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Seattle detached ADU design specialists
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Seattle's leader in detached ADU design and permitting. Sign up for for information or to attend an upcoming open house.

DADU open house - Tuesday June 4th, 5-7 pm

May 30, 2024

This just completed DADU in Seattle’s Ravenna Neighborhood is 1,334 sq. ft. and features 3 bedrooms and 3 baths. The DADU is being sold as a condo and expected to sell for over 1 M dollars.

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Tags seattle dadu, dadu, adu, seattle adu

A DADU built for sale as a condominium - the owners retained ownership of the primary residence

Will 2024 be another banner year for ADU construction?

January 10, 2024

Why build an ADU now? A record number of AADUs and DADUs were built in Seattle in 2023, 40% more than in 2022. Will 2024 be another banner year for ADU construction?

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Tags family adu, adu design, dadu design, microhouse, seattle adu, detached accessory dwelling unit, attached accessory dwelling unit, adu cost, dadu cost
1,440 SQ. FT. DADU WITH GARAGE

How much does it cost to build a DADU in Seattle in 2024?

December 4, 2023

What will it cost to build a DADU in 2024?

The cost to build an ADU will likely decrease next year based on a number of predicting factors.

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Tags How much does it cost to build a DADU in Seattle, seattle DADUs, seattle adu, dadu seattle, microhouse, dadu construction costs, adu cost, dadu cost

The owner built ADU - watch the video

September 27, 2023

Can I build an ADU? It is a lot of work, but many of our clients do just that and have a good time doing it. Watch a video about a couple who built their own ADU being creative and saving money.

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Tags fremont adu, adu seattle, seattle adu, microhouse, owner built adu

ADU open house - September 15th 3-6 pm.

September 6, 2023

This design for this detached ADU started with a vacant lot and a dream

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Tags adu, seattle adu, dadu, adu permit, adu permitting, adu open house

Sales price is a reasonable proxy for ADU value and value for our clients is what we strive to achieve

SEATTLE PRE-APPROVED DADU PLANS - A STORY OF 2 DADUS

June 5, 2023

Data from the City of Seattle shows that about 10% of DADU permits are from pre-approved plans. Pre-approved DADU plans have a fixed low price and some permit approvals in place. That sounds good, but this case study helps illustrate why custom designs work better for the majority of those choosing to build DADUs.

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Tags dadu, adu, pre-approved plans, adu plans, adu permit, seattle, seattle adu, seattle dadu, seattle pre-approved dadu, pre-approved dadus

ADU open house Wednesday June 14th

May 8, 2023

Our next open house will be Wednesday, June 14th, 3-5 pm

Continuing the trend of detached ADUs with garages will be the feature of our next open house. This DADU features a kitchen and living rooms in addition to the 3 bedrooms and 2 baths and garage. Why are garages becoming so popular for Seattle ADUs? The 2019 code changes exclude garages from the 1,000 sq. ft. allowable size. When every square inch counts the ability to add a garage is hard to resist even if it is only intended to be used as storage.

Contact us for further details about this DADU and the open house.

Tags seattle adu, detached adu, ADU open house, dadu open house, microhouse

statewide ADU reform today - HB 1337

January 23, 2023

This Seattle ADU serves as ballet studio, neighborhood gathering place, and has an apartment above.

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Tags seattle ADUs, seattle adu, dadu, bryant, microhouse, ADU

Latest Posts

Featured
GREENLAKE DADU.jpg
March 16, 2026
DADU OPEN HOUSE - MARCH 26TH 4-6 PM
March 16, 2026
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March 16, 2026
BROADVIEW DADU 1.jpg
August 3, 2025
DADU OPEN HOUSE
August 3, 2025

Curious about the current zoning code changes? Now that four to six houses are allowed on residential lots why do DADUs remain so popular? Join us at the open house for a discussion.

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August 3, 2025
tangletown-exterior-1-SQ.jpg
May 11, 2025
TANGLETOWN DADU FOR SALE
May 11, 2025

This DADU was selected for the AIA DADU tour in 2019. It dates back to a time when the allowable height and size for DADUs in Seattle was much smaller. This DADU uses every trick in the book to live large. It features an open floor plan down stairs with exposed concrete floors and exposed joist ceilings. With a bedroom, bath and study on the 2nd floor.

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May 11, 2025
MADISON VALLEY OPEN HOUSE - THURSDAY APRIL 10TH 4:30-6:30 PM
April 3, 2025
MADISON VALLEY OPEN HOUSE - THURSDAY APRIL 10TH 4:30-6:30 PM
April 3, 2025

In 2014 Austin and Patti created this wonderful house together, stripped down to the essence of what they value most. Their new dream house just happens to be located in the back yard of Austin's long time residence. This cottage lives large, providing an open floor plan with a second floor master suite and office plus a gracious kitchen for Austin, a former restaurateur. A rooftop deck looks out over the treetops giving a sense of connection to the outdoors where they are often to be found biking, skiing, or kayaking. Fast forward to today and they are moving full time into a cabin we designed with them in Mazama and selling their Seattle DADU. As a result we have an opportunity to show off this lovely home.

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April 3, 2025
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December 19, 2024
NORTH BEACH DADU OPEN HOUSE SATURDAY DECEMBER 21ST
December 19, 2024

Are you thinking about adding a DADU in the new year? Join us for one of two open houses, dates and times still being worked out but tentatively scheduled for December 20th and January 11th

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December 19, 2024
September 9, 2024
Loyal Heights DADU open house - Thursday 5-7 pm
September 9, 2024
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September 9, 2024
Million Dollar DADU
July 6, 2024
Million Dollar DADU
July 6, 2024

This DADU recently sold for 1.2 Million dollars. What makes it special and what does it say about the Seattle housing market? For starters, that buyers are looking for a house that feels like a home and less like a condo or a townhouse.

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July 6, 2024
DADU open house - Tuesday June 4th, 5-7 pm
May 30, 2024
DADU open house - Tuesday June 4th, 5-7 pm
May 30, 2024

This just completed DADU in Seattle’s Ravenna Neighborhood is 1,334 sq. ft. and features 3 bedrooms and 3 baths. The DADU is being sold as a condo and expected to sell for over 1 M dollars.

Read more →
May 30, 2024
DADU OPEN HOUSE - THURSDAY MAY 2ND 5-7 PM
April 14, 2024
DADU OPEN HOUSE - THURSDAY MAY 2ND 5-7 PM
April 14, 2024

Join us for a unique opportunity to learn about and meet others thinking about building a DADU. This just completed DADU in Seattle’s Green Lake Neighborhood is 1,170 sq ft and features 2 bedrooms and 1.5 baths. Please contact us to RSVP.

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April 14, 2024
DADU builder's open house Tuesday, February 6th
January 30, 2024
DADU builder's open house Tuesday, February 6th
January 30, 2024

Would you like to see a DADU before all of the fancy finish work is done? This DADU is a cousin of one completed last spring in Greenlake which sold for $930,000. The DADU will be open for a limited time Tuesday afternoon. We will have another open house when the DADU is completed and fully staged.

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January 30, 2024