$648,000
Est. $3,366/mo4 bd•1.5 ba•1,400 sq ft
3820 S 178th Street, Sea Tac, WA 98188
• Listed 2026-09-10•New today
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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. 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: September 10, 2026 at 10:42pm
RexMont checked: moments ago
Source: NWMLS as Distributed by MLS Grid #2581296
Open houses
No upcoming open houses scheduled for this property.
3820 S 178th Street, Sea Tac, WA 98188
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.
Neighborhood mobility
School information is unavailable for this listing. School boundaries can change, so verify the assigned schools with the district before purchasing.
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Sea Tac is a seller's market.
Inventory is low and competition is high. Sellers have more negotiating power.
Offer insight: Well-priced homes draw multiple offers; others sell close to asking.
List to sale price: The average home sells very close to list price.
Time on market: The average home goes pending in around 13 days.
$129,000 Sold
4 weeks ago
2 bd•2 ba•Single Family
18054 36th Avenue S #386, Sea Tac, WA 98188
0%
Over list
—
Days on market
0.2 mi
Distance
$94,900 Sold
6 weeks ago
2 bd•1 ba•Single Family
3439 S 181st Place #146, Sea Tac, WA 98188
5%
Under list
—
Days on market
0.3 mi
Distance
$79,900 Sold
6 weeks ago
1 bd•1 ba•Single Family
18117 32nd Avenue S #333, Sea Tac, WA 98188
0%
Over list
—
Days on market
0.4 mi
Distance
$685,000 Sold
6 weeks ago
4 bd•2.75 ba•~2,120 sq ft•Single Family
18331 38th Avenue S, Sea Tac, WA 98188
2%
Under list
—
Days on market
0.4 mi
Distance
$1,260,000 Sold
6 weeks ago
6 bd•4.75 ba•~4,629 sq ft•Single Family
17323 Military Rd S, Sea Tac, WA 98188
1%
Under list
—
Days on market
0.4 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 Sep 2026
MLS GRID Disclaimer
Based on information submitted to the MLS GRID as of September 10, 2026 at 10:42pm (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.
© 2026 Northwest Multiple Listing Service. All rights reserved.
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.
$643,000
-$5,000 under list price
Nearby comparable homes
RexMont uses 5 strongest recent nearby sales, priced between $530K and $650K.
Rental earnings
$1,925/mo
Screening estimate from the comp-supported value. Verify with rent comps before underwriting.
$649,880Last sold price
3812 S 178th Street, Sea Tac, WA 98188
$535,000Last sold price
3728 S 175th Street, Sea Tac, WA 98188
Estimate is a comp-supported screen, not an appraisal or broker price opinion. Ask RexMont for a property-specific pricing review before writing or accepting an offer.
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