Springdale, AR Accessory Structures: ADU Rules (2026)
ADU rules in Springdale, AR, also called accessory dwelling unit regulations or granny flat ordinances, cover setbacks, owner-occupancy, parking, and permit requirements.
Key Facts
- ADU allowed
- By right on single-family lots
- Size cap
- 75% of home or 1,000 sq ft
- Application fee cap
- $250
- Impact fee cap
- $250
Summary
Springdale allows accessory dwelling units by right on any single-family lot, capped at 75 percent of the main home's floor area or 1,000 square feet, whichever is smaller.
Subject to the following regulations, accessory dwelling units shall be allowed by right on a lot or parcel that contains a single-family dwelling:A.An accessory dwelling unit may be attached, detached, or internal to the single-family dwelling on a lot or parcel;B.If the accessory dwelling unit is detached from or attached to the single-family dwelling, it shall not be more than seventy-five (75) percent of the gross floor area of the single-family dwelling or one thousand (1,000) square feet, whichever is less;
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 145).
Full Breakdown
Zoning Ordinance § 2.7.2 allows an accessory dwelling unit (ADU) by right on any lot with a single-family dwelling in Springdale. The ADU may be attached, detached, or internal to the primary home, but if attached or detached it cannot exceed 75 percent of the primary dwelling's gross floor area or 1,000 square feet, whichever is less. It must meet the same height, setback, lot-size, and lot-coverage limits as the primary home, is not required to add parking or match the primary home's design, and its address must match the primary unit with a 'B' suffix. Application review fees are capped at $250 each.
Violations & Fines
An ADU that exceeds the size cap, skips the required building and fire permits, or violates a recorded HOA covenant can be denied a certificate of occupancy and is subject to the chapter's fine of up to $1,000 (Article 10).
Frequently Asked Questions
Do I need a variance to build a granny flat in Springdale?
How big can a Springdale ADU be?
Sources & Official References
Other rules in Springdale
How Springdale compares: Easiest Cities to Build an ADU·Compare Springdale to another location·View the Arkansas accessory structures overview
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