ADU Service Areas Around Walnut Creek
ADU rules start with the state, but plans, permit offices and rebates differ city by city. Here is how each community around Walnut Creek handles ADUs.
Core areas
City guides
Walnut CreekCity-run permits; pre-approved and designer plans; SD7 rebate share claimed July 2025.
LafayetteAll ADUs ministerial; impact fees cut 50% through 2026; County PADU plans.
DanvilleGarden Cottage detached plans; administers the SD7 rebate; HOA areas nearby.
OrindaCounty PADU plans; steep lots and fire-zone construction; crane access matters.
Nearby
Nearby communities as of October 2026
| Community | Plans | SD7 rebate | Note |
|---|---|---|---|
| Moraga | County PADU vendor plans | Listed | Town is developing permit-ready prototypes |
| Pleasant Hill | City program | Not listed | Check city standards directly |
| Concord | City program | Listed | Large share of single-family lots in the area |
| Clayton | County PADU vendor plans | Listed | County building services |
| Alamo, Blackhawk, Diablo | County PADU vendor plans | Not listed (unincorporated) | HOA CC&Rs common; Civil Code §4751 limits ADU bans |
Sources: County PADU program · SD7 ADU Accelerator · Civil Code §4751.
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