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Seattle, WA 98109 · Prospect St · Mercer'S Add To N Seattle

170 Prospect St

Built 1905 · 7,080 sq ft
Manage Home
LOT 10,119 SQ FT · 2 STRUCTURES · APN 545730-0940Lot Structure
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The home

What's on record

Year built
1905
Living area
7,080 sqft
Lot size
10,119 sqft
Structures on lot
2 main home plus another structure: a garage, guest house or ADU
Bedrooms
6
Bathrooms
5.25
Home type
Single-family
Parcel (APN)
545730-0940
Last sold
$3,300,000
County value
$3,300,000

Major systems

Heating
Hot water (gas)
Stories
2.5

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Nearby on this street
167 Prospect Stsold 2026 · 6,900 sqft402 Prospect Stsold 2025 · 2,570 sqft116 Prospect Stsold 2025 · 3,730 sqft205 Prospect Stsold 2024 · 3,220 sqft217 Prospect Stsold 2023 · 2,880 sqft313 Prospect Stsold 2022 · 4,190 sqft

See all 45 homes on Prospect St →

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The story of this home

Upgrade & maintenance timeline

  • 2026
    permit on file, unconfirmedGeneral remodel — Construct Substantial Alterations To One-Family Dwelling Per Plan.
  • 2025
    permit on file, unconfirmedGeneral remodel — Construct Alterations To One-Family Dwelling Subject To Field Inspection (Stfi).
  • 2025
    permit on fileElectrical — To Replace Three(3) Knob And Tube Circuits With Romex Wires. · IMPACT ELECTRIC, LLC
  • 2007
    permit on fileGeneral remodel — Closed As Incomplete - Expired Permit Remodel Master Suite On Second Floor Of Existing Single Family Residence Per Stfi.
  • 2007
    permit on fileElectrical — Remodel Masterderoom,Bathroom 5/6/08 Jnl - About To Expire Letter Sent · COAN ELECTRICAL SERVICES

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What we know about this home

Systems and their update history

RoofUnknown
Not found in our records yet
HVACUnknown
Not found in our records yet
Water heaterUnknown
Not found in our records yet
ElectricalOn record
Permit on file · 2025
KitchenUnknown
Not found in our records yet
BathroomsUnknown
Not found in our records yet

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