3731 E Prospect St, Seattle, WA 98112 Property Records

King County property record for 3731 E Prospect St, Seattle, WA 98112 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	4 Beds
Bathrooms	5.25 Baths
Year Built	Built 2015
Square Footage	9,080 sqft Living Area
Lot Size	24,744 sqft (0.568 acres)
Garage	Attached, 700 sqft
Last Sale	$6,325,000 (2012)
Tax Bill	$119,937.00 (2026)

Property Details

APN / Parcel Number

Primary APN	`531710-0806`
Alternative APN	`531710080601`

Interior

Bedrooms	4 Beds
Full Baths	5.25 Baths
Partial Baths	4 Partial Baths
Building Area	9,080 sqft Living Area
Gross Area	9,940 sqft Gross Area
1st Floor	3,180 sqft 1st Floor
2nd Floor	3,410 sqft 2nd Floor
Upper Floors	520 sqft Upper Floors
Basement Area	2,130 sqft Basement
Finished Basement	1,970 sqft Finished
Unfinished Basement	160 sqft Unfinished
Stories	2 Stories
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1908
Effective Year Built	Effective 2015
Lot Area	24,744 sqft (0.568 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	700 sqft Garage
Deck Area	650 sqft Deck
Porch	Open Porch
Porch Area	690 sqft Porch

Utilities and HVAC

Heating System	Hot Water Heating
Heating Fuel	Electric Heating Fuel
Sewage	Municipal Sewage
Water Source	Commercial Water Source

Location & Zoning

Account Number	531710080601
Street Address	3731 E PROSPECT ST
City	SEATTLE
State	WA
Zip	98112-4441
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	MC GILVRAS REPLAT MC GILVRAS 2ND PCL A CITY OF SEATTLE SHORT SUBD NO 135 REC NO 7412300443 SD SHORT SUBD DAF: S 45 FT OF LOT 3 BLK 19 JOHN J MCGILVRAS 2ND ADD; TGW E HALF OF 38TH AVE E AS VACATED BY ORD NO 10331 & TGW W HALF OF ALLEY IN SD BLK AS VAC
Legal Range	04
Legal Township	25
Legal Section	27
Legal Subdivision	MC GILVRAS REPLT MC GILVRAS 2ND
Legal Tract	153
Legal Block	19
Legal Lot Number	153
Jurisdiction	KING WA
Minor Civil Division	SEATTLE
Census Blockgroup	4
Census Block	4025
Census Tract	6300

Owner

Source: King County records · APN 531710-0806

Assessment roll updated July 7, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	1567 HIGHLANDS DR NE, 110, ISSAQUAH, WA 98029-6256
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Nov 01, 2012 · Amount on Record
Deed Sale	Nov 01, 2012 · Amount on Record
Deed Doc Number	20121191
Record Refreshed	Sep 20, 2026

April 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	3731 E PROSPECT ST, SEATTLE, WA 98112-4441
Transaction Type	Mortgage
Record Updated	Apr 29, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000290
Date	Apr 15, 2022
Instrument	20220415000290

Lender

Name	GOLDMAN SACHS BANK USA
Type	Bank
Address	NEW YORK, NY 10282

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 01, 2052

Interest

Rate Type	Adjustable Rate
Rate	2.3%
Type Change Date	May 01, 2027
Change Frequency	6 Months
Min Rate At Change	3%
Max Rate At Change	7.3%
Index	Other
Margin	3
Max Rate	7.3%

Tax Assessment & Valuation

Source: King County records · Assessment roll updated July 7, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	Washington
County	King County
Municipality	Seattle City
Unified School District	Seattle Public Schools (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$119,937.00 (+9.96%)
2025		$11,967,000 (+3.26%) Land $5,968,000 Building $5,999,000	$11,967,000 (+3.26%) Land $5,968,000 Building $5,999,000
2024	$109,069.00 (+5.09%)	$11,589,000 (-7.15%) Land $5,968,000 Building $5,621,000	$11,589,000 (-7.15%) Land $5,968,000 Building $5,621,000
2022	$103,782.00	$12,482,000 Land $5,562,000 Building $6,920,000	$12,482,000 Land $5,562,000 Building $6,920,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, King County (53033C), updated September 23, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.