Davis County ADU rules by city
15 Davis County cities are covered. In 6 of them, detached backyard ADUs are generally allowed today. Each city sets its own lot size, parking and owner-occupancy rules, so check the city page before you design.
| City | County | Internal ADU | Detached ADU | Owner occupancy | S.B. 284 city | Checked |
|---|---|---|---|---|---|---|
| Layton | Davis | allowedno city lot minimum on file | allowedlot 6,000 sq ft+ | Required | Yes | 2026-09-07 (not fully verified) |
| Bountiful | Davis | allowedlot 6,000 sq ft+ | allowed with conditionslot 8,000 sq ft+ | Required | Yes | 2026-09-07 (not fully verified) |
| Syracuse | Davis | allowed with conditionslot 6,000 sq ft+ | allowed with conditionslot 10,000 sq ft+ | See city page | Yes | 2026-09-07 (not fully verified) |
| Clearfield | Davis | allowedlot 6,000 sq ft+ | allowedno city lot minimum on file | Required | Yes | 2026-09-07 (not fully verified) |
| Kaysville | Davis | allowedlot 6,000 sq ft+ | allowedlot 11,000 sq ft+ | Required | Yes | ✓ 2026-09-24 |
| Farmington | Davis | allowedlot 6,000 sq ft+ | allowedlot 10,000 sq ft+ | See city page | Yes | 2026-09-07 (not fully verified) |
| Clinton | Davis | allowedlot 6,000 sq ft+ | allowedlot 11,000 sq ft+ | Required | Yes | 2026-09-07 (not fully verified) |
| North Salt Lake | Davis | allowedlot 6,000 sq ft+ | allowedno city lot minimum on file | Required | Yes | 2026-09-07 (not fully verified) |
| Centerville | Davis | allowedlot 6,000 sq ft+ | not generally allowedlot 11,000 sq ft+ | Required | Yes | 2026-09-07 (not fully verified) |
| West Point | Davis | allowedno city lot minimum on file | allowed with conditionslot 11,000 sq ft+ | — | Yes | 2026-09-07 (not fully verified) |
| Woods Cross | Davis | allowedlot 6,000 sq ft+ | not generally allowedlot 11,000 sq ft+ | Required | Yes | 2026-09-07 (not fully verified) |
| South Weber | Davis | allowedno city lot minimum on file | allowed with conditionslot 11,000 sq ft+ | — | Yes | 2026-09-07 (not fully verified) |
| Fruit Heights | Davis | allowedno city lot minimum on file | allowed with conditionslot 11,000 sq ft+ | — | Yes | 2026-09-07 (not fully verified) |
| West Bountiful | Davis | allowedno city lot minimum on file | allowed with conditionslot 11,000 sq ft+ | — | Yes | 2026-09-07 (not fully verified) |
| Sunset | Davis | allowedno city lot minimum on file | allowed with conditionslot 11,000 sq ft+ | — | Yes | 2026-09-07 (not fully verified) |
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Unincorporated Davis County land follows county zoning, which this table does not cover. Planning information, not legal advice or a permit.