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Listed by Nick Leung • WPI Real Estate Services, Inc..
FOR SALE

$1,200,000

Est. $6,647/mo

5 bd•2.75 ba•2,780 sq ft

12623 42nd Avenue S, Tukwila, WA 98178

• Listed Aug 3, 2026•24 days active · 24 cumulative

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★★★★★5.0·1,242 Google reviews

Listing Broker: WPI Real Estate Services, Inc.; Nick Leung; 206-240-7220; nickl@wpirealestate.com

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Listing Broker: WPI Real Estate Services, Inc.; Nick Leung; 206-240-7220; nickl@wpirealestate.com

About this home

32,500 SF | Up to ~18 Units | CR Zoning Located at the end of a private, secluded dead-end street lined with newer construction, this site is anchored by a remodeled 5-bed, 3-bath, 2,780 SF home producing rental income from day one. Zoned Community Residential (CR), it subdivides at 5,000 SF minimum lot sqf, with density that scales by lot size to roughly 18 units across the site. Flexible zoning lets you build the mix the market wants: single-family, duplexes, triplexes, fourplexes, townhomes, stacked flats, cottage housing, and ADUs/DADUs. (Buyer to verify.) Hold the existing home for income while you entitle, then keep it on its own lot or redevelop to full density. Topography survey and geo-tech report already completed. Site previously had 3 houses and a detached garage; one house remains, but utility connections to the removed structures are still on site. Developer-friendly terms. Ideal for developers, investors, non-profits, or anyone building a private multi-generational compound.

Property type
Townhouse
Year built
1969
Interior
2,780 sq ft
Lot size
0.7461 acres
Parking
2-car garage
Price / sq ft
$432
HeatingForced Air
CoolingNone
Property taxes$7,975/yr (est.)
School districtTukwila

Listed by Nick Leung • WPI Real Estate Services, Inc.

Listing updated: September 22, 2026 at 06:37pm

RexMont checked: moments ago

Source: NWMLS as Distributed by MLS Grid #2564066

Around this home

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12623 42nd Avenue S, Tukwila, WA 98178

List price
$1,200,000
Down payment
$240,000

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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
  • Dryer
  • Refrigerator
  • Stove(s)/Range(s)
  • Tankless Water Heater
  • Washer

Bedrooms

  • 5 bedrooms total
  • 3 on the main level
  • 2 on the lower level

Bathrooms

  • 2 full bathrooms
  • 1 three-quarter bathroom (shower, no tub)
  • 2.75 bathrooms total (NWMLS count)
  • 2 on the main level

Layout

  • 1 Story w/Bsmnt.
  • 2,780 sq ft finished

Heating & cooling

  • Forced Air heating
  • None cooling

Single-family home facts

As entered by the listing broker on Northwest MLS

Systems

Energy source
Natural Gas
Power production
Natural Gas
Power company
Puget Sound Energy
Water company
Water District No. 125
Sewer company
Valley View
Gas company
Puget Sound Energy
Garbage service
Recology King County
Irrigation water rights
No

New construction

Square footage source
Realist
Lot size source
Realist
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

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.

Sales & Tax Records for 12623 42nd Avenue S

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. Aug 3, 2026
    Listed
    NWMLS via MLS Grid · #2564066
    $1,200,000
    $432/sq ft
  2. Aug 3, 2026
    Listed
    NWMLS via MLS Grid · #2565403
    $1,200,000
    $432/sq ft

Mortgage payment forecast

$7,612 per month

Great rate
Principal and interest
Property taxes
HOA dues
Home insurance

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Plan your offer with a RexMont buyer specialistWalk through escalation strategy, contingencies, and competing-offer risk in this neighborhoodCompare loan options30-yr fixed, 15-yr, FHA, VA, jumbo

Source: 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%.

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Listing Broker: WPI Real Estate Services, Inc.; Nick Leung; 206-240-7220; nickl@wpirealestate.com

Market pulse

Tukwila is a balanced market.

Supply and demand are roughly in balance. Neither side has a clear edge.

Buyer's marketSeller's market

  • 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 62 days.

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 September 22, 2026 at 06:37pm (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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