Contra Costa County ADU Building Regulations

///Contra Costa County ADU Building Regulations
Contra Costa County ADU Building Regulations2018-09-14T10:05:16+00:00

Can you build an ADU on your Contra Costa County property?

Once you have decided what type of ADU you would like, before you do anything else, you should research local authority ADU regulations online and visit your local authority Planning & Building Department. Links to city and county ADU regulations are below. Arrange for a meeting at the Department or visit during times that they are available for over the counter discussions.

Brentwood Accessory Dwelling Units – ADUs

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The City of Brentwood has adopted a Municipal Code to cover ADUs (17.100.005 Accessory Dwelling Units) An accessory dwelling unit is an attached or detached residential dwelling unit which provides complete independent living facilities. It includes permanent provisions for living, [...]

Concord City Accessory Dwelling Units – ADUs

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Concord Municipal Code see 18.200.180 Accessory Dwelling Units Extract: Accessory Dwelling Unit Regulations. 1. Allowed Use. Accessory dwelling units are allowed in all single-family residential (RR, RS) districts, low density residential districts (RL), and other districts where a legal detached single-family [...]

Danville Accessory Dwelling Units – ADUs

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An accessory dwelling unit (ADU) is an attached or detached residential unit that provides complete independent living facilities with accommodations for a kitchen, living, sleeping, eating, and bathroom on the same parcel as the primary residence. Accessory dwelling units are [...]

Lafayette Accessory Dwelling Units – ADUs

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Lafayette Municipal Code, Chapter 6-5, Article 3 covers ADUs. Extract: An accessory dwelling unit shall comply with all of the following development standards: (a) Maximum Unit Size. The living area of an attached accessory dwelling unit shall not exceed 50 percent [...]

Martinez Accessory Dwelling Units – ADUs

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In its Housing Element Report for 2015-2023, Program 26 is listed "Encourage Second Units." "The City will continue to allow secondary dwelling units ("granny flats") in all residential zones, subject to specific development standards and requirements." However, the City has not [...]

Oakley Accessory Dwelling Units – ADUs

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Oakley has adopted section 9.1.1102 Accessory Dwelling Units (ADU), in its Municipal Code Extract: Development Standards. All accessory dwelling units shall comply with the following development standards: 1)    Except as otherwise provided by this section, the accessory dwelling unit satisfies lot size, lot width, lot [...]

Orinda Accessory Dwelling Units – ADUs

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The City of Orinda has a webpage describing its ADU Regulations which are covered in Ordinance 17-03 see website Extract: How is Orinda dealing with ADUs? Rather than continue to rely on the ADU Statute, which contains relatively minimal standards, [...]

Richmond Accessory Dwelling Units – ADUs

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Richmond refers to ADUs as "Second Dwelling Units." Details are given in Section 15.04.810 of their Municipal Code. Extract: A second dwelling unit is an attached or detached residential dwelling unit which provides complete independent living facilities for one or [...]