Brentwood, CA
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Accessory Dwelling Units are permitted in accordance with Ordinance No. 1021, adopted by the Brentwood City Council. These types of projects must be allowed under California Senate Bill (SB) 13 and California Assembly Bill (AB) 68, which were signed into law by Governor Newsom on October 9, 2019 and took effect on January 1, 2020.
Accessory Dwelling Units (ADUs) and Junior Accessory Dwelling Units (JADUs) are allowed in single-family and multi-family residential zoning districts, in accordance with specific standards and conditions. ADUs may be constructed as new units separated from the main home, as long as they adhere to setback requirements. They may also be attached to or located within the existing home and, in some circumstances, ADUs may be constructed within an existing garage or within an existing outbuilding on the property.
To initiate an application to construct an ADU or a JADU, please submit a Building Permit Application and all required materials.
Application and Reference Information
Building Permit Application
Accessory Dwelling Unit (Effective 02-25-2021)
ADU Deed Restriction
JADU Deed Restriction
ADU and JADU Resources
ADU Ordinance
Accessory Dwelling Unit FAQ
California Senate Bill No. 13
California Assembly Bill No. 68
UNDER REVIEW
| Permit Number | Application date | approved date | location | unit size |
|---|---|---|---|---|
| B24-1663 | 09/17/2024 | N/A | 1101 Claremont Dr | 413 Square Feet |
| B25-0717 | 05/05/2025 | N/A | 239 Brushwood Dr | 725 Square Feet |
| B25-1579 | 08/22/2025 | N/A | 977 Chamomile Ln | 749 Square Feet |
| B25-2062 | 10/24/2025 | N/A | 178 Laurian Ln | 300 Square Feet |
| B25-2350 | 12/22/2025 | N/A | 18 Shawne PL | 380 Square Feet |
| B26-0051 | 01/12/2026 | N/A | 2243 Hemet Ct | 748 Square Feet |
| B26-0069 | 01/15/2026 | N/A | 1080 Woodside Dr | 998 Square Feet |
| B26-0175 | 02/02/2026 | N/A | 1543 Silver Creek Dr | 748 Square Feet |
| B26-0262 | 02/12/2026 | N/A | 723 Anderson Ave | 1000 Square Feet |
| B26-0531 | 03/31/2026 | N/A | 2421 Smith Rd | 400 Square Feet |
| B26-0698 | 05/04/2026 | N/A | 421 Lone Oak Rd | 1180 Square Feet |
| B26-1057 | 07/01/2026 | N/A | 720 Bramhall St | 749 Square Feet |
| B26-1072 | 07/02/2026 | N/A | 720 Bramhall St | 499 Square Feet |
UNDER CONSTRUCTION
| Permit Number | Application Date | Approved Date | Issued Date | Location | Unit Size |
|---|---|---|---|---|---|
| B22-1300 | 05/23/2022 | 05/15/2024 | 06/26/2024 | 1015 Natwick Way | 600 Square Feet |
| B22-3192 | 12/28/2022 | 10/24/2023 | 10/24/2023 | 717 Dainty Ave | 997 Square Feet |
| B24-0280 | 02/29/2024 | 09/25/2024 | 09/25/2024 | 16 Dove Ct | 997 Square Feet |
| B24-0636 | 04/29/2024 | 07/02/2024 | 07/22/2024 | 717 Dainty Ave | 492 Square Feet |
| B24-0991 | 06/18/2024 | 08/12/2025 | 08/27/2025 | 191 Sunrise Dr | 746 Square Feet |
| B25-0031 | 01/08/2025 | 04/20/2026 | 04/21/2026 | 171 Kayla Pl | 480 Square Feet |
| B25-0032 | 01/08/2025 | 04/20/2026 | 04/21/2026 | 175 Kayla Pl | 359 Square Feet |
| B25-0656 | 04/25/2025 | 07/14/2025 | 07/14/2025 | 632 Ward Creek Ct | 580 Square Feet |
| B25-2227 | 12/01/2025 | 04/09/2026 | 04/09/2026 | 2915 Spanish Bay Dr | 635 Square Feet |
| B26-0259 | 02/12/2026 | 05/27/2026 | 06/03/2026 | 359 Cheshire Dr | 435 Square Feet |
| B26-0466 | 03/19/2026 | 06/09/2026 | 06/22/2026 | 633 Third St | 749 Square Feet |
| B26-0487 | 03/25/2026 | 06/17/2026 | 06/17/2026 | 339 Torrington Dr | 400 Square Feet |
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