Dickenson County
ADU Pass helps homeowners in Dickenson County, Virginia navigate the permit paperwork for building an accessory dwelling unit. We cover 5 cities and 8 ZIP codes in this county.
Map
County ADU details
County ADU ordinance
Dickenson County does NOT maintain a countywide zoning ordinance and does NOT have a standalone accessory-dwelling-unit ordinance. ADU regulation in Dickenson is essentially absent at the zoning level: a property owner can build a second dwelling on a parcel without zoning approval because there is no zoning ordinance to require approval. The constraints that govern ADU construction in Dickenson are therefore (a) the Virginia Uniform Statewide Building Code (VUSBC, 13 VAC 5-63), administered through the County Building Inspector, which sets construction standards for any habitable structure regardless of zoning; (b) the county's subdivision regulations, which govern the creation of new parcels but do not directly regulate dwelling-unit count on existing parcels; (c) the county Floodplain Management Ordinance, which restricts construction within FEMA-mapped Special Flood Hazard Areas as required for NFIP participation; (d) onsite-sewage and well regulations administered through the Virginia Department of Health LENOWISCO Health District; (e) federal Surface Mining Control and Reclamation Act (SMCRA) restrictions on construction over abandoned mine lands, active mine permits, or subsidence-prone areas; and (f) deed restrictions, mortgage covenants, and any utility-service-area requirements imposed by the local water and sewer authorities. The Towns of Clintwood, Clinchco, and Haysi maintain their own ordinances, which may include zoning provisions affecting parcels inside town limits. The absence of countywide zoning is characteristic of much of rural southwest Virginia and reflects the Dillon Rule baseline: Virginia counties have no inherent zoning power and may exercise zoning authority only as enabled by Va. Code Section 15.2-2280 et seq., and historically many rural southwest Virginia counties have declined to adopt comprehensive zoning. The practical effect is that ADUs are essentially un-regulated at the zoning level, but the building-permit, septic, floodplain, and SMCRA layers remain binding constraints on construction.
County permitting (unincorporated parcels)
Dickenson County's Building Inspector handles building permits and trade permits for every parcel in the county except those inside the Towns of Clintwood, Clinchco, and Haysi (which administer their own building permits under arrangements with the county). Because there is no countywide zoning ordinance, there is no Department of Planning and Zoning per se; subdivision regulations, the Floodplain Management Ordinance, and the Erosion and Sediment Control Ordinance are administered through the County Administrator's Office. A typical ADU-like permit bundle in Dickenson includes: (1) a Building Permit from the Building Inspector with stamped residential plans, (2) Electrical, Plumbing, and Mechanical trade permits, (3) a VDH LENOWISCO Health District construction permit for well and septic on parcels not served by public water or sewer (which is the great majority of parcels - Dickenson's public water and sewer service is limited to the towns and a few service-district extensions), (4) a Floodplain Development Permit if any portion of the parcel is within the mapped Special Flood Hazard Area along the Russell Fork, McClure River, Pound River, Cranks Creek, or other tributaries, (5) SMCRA review through the Virginia Department of Energy / Division of Mined Land Repurposing where the parcel sits over abandoned mine lands, an active mine permit, or known subsidence-prone areas - this is a frequent and material constraint in Dickenson because much of the county sits over historic underground coal mines, and (6) coordination with the federal Office of Surface Mining Reclamation and Enforcement (OSMRE) for projects on parcels with active SMCRA permits or recently-released bond areas.
County assessor
Dickenson County real estate is assessed by the Office of the Commissioner of the Revenue working with the Real Estate Assessment Office. Dickenson County operates on a periodic general-reassessment cycle under Va. Code Section 58.1-3252; the county uses a multi-year cycle (commonly four-year cycle) with reassessments typically contracted to an outside assessment firm. An ADU or second-dwelling addition is captured through the supplemental real-estate-improvement process under Va. Code Section 58.1-3292: the Commissioner of the Revenue receives the building-permit record and Certificate of Occupancy from the Building Inspector, and the assessment office adds the ADU's assessed value to the parcel's land and improvement base, prorated to the completion date. The primary dwelling is NOT re-valued off-cycle as a result of the ADU addition. State parklands at Breaks Interstate Park (a unique bi-state park jointly managed by Virginia and Kentucky), federal lands managed by the US Forest Service in the Jefferson National Forest area, and active SMCRA-permitted mine lands have specialized assessment treatment.
Assessment policy: An ADU is captured as a real-estate improvement under Va. Code Title 58.1 Subtitle III Chapter 32. On receipt of the building permit and (later) the Certificate of Occupancy from the Building Inspector, the Real Estate Assessment Office prorates the supplemental assessment from the completion date through the end of the tax year under Va. Code Section 58.1-3292. The ADU is added at its assessed fair-market value (typically derived from cost approach using Marshall & Swift residential cost multipliers calibrated to the current reassessment-cycle base) on top of the parcel's existing land and improvement value; the existing primary dwelling is NOT revalued off-cycle. There is no Dickenson-County-specific ADU assessment exemption. Standard Virginia real-estate tax relief programs (elderly and disabled relief under Va. Code Section 58.1-3210 as adopted locally, disabled-veteran exemption under Va. Code Section 58.1-3219.5) apply to the homeowner's principal residence and may extend to the parcel as a whole depending on local-option rules. Coal-and-mineral assessments are a distinctive feature of Dickenson County real-estate assessment because the county's economy has been historically built on coal extraction: surface-rights and mineral-rights are frequently severed in Dickenson County deed records (the 'broad form deed' historical pattern, where surface rights were sold separately from subsurface mineral rights, has been a chronic source of property-rights conflicts in southwest Virginia and eastern Kentucky), and the Commissioner of the Revenue maintains separate assessment records for mineral interests and for surface estates. Federal-trust land at the Jefferson National Forest portions inside Dickenson County and state parkland at Breaks Interstate Park are not on the local real-estate tax rolls.
County overlays (4)
Dickenson County does not maintain a comprehensive countywide zoning ordinance, so the typical overlay framework (R-1 / R-2 / A-1 / A-2 districts with overlay districts on top) does not apply. The constraints that function as overlays in Dickenson are: (1) the Floodplain Management Overlay tied to FEMA Special Flood Hazard Areas, with material coverage along the Russell Fork (which has carved one of the deepest gorges in the eastern United States and has a powerful flood-flow regime), the McClure River, the Pound River, and Cranks Creek; (2) federal Surface Mining Control and Reclamation Act (SMCRA) jurisdiction across the substantial fraction of the county affected by historic underground coal mining and active or recently-released SMCRA permits - this is the most distinctive overlay constraint in Dickenson and reflects the county's century-plus history as a major bituminous coal producer; (3) federal lands at the Jefferson National Forest portions inside the county and the bi-state Breaks Interstate Park (administered jointly by Virginia and Kentucky); (4) the National Park Service-administered Big Sandy National Recreation Trail / Spearhead Trails interface where ATV/UTV trail systems and other tourism-tied land uses interact with private development; (5) limited local historic resources, primarily concentrated in Clintwood and the Clinchco / Haysi former coal-company-town corridors (Clinchco was a notable Clinchfield Coal Company town with company-owned housing, and the historic fabric of the company town remains partially intact). Dickenson County is NOT a Tidewater locality under the Chesapeake Bay Preservation Act (the county is in the Big Sandy / Ohio River drainage, not the Chesapeake Bay drainage, and is far west of the Fall Line). Dickenson has NO California-style coastal commission, NO CalFire-equivalent WUI regulatory overlay (Virginia has no statewide WUI overlay despite the elevated wildfire exposure on Cumberland Mountain forested parcels), and NO seismic-retrofit overlay.
Known county issues (5)
- other — This is permissive in a regulatory sense - ADU construction does not require zoning approval at the county level - but the SMCRA, septic, and floodplain layers remain binding. The dominant cost drivers in Dickenson are typically construction itself, mine-void grouting where required, and AOSS septic on challenging Cumberland Mountain parcels, not regulatory fees.
- other — Mine-void grouting / stabilization where required can add $10,000-$50,000+ to the project. SMCRA review through the Virginia Department of Energy can add 60-180 days to the permit timeline. Subsidence-event risk is documented in Dickenson and the surrounding coalfield counties; insurance underwriting calculus can be material. Applicants should commission a preliminary mine-void survey BEFORE committing to a parcel and a project pro forma.
- other — An ADU applicant who owns the surface estate but not the mineral estate faces potential conflicts with the mineral-estate owner if subsurface mining or extraction is contemplated. The Commissioner of the Revenue maintains separate assessment records for mineral interests and for surface estates. Title work in Dickenson County deed records frequently reveals severed mineral estates that are not obvious from a casual property search; applicants should commission a thorough title search BEFORE purchasing a parcel for ADU development, particularly on parcels with documented historic mining activity.
- other — Floodplain Development Permits, elevation certificates ($400-$1,200 each), and elevated-foundation construction in V/AE zones (incremental cost over slab-on-grade) are recurring line items on river-frontage Dickenson ADU projects. Substantial Improvement review (the NFIP 50% threshold) can force NFIP compliance on the existing primary dwelling. Applicants targeting STR-dependent ADU pro formas near Breaks Interstate Park or the Spearhead Trails network should pull the FEMA FIRM panel BEFORE pricing a project.
- other — ADU economics in Dickenson are typically driven by family-occupancy use cases (housing for extended family) and by tourism-tied STR use cases near Breaks Interstate Park and the Spearhead Trails network, rather than by long-term rental demand. Applicants underwriting an ADU pro forma based on long-term rental income should be conservative on assumed occupancy rates and rent levels, and should verify market data with local realtors before committing to a project.
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.