City program

Pre-Approved ADU Plans in Flagstaff, Arizona

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

Program status: source-backed listings Last checked Aug 19, 2026

Program Overview

This Flagstaff page summarizes source-backed pre-approved ADU plan listings for Flagstaff, Arizona, using official records tied to City of Flagstaff. The current public dataset lists 12 accepted plans from 0 providers; provider names are Not listed in source. The accepted listings are tied to the local Flagstaff program. Plan records cover 384 to 1,000 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 public dataset includes 2 permit requirement records and 0 fee records for Flagstaff. Permit requirement records include Same-as site review and Model-plan modifications. Fee records are Not listed in source for this location. 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
Flagstaff, Coconino County, Arizona, USA
Accepted plans
12 accepted plans
Providers
0 providers
Origin programs
1 program
Plan size range
384 to 1,000 sq ft
Permit sources
1 source

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

12 plans

Permit Requirements

2 requirements

Site specific

Same-as site review

Official city source

Required to confirm site fit, height, access, utilities, and development standards.

Last checked
Aug 19, 2026
Notes
A city building permit is still required.

All

Model-plan modifications

Official city source

Changes outside pre-approved options are reviewed as a custom plan.

Last checked
Aug 19, 2026
Notes
Officially listed customization choices were not split into separate plan rows.

Fees

0 fee records

No fee records listed

This location has no fee records in the current public dataset.

Official Sources

1 source

Flagstaff ADU FAQ

6 answers

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

Yes. The current Flagstaff, Arizona page lists 12 accepted plans from 0 providers in the source-backed export.

What ADU plan sizes are listed for Flagstaff?

The listed Flagstaff plan records range from 384 to 1,000 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 Flagstaff ADU plan records come from?

They are tied to 1 official source in this page's source set, including City of Flagstaff. Each plan, fee, and permit note should still be checked against the linked official source before use.

Can Coconino County or nearby city ADU plans be used in Flagstaff?

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

Do pre-approved ADU plans guarantee permits in Flagstaff?

No. A source-backed accepted plan can reduce plan review work, but Flagstaff 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 Flagstaff ADU permit fees and requirements listed?

This page includes 0 fee records and 2 permit requirements for Flagstaff. These are source-backed summaries, not a final permit quote or approval checklist.