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.
Pending
Listed by: Icon Group • Viet Nguyen
$1,850,000
21930 SE 311th Court, Black Diamond, WA 98010
5beds
5,626sqft
:
Get pre-qualified$10,996/mo
Single Family Residence
Built in 2008
1.36 Acres Lot
$1,807,100 Zestimate®
$329/sqft
$108/mo HOA
What's special
- 22 days |
- 747 |
- 46 |
Zillow last checked:
Listing updated:
Listed by:
Viet Nguyen,
Icon Group,
Ronny Wilson,
Icon Group
Source: NWMLS as distributed by MLS GRID,MLS#: 2548427
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 6
- Full bathrooms: 4
- 3/4 bathrooms: 1
- 1/2 bathrooms: 1
- Main level bathrooms: 3
- Main level bedrooms: 3
Bedroom
- Level: Main
Bedroom
- Level: Main
Bedroom
- Level: Main
Bedroom
- Level: Lower
Bathroom full
- Level: Lower
Bathroom full
- Level: Main
Bathroom full
- Level: Main
Bathroom three quarter
- Level: Lower
Other
- Level: Main
Den office
- Level: Main
Den office
- Level: Lower
Dining room
- Level: Main
Dining room
- Level: Lower
Family room
- Level: Lower
Kitchen with eating space
- Level: Main
Kitchen with eating space
- Level: Lower
Living room
- Level: Main
Living room
- Level: Lower
Utility room
- Level: Lower
Utility room
- Level: Second
Heating
- Fireplace, Forced Air, Electric, Natural Gas
Cooling
- Forced Air
Appliances
- Included: Dishwasher, Disposal, Dryer, Microwave, Refrigerator, Stove(s)/Range(s), Tankless Water Heater, Trash Compactor, Washer, Dishwasher(s), Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Washer(s), Water Heater: Tankless, Water Heater Location: Garage
Features
- Ceiling Fan(s), Dining Room
- Flooring: Hardwood, Laminate, Carpet
- Doors: French Doors
- Basement: Finished
- Number of fireplaces: 4
- Fireplace features: Electric, Gas, Lower Level: 2, Main Level: 2, Fireplace
Interior area
- Total structure area: 5,626
- Total interior livable area: 5,626 sqft
Property
Parking
- Total spaces: 6
- Parking features: Attached Garage
- Has attached garage: Yes
- Covered spaces: 3
- Uncovered spaces: 3
Features
- Levels: One
- Stories: 1
- Patio & porch: Second Kitchen, Ceiling Fan(s), Dining Room, Fireplace, Fireplace (Primary Bedroom), French Doors, Security System, Vaulted Ceiling(s), Walk-In Closet(s), Water Heater, Wine Cellar
- Has spa: Yes
Lot
- Size: 1.36 Acres
- Features: Secluded, Cable TV, Deck, Electric Car Charging, Fenced-Partially, Gas Available, Gated Entry, Hot Tub/Spa, Patio, Sprinkler System
Details
- Additional structures: ADU Beds: 1, ADU Baths: 1
- Parcel number: 5416300180
- Zoning: RA5
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Craftsman,1 Story w/Bsmnt.
- Property subtype: Single Family Residence
Materials
- Cement Planked, Wood Siding, Wood Products, Cement Plank
- Foundation: Poured Concrete
- Roof: Composition
Condition
- Year built: 2008
- Major remodel year: 2008
Utilities & green energy
- Electric: Company: Puget Sound Energy
- Sewer: Septic Tank, Company: Septic
- Water: Public, Company: Covington Water District
- Utilities for property: Xfinity, Xfinity
Community & HOA
Community
- Features: CCRs, Gated
- Security: Security System
- Subdivision: Lake Sawyer
HOA
- Services included: Common Area Maintenance, Road Maintenance
- HOA fee: $108 monthly
Location
- Region: Black Diamond
Financial & listing details
- Price per square foot: $329/sqft
- Tax assessed value: $1,544,000
- Annual tax amount: $16,062
- Date on market: 7/16/2026
- Cumulative days on market: 16 days
- Listing terms: Conventional,FHA,VA Loan
- Inclusions: Dishwasher(s), Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Stove(s)/Range(s), Trash Compactor, Washer(s)
Estimated market value
$1,807,100
$1.72M - $1.90M
$6,131/mo
Price history
| Date | Event | Price |
|---|---|---|
| 7/22/2026 | Pending sale | $1,850,000$329/sqft |
Source:  NWMLS as distributed by MLS GRID #2548427 Report a problem | ||
| 7/9/2026 | Listed for sale | $1,850,000+460.6%$329/sqft |
Source: NWMLS as distributed by MLS GRID #2548427 Report a problem | ||
| 5/25/2007 | Sold | $330,000$59/sqft |
Source: NWMLS as distributed by MLS GRID #27025923 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $17,203 +7.1% | $1,544,000 +2.2% |
| 2024 | $16,062 +2.9% | $1,511,000 +10.1% |
| 2023 | $15,609 +0.6% | $1,372,000 -1.2% |
| 2022 | $15,523 +10.9% | $1,388,000 +24.9% |
| 2021 | $13,991 +14.3% | $1,111,000 +22.8% |
| 2020 | $12,235 +0.4% | $905,000 -2% |
| 2019 | $12,184 +8.6% | $923,000 +3.9% |
| 2018 | $11,223 -4.2% | $888,000 +5.1% |
| 2017 | $11,719 +12.5% | $845,000 +6.4% |
| 2016 | $10,418 | $794,000 +6.3% |
| 2015 | $10,418 | $747,000 +9.7% |
| 2014 | $10,418 | $681,000 |
| 2013 | $10,418 | $681,000 +19.3% |
| 2012 | -- | $571,000 -8.6% |
| 2011 | -- | $625,000 -20.7% |
| 2010 | -- | $788,000 |
| 2009 | -- | $788,000 +296% |
| 2007 | -- | $199,000 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: 98010
Nearby schools
GreatSchools rating
- 8/10Sawyer Woods Elementary SchoolGrades: PK-5Distance: 0.5 mi
- 4/10Cedar Heights Middle SchoolGrades: 6-8Distance: 2.7 mi
- 5/10Kentlake High SchoolGrades: 9-12Distance: 0.6 mi
Schools provided by the listing agent
- Elementary: Sawyer Woods Elem
- Middle: Cedar Heights Jnr Hi
- High: Kentlake High
Source: NWMLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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