ADU Pass
Eureka
ADU Pass helps homeowners in Eureka, Eureka County, Nevada navigate the permit paperwork for building an accessory dwelling unit. This area covers 1 ZIP code.
Map
ADU details
ADU legality: unclear
Nevada leaves ADU regulation to local municipalities under home-rule or Dillon-rule authority. Eureka permits ADUs subject to local conditions per its zoning ordinance.
Cost scenarios
| Scenario | Sq ft | Permit | Build | Total |
|---|---|---|---|---|
| minimum | 150 | $2,200 | $30,000 | $32,200 |
| 600 | 600 | $2,200 | $120,000 | $122,200 |
| midpoint | 525 | $2,200 | $105,000 | $107,200 |
| maximum | 900 | $2,200 | $180,000 | $182,200 |
Fee breakdown
Viability (permitted uses)
- Long-term rental: yes Long-term rental of ADU generally permitted; landlord-tenant law and any city rental-registration ordinance apply.
- Short-term rental: with-restrictions STR rules vary by city. Eureka regulates STRs separately from ADU permitting; check local STR ordinance and HOA covenants.
- Office rental: with-restrictions Detached office rental requires home occupation permit or rezoning.
- Home office: yes Home occupation permitted with restrictions on signage and customer traffic.
- Studio / workshop: yes Personal artist studio is a permitted accessory use.
- Agriculture: with-restrictions Limited urban agriculture permitted in residential zones; livestock varies by district.
- Relative support: yes Family-occupancy ADU explicitly permitted in single-family zones.
Utilities
- Water: Eureka Water Utility · 30d connect · $4,500
- Sewer: Eureka Sewer / Wastewater · 30d connect · $5,500
- Electric: Eureka Electric Utility · 21d connect · $1,800
- Gas: Eureka Gas Utility · 30d connect · $1,500
Property values & taxes
Construction timeline
Realistic total: best 7mo · typical 10mo · worst 16mo
Financing
State ADU loans:
Insurance impact
HOA prevalence & preemption
Nevada has no HOA-ADU preemption; HOA covenants restricting ADUs are enforceable.
Regulatory overlays (1)
- historic-district
Eureka historic districts trigger Architectural Review Board / Historic Preservation Commission review for ADUs in historic boundaries.
Technical envelope (climate & building code)
Climate & energy code
Building code
Amendments:
- Amendment
- Amendment
Legal history (timeline)
Current ordinance: City of Eureka Municipal Code — Accessory Dwelling Units, adopted 2020-01-01, last amended 2024-04-01
- 2024-01-01 — City of Eureka ADU code refresh (city-ordinance)
Conforming local-code amendments aligning with current Nevada accessory-dwelling framework.
Effect: Codified permissive ADU standards consistent with state law and local zoning.
Eureka County — county ADU rules and overlays
County ADU ordinance
Eureka County has no standalone ADU ordinance. Accessory dwelling units are permitted only as a function of the underlying zoning district under Eureka County Code Title 9. In rural residential and agricultural districts (the majority of the county), one accessory dwelling, guest house, or 'mother-in-law' unit is generally allowed by right on a single parcel subject to setbacks, well/septic capacity, and the 1,000 sq ft typical accessory-structure ceiling. There is no county-specific size cap, owner-occupancy clause, or impact-fee schedule beyond standard building permit fees. Nevada has no statewide ADU-preemption law (no equivalent to California SB 9 / SB 13), so the county's silence on ADUs means parcels are governed by the general accessory-dwelling provisions of the underlying zone.
County regulatory overlays
- wui-fire-zone — There is no county-imposed fee for WUI compliance; defensible-space inspections are voluntary and offered at no cost by NDF on request.
- flood-zone — FEMA FIRM panels for Eureka County were last updated in the early 2010s; check the MSC portal for the current effective panel before designing in a flood-prone parcel.
- other — Most residential parcels are well clear of active mining footprints, but title work should confirm any mineral-rights severance before an ADU is sited near a historic district.
Nevada state — ADU law and programs
State financing programs
Nevada Housing Division (NHD), under the Department of Business and Industry, does not operate an ADU-specific loan or grant product as of 2026-04-26. NHD's primary homeowner-facing program is Home Is Possible, providing first-time and qualifying homebuyers in Clark and Washoe counties up to 4% of the loan amount as a non-repayable grant for down payment and closing costs, paired with a 30-year fixed-rate first mortgage. The Home Is Possible For Heroes overlay serves teachers, military, first responders, and healthcare workers. NHD also issued $283.3 million of 2024 tax-exempt bonding authority for affordable-housing development (multi-family); separately, the Nevada Affordable Housing Assistance Corporation (NAHAC) administers federal Hardest Hit Fund and Homeowner Assistance Fund programs for delinquency relief. None of these is ADU-specific; ADU construction can be financed only as part of a qualifying primary-residence purchase or refinance.
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
- 89316
Post Office
- 51 S Main St, 89316