain Management before grading or building in a mapped flood area.139
- Tell the Clerk if the structure will be used primarily for agriculture: qualifying agricultural structures are exempt from state, county, and municipal building codes, though other health, safety, and permitting rules may still apply.30
- Arrange the septic evaluation and obtain written approval for sewage, drainage, and water-supply systems before installation.824
- Obtain the local health-department permit before drilling, modifying, or abandoning a private well.5
- Obtain a Division of Highways permit if the new driveway connects to a state highway.31
- Obtain state construction-stormwater authorization if land disturbance reaches 1 acre or is part of a larger common plan.32
- Keep the septic installation uncovered and arrange inspection before backfilling.26
What should you check before buying land in Pleasants County?
Start with the usable homesite: only about 14.9% of Pleasants County land has a slope of 15% or less, while only about 2.9% of soils avoid severe conventional septic limitations.3328 Evaluate the house, septic field, replacement area, well, driveway, and flood exposure together before closing. Confirm whether access enters a state highway, because a new state-highway driveway requires a Division of Highways permit.31 Ask Floodplain Management whether mapped floodplain development controls affect grading, fill, stream crossings, utilities, or structures.913 For carrying costs, the effective property-tax rate is about 0.6%, and the median annual property-tax bill is about $752.3435
Watch-outs
- Pleasants County's general residential building-permit scope and code-adoption status remain unconfirmed; ask the County Clerk before construction.114
- Available county information indicates no countywide zoning, but we could not confirm that status from an official countywide statement; verify the parcel and intended use with the County Clerk.614
- St. Marys building-permit fees, approval steps and zoning code are city requirements, not countywide rules for unincorporated Pleasants County.362937
- Conventional septic suitability is severely limited across most of Pleasants County, with only about 2.9% of soils rated without severe limitations.28
Sources
- Pleasants County, WV - County Offices (Floodplain Management) (2026 county census)
- St. Marys: Article 1705 Building Permits (Pleasants County), quoted and re-checked
- St. Marys: Saint Marys, WV Laws (Pleasants County), quoted and re-checked
- Mid-Ohio Valley Health Department provides septic inspections, quoted and re-checked
- oehs.wvdhhr.org, quoted and re-checked
- Pleasants County, WV - County Offices (2026 county census)
- Mid-Ohio Valley Health Department - Sewage Program (2026 county census)
- code.wvlegislature.gov, quoted and re-checked
- Floodplain Permits (West Virginia statewide rule), quoted and re-checked
- West Virginia Code §30-42-3. Definitions, quoted and re-checked
- 2023 West Virginia State Hazard Mitigation Plan (West Virginia statewide rule), quoted and re-checked
- 87CSR4 State Building Code, quoted and re-checked
- Pleasants County Floodplain Management (pleasantscountywv.gov)
- Pleasants County Clerk's Office (pleasantscountywv.gov)
- Application for Plan Examination and Building Permit, quoted and re-checked
- Application for Plan Examination and Building Permit, quoted and re-checked
- West Virginia Code §7-1-3n. Authority of certain counties as to building and housing codes; state building code (West Virginia statewide rule), quoted and re-checked
- Application for Plan Examination and Building Permit, quoted and re-checked
- Part Thirteen - Planning and Zoning Code | Saint Marys, WV, quoted and re-checked
- codelibrary.amlegal.com, quoted and re-checked
- West Virginia Code §8A-7-1. Authority for zoning ordinance (West Virginia statewide rule), quoted and re-checked
- West Virginia Code §8A-4-2. Contents of subdivision and land development ordinance. (West Virginia statewide rule), quoted and re-checked
- West Virginia Code §16-1-9, quoted and re-checked
- code.wvlegislature.gov, quoted and re-checked
- movhd.com, quoted and re-checked
- Mid-Ohio Valley Health Department provides septic inspections, quoted and re-checked
- Mid-Ohio Valley Health Department — Pleasants County Office (movhd.com)
- Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
- Application for Plan Examination and Building Permit, quoted and re-checked
- West Virginia Code §15A-11-5, quoted and re-checked
- Encroachment Permits (West Virginia statewide rule), quoted and re-checked
- Construction Stormwater General Permit (West Virginia statewide rule), quoted and re-checked
- Share of land at 15% slope or less: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Application for Plan Examination and Building Permit, quoted and re-checked
- codelibrary.amlegal.com, quoted and re-checked
Written October 16, 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.