$1,400,000
Est. $7,116/mo3 bd•1.5 ba•1,710 sq ft
6221 S 129th Street, Seattle, WA 98178
• Listed 2026-03-20•43 days on market
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Based on information submitted to the MLS GRID as of June 4, 2026 at 05:42pm (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.
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Development opportunity-R24 zoning with potential for 12 units. This property is a gem with unlimited potential if you are looking to build. This rare r24 zoned property on 0.53 acres in unincorporated King County is something you don't want to miss! Come take a look and see all the possibilities, there is also an adjacent property on half an acre with two homes, one is a 3 bedroom 1 bath, the other is a studio/tiny home and can be purchased as well, pick up both properties and own an acre property with r24 zoning just outside of city limits. Possible lot line adjustment or short plat, buyer to verify. If looking for a residential home with added value, this conveniently located three bedroom with two bath house is close to everything; freeways, the airport, Lake Washington, and downtown Seattle. This property is roomy enough to fit all your toys and the detached garage can be used as storage or can be built out as an ADU, whatever your needs come see this property before it's gone!
Listed by Nicole Finamore • Kelly Right RE of Seattle LLC
Listing updated: June 4, 2026 at 05:42pm
RexMont checked: moments ago
Source: NWMLS as Distributed by MLS Grid #2495047
Open houses
No upcoming open houses scheduled for this property.
Nearby open houses (2)
See more →$758,000
-$642,000 under list price
Nearby comparable homes
RexMont uses 5 strongest recent nearby sales, priced between $700K and $950K.
Rental earnings
$2,275/mo
Screening estimate from the comp-supported value. Verify with rent comps before underwriting.
$720,000Last sold price
6005 S 116th Street, Seattle, WA 98178
$700,000Last sold price
8008 S 122nd Street, Seattle, WA 98178
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.
6221 S 129th Street, Seattle, WA 98178
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.
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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.
Seattle is a seller's market.
Inventory is low and competition is high. Sellers have more negotiating power.
Offer insight: Many homes get multiple offers, some with waived contingencies.
List to sale price: The average home sells very close to list price.
Time on market: Days-on-market data not available for this area.
$1,399,000 Sold
4 weeks ago
•Single Family
13301 56th Avenue S, Tukwila, WA 98178
0%
Over list
—
Days on market
0.5 mi
Distance
$1,085,000 Sold
6 weeks ago
4 bd•2 ba•~2,710 sq ft•Single Family
11279 59th Avenue S, Seattle, WA 98178
0%
Over list
—
Days on market
0.8 mi
Distance
$360,000 Sold
6 weeks ago
2 bd•1 ba•~1,040 sq ft•Single Family
7033 S 116th Place, Seattle, WA 98178
15%
Under list
—
Days on market
0.9 mi
Distance
$568,000 Sold
6 weeks ago
3 bd•2 ba•~1,120 sq ft•Single Family
5920 S 118th St, Seattle, WA 98178
0%
Over list
—
Days on market
0.7 mi
Distance
$680,000 Sold
6 weeks ago
4 bd•2 ba•~2,184 sq ft•Single Family
5162 S Wallace Street, Seattle, WA 98178
3%
Under list
—
Days on market
0.9 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 Jul 2026
