City program

Pre-Approved ADU Plans in Kirkland, Washington

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

Program status: source-backed listings Last checked Aug 12, 2026

Program Overview

This Kirkland page summarizes source-backed pre-approved ADU plan listings for Kirkland, Washington, using official records tied to City of Kirkland and CAST architecture. The current public dataset lists 4 accepted plans from 3 providers; provider names include CAST Architecture, Ahouse Studio, and Fivedot Architects. Accepted listings include plans that originate from Kirkland, King County, Washington, USA and Seattle, King County, Washington, USA, so verify whether cross-jurisdiction acceptance is still current. Plan records cover 997 to 1,000 sq ft and 2 bedrooms to 3 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 2 fee records for Kirkland. Permit requirement records include Designer licensing and adaptation and Local permit review. Fee records include Plan license and Permit and professional fees. 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
Kirkland, King County, Washington, USA
Accepted plans
4 accepted plans
Providers
3 providers
Origin programs
2 programs
Plan size range
997 to 1,000 sq ft
Permit sources
5 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

4 plans

Permit Requirements

2 requirements

Fees

2 fee records

Official Sources

5 sources

Kirkland ADU FAQ

6 answers

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

Yes. The current Kirkland, Washington page lists 4 accepted plans from 3 providers in the source-backed export.

What ADU plan sizes are listed for Kirkland?

The listed Kirkland plan records range from 997 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 Kirkland ADU plan records come from?

They are tied to 5 official sources in this page's source set, including City of Kirkland and CAST architecture. Each plan, fee, and permit note should still be checked against the linked official source before use.

Can King County or nearby city ADU plans be used in Kirkland?

This page includes plans accepted for Kirkland that originated in Seattle. That does not mean every King County or nearby city plan applies in Kirkland; rely on the accepted-plan record and official source link for each listing.

Do pre-approved ADU plans guarantee permits in Kirkland?

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

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