$695,500
3 bd•1.25 ba•1,390 sq ft
16640 40th Avenue S, SeaTac, WA 98188
• Listed Jul 9, 2026
RexMont Market Signal for 16640 40th Avenue S
Sold price on recordRexMont Market Signal $695,500
Closed sale price · as of August 27, 2026, the day it sold.
Market Signal since the sale
$664,717
Likely $508,827 – $763,124 · solid read · as of October 27, 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.
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Listing Broker: Real Broker LLC; Kirsten Donovan; 206-465-4221; kirsten@re-zen.com
Buyer Broker: Rainier Valley Realty
About this home
Welcome to McMicken Heights and this beautifully updated, move-in ready, 3 bedroom, 1.5 bath home designed for comfortable living and entertaining. Inside you will find a warm inviting living room with cozy wood-burning fireplace, formal dining area, and an updated kitchen featuring granite countertops with undercounter lighting, stainless steel appliances, custom soft-close cabinetry with pullouts, a breakfast bar and a built-in desk. All appliances stay, including the garage freezer. The spacious primary bedroom includes a private half bath, while two additonal bedrooms provide flexible space for guests, a home office or hobbies. One features a Murphy Bed/Desk combination, and an updated 3/4 bath offers a large walk-in shower. Custom built-ins throughout the bedrooms, closets and pantry (2023) provide exceptional storage and organization. Outside, enjoy the the beautifully landscaped 12,320 sqft lot, fully fenced backyard, with new sport court (lined for pickleball), expansive entertainment patio, garden shed and sprinkler system (2023). Addiotnal features include a heat pump with AC, laundry room off kitchen, attached 1-car garage and two additonal off-street parking spaces. Ideally located in quiet neighborhood (not in the flight path), just 1.2 miles from the Seatac/Tukwila Station and 2.5 miles from Southcenter shopping and dining. This home offers the perfect blend of space, updates, convenience and lifestyle.
Listed by Kirsten Donovan • Real Broker LLC
Listing updated: September 27, 2026 at 04:01am
RexMont checked: moments ago
Source: NWMLS as Distributed by MLS Grid #2552500
Around this home
Property details
Interior features
- Bath Off Primary
- Ceiling Fan(s)
- Dbl Pane/Storm Window
- Dining Room
- Fireplace
- Sprinkler System
- Water Heater
- Fireplace (wood burning)
Kitchen
- Dishwasher
- Disposal
- Dryer
- Microwave
- Refrigerator
- Stove(s)/Range(s)
- Washer
Bedrooms
- 3 bedrooms total
- 3 on the main level
Bathrooms
- 1 three-quarter bathroom (shower, no tub)
- 1 half bathroom
- 1.25 bathrooms total (NWMLS count)
- 2 on the main level
Layout
- 1 Story
- 1,390 sq ft finished
- 340 sq ft garage
Flooring
- Ceramic Tile
- Concrete
- Engineered Hardwood
- Carpet
Heating & cooling
- Heat Pump heating
- Heat Pump cooling
Schools
Ratings via SchoolDiggerHighline School District
- McMicken Heights ElementaryPublic · Grades PK-5 · State rank 896 of 1,1382/10
- Chinook Middle SchoolPublic · Grades 6-8 · State rank 463 of 5142/10
- Tyee High SchoolPublic · Grades 9-12 · State rank 356 of 3962/10
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
- Garden Space
- Zoning code
- RL
- Zoning jurisdiction
- City
- Faces
- West
- Bus route
- 156, 180
Systems
- Energy source
- Electric
- Power production
- Electric
- Water heater
- Electric
- Water heater location
- Garage
- Power company
- PSE
- Water company
- King County Water District
- Sewer company
- Valley View
- Garbage service
- Recology
- Irrigation water rights
- No
Rooms & extras
- Showers
- 1
- Fireplaces on main
- 1
- Excluded items
- No
New construction
- Square footage source
- Public Record
- Lot size source
- Public Record
- Effective year built source
- Public Records
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 16640 40th Avenue S
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.
- Aug 27, 2026SoldNWMLS via MLS Grid · #2552500$695,500$500/sq ft
- Jul 29, 2026PendingNWMLS via MLS Grid · #2552500$695,500$500/sq ft
- Jul 9, 2026ListedNWMLS via MLS Grid · #2552500$695,500$500/sq ft
- Sep 25, 1996Recorded saleKing County recorder · Statutory warranty deed$119,950$86/sq ft
Market pulse
SeaTac 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 73 days.
Recent sales nearby
Within 1 mile · last 6 months$465,000 Sold
3 days ago
3 bd•1 ba•~1,190 sq ft•Single Family
16639 35th Avenue S, SeaTac, WA 98188
2%
Under list
80
Days on market
0.3 mi
Distance
$510,000 Sold
6 days ago
2 bd•1 ba•~1,040 sq ft•Single Family
17053 35th Avenue S, SeaTac, WA 98188
4%
Under list
85
Days on market
0.4 mi
Distance
$600,000 Sold
1 week ago
4 bd•2.25 ba•~1,700 sq ft•Single Family
3712 S 175th Street, SeaTac, WA 98188
2%
Under list
47
Days on market
0.5 mi
Distance
$900,000 Sold
2 weeks ago
4 bd•4 ba•~2,780 sq ft•Single Family
16741 46th Lane S, SeaTac, WA 98188
5%
Under list
67
Days on market
0.4 mi
Distance
$535,000 Sold
3 weeks ago
3 bd•1 ba•~1,170 sq ft•Single Family
17953 48th Avenue S, SeaTac, WA 98188
2%
Under list
87
Days on market
1.0 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 Oct 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 October 29, 2026 at 6:27 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.
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