ADU Pass
Studley
ADU Pass helps homeowners in Studley, 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
Studley is a small Hanover County CDP. Hanover's accessory family unit framework restricts occupancy to family members, which materially limits rental income potential until SB531 (effective July 1, 2027) preempts the family-only restriction. The Studley area's larger rural-residential lot sizes (typical 1-5 acres in the A-1 and RR districts) make detached ADUs structurally easier than in dense suburban CDPs.
Cost scenarios
| Scenario | Sq ft | Permit | Build | Total |
|---|---|---|---|---|
| minimum | 200 | $1,100 | $60,000 | $61,100 |
| 600 | 600 | $1,400 | $192,000 | $193,400 |
| midpoint | 500 | $1,300 | $155,000 | $156,300 |
| maximum | 800 | $1,500 | $264,000 | $265,500 |
Fee breakdown (as of 2026-05)
Permitting process
Viability (permitted uses)
- Long-term rental: no Non-family long-term rental is prohibited until July 1, 2027 (SB531 effective date). After that, by-right ADU rental will be permissible subject to Hanover's amended ordinance.
- Short-term rental: no Hanover County's accessory family unit rules prohibit non-family occupancy. STR is incompatible until SB531 takes effect in July 2027 (and even then will require local STR permit/registration).
- Office rental: no ADU must remain a residential dwelling unit.
- Home office: yes Home occupation permitted under Hanover's standards with no employee-visit traffic.
- Studio / workshop: yes Personal studio/workshop use permitted accessory use; on larger Studley parcels, this is straightforward.
- Agriculture: yes A-1 and AR-6 districts permit accessory agricultural use; Hanover County is one of Virginia's most ag-friendly counties for small-scale operations.
- Relative support: yes Family-occupancy accessory family unit is the dominant Hanover use case and the only permitted occupancy until July 1, 2027. Aging-parent housing is the typical pattern.
Incentives
Contacts
Utilities
- Water: Private well (most Studley parcels); Hanover County Public Utilities only along select corridors · 60d connect · $8,500
- Sewer: Private septic (most Studley parcels); Hanover County Public Utilities sewer only along select corridors · 60d connect · $14,000
- Electric: Dominion Energy Virginia · 35d connect · $2,200
- Gas: Propane (most Studley parcels - no Columbia Gas service in this rural area); some natural gas mains near Mechanicsville border · 21d connect · $1,500
Property values & taxes
Construction timeline
Realistic total: best 7mo · typical 10mo · worst 15mo
Modular pathway inspectors are occasional with modular
I-295 and US-360 provide good module transport access; Studley's rural roads accommodate standard module widths.
Financing
State ADU loans:
Insurance impact
HOA prevalence & preemption
Most rural-residential Studley parcels are NOT in HOAs - traditional acreage parcels and family-subdivision lots dominate the landscape. Newer subdivisions near the Mechanicsville border have HOAs. SB531 (2027) does not preempt HOA private covenants.
Regulatory overlays (1)
- wetland-overlay
Parts of Hanover County including Studley have tidal/non-tidal wetlands along Chickahominy and Pamunkey River tributaries. Parcels near Totopotomoy Creek may require Virginia DEQ Joint Permit Application for ADU construction within 100 feet of wetlands.
Technical envelope (climate & building code)
Climate & energy code
Building code
Amendments:
- Amendment
Contractor market (aggregate)
Legal history (timeline)
Current ordinance: Hanover County Zoning Ordinance, Chapter 26 (Accessory Family Unit provisions), adopted 1999-XX-XX, last amended 2023-XX-XX
- 1999-01-01 — Hanover County Zoning Ordinance Chapter 26 (Accessory Family Unit framework) (county-ordinance)
Hanover County established its accessory family unit (in-law apartment) framework as part of the modernized 1999 Zoning Ordinance. Rules restrict ADU occupancy to immediate family of the primary-dwelling occupant.
Effect: Established the current restrictive ADU framework; Studley parcels are governed by these rules. - 2026-04-14 — Virginia SB531 signed - statewide by-right ADU mandate (state-law)
Effective July 1, 2027: by-right one ADU per single-family lot statewide, $500 permit-fee cap, January 1, 2026 grandfather clause for stricter ordinances already in force.
Effect: Will preempt Hanover's family-only occupancy restriction for one by-right ADU per single-family lot starting July 1, 2027. Hanover's January 1, 2026 ordinance language on size and setbacks is grandfathered.
Known issues (2)
- policy-review — Hanover's family-only occupancy restriction is materially restrictive for ADU economics. SB531 will preempt it July 1, 2027; until then, rental income is not legally available.
- other — Well/septic dependence: Studley parcels are predominantly on private well and septic. ADU construction requires Hanover Health Department review and potentially separate septic field for the ADU, adding $10K-$20K and 30-60 days to the timeline.
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
- 23162
Post Office
- 5411 Studley Rd, 23162