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King County, WA Duplexes for Sale

7 results
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North Queen Anne Multifamily Portfolio
$2,294,000

North Queen Anne Multifamily Portfolio

3463 6Th Ave W, Seattle, WA 98119

Two multifamily buildings in Seattle with renovation and lease-up potential.

  • Rare portfolio offering of two multifamily buildings (duplex and fourplex) in North Queen Anne.
  • Delivered fully vacant, providing immediate renovation and lease‑up potential at market rents.
  • Separate tax IDs allow leveraging residential financing.
  • Excellent location with easy access to Ballard, Fremont, South Lake Union, and Downtown Seattle.
  • Proximity to major employers like Meta, Google, Amazon, and Expedia.
Updated: Jul 10, 2025
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Value-Add Duplex in Auburn
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2,540 SF

Value-Add Duplex in Auburn

402 4Th St SE, Auburn, WA 98002

Spacious duplex with income potential in a desirable Auburn location.

  • Strong rental income with immediate upside potential from under‑rented Unit B.
  • Each unit features 3 bedrooms and 2.5 bathrooms with private yard, garage, laundry, and balcony.
  • Desirable corner lot location in a walkable community near amenities and transit.
  • New roof and paint completed in 2024.
  • Easy access to HWYs 18 & 167.
Updated: Jun 24, 2025
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Classic Craftsman Duplex Near UW
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2,130 SF

Classic Craftsman Duplex Near UW

1921 Craftsman duplex near University of Washington with long-term tenants.

4716 7Th Ave NE, Seattle, WA 98105
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West Seattle Multifamily Investment Opportunity
$4,600,000
8,705 SF

West Seattle Multifamily Investment Opportunity

Thirteen-unit apartment complex in premier North Admiral location.

2515 Belvidere Ave SW, Seattle, WA 98126
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Queen Anne Multifamily Value-Add Opportunity
$2,000,000

Queen Anne Multifamily Value-Add Opportunity

Six-unit multifamily property in Queen Anne with value-add potential.

3036 4Th Ave W, Seattle, WA 98119
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Duplex with Development Potential
$649,000

Duplex with Development Potential

Duplex with R-14 zoning and development potential.

13076 Renton Ave S, Seattle, WA 98178
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Duplex in Old Burien Location
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Duplex in Old Burien Location

Well-maintained duplex in a desirable, vibrant, and growing community.

15212 9Th Ave SW, Seattle, WA 98166
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Based on your search, we've compiled 7 Potential Opportunities for your consideration. Besides 7 Active listings in King County, WA, we suggest exploring several alternatives:

King County, WA Duplexes Investment Opportunities Market Analysis

Explore 7 duplexes for sale in King County, WA, showcased through 7 active listings on our real estate platform. These investment opportunities span a total of 0 square feet of properties for sale, with an estimated market value of $13,232,950.

Sale prices for duplexes in King County, WA start at $0.00, averaging $1,470,327, and reaching up to $4,600,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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