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← Back to search results/SeaTac, WA/3812 S 178th Street
1 / 8SOLD JUL 28, 2026
Listed by Tammy S. Miller • Windermere Real Estate/East. Buyer represented by John L. Scott, Inc.
SOLD JUL 28, 2026

$649,880

4 bd•1.75 ba•1,590 sq ft

3812 S 178th Street, SeaTac, WA 98188

• Listed Jun 26, 2026

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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.

Property type
Single Family
Year built
1957
Interior
1,590 sq ft
Lot size
0.2533 acres
Parking
Attached Carport
Price / sq ft
$409
HeatingForced Air
CoolingForced Air
Property taxes$6,385/yr (est.)
School districtHighline

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

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

Walk, bike & transit scores

Source: Walk Score®, Bike Score® and Transit Score® are provided by Walk Score (walkscore.com), a third-party service. This is not Northwest MLS listing data.

Schools

Ratings via SchoolDigger

Highline School District

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.

Sales & Tax Records for 3812 S 178th Street

NWMLS via MLS Grid · King County Assessor

Every 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.

  1. Jul 28, 2026
    Sold
    NWMLS via MLS Grid · #2544372
    $649,880
    $409/sq ft
  2. Jul 5, 2026
    Pending
    NWMLS via MLS Grid · #2544372
    $649,880
    $409/sq ft
  3. Jun 26, 2026
    Listed
    NWMLS via MLS Grid · #2544372
    $649,880
    $409/sq ft
  4. Apr 9, 2025
    Recorded sale
    King County recorder · Warranty deed
    $500,000
    $314/sq ft
  5. Jul 30, 2018
    Sold
    NWMLS via MLS Grid · #1305452
    $370,000
    $233/sq ft
  6. Jul 11, 2018
    Pending
    NWMLS 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.

Buyer's marketSeller's market
  • 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 52 days.

Recent sales nearby

Within 1 mile · last 6 months
  • $560,000 Sold

    3 days ago

    4 bd•1.5 ba•~1,010 sq ft•Single Family

    3827 S 176th Street, Seattle, WA 98188

    2%

    Under list

    39

    Days on market

    0.1 mi

    Distance

  • $80,000 Sold

    3 days ago

    1 bd•1 ba•Single Family

    18200 36th Avenue S #395, SeaTac, WA 98188

    6%

    Under list

    608

    Days on market

    0.3 mi

    Distance

  • $475,000 Sold

    1 week ago

    4 bd•1 ba•~1,840 sq ft•Single Family

    3217 S 187th Street, SeaTac, WA 98188

    0%

    Over list

    —

    Days on market

    0.7 mi

    Distance

  • $60,000 Sold

    1 week ago

    2 bd•1.75 ba•Single Family

    3222 S 183rd Street, SeaTac, WA 98188

    8%

    Under list

    64

    Days on market

    0.4 mi

    Distance

  • $25,000 Sold

    1 week ago

    1 bd•1 ba•Single Family

    3257 S 181st Street, SeaTac, WA 98188

    0%

    Over list

    49

    Days on market

    0.3 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?

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Market data from MLS GRID / NWMLS · Updated Oct 2026

MLS GRID Disclaimer

Based on information submitted to the MLS GRID as of August 28, 2026 at 04:04am (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.

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