ADU Pass
Nokesville
ADU Pass helps homeowners in Nokesville, No County, Virginia navigate the permit paperwork for building an accessory dwelling unit. This area covers 1 ZIP code.
Map
ADU details
ADU legality: allowed-with-restrictions
ADUs allowed under Prince William County's ALU ordinance with size cap and owner-occupancy. The Rural Crescent designation that covers Nokesville (Prince William County Comprehensive Plan, 1998) constrains development density and protects agricultural use; ALUs are permitted in the Rural Crescent but subject to its lower-density framework.
Cost scenarios
| Scenario | Sq ft | Permit | Build | Total |
|---|---|---|---|---|
| minimum | 200 | $1,150 | $84,000 | $85,150 |
| 600 | 600 | $1,380 | $252,000 | $253,380 |
| midpoint | 600 | $1,380 | $252,000 | $253,380 |
| maximum | 800 | $4,280 | $336,000 | $340,280 |
Fee breakdown (as of 2026-05)
Permitting process
Viability (permitted uses)
- Long-term rental: with-restrictions Long-term rental permitted subject to county owner-occupancy condition on the principal dwelling. Strong demand from Prince William County workers priced out of Manassas / Woodbridge.
- Short-term rental: with-restrictions Prince William County requires short-term rental registration and zoning compliance; Rural Crescent STRs serve modest demand from Washington DC weekend visitors and horse-show / equestrian events.
- Office rental: no Commercial office rental in residential ALU not permitted without rezoning to a commercial district.
- Home office: yes Home occupation permitted under standard county conditions (signage, employee, traffic limits).
- Studio / workshop: yes Personal artist/workshop studio is a normal accessory use; some Rural Crescent parcels host equestrian-related home enterprises.
- Agriculture: yes Rural Crescent A-1 and SR-1 districts explicitly support agricultural accessory uses; ALU on a working farm is the canonical pattern.
- Relative support: yes Multigenerational ALU for family members is supported under the owner-occupancy framework; post-2027 SB531 would remove any family-relation restriction nationally.
Incentives
Contacts
Utilities
- Water: Private well (Nokesville is in the Rural Crescent; public water main is not extended) · 75d connect · $10,500
- Sewer: Private septic system (Virginia Department of Health, Prince William Health District regulated) · 90d connect · $17,000
- Electric: NOVEC (Northern Virginia Electric Cooperative) · 45d connect · $2,400
- Gas: No piped natural gas in Rural Crescent; propane only via Suburban Propane and local suppliers · 21d connect · $2,400
Property values & taxes
Construction timeline
Realistic total: best 9mo · typical 13mo · worst 20mo
Modular pathway inspectors are occasional with modular
Nokesville access via Route 28 / Route 605 is rural two-lane through Rural Crescent; oversize modular delivery requires route survey but lacks the tight historic-district constraints seen in Loudoun towns.
Financing
Insurance impact
HOA prevalence & preemption
Most Nokesville parcels are unaffiliated rural acreage; HOA prevalence is much lower than Prince William's suburban east side. A few newer cluster subdivisions in the village core have HOA covenants.
Regulatory overlays (1)
- other
Prince William County Rural Crescent designation (1998 Comprehensive Plan) applies to virtually all of Nokesville. Limits density to 1 dwelling per 10 acres in most districts, prevents extension of public sewer, and frames ALU placement around continued private well/septic reliance.
Technical envelope (climate & building code)
Climate & energy code
Building code
Amendments:
- Amendment
- Amendment
- Amendment
Contractor market (aggregate)
Legal history (timeline)
Current ordinance: Prince William County Zoning Ordinance Section 32-300.05 (Accessory Living Unit), adopted 2023-07-25, last amended 2023-07-25
- 1998-12-15 — Prince William County Comprehensive Plan — Rural Crescent designation (county-ordinance)
Prince William County adopted the Rural Crescent — roughly 80,000 acres in the western half of the county including Nokesville — as a permanent rural-agricultural protection area in the Comprehensive Plan. Public sewer is not extended into the Rural Crescent.
Effect: Limits residential density to 1 dwelling per 10 acres in most of Nokesville; ALUs are permitted but subject to the lot-size floor and continued reliance on private well/septic. - 2023-07-25 — Prince William County Zoning Ordinance amendment — Accessory Living Unit standards (county-ordinance)
County Board of Supervisors amended ALU standards to clarify size caps, owner-occupancy enforcement, and special use permit triggers for detached ALUs.
Effect: Provides current operative framework for ALUs in Nokesville; likely the controlling ordinance for SB531's January 1, 2026 exemption test. - 2026-04-14 — Virginia SB531 — statewide by-right ADU mandate signed by Governor Spanberger (state-law)
SB531 signed by Governor Spanberger, effective July 1, 2027. Mandates by-right ADUs in single-family zones, caps permit fees at $500, prohibits stricter setbacks than principal dwelling, eliminates family-relation requirements. Localities with ADU ordinances in place by January 1, 2026 are exempt.
Effect: Prince William County's 2023 ALU ordinance pre-dates the exemption deadline; Nokesville continues under county rules rather than SB531 defaults.
Known issues (2)
- policy-review — Older parcels with marginal septic systems face high VDH-driven cost to add an ALU; some parcels cannot support an ALU at all without full system replacement.
- policy-review — SUP process adds 4-6 months to permit timeline and ~$2,400 in application fees plus potential consultant costs.
County: no attribution (synthetic bucket)
No county
This city sits in the state's "no county" bucket — its ADU rules derive directly from state law and city ordinance without a county intermediary. No county-level sections apply.
Virginia state — ADU law and programs
State ADU law
Virginia has NOT enacted a statewide ADU preemption law. Virginia is a Dillon Rule state — localities possess only those powers expressly granted by the General Assembly — and the statutes granting zoning authority (Va. Code § 15.2-2280 et seq.) leave ADU regulation to local ordinances. ADU permission, setbacks, parking, size, and owner-occupancy rules therefore vary by county, independent city, and town. Virginia is unique in that it has 38 independent cities that function as counties (neither in nor subordinate to the surrounding county), meaning 'the county' for any given Virginia property may be an independent city rather than a true county. Several ADU preemption bills have been introduced in recent General Assembly sessions (2022 through 2025) without enactment; none have advanced past committee as of the Assembly's 2026 regular session adjournment.
State financing programs
Virginia does not operate an ADU-specific statewide loan, grant, or forgivable-loan program. Virginia Housing (formerly the Virginia Housing Development Authority, VHDA — rebranded 2020) administers general first-time-homebuyer, down-payment-assistance (DPA), mortgage-credit-certificate, and rehabilitation products that can be applied to ADU-adjacent purchases or improvements when eligibility criteria are met, but none target ADU construction as a distinct product. The Virginia Department of Housing and Community Development (DHCD) administers federal HOME and CDBG pass-through funds that local jurisdictions can direct toward ADU-adjacent rehab, but there is no state-level ADU-dedicated line item. Federally available products (FHA 203(k), Fannie Mae HomeReady and HomeStyle Renovation, Freddie Mac CHOICERenovation) remain the primary ADU financing path for Virginia homeowners.
State housing programs
Virginia does not run a state-level pre-approved-ADU-plan catalog, statewide impact-fee-waiver statute for ADUs, or streamlined-review mandate. State-level programs that touch ADU-adjacent policy are coordinated primarily through the Department of Housing and Community Development (DHCD) and Virginia Housing, and act by funding or assisting local jurisdictions rather than by preemption. Local ADU activity — Arlington County's Accessory Dwellings program (detached ADUs permitted since 2008, liberalized 2020), Alexandria's accessory-dwelling ordinance, Fairfax County's accessory-living-unit program, and Charlottesville's 2021 zoning-code changes — is authorized under the localities' Va. Code § 15.2-2280 zoning authority, not by state mandate.
- DHCD Community Development Block Grant (CDBG) Program — Federal CDBG funds administered by DHCD to eligible non-entitlement Virginia localities for community-revitalization, housing-rehab, and infrastructure projects. Not ADU-specific. Participating localities can direct CDBG funds toward housing-rehab projects where local policy supports ADUs.
- DHCD HOME Investment Partnerships Program — Federal HOME funds administered by DHCD to Virginia participating jurisdictions and non-profits for affordable-housing acquisition, rehab, and new construction. Not ADU-specific; can be directed to ADU-adjacent rehab at local discretion.
- Virginia Housing Commission — Permanent advisory commission of the General Assembly that studies housing-policy questions and recommends legislation. Has periodically studied ADU preemption and missing-middle housing without recommending statewide enactment as of 2026-04-21.
- Local ADU ordinances under Va. Code § 15.2-2280 authority — Not a state program — listed here because Virginia ADU policy is executed entirely at the locality level under the § 15.2-2280 zoning grant. A homeowner seeking to build an ADU consults the zoning ordinance of the specific county, city, or town where the parcel is located.
Federal (United States) — ADU-relevant rules and programs
Federal ADU law
The United States has no federal statute that directly regulates accessory dwelling unit entitlement or design. Land-use authority over ADUs resides with states and local governments under the traditional police power. Federal engagement is limited to financing (Fannie/Freddie/FHA/VA/USDA), flood insurance (FEMA/NFIP), and discretionary housing programs (HUD), which are recorded in sibling sections of this file.
Federal financing programs
Federal housing-finance agencies and GSEs set nationwide underwriting rules that govern whether an ADU can be financed, appraised, and counted toward mortgage qualifying income. The relevant actors are Fannie Mae, Freddie Mac, FHA (HUD), VA, and USDA Rural Development.
Federal tax credits
There is no ADU-specific federal tax credit. ADUs may incidentally qualify for existing federal energy-efficiency and clean-energy tax credits when the ADU construction includes qualifying measures.
Federal housing programs
HUD administers several discretionary programs that can fund ADU-related activity at the grantee's election, but none is an ADU-specific program.
ZIP Code
- 20182
Post Office
- 12913 Marsteller Dr, 20181