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East Bay & Contra Costa County CA ADU Requirements

Back to Chapter 10
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Chapter 11: East Bay & Contra Costa County CA ADU Requirements

This information is deemed to be reliable, however, city requirements can change at any time without notice. We encourage you to always consult with your city directly before commencing any project.

Concord

Concord ADU Guidelines
File Size: 1646 kb
File Type: pdf
Download File

Danville

Danville ADU Guidelines.pdf
File Size: 845 kb
File Type: pdf
Download File

Dublin (coming soon)

Hayward

Hayward_adu_ordinance_handout.pdf
File Size: 328 kb
File Type: pdf
Download File

Hayward_adu_checklist.pdf
File Size: 558 kb
File Type: pdf
Download File

Lafayette

Lafayette ADU Modifications Notice.pdf
File Size: 354 kb
File Type: pdf
Download File

Martinez (coming soon)

Moraga (coming soon)

Oakland (coming soon)

Orinda (coming soon)

Pleasant Hill

Pleasant Hill ADU Guidelines
File Size: 836 kb
File Type: pdf
Download File

San Ramon (coming soon)

Walnut Creek

Walnut Creek ADU Guidelines
File Size: 296 kb
File Type: pdf
Download File

Back to Chapter 10
  • Introduction
  • Chapter 1: What is an ADU?
  • Chapter 2: Are Accessory Dwelling Units a Good Investment?
  • Chapter 3: How to Build a Mother-In-Law House
  • Chapter 4: Why Build an ADU?
  • Chapter 5: Top 3 Ways to Finance Your ADU
  • Chapter 6: Do Cheap Pre Fab Homes Really Pencil Out?
  • Chapter 7: Can ADU Housing Solve the Current Crisis in California?
  • Chapter 8: Mother-In-Law Apartment Floorplans and Design​
  • Chapter 9: How to Choose a Small Home Builder
  • Chapter 10: Cost to Build a Cottage in the Backyard
  • Chapter 11: East Bay & Contra Costa County California ADU City Requirements
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The 2019 Guide to Building an ADU in California
​(Including Financing Options)

For homeowners who want to make the smartest investment when building a backyard cottage, granny flat, accessory dwelling unit, or garage apartment.
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Chapter 01

What is an ADU?​
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Chapter 02

Are Accessory Dwelling Units a Good Investment?
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Chapter 03

How to Build a Mother-In-Law House
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Chapter 04

Why Build an ADU?
​

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Chapter 05

Top 3 Ways to Finance Your ADU Renovation Loan, FHA 203K, & HELOC
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Chapter 06

Do Cheap Pre Fab Homes Really Pencil Out?
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Chapter 07

Can ADU Housing Solve the Current Crisis in California?
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Chapter 08

Mother-In-Law Apartment Floorplans, & Design
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Chapter 09

How to Choose a Small Home Builder
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Chapter 10

Cost to Build a Cottage in the Backyard
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Chapter 11

East Bay & Contra Costa County ADU Requirements

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2019 Guide to Building an ADU
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925-587-5080

Disclosure: Konhoff Company is not a licensed contractor. Konhoff Company does not contract to perform, hire others to perform, or perform itself any actual construction work.
​ADU Financing is offered by Freedomstar Financial, Inc. NMLS # 1439059.

Copyright 2019 - 2020  Konhoff Company | All rights reserved. Icons made by Freepik at www.flaticon.com.

  • Accessory Dwelling Units
    • ADUs
    • ADU Financing
    • Get Started
  • Multi-Family
    • Multi-family Land Acquisition
    • Multi-family Value Add
    • Single Family Homes
  • About
  • Blog