Westmoreland County, Virginia requires a building permit before covered construction begins, and the county administers the statewide building code1. County zoning also governs land use and development2. For land outside a public sewer service area, Three Rivers Health District evaluates the soil and issues the required septic permit3.
At a glance
- Building permit
- Required before covered work begins1
- Zoning
- Yes; the county has base and overlay zoning districts24
- Septic permit
- Required outside public sewer areas through Three Rivers Health District Environmental Health53
- Private well
- Construction or abandonment requires a health-department permit6
- RV living
- Private-parcel residential use was not confirmed; ask Building & Zoning before relying on an RV7
- Tiny home
- No specific tiny-home occupancy rule was confirmed; normal building and zoning review still applies12
- Owner-builder
- No general exemption from building permits was confirmed8
- Farm buildings
- Qualifying nonresidential farm structures are exempt from the statewide building code, with important exceptions9
Who to call
Building permits
Westmoreland County Building & Zoning
Building permits and inspections, zoning, land-use review and online permit applications
P.O. Box 1000 Montross, VA 22520
Septic permits
Virginia Department of Health, Three Rivers Health District — Westmoreland County Health Department
Local Environmental Health contact for onsite sewage and private-well permits
18849 King’s Highway P.O. Box 303 Montross, VA 22520
Contact details are copied from each office’s official page and were checked against it on September 27, 2026.
Do you need a building permit in Westmoreland County, Virginia?
Yes. Westmoreland County requires an approved building permit before covered work begins and administers the Virginia Uniform Statewide Building Code through its Building and Zoning Division1. Virginia's application rule covers regulated construction, demolition and installations, and requires the application to go to the building official before work starts10. The current statewide code is the 2021 edition, effective in 202411. Qualifying farm buildings used primarily for farming and not as residences are exempt from the building code, but the exemption has restaurant, floodplain and agritourism qualifications9. Do not assume an agricultural zoning label alone makes a proposed home or outbuilding permit-free; ask Building & Zoning how the exemption applies to the actual use7.
Who handles Westmoreland County building permits, and how do you reach the office?
Westmoreland County Building & Zoning is the permit office: call 804-493-0120, email [email protected] or write to P.O. Box 1000, Montross, VA 225207. Applications may be filed through the county's Citizens' Permit Portal, and the office sends an invoice after an online application is processed7. Principal structures and projects with large or sealed plans will most likely need in-person handling at the George D. English Sr. Building12. Building applications need enough plans and documents to show compliance, including parcel dimensions, scaled building locations, utilities and drainage, and a zoning permit is required whenever a building permit is required12. Permit fees follow the local schedule and may be based on construction size, volume, estimated cost or another suitable measure13.
Does Westmoreland County have zoning?
Yes. Westmoreland County has an adopted zoning ordinance governing land use and development, with published base districts, overlay districts, use tables and supplemental regulations24. County zoning jurisdiction applies to unincorporated territory, while incorporated municipalities control zoning inside their boundaries14. The Agricultural Conservation and Rural Conservation districts cap building height at 35 feet, except for agricultural structures and other stated height exceptions15. That height limit is district-specific, not a universal answer for every parcel15. We could not confirm a general minimum dwelling size or the applicable lot-coverage limits, so ask Building & Zoning for the parcel's district, permitted use, setbacks, coverage and any overlay before designing a house7.
How do septic and well permits work in Westmoreland County?
Outside Westmoreland County's public sewer service areas, Three Rivers Health District Environmental Health evaluates whether the soil can support a private septic system and issues the required permit3. Call the Westmoreland County Health Department's Environmental Health line at 804-493-1235 or visit 18849 King’s Highway, Montross, VA 2252016. A septic construction permit is valid for 18 months, does not transfer when ownership changes, and an operation permit is needed after installation and inspection before the certificate of occupancy3. Only 12% of mapped county soils rate as free of severe limitations for a conventional drain field, so make septic feasibility an early purchase contingency rather than assuming a conventional system will fit17. Private-well construction or abandonment also needs a health-department permit, inspection and required completion records; a drinking well must produce satisfactory bacteria-free sample results6.
Can you live in an RV or tiny home in Westmoreland County?
We could not confirm a Westmoreland County rule that allows full-time RV occupancy on an ordinary private parcel, so ask Building & Zoning at 804-493-0120 before buying land for that plan7. The county's reviewed camping rules govern campgrounds and travel-trailer parks, including limits on stays, but those rules do not establish permission to occupy one RV as a home on a private lot18. We also could not confirm a county definition for a tiny home or a general minimum principal-dwelling size; a site-built tiny house still faces the normal building-permit and zoning reviews12. A manufactured home has a separate statewide path tied to zoning district, conversion to real property, placement on an individual lot and other conditions19. Any residential plan outside public sewer service also needs an approved sanitation path through Environmental Health3.
What are the steps to build a home in Westmoreland County?
- Ask Building & Zoning to identify the parcel's zoning district, overlays, setbacks and permitted residential use72.
- Confirm public sewer availability; otherwise have Three Rivers Environmental Health evaluate the site and issue the septic construction permit203.
- Secure the private-well permit if the project will not use public water6.
- Submit zoning and building applications with the required plans through the portal or in person as the office directs127.
- Obtain a VDOT land-use permit if a new or modified entrance connects to a VDOT-maintained highway21.
- Request the applicable building inspections before work is concealed and pass the final inspection22.
- Complete the septic inspection and operation permit, then obtain the certificate of occupancy before moving in323.
What should you check before buying land in Westmoreland County?
Start with zoning and septic feasibility: Westmoreland County regulates land through base and overlay districts, while only 12% of mapped soils rate as free of severe limitations for a conventional drain field417. Check flood exposure before choosing a building site because flood-prone land cannot be subdivided for residential occupancy unless each lot contains a building site free from flood or other danger24. Confirm legal access because work on a VDOT right-of-way, including a private entrance, needs a state land-use permit21. Public water and sewer exist only in specified areas, so verify availability rather than assuming service reaches the parcel20. For carrying costs, the effective property-tax rate is about 0.6%, the median annual bill is about $1,506, and farmland value averages about $5,735 per acre252627.
Watch-outs
- A septic construction permit lasts 18 months and does not transfer to a new owner, so verify permit status during a land sale3.
- Only 12% of mapped soils rate as free of severe limitations for a conventional drain field; an approved site evaluation matters before committing to a house location173.
- We could not confirm a private-parcel RV occupancy rule, a tiny-home rule, a general minimum dwelling size or a general owner-builder permit exemption; ask Building & Zoning before relying on any of those assumptions78.
Sources
- Westmoreland County Planning & Community Development (2026 county census)
- Westmoreland County Planning & Community Development (2026 county census)
- Water & Sewer, quoted and re-checked
- Codes & Ordinances, quoted and re-checked
- Water & Sewer, quoted and re-checked
- Environmental Health Services - Three Rivers Health District, quoted and re-checked
- Westmoreland County Building & Zoning (westmoreland-county.org)
- (2026 county census)
- Code of Virginia § 36-99. Provisions of Code; modifications (Virginia statewide rule), quoted and re-checked
- 13VAC5-63-80. Section 108 Application for permit (Virginia statewide rule), quoted and re-checked
- Virginia Uniform Statewide Building Code (USBC) (Virginia statewide rule), quoted and re-checked
- Building & Zoning, quoted and re-checked
- 13VAC5-63-70. Section 107 Fees (Virginia statewide rule), quoted and re-checked
- § 15.2-2280. Zoning ordinances generally (Virginia statewide rule), quoted and re-checked
- Article 2 Base District Regulations, quoted and re-checked
- Virginia Department of Health, Three Rivers Health District — Westmoreland County Health Department (vdh.virginia.gov)
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Article 4 Supplemental Regulations, quoted and re-checked
- § 15.2-2290. Uniform regulations for manufactured housing (Virginia statewide rule), quoted and re-checked
- Water & Sewer, quoted and re-checked
- Land use permits (Virginia statewide rule), quoted and re-checked
- 13VAC5-63-130. Section 113 Inspections (Virginia statewide rule), quoted and re-checked
- 13VAC5-63-160. Section 116 Certificates of occupancy (Virginia statewide rule), quoted and re-checked
- Westmoreland County Subdivision Ordinance, quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Farmland value per acre (USDA census): Bolthole Index county data
Written September 27, 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.