ADU Design Drawings · Washington

ADU Permit Drawings
for Every Washington City

Permit-ready architectural drawings engineered for Washington's building codes, local zoning requirements, and building department standards. From $997 — 10 business day turnaround.

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Cities Available

$997

Starting Price

10 Days

Turnaround

14-Day

Money-Back

Washington Cities

Select Your City

Each page includes city-specific permit data, regulations, construction costs, and neighborhood analysis.

Why Build With A Plan

Permit-Ready Drawings for Washington

Code-Compliant by Default

Every drawing set is engineered to Washington's state building code and the local requirements of your city's building department.

10 Business Day Turnaround

Permit-ready drawings in 10 business days. Faster than any local firm — without sacrificing accuracy or completeness.

First-Submittal Accuracy

Our sets are designed to pass plan check on the first cycle. Complete site plans, elevations, structural details, and energy compliance documentation included.

Starting at $997

Professional permit drawings from $997 — compared to $3,000–$8,000 from a local architect. Same quality, fraction of the cost.

14-Day Money-Back Guarantee

If you're not completely satisfied with the drawings, we'll refund your payment in full within 14 days.

All Project Types

Detached ADUs, garage conversions, Junior ADUs (JADUs), attached additions, and custom home additions — all covered.

From the Blog

Washington ADU Resources

ADU Fundamentals What Is an ADU? The Complete Guide to Accessory Dwelling Units (2026) An accessory dwelling unit (ADU) is a second, legal home built on the same lot as your primary residence. Learn the 5 types, verified 2026 state laws (CA SB 1211/AB 1033, WA HB 1337, AZ HB 2720), real construction costs ($40k–$400k+), permits, and financing options. Read article → ADU Fundamentals Granny Flat: The Complete Guide A granny flat is the informal name for an ADU: a self-contained secondary home on your lot. Here is what it means, what it costs in 7 states, and how to build one. Read article →

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Ready to Build in Washington?

Permit-ready drawings from $997. 10 business day turnaround. Engineered for Washington's building codes.

Get My ADU Drawings →

ADU Permit Drawings for Every Washington City

Select Your City

Seattle

Spokane

Tacoma

Vancouver

Bellevue

Kent

Everett

Renton

Spokane Valley

Federal Way

Yakima

Bellingham

Kirkland

Auburn

Kennewick

Pasco

Lakewood

Redmond

Sammamish

Marysville

Lacey

Richland

Shoreline

Olympia

Burien

Bothell

Puyallup

Lynnwood

Edmonds

Bremerton

Lake Stevens

Issaquah

Mount Vernon

Longview

Wenatchee

Pullman

Walla Walla

University Place

Des Moines

SeaTac

Maple Valley

Camas

Tumwater

Moses Lake

Mercer Island

Bainbridge Island

Oak Harbor

Kenmore

Bonney Lake

Tukwila

Mountlake Terrace

Mukilteo

Covington

Arlington

Mill Creek

Monroe

Port Angeles

Centralia

Ellensburg

Anacortes

Aberdeen

Port Orchard

Washougal

Snoqualmie

Woodinville

Permit-Ready Drawings for Washington

Washington ADU Resources

Ready to Build in Washington?

ADU Permit Drawings
for Every Washington City