$649,880
4 bd•1.75 ba•1,590 sq ft
3812 S 178th Street, SeaTac, WA 98188
• Listed Jun 26, 2026
RexMont Market Signal for 3812 S 178th Street
Sold price on recordRexMont Market Signal $649,880
Closed sale price · as of July 28, 2026, the day it sold.
Market Signal since the sale
$655,832
Likely $505,875 – $715,846 · solid read · as of October 17, 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: Windermere Real Estate/East; Tammy S. Miller; 425-822-5100
Buyer Broker: John L. Scott, Inc
About this home
Beautifully refreshed single-level home in a convenient location near the SeaTac Airport light rail station. This move-in-ready home features refinished hardwood floors throughout most of the living areas, with durable LVP flooring in the kitchen and primary bedroom. Enjoy updated bathrooms, refreshed kitchen countertops, and a finished attached office/bonus room that's ideal for working from home or creating additional living space. Recent improvements include fresh interior and exterior paint, new light fixtures, switches and outlets, new millwork, new interior doors with updated hardware, a new electrical service panel, and kitchen appliances that are just one year old. A new sewer line was installed within the past 10 years, providing added peace of mind. Outside, you'll find new fencing, fresh landscaping, a large fully fenced yard, ample off-street parking, and a two-car carport. This thoughtfully updated home offers the perfect blend of comfort, functionality, and commuter-friendly convenience.
Listed by Tammy S. Miller • Windermere Real Estate/East
Listing updated: August 28, 2026 at 04:04am
RexMont checked: moments ago
Source: NWMLS as Distributed by MLS Grid #2544372
Around this home
Property details
Interior features
- Bath Off Primary
- Dbl Pane/Storm Window
- Dining Room
- Water Heater
Kitchen
- Dishwasher
- Disposal
- Dryer
- Microwave
- Refrigerator
- Trash Compactor
- Washer
Bedrooms
- 4 bedrooms total
- 4 on the main level
Bathrooms
- 1 full bathroom
- 1 three-quarter bathroom (shower, no tub)
- 1.75 bathrooms total (NWMLS count)
- 2 on the main level
Layout
- 1 Story
- 1,590 sq ft finished
Flooring
- Hardwood
- Laminate
Heating & cooling
- Forced Air heating
- Forced Air cooling
Schools
Ratings via SchoolDiggerHighline School District
- Bow Lake ElementaryPublic · Grades PK-5 · State rank 1,067 of 1,1381/10
- 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
Systems
- Energy source
- Electric,Oil
- Power production
- Electric, Oil
- Water heater
- electric
- Water heater location
- bonus room closet
- Power company
- Puget Sound Energy
- Water company
- Highline Water
- Sewer company
- Midway Sewer
- Irrigation water rights
- No
- Internet connected
- Xfinity
- Cable connected
- Xfinity
Rooms & extras
- Bathtubs
- 1
- Showers
- 2
New construction
- Square footage source
- public
- Lot size source
- public
- 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 3812 S 178th Street
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.
- Jul 28, 2026SoldNWMLS via MLS Grid · #2544372$649,880$409/sq ft
- Jul 5, 2026PendingNWMLS via MLS Grid · #2544372$649,880$409/sq ft
- Jun 26, 2026ListedNWMLS via MLS Grid · #2544372$649,880$409/sq ft
- Apr 9, 2025Recorded saleKing County recorder · Warranty deed$500,000$314/sq ft
- Jul 30, 2018SoldNWMLS via MLS Grid · #1305452$370,000$233/sq ft
- Jul 11, 2018PendingNWMLS via MLS Grid · #1305452$375,000$236/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
0.7 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
0.2 mi
Distance
$940,000 Sold
2 weeks ago
3 bd•1.75 ba•~2,960 sq ft•Single Family
3737 S 194th Street, SeaTac, WA 98188
6%
Under list
63
Days on market
1.0 mi
Distance
$525,000 Sold
2 weeks ago
3 bd•1.5 ba•~1,219 sq ft•Single Family
4815 S 184th Street, SeaTac, WA 98188
3%
Under list
90
Days on market
0.7 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 5:40 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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