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Seattle, WA 98108 · 20th Ave S · Columbia Ridge Add

5121 20th Ave S

Built 1941 · 1,240 sq ft
Manage Home
LOT 5,039 SQ FT · 2 STRUCTURES · APN 170840-0420Lot Structure
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The home

What's on record

Year built
1941
Living area
1,240 sqft
Lot size
5,039 sqft
Structures on lot
2 main home plus another structure: a garage, guest house or ADU
Bedrooms
3
Bathrooms
1
Home type
Single-family
Parcel (APN)
170840-0420
Last sold
$96,000
County value
$580,000

Major systems

Heating
Electric baseboard (electric)
Stories
1.5

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Nearby on this street
4856 20th Ave Ssold 2026 · 900 sqft5515 20th Ave Ssold 2025 · 1,640 sqft5411 20th Ave Ssold 2023 · 1,860 sqft4831 20th Ave Ssold 2023 · 900 sqft4875 20th Ave Ssold 2020 · 2,120 sqft5503 20th Ave Ssold 2019 · 2,560 sqft

See all 106 homes on 20th Ave S →

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The story of this home

Upgrade & maintenance timeline

  • 2025
    permit on fileSolar — Add Battery Back Up To Existing Solar Installation. [10/14/25 Bgo - Approved Plan Set] · PROSTAT ELECTRIC
  • 2020
    permit on fileSolar — Solar Pv Installation. 24 Solar Panels (7.92Kw) On Roof Of Residence. · PROSTAT ELECTRIC
  • 2012
    permit on fileElectrical — Installing A Low Voltage Burglar Alarm System · ADT SECURITY SERVICES INC
  • 2012
    permit on fileHeating & cooling — Install Ductless Heat Pump · ADVANCED ENERGY MANAGEMENT LLC

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What we know about this home

Systems and their update history

RoofUnknown
Not found in our records yet
HVACOn record
Permit on file · 2012
Water heaterUnknown
Not found in our records yet
ElectricalOn record
Permit on file · 2012
KitchenUnknown
Not found in our records yet
BathroomsUnknown
Not found in our records yet

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