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

120 Prospect St

Built 1904 · 5,890 sq ft
Manage Home
LOT 10,169 SQ FT · 3 STRUCTURES · APN 545730-0090Lot Structure
Is this your home?
Claiming homes opens soon on SeattleHomework.
Claim it to correct details and keep its record yours.

We'll email you a one-time sign-in link.

The home

What's on record

Year built
1904
Living area
5,890 sqft
Lot size
10,169 sqft
Structures on lot
3 main home plus another structure: a garage, guest house or ADU
Bedrooms
6
Bathrooms
4
Home type
Single-family
Parcel (APN)
545730-0090
Last sold
$1,555,000
County value
$3,663,000

Major systems

Heating
Hot water (gas)
Stories
2.5
Garage
Garage (380 sqft)

See something wrong above? Report an error

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 →

Get it done

What does your home need?

Pick what you need, add your own, and we pass your list to a local contractor for each trade. They contact you. No cost, no obligation.

Get quotes

Sending your list saves it to this home and starts your record. You can manage it anytime.

The story of this home

Upgrade & maintenance timeline

  • 2014
    permit on fileElectrical — Install New Security System · ADT LLC
  • 2014
    permit on fileElectrical — Closed - Safety Mitigated By Audit Intrusion Alarm Install - Add Equipment · ADT LLC
  • 2014
    permit on fileElectrical — Closed - Safety Mitigated By Audit Low Voltage Wiring For Security System Install. · ENDEAVOR TELECOM INC
  • 2013
    permit on fileGeneral remodel — Construct Detached Garage Accessory (W/ Breezeway) To Existing Single Family Residence Per Plan.

Manage this home to schedule a service or to update the timeline.

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 · 2014
KitchenUnknown
Not found in our records yet
BathroomsUnknown
Not found in our records yet

“Unknown” means we haven't matched a record for it yet — not that it hasn't happened. Own this home? Claim it to fill in what we're missing.