Powhatan

Powhatan County is one of the few central-Virginia rural counties to maintain a fully-codified, named accessory-dwelling regime: Section 83-438 of Chapter 83 explicitly recognizes both 'accessory apartment' (attached or interior to the principal dwelling) and 'detached accessory dwelling unit' as accessory uses, with quantitative caps, occupancy requirements, and parking standards. This distinguishes Powhatan sharply from neighbors like Cumberland County (no ADU ordinance, one principal dwelling per lot by default) and from Goochland County (which uses a 'guest house' framework). Powhatan's 35% gross-floor-area cap (and 50% in A-10 Agricultural) is generous compared to other Piedmont counties that cap detached accessory dwellings at fixed square-foot maximums. The owner-occupancy requirement — either the principal dwelling OR the accessory unit must be owner-occupied — gives Powhatan owners flexibility to rent either unit, including for income or family-member housing, without the family-only or non-rental restrictions seen in some other localities. Manufactured homes, two-family dwellings, townhouses, and multifamily dwellings are excluded as principal-dwelling hosts for an accessory apartment or detached ADU. Approval is through the standard county building-permit process under Section 83-438; a Conditional Use Permit is NOT required for an accessory apartment or detached ADU that meets the standards (the third-party Real Estate with AK blog citing CUP for Powhatan ADUs appears to be conflating Powhatan with other Central Virginia localities — the ordinance text in Section 83-438 itself does not condition the use on a CUP).

Powhatan County administers three principal overlay regimes that bear on accessory-dwelling and detached-ADU projects: (1) Floodplain Zoning under Chapter 83, updated to incorporate the FEMA Flood Insurance Rate Map for Powhatan County that became effective in Summer 2024 (FEMA's 90-day appeal period opened May 31 2023, with new flood-insurance requirements taking effect on the new FIRM's effective date); this overlay reaches the James River corridor on the county's northern boundary with Goochland County, the Appomattox River corridor on the southern boundary with Amelia and Chesterfield, Fine Creek, Tomahawk Creek, Norwood Creek, and their tributaries. Local floodplain administrator: Bret Schardein (bschardein@powhatanva.gov). (2) The Land Use (use-value) assessment program administered by the Commissioner of the Revenue under Va. Code § 58.1-3230 et seq., extensively used in Powhatan given the county's still-substantial agricultural and forested land base despite rapid suburban growth; a detached ADU on a Land Use parcel risks rollback-tax exposure up to six years under § 58.1-3237 if the dwelling footprint plus curtilage drops qualifying acreage below the program minimum. (3) Agricultural and Forestal Districts (AFD) under Va. Code § 15.2-4300 et seq., a voluntary program by which landowners enroll parcels for agricultural-preservation status with associated assessment and development-review protections; AFD enrollment is handled by Planning & Zoning via the AFD Application listed on the Application Information page. Powhatan has NO coastal-commission jurisdiction (no tidal waters; the upper James River along Powhatan's northern boundary is well above the tidal-water Chesapeake Bay Preservation Act boundary), NO statewide WUI regulatory overlay (Virginia has none), NO seismic-retrofit overlay (Powhatan is on the eastern edge of the Central Virginia Seismic Zone that produced the 2011 magnitude-5.8 Mineral earthquake in nearby Louisa County, but standard IRC/IBC seismic provisions through the Virginia USBC are the only construction constraint), and NO Part 150 airport-noise overlay (no commercial airport in the county; Richmond International to the east-northeast does not generate Part 150 coverage reaching Powhatan). Powhatan does NOT operate a county-administered local Architectural Review Board with private-property design-review authority — the county has National Register listings (notably the Powhatan Courthouse Historic District) but no local overlay imposing exterior-change review on private parcels.

• Floodplain Zoning (Chapter 83) with FIRM effective Summer 2024
• Land Use (use-value) assessment program
• Agricultural and Forestal Districts (AFD)

An accessory-dwelling or detached-ADU project in Powhatan County routes through the Community Development Department at 3834 Old Buckingham Road, Suite F, Powhatan, VA. Planning & Zoning handles the zoning-side review under Section 83-438 (size cap, owner-occupancy, parking, yard compliance), confirmed via the county-published Zoning Compliance Affidavit at building-permit intake. Building Inspections handles the building permit under the 2021 Virginia Construction Code (as adopted statewide), enforces the Virginia Uniform Statewide Building Code (13 VAC 5-63), and issues trade permits (electrical, mechanical, plumbing, gas). Because Powhatan is predominantly rural with limited public-utility service areas, the Chickahominy Health District (Virginia Department of Health local office covering Charles City, Goochland, Hanover, New Kent, and Powhatan counties) issues the well-and-septic construction permit for parcels outside public-utility coverage; this must be in hand before the county releases the building permit. Application intake is by electronic submission on USB, with the Permit Center accepting applications from 9 a.m. to 4 p.m. Monday through Friday. Conditional Use Permits, variances, and rezoning applications that require Board of Supervisors or Board of Zoning Appeals action are due the first Friday of each month by 5 p.m., proceed to Planning Commission (first Tuesday) for recommendation, then to Board of Supervisors (fourth Monday) for hearing — a roughly 60-90 day discretionary-review cycle.