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Sidney Mitchell, CAM

Senior Community Manager

Museum House

Parent Company

Photo of Museum House

Museum House

707 Terry Ave Atten: Leasing Office
Seattle, WA 98104 (206) 556-5216

Property Member

Contact

600 Southwest 39th St
Suite 220
Renton, WA 98057

(425) 656-9077

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Who We Are

The Washington Multi-Family Housing Association (WMFHA) is the Washington State chapter of the National Apartment Association. We are a collective of 204 property management companies and owners of multifamily properties, representing more than 372,000 apartment homes across Washington State. Our membership includes 2,486 apartment communities and 425+ industry supplier companies, all working together to promote, support, and advance the multifamily housing industry in Washington.

Federated with:

Association Management Software

Copyright © 2026 - Washington Multi-Family Housing Association. Legal

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Membership & Account Access

Is Your Company a Member?

If you are an employee of a WMFHA member company, we invite you to set up an online account to:

Access the Member Directory
Register for Events
Register for Classes
View & Pay Invoices
...and more!

Create an Account

Applying for Membership?

The members of WMFHA invite and encourage you to join! By working together, we can achieve our mission to maintain and enhance our industry as a whole.

All memberships are company based and individuals cannot join WMFHA.

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