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21930 SE 311th Court, 
Black Diamond, WA 98010

$1,850,000

4

Beds

5

Baths

5,626

Sq Ft

Single Family

Pending

Listed by

Viet Nguyen

, 

Ronny Wilson

Icon Group

Last updated:

July 22, 2026, 12:04 PM

MLS#

2548427

Source:

NWMLS

About This Home

21930 SE 311th Court

Welcome to The Reserve at Lake Sawyer—an exceptional gated estate where privacy, luxury, and versatility come together on 1.36 secluded acres. This exceptional 5,626 sq. ft. custom basement rambler offers the perfect balance of luxury, everyday comfort, and flexible living spaces designed for today's lifestyle. A standout feature is the fully self-contained, ±775 sq. ft. ADU with its own private entrance—ideal for multigenerational living or long-term guests. Designed for exceptional indoor-outdoor living, the backyard creates a private resort experience featuring a covered outdoor kitchen complete with a premium built-in gas grill and built-in pizza oven, creating the perfect setting for year-round entertaining. Relax and recharge in the swim spa and hot tub, then unwind with your favorite vintage in the home's private wine cellar. Whether hosting unforgettable gatherings or enjoying quiet evenings surrounded by nature, this remarkable estate offers a lifestyle that is as luxurious as it is inviting.

Home Facts

Single Family

5 Baths

4 Bedrooms

Built in 2008

Price Summary

1,850,000

$328 per Sq. Ft.

MLS #:

2548427

Last Updated:

July 22, 2026, 12:04 PM

Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

5

Full Bathrooms:

3

Interior

Living Area:

5,626 Sq. Ft.

Structure

Structure

Architectural Style:

Craftsman

Building Area:

5,626 Sq. Ft.

Year Built:

2008

Lot

Lot Size (Sq. Ft):

59,445

Finances & Disclosures

Finances

Price:

$1,850,000

Price per Sq. Ft:

$328 per Sq. Ft.

MLS Logo
Listings courtesy of Northwest MLS as distributed by MLS GRID. Based on information submitted to the MLS GRID as of July 23, 2026. 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. Listing information is provided for consumers' personal, non-commercial use, solely to identify prospective properties for potential purchase; all other use is strictly prohibited and may violate relevant federal and state law. Information deemed reliable but not guaranteed. Copyright © 2026 MLS GRID. All Rights Reserved.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.