ADU (Accessory Dwelling Unit) Permit in Fayetteville (2026)
ADU (Accessory Dwelling Unit) permit requirements, fees, and process for Fayetteville, AR. Find out if you need a permit and how to apply.
Yes, a ADU (Accessory Dwelling Unit) permit is required in Fayetteville, AR.
A ADU (Accessory Dwelling Unit) permit is required in Fayetteville, AR. The Fayetteville Development Services — Building Safety Division handles permit applications for Fayetteville. Below you will find the current thresholds, fees, and process for obtaining a adu (accessory dwelling unit) permit in Fayetteville.
When Is a Permit Required?
When a ADU (Accessory Dwelling Unit) Permit Is Required in Fayetteville: All ADU construction
Permit Fees
ADU (Accessory Dwelling Unit) Permit Fees in Fayetteville: $700-$3,500. Estimated timeline: 3-6 weeks.
Estimated timeline: 3-6 weeks
How to Get a ADU (Accessory Dwelling Unit) Permit in Fayetteville
Verify whether your project meets the permit threshold in Fayetteville: All ADU construction.
Prepare your permit application and plans. Contact the Fayetteville Development Services — Building Safety Division at https://fayetteville-ar.gov/668/planning for required documentation.
Submit your application online at https://fayetteville-ar.gov/668/planning/1219/building-permits or in person at the Fayetteville Development Services — Building Safety Division.
Pay the permit fee: $700-$3,500.
Wait for plan check approval. Estimated timeline: 3-6 weeks.
Schedule required inspections through https://fayetteville-ar.gov/668/planning/1219/building-inspections. All inspections must pass before project is finalized.
Important: Fayetteville Development Services. Hillside lots near UA campus are popular ADU locations for student/faculty housing. Slope constraints may require foundation engineering for hillside ADU sites.
Fayetteville Development Services — Building Safety Division
Phone: (479) 575-8220
Website: https://fayetteville-ar.gov/668/planning
Online Permits: https://fayetteville-ar.gov/668/planning/1219/building-permits
Hours: Mon-Fri 7:30am-4:30pm
Frequently Asked Questions
Can I build an ADU near the University of Arkansas campus in Fayetteville?
Yes — and it can be a strong rental investment. Fayetteville's Unified Development Code (UDC) allows detached ADUs up to 1,000 sqft in residential zones. Near-campus neighborhoods (Dickson Street corridor, Maple Street area) are primarily RMF-12 and RMF-18 zones that support higher density. University of Arkansas student demand creates year-round rental market for ADUs. No owner-occupancy required. Contact Development Services at (479) 575-8220 for current standards.
What are Fayetteville's Hillside Development Standards and do they affect my project?
Fayetteville's Hillside Development Standards apply to any construction on lots with an average slope of 15% or greater — common in the Ozark hill country of northwest Arkansas. If your lot qualifies, you need: a grading plan showing slope calculations, a drainage and stormwater plan, tree preservation requirements for mature trees on steep slopes, and potentially a geotechnical engineering report for foundation design. These standards apply to new construction, additions, and ADU projects. Contact Fayetteville Planning at (479) 575-8330 for a pre-application meeting.
What makes Fayetteville different from other Arkansas cities for homeowners?
Fayetteville is a university city in the Ozark Mountains — this creates distinct conditions: hilly terrain with hillside development standards, strong student rental demand from 31,000 UA students, rapid growth from Northwest Arkansas corporate expansion (Walmart HQ in Bentonville, Tyson in Springdale), an active local food and arts scene that supports cottage food businesses, and a progressive city government that has embraced housing density and ADU-friendly zoning ahead of other Arkansas cities. The NWA metro is now one of the fastest-growing in the US.
Does Fayetteville allow short-term rentals during big UA events?
Yes. Fayetteville allows STRs with a permit ($75/year). University of Arkansas home football games, Bikes Blues and BBQ motorcycle rally (October), and spring graduation drive peak STR demand. Both hosted (room rental) and non-hosted (whole-home) STRs are permitted. Arkansas state sales tax (6.5%) plus applicable Washington County and city taxes apply. Airbnb and VRBO are popular platforms in Fayetteville. Contact Fayetteville Development Services for current licensing requirements.
Is solar a good investment in Fayetteville given the Ozark terrain and trees?
Solar can be a good investment in Fayetteville, but site-specific conditions matter more here than in flat-terrain cities. Fayetteville's Ozark hillside topography and mature tree canopy can create significant shading on some rooftops. A proper solar site assessment (shading analysis) is recommended before installation. Arkansas has generous net metering limits (up to 300kW). Ozarks Electric Cooperative and Carroll Electric serve the area — both are member-owned cooperatives whose interconnection policies differ from investor-owned utilities. UA Engineering solar research can be a resource.
Source: Fayetteville Building Code — ADU (Accessory Dwelling Unit) Requirements. Last verified April 6, 2026. View source