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  • Real Property Associates, Inc.
    7500 Roosevelt Way NE
    Seattle, Washington 98115
    (206) 523-0300
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Northwest Multiple Listing Service

The information contained in this listing has not been verified by Northwest Multiple Listing Service (NWMLS) - WA and should be verified by the buyer.

Based on information submitted to the MLS GRID as of 2026-09-11 06:45:58. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.


IDX information is provided exclusively for consumers’ personal noncommercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, that the data is deemed reliable but is not guaranteed by MLS GRID.

The database information herein is provided from and copyrighted by the Northwest Multiple Listing Service (NWMLS). NWMLS data may not be reproduced or redistributed and is only for people viewing this site. Listings that feature the "three tree" icon are provided courtesy of NWMLS. All information provided is deemed reliable but is not guaranteed and should be independently verified. All properties are subject to prior sale or withdrawal. All rights are reserved by copyright.

Copyright 2024 Northwest Multiple Listing Service. All rights reserved.

DADU's in Seattle

Looking to buy, sell, or learn more about DADUs?

Connect With an Expert Now

So, What Exactly is a DADU?

A DADU (detached accessory dwelling unit), also commonly known as a mother-in-law unit or a backyard cottage, are detached residential structures. They have grown in popularity in the Seattle area as the city has changed their zoning rules to allow for increased density to help combat the shortage of housing.

Why have they become so popular?

  • ​Increase the property value for homeowners
  • Additional income
  • Generational living

Looking to build your own DADU? Learn More.

    Why Are They Being Called Condos?

    • • WA State Condo Act (RCW 64.34), any property owner can create a condominium on their property per the guidelines.
    • • Condo creation happens at the county level.
    • • A condo plat is recorded and creates property boundaries - similar to a short plat
    • • Allows for the original house and a DADU to be sold separately.

    Past Projects

    Check out our previous transactions below:

    Details

    8024 14th Avenue NE Seattle, WA 98115

    1095 sqft | 2 beds | 2.25 baths

    Details

    1820 NE 55th Street Seattle, WA 98105

    1098 sqft | 3 beds | 1.75 baths

    Details

    8706 1st Ave NW Seattle, WA 98117

    1024 sqft | 2 beds | 2.25 baths

    Details

    1029 NE 96th St Unit #B Seattle, WA 98115

    1010 sqft | 3 beds | 1.75 baths

    Details

    107 NW 140th St Seattle, WA 98177

    1033 sqft | 2 beds | 2.25 baths

    Details

    3749 B SW Monroe St Seattle, WA 98126

    1061 sqft | 2 beds | 1.75 baths

    Details

    815 N 109th St Seattle, WA 98133

    1093 sqft | 2 beds | 2.25 baths

    Details

    2118 N 90th St Unit #B Seattle, WA 98103

    1037 sqft | 2 beds | 2.25 baths

    Details

    6412 Linden Ave N Seattle, WA 98103

    907 sqft | 2 beds | 1.75 baths

    Details

    7510 9th Ave NW Unit #B Seattle, WA 98117

    940 sqft | 2 beds | 1.75 baths

    Details

    622 N 60th St Unit #B Seattle, WA 98103

    992 sqft | 2 beds | 1.5 baths

    Details

    3015 NE 85th St Unit #B Seattle, WA 98115

    992 sqft | 2 beds | 2 baths

    Details

    5611 Kensington Place N Unit #B Seattle, WA 98103

    975 sqft | 2 beds | 1.5 baths

    Details

    6754 19th Ave NW Unit #B Seattle, WA 98117

    872 sqft | 2 beds | 1.5 baths

    Featured Agents

    Sarah McCormick
    Sarah McCormick

    Real Estate Agent

    As a Seattle native, I take great pride in helping others find their home in this beautiful city. Whether you're buying or selling, I understand that the process can be daunting, and my goal is to ensure that my clients feel confident and supported throughout the entire journey. I am committed to empowering my clients to make informed decisions, and I always put their best interests first. My top priority is to ensure that my clients have a positive and fulfilling experience, whether they're searching for their dream home or selling their current one. When I'm not working, you can find me enjoying the outdoors by skiing, tending to my vegetable garden, or taking my dog for a walk around Carkeek. My husband is also in the home building industry, and we make a dynamic team that is passionate about helping other succeed in real estate. Whether you're considering buying or selling a property, I am always available to answer any questions you may have and help guide you towards success. You can reach me on my cell at 206.660.4203 or via email, smccormick@rpare.com.
    (206) 660-4203 smccormick@rpare.com
    Andrew Knutzen
    Andrew Knutzen
    Andrew is an investor, advisor, and real estate agent helping clients leverage real estate to realize their dreams. He brings his personal investing experience to help clients navigate the difficult process of finding the right home or investment property. In addition to his business adventures you're likely to find him in a remote corner of the state flying his paraglider, on a ski trip in Japan or summiting a mountain. Life is so rich.
    (206) 412-8001 aknutzen@rpare.com
    Brady McMullin
    Brady McMullin

    Real Estate Agent

    As a life long Seattleite, I understand what makes our great city attractive and a terrific place to live, work and play. If you are newly moving to Seattle or lived here decades, I look forward to using my experience in buying, selling, building and remodeling in your next search for a home. Making that process go smoothly is my top priority. I live in NE Seattle with my wife and two kids. I volunteer as Director for District 2 for Washington Junior Golf Association during summers. 206-914-2259 is the number to talk or text and bmcmullin@rpare.com is email. I would love to be your agent!
    (206) 914-2259 bmcmullin@rpare.com
    Ryker Young
    Ryker Young

    Real Estate Agent

    Born the same year RPA incorporated with my dad as a co-founder, you could say I’ve been with RPA for life! My actual real estate career began in 2012, helping purchase distressed property at foreclosure auctions. Currently, I help run a real estate investing and construction company that focuses primarily on the acquisition, rehab, and sale/rent of single-family homes in the Sno/King/Pierce region. In addition, I am a licensed realtor that has helped many families, estates, and builders buy and sell real property in the PNW.
    (206) 523-0300 ryker@rpare.com
    Jenny Bouffiou
    Jenny Bouffiou
    I understand being a home seller or a home buyer can be stressful and challenging to navigate in the real estate market. There are so many details, timelines, & negotiations involved that are not a part of your everyday life and you need an experienced agent to represent you. It is my job as your Agent to stay current and knowledgeable about the market, the contracts and the terms that will help me guide you to a successful outcome. As your Real Estate Agent: • It is my goal to find the best fit for your lifestyle, I believe the focus should be on you • You will always have a direct line to me, communication is at my core • Trust that I will always keep your best interests at heart I was born and raised in Lake Forest Park. My husband and I bought our first home here in 1992 and chose to raise our children here because of its highly rated schools, strong sense of community and proximity to a variety of outdoor activities. I have enjoyed working with buyers and sellers throughout the Puget Sound area. You can count on me to be: • Highly organized • Punctual • Great at communicating • Quick to respond • Committed to high quality customer service • Focused on my client's best interests Looking forward to the opportunity to work with you and I always welcome your calls.
    (206) 902-7161 jbouffiou@rpaseattle.com
    5

    BE GUIDED BY TOP-TIER PROFESSIONALS FROM A-TO-Z

    Thinking About Buying or Selling a DADU in Seattle?

    As with any real estate endeavor, it is crucial to have a real estate expert on your side to help guide you to success. When buying or selling a DADU it is especially advantageous to have someone on your team that has the knowledge and experience to help you through the transaction smoothly. Our team has sold and purchased dozens of DADUs in the Seattle area, and are ready to help you make your experience easy and stress-free.

    Contact us for more information!

    Our agents are experienced in buying and selling DADUs in Seattle. If you have questions or need support, don’t hesitate to reach out. Please fill out the form below and one of our qualified agents will be in contact.

    Thanks!

    We have your information, we will reach out as soon as possible to meet your needs!

    Explore DADUs for Sale in Seattle Now

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