Check your property's zoning, browse designs & get contractor estimates for your ADU project:
Last Updated 01/26/21
City Hint: The city has not yet responded to requests for ADU permit volumes for the past year, but they will be provided here once a response has been received.
Number of ADUs allowed:
Under state law, each single-family home may now add at least one Accessory Dwelling Unit. Owner occupied single-family lots may add one Accessory Dwelling Unit and one Junior Accessory Dwelling Unit (JADU). Multi-family lots, per every four existing residential units, may add one Accessory Dwelling Unit, so long as the existing units were legally established.
Types of ADUs allowed:
Detached ADU, Attached ADU, Junior ADU are permitted. Accessory Dwelling Unit (ADU)s may be new construction or converted from existing space. Junior Accessort Dwelling Unit (JADU)s must be converted from existing space.
Single family and multi-family residential parcels will not be subject to the minimum lot size of the underlying zoning district or by ordinance for Accessory Dwelling Unit projects. ~ AB68 & AB881 Update
Single-family and multi-family Lots will be allowed to build up to 850 sq.ft. for a one bed ADU or up to 1,000 sq.ft. for a two bed ADU, regardless of the underlying zoning standards of the property. A JADU up to 500 sq.ft. is allowed. The minimum size of any living unit (including Accessory Dwelling Unit (ADU)s and JADUs) is 150 sq.ft. according to California Residential Code. ~ AB-68
The maximum required setback for a detached new construction ADU shall be no more than 4 ft. from the rear and side property lines. Setbacks will not be required for ADUs and JADUs converted from existing space that was legally eastablished. Attached ADUs and conversions from existing space to be expanded will be required to comply with the setbacks of the underlying zone. ~ AB68 & AB881 Update
Replacement parking shall not apply to properties which convert an existing garage to an Accessory Dwelling Unit or Junior ADU. ~ AB-68
Fire sprinklers will not be required for the ADU unless they are required for the primary dwelling.
Shape, materials and style:
The ADU shall be architecturally compatible with the main unit. Architectural compatibility shall mean that the exterior building materials and architecture of the ADU shall be the same as the materials used in the primary dwelling.
The maximum height of the ADU is determined by the maximum height allowed by the underlying zone.
A request for approval of an ADU shall be made by submitting a site plan review application to the city. The request shall be made by the owner occupant of the dwelling on the lot upon which the accessory dwelling unit will be constructed. Projects shall comply with all the requirements of Section 17.65.020 and the conditions of approval placed on the project through site plan review. (Ord. 3613 § 2, 1994). Architectural compatibility will be evaluated during site plan review. No person shall construct or cause to be constructed any ADU without having first complied with the provisions of site plan review as provided in Chapter 17.08. (Ord. 3835 § 39, 1998; Ord. 3613 § 2, 1994)
Number of Bedrooms:
Not specified by State Standards.
Owner-occupancy will not be required for new Accessory Dwelling Units (conversion and new construction) built between 2020 and 2025. ~ According To SB13
Local health officer approval where a private sewage disposal system is being used, if required. (State requirements)
*** Beginning in 2020, according to state law, all residential zoning districts, including single-family and multi-family, are allowed to build Accessory Dwelling Units. ***
The second unit shall conform to the construction requirements of the Building Code as adopted by the city.
Residential Building Code:
The California Building Code (CBC) 2019 is adopted.
ADU Design Library
Browse hundreds of models to find the right fit for your property.
ADU Model 364 sqft
W 26 ft L 14 ft
ADU Model 600 sqft
W 30 ft L 20 ft
ADU Model 536 sqft
W 30 ft L 22 ft
"Housable has been a great resource regarding my ADU project. I purchased both the Property and Design Reports. In both cases, they delivered as promised and on time."Ed in Corona, CA
"The property report was great! Made me feel like my project is feasible."Alexandria in Santa Ana, CA
"My experience with Housable was exceptional. The team was extremely helpful and responsive. I am very satisfied and happy to have used these services. As a home owner I do not know the construction lingo or process but the Housable team very kind and helpful and patient with me. My expectations were exceeded. Thank you for everything."Monica H. in Oakland, CA
"My permits were APPROVED, thank you for all your hard work. I am in the process of meeting with contractors. "Mary S. in San Jose, CA
"I just wanted to let you know that the permit process has been completed and we are currently in the construction phase. The work you guys did was great and I will definitely be using this service again in the future. I will keep you guys updated on anything important. Thanks!"Patrick L. in Orange County, CA
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* upon completion of ADU
CONSTRUCTION COST ESTIMATE
* based on local average price per sqft
SELECT ADU SIZE & TYPE
Size: 500 sqft
Appreciation Estimate = (Base Value: $) / (Home's Living Space: sqft) * (ADU's Living Space: sqft)
Rental Estimate = (Rent Per Sqft: $1.65) * (ADU's Living Space: sqft)