$525,000
3 bd•0.75 ba•1,340 sq ft
31032 228th Avenue SE, Black Diamond, WA 98010
• Listed Sep 4, 2026
RexMont Market Signal for 31032 228th Avenue SE
Sold price on recordRexMont Market Signal $525,000
Closed sale price · as of October 30, 2026, the day it sold.
Market Signal since the sale
$546,547
Likely $470,812 – $660,549 · solid read · as of November 3, 2026
Estimate, not an appraisal.
Information and statistics derived from Northwest Multiple Listing Service. Source: Northwest Multiple Listing Service, as distributed by MLS GRID; King County Assessor records.
Your home value, prepared by the designated broker
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Watching: Black Diamond $420K–$630K · 3+ bd
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Listing Broker: John L. Scott, Inc.; Spencer Gray; 253-222-6048; spencergray@johnlscott.com
Buyer Broker: KW Lake Washington So
About this home
Welcome home to this beautifully maintained, move-in-ready rambler in desirable Black Diamond! Lovingly cared for by its original owners and offered for the first time, this 3-bedroom home offers comfort, flexibility, and an exceptional outdoor lifestyle. Peace of mind comes easy with a completed pre-inspection, plus the septic system has been pumped and inspected. Inside, enjoy hardwood floors in the kitchen and dining area, a cozy wood-burning fireplace with insert, and two mini-split systems for efficient year-round heating and A/C. The spacious bonus room offers flexible space for a home office, media room, hobbies, playroom, gym, or additional living area. The kitchen features a brand-new glass cooktop range and newer appliances, new hot water heater, while the updated bath includes a walk-in shower. Step outside to the covered patio and private, fully fenced backyard. Set on over 1/3 acre, enjoy mature landscaping, above-ground pool, hot tub, storage sheds, and room to garden, play, and entertain. Attached 2-car garage and freshly sealed driveway add convenience. Enjoy Lake Sawyer access for boating, fishing, swimming, and recreation, plus nearby trails. Located just outside the 10 Trails Community, with upcoming retail, dining, and mixed-use space centered around a walkable town center, including the new Ten Trails Safeway. Easy access to Maple Valley and Covington amenities. Pre-inspected, septic pumped and inspected, and ready to welcome you home! MAKE AN OFFER!
Listed by Spencer Gray • John L. Scott, Inc.
Listing updated: November 1, 2026 at 08:38pm
RexMont checked: moments ago
Source: NWMLS as Distributed by MLS Grid #2578329
Around this home
Property details
Interior features
- Bath Off Primary
- Ceiling Fan(s)
- Dbl Pane/Storm Window
- Dining Room
- Fireplace
- Skylight(s)
- Water Heater
- Fireplace (wood burning)
Kitchen
- Dishwasher
- Microwave
- Refrigerator
- Stove(s)/Range(s)
Bedrooms
- 3 bedrooms total
- 3 on the main level
Bathrooms
- 1 three-quarter bathroom (shower, no tub)
- 1 on the main level
Layout
- 1 Story
- 1,340 sq ft finished, 180 sq ft unfinished
- 520 sq ft garage
Flooring
- Ceramic Tile
- Hardwood
- Carpet
Heating & cooling
- Baseboard heating
- Ductless heating
- Ductless cooling
Schools
Ratings via SchoolDiggerKent School District
- Sawyer Woods Elementary SchoolPublic · Grades PK-5 · State rank 298 of 1,1388/10
- Cedar Heights Jnr HiPublic · Grades Middle—
- Kentlake High SchoolPublic · Grades 9-12 · State rank 203 of 3964/10
Assigned schools for this property per the listing's MLS data. School district boundaries change — verify the exact assigned schools with the district before purchasing.
Single-family home facts
As entered by the listing broker on Northwest MLS
Lot & site
- Topography
- Level
- Vegetation
- Wooded
- Faces
- West
Systems
- Energy source
- Electric,Wood
- Power production
- Electric, Wood
- Water heater
- Electric
- Water heater location
- Utility
- Power company
- PSE
- Water company
- Covington
- Sewer company
- Septic
- Gas company
- NA
- Garbage service
- Republic Services
- Irrigation water rights
- No
- Internet connected
- Xfinity
- Cable connected
- Xfinity
Rooms & extras
- Showers
- 1
- Fireplaces on main
- 1
- Excluded items
- No
New construction
- Construction methods
- Standard Frame
- Square footage source
- County
- Lot size source
- County
Manufactured home
- Land lease
- No
Neighborhood mobility
Doorstep, Pedal & Station Scores
Three RexMont scores for this exact address: what is on foot, what is by bike, and what rides past the door.
Ground Truth™
The ground, the slope, the flood zone and the noise at this address
Read from public hazard, flood, terrain and noise maps for this exact home.
Address Insider™
The members' report
Commute, transit, zoning and ADU potential, internet providers and the lifestyle around the home: the nearest grocery, coffee, park, services and transit stop. One free registration opens every home on rexmont.com.
Opens with the report above.
Sales & Tax Records for 31032 228th Avenue SE
NWMLS via MLS Grid · King County AssessorEvery listing, pending, price change and closing filed on this home with the NWMLS, the county’s recorded sales, and its assessed values by tax year.
- Oct 30, 2026SoldNWMLS via MLS Grid · #2578329$525,000$392/sq ft
- Oct 13, 2026Pending - Backup Offer RequestedNWMLS via MLS Grid · #2578329$525,000$392/sq ft
- Oct 12, 2026Price reducedNWMLS via MLS Grid · #2578329$525,000$392/sq ft
- Sep 4, 2026ListedNWMLS via MLS Grid · #2578329$549,999$410/sq ft
Market pulse
Black Diamond is a balanced market.
Supply and demand are roughly in balance. Neither side has a clear edge.
Offer insight: Homes typically sell with one offer near asking price.
List to sale price: The average home sells very close to list price.
Time on market: The average home goes pending in around 64 days.
Recent sales nearby
Within 1 mile · last 6 months$799,950 Sold
5 days ago
4 bd•3 ba•~2,481 sq ft•Single Family
22866 SE Oak Street, Black Diamond, WA 98010
3%
Over list
60
Days on market
0.7 mi
Distance
$381,950 Sold
5 days ago
2 bd•2.5 ba•~1,298 sq ft•Single Family
32402 Vine Avenue SE, Black Diamond, WA 98010
3%
Over list
60
Days on market
0.8 mi
Distance
$525,000 Sold
1 week ago
3 bd•0.75 ba•~1,340 sq ft•Single Family
31032 228th Avenue SE, Black Diamond, WA 98010
0%
Over list
56
Days on market
0.1 mi
Distance
$759,950 Sold
2 weeks ago
4 bd•2.5 ba•~2,539 sq ft•Single Family
32129 Grand Avenue SE, Black Diamond, WA 98010
0%
Over list
54
Days on market
0.6 mi
Distance
$699,875 Sold
3 weeks ago
4 bd•2.5 ba•~2,350 sq ft•Single Family
32109 Grand Avenue SE, Black Diamond, WA 98010
4%
Over list
63
Days on market
0.6 mi
Distance
Closed sales from MLS GRID / NWMLS within the past 6 months, matched on property type and within 1 mile. Comps approximate.
Want a deeper read on this market?
Ask a RexMont agentMarket data from MLS GRID / NWMLS · Updated Nov 2026
Information and statistics derived from Northwest Multiple Listing Service. Source: Northwest Multiple Listing Service, as distributed by MLS GRID.
MLS GRID Disclaimer
Based on information submitted to the MLS GRID as of November 7, 2026 at 8:20 AM PT (date and time MLS GRID Data was obtained). 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 courtesy of Northwest Multiple Listing Service (NWMLS). The listing data relating to real estate for sale on this web site comes in part from the Northwest Multiple Listing Service. Real estate listings held by brokerage firms other than RexMont Real Estate are marked with the “Listing courtesy of NWMLS” designation. Information provided is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Some IDX listings have been excluded from this website.
© 2026 Northwest Multiple Listing Service. All rights reserved.
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