City program

Pre-Approved ADU Plans in Chico, California

Browse official and accepted pre-approved ADU plans for Chico, 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 Chico page summarizes source-backed pre-approved ADU plan listings for Chico, California, using official records tied to City of Chico. The current export lists 14 accepted plans from 1 provider; provider names include Jackson & Sands Engineering, Inc.. The accepted listings are tied to the local Chico program. Plan records cover 496 to 749 sq ft and 1 bedroom 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 2 permit requirement records and 1 fee record for Chico. Permit requirement records include Submittal set and Private utilities. Fee records include Plan use fee. 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
Chico, Butte County, California, USA
Accepted plans
14 accepted plans
Providers
1 provider
Origin programs
1 program
Plan size range
496 to 749 sq ft
Permit sources
2 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

14 plans

Permit Requirements

2 requirements

City plan users

Submittal set

Official city source

Building plans, site plan, energy compliance/site planning, and sewer permitting remain required.

Last checked
Jul 28, 2026
Notes
Not listed in source

Affected City parcels

Private utilities

Official city source

Septic or well proposals require Butte County Environmental Health coordination.

Last checked
Jul 28, 2026
Notes
Not listed in source

Fees

1 fee record

Official Sources

2 sources

Chico ADU FAQ

6 answers

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

Yes. The current Chico, California page lists 14 accepted plans from 1 provider in the source-backed export.

What ADU plan sizes are listed for Chico?

The listed Chico plan records range from 496 to 749 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 Chico ADU plan records come from?

They are tied to 2 official sources in this page's source set, including City of Chico. Each plan, fee, and permit note should still be checked against the linked official source before use.

Can Butte County or nearby city ADU plans be used in Chico?

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

Do pre-approved ADU plans guarantee permits in Chico?

No. A source-backed accepted plan can reduce plan review work, but Chico can still require site-specific review, zoning checks, fees, utility coordination, and current code compliance. This page lists 2 permit requirements to help flag items to verify with the local building department.

Are Chico ADU permit fees and requirements listed?

This page includes 1 fee record and 2 permit requirements for Chico. These are source-backed summaries, not a final permit quote or approval checklist.