$623,000
Est. $3,424/moPrice reduced $25,000 from the original $648,000 asking price
4 bd•1.75 ba•1,400 sq ft
3820 S 178th Street, SeaTac, WA 98188
• Listed Sep 10, 2026•49 days active · 49 cumulative
Listing Broker: Berkshire Hathaway HS NW; Gabrielle Cohen; 425-453-9100; gabriellecohen@bhhsnw.com
Talk to a local RexMont expert
A local broker replies within minutes
Listing Broker: Berkshire Hathaway HS NW; Gabrielle Cohen; 425-453-9100; gabriellecohen@bhhsnw.com
About this home
Welcome to this fully remodeled modern retreat tucked in a quiet pocket of the city, offering style, comfort, and thoughtful upgrades throughout. Every detail of this home has been refreshed to create a space that feels brand-new — from the sleek finishes to the bright, open layout that invites natural light into every room. The roof is new and a rubber shingle meaning it will last for 50 years!! Also a brand new electric furnace. Step inside to discover a spacious living area with contemporary flooring, designer lighting, and a seamless flow perfect for entertaining. The chef-inspired kitchen features new cabinetry, quartz countertops, stainless steel appliances, and a clean, modern aesthetic that makes cooking a joy. The home offers generously sized bedrooms, beautifully updated bathrooms, and a layout that provides both privacy and flexibility. Outside, enjoy a large yard ideal for gatherings, gardening, or simply relaxing in your own peaceful outdoor space. Located minutes from shopping, dining, SeaTac Airport, and major commuter routes, this home blends convenience with comfort. With its complete renovation and move-in-ready appeal, this property is a standout opportunity in the neighborhood. Your next chapter begins at 3820 S 178th St — a home redesigned with care, style, and modern living in mind.
Listed by Gabrielle Cohen • Berkshire Hathaway HS NW
Listing updated: October 16, 2026 at 03:12pm
RexMont checked: moments ago
Source: NWMLS as Distributed by MLS Grid #2581296
Around this home
How much should you offer?
3820 S 178th Street, SeaTac, WA 98188
Source:RexMont analysis of Northwest MLS sales data for this ZIP code plus third-party market data (RentCast). The estimates are RexMont's, not Northwest MLS listing data.
Estimates only and not guaranteed. Consult a RexMont agent for accurate, personalized guidance before making an offer. RexMont OfferEdge™ · © 2026 RexMont Real Estate. Proprietary tool.
Property details
Kitchen
- Dishwasher
- Refrigerator
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
- 1,400 sq ft finished
Flooring
- Engineered Hardwood
Heating & cooling
- Forced Air heating
- Forced Air cooling
Schools
Ratings via SchoolDigger- Bow Lake ElementaryPublic · Grades PK-5 · 0.3 mi · State rank 1,067 of 1,1381/10
- Chinook Middle SchoolPublic · Grades 6-8 · 0.6 mi · State rank 463 of 5142/10
- Tyee High SchoolPublic · Grades 9-12 · 0.7 mi · State rank 356 of 3962/10
Schools shown are the nearest public Elementary, Middle, and High school for this property and may not be the assigned schools. Verify attendance boundaries with the district before purchasing.
Single-family home facts
As entered by the listing broker on Northwest MLS
Lot & site
- Zoning jurisdiction
- City
Systems
- Energy source
- Electric
- Power production
- Electric
- Irrigation water rights
- No
Rooms & extras
- Bathtubs
- 1
- Showers
- 2
New construction
- Square footage source
- realist
- Lot size source
- realist
- 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 3820 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.
- Oct 16, 2026Price reducedNWMLS via MLS Grid · #2581296$623,000$445/sq ft
- Sep 10, 2026ListedNWMLS via MLS Grid · #2581296$648,000$463/sq ft
- Jun 27, 2026Recorded saleKing County recorder · Warranty deed$398,000$284/sq ft
- Oct 4, 2000Recorded saleKing County recorder · Statutory warranty deed$163,000$116/sq ft
- Jul 22, 1997Recorded saleKing County recorder · Statutory warranty deed$135,000$96/sq ft
Down payment assistance
6 programs may be available to provide you with up to $31,150 in down payment assistance, depending on your specific information.
Northwest MLS lists this home as eligible for down payment assistance programs
Source: program list compiled by RexMont from ARCH (A Regional Coalition for Housing) member-jurisdiction information. This is not Northwest MLS listing data.
Mortgage payment forecast
$4,093 per month
Great rateTakes about 5 minutes & won't affect your credit
Get pre-approvedSource: RexMont estimate, not Northwest MLS listing data. Interest rates from Freddie Mac's Primary Mortgage Market Survey via FRED (Federal Reserve Bank of St. Louis). Property tax and HOA dues from the NWMLS listing where provided, otherwise estimated; insurance estimated at 0.3% of price per year.
Estimate only. Actual payment depends on credit, lender, and program. PMI not included for down payments below 20%.
Ask about this home
A licensed RexMont broker will get back to you, usually in under 5 minutes during business hours.
Listing Broker: Berkshire Hathaway HS NW; Gabrielle Cohen; 425-453-9100; gabriellecohen@bhhsnw.com
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
$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
$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
0.8 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 5:30 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.
HO
Equal Housing Opportunity. RexMont Real Estate is pledged to the letter and spirit of U.S. policy for the achievement of equal housing opportunity throughout the Nation. We encourage and support an affirmative advertising and marketing program in which there are no barriers to obtaining housing because of race, color, religion, sex, handicap, familial status, or national origin.
