City program

Pre-Approved ADU Plans in Concord, California

Browse official and accepted pre-approved ADU plans for Concord, California. Compare plan size, bedrooms, providers, approval status, official source links, permit requirements, and fees.

Program status: source-backed listings Last checked Jul 28, 2026

Program Overview

This Concord page summarizes source-backed pre-approved ADU plan listings for Concord, California, using official records tied to City of Concord. The current export lists 6 accepted plans from 1 provider; provider names include RRM Design Group. The accepted listings are tied to the local Concord program. Plan records cover 205 to 874 sq ft and studio to 2 bedrooms where those fields were listed by the source.

Permit and fee context is kept separate from plan acceptance. The data export includes 18 permit requirement records and 13 fee records for Concord. Permit requirement records include Site-specific site plan review, Planning consultation, and others. Fee records include City-provided plan purchase or license fee, Site-specific plan review, and others. When a source did not publish a value, the page keeps that field as Not listed in source instead of filling a blank.

Use these listings as a starting point for matching a plan to a property. Source links, checked dates, acceptance notes, and provider records are shown so you can verify whether a plan remains accepted locally, what site-specific review remains, and whether local fees, plan licensing, or provider terms apply. A listing in this directory does not guarantee permit approval for a specific parcel.

Summary

Location
Concord, Contra Costa County, California, USA
Accepted plans
6 accepted plans
Providers
1 provider
Origin programs
1 program
Plan size range
205 to 874 sq ft
Permit sources
14 sources

How to use this page

  1. Pick a plan size and bedroom count.
  2. Check whether the plan originated locally or is accepted from another city/county program.
  3. Open the official source.
  4. Confirm current status with the local building department.
  5. Ask the provider what site-specific work, plan licensing, engineering, and utility review are still required.

Accepted Plans

6 plans

Permit Requirements

18 requirements

Plans 5 and 6

Solar photovoltaic system

Government PDF

Plans 5 and 6 require the T24-sized system installed and operating before occupancy; Plans 1–4 are exempt.

Last checked
Jul 28, 2026
Notes
Not listed in source

All

Design modifications

Official city source

Plans may be oriented or mirrored, but design or layout changes require a separate non-expedited alteration permit.

Last checked
Jul 28, 2026
Notes
Not listed in source

Detached

Side and rear setbacks

Official city source

A detached exempt ADU of 800 square feet or less must be set back at least four feet from side and rear property lines.

Last checked
Jul 28, 2026
Notes
Other standards and exceptions may apply; confirm parcel-specific compliance.

All

Short-term rental restriction

Official city source

ADUs and JADUs cannot be rented for fewer than 30 consecutive calendar days.

Last checked
Jul 28, 2026
Notes
Not listed in source

Fees

13 fee records

All city provided plans

City-provided plan purchase or license fee

Official city source

$0

Last checked
Jul 28, 2026
Notes
The plans are free; this does not waive permits, construction, utilities, or professional services.

Official Sources

14 sources

Concord ADU FAQ

6 answers

Does Concord have accepted or pre-approved ADU plans in this directory?

Yes. The current Concord, California page lists 6 accepted plans from 1 provider in the source-backed export.

What ADU plan sizes are listed for Concord?

The listed Concord plan records range from 205 to 874 sq ft. Use the individual plan cards to confirm bedrooms, bathrooms, plan documents, and provider details because some fields are not listed by every official source.

Where do the Concord ADU plan records come from?

They are tied to 14 official sources in this page's source set, including City of Concord. Each plan, fee, and permit note should still be checked against the linked official source before use.

Can Contra Costa County or nearby city ADU plans be used in Concord?

The current Concord records do not show accepted plans from a separate Contra Costa County or nearby city program. Treat outside pre-approved plans as unavailable in Concord unless an official Concord source says they are accepted.

Do pre-approved ADU plans guarantee permits in Concord?

No. A source-backed accepted plan can reduce plan review work, but Concord can still require site-specific review, zoning checks, fees, utility coordination, and current code compliance. This page lists 18 permit requirements to help flag items to verify with the local building department.

Are Concord ADU permit fees and requirements listed?

This page includes 13 fee records and 18 permit requirements for Concord. These are source-backed summaries, not a final permit quote or approval checklist.