321 31st Ave S, Seattle, WA 98144 Property Records

King County property record for 321 31st Ave S, Seattle, WA 98144

Property Summary

Property Type	Single Family Home
Details	6 bd · 3.25 ba · 3,110 sqft · built 1910
Lot Size	0.475 acres (20,700 sqft)
Owner	2 Individual Names on File
Last Sale	$1,815,000 (Apr 2026)
Tax Bill	$18,567 (2026)
Deeds & Mortgages	Apr 2026 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`125020-1370`

Property Details

APN / Parcel Number

Primary APN	`125020-1370`
Alternative APN	`125020137001`

Interior

Bedrooms	6 Beds
Full Baths	3.25 Baths
Half Baths	2 Half Baths
Stories	1 Story
Building Area	3,110 sqft Living Area
Gross Area	4,840 sqft
1st Floor Area	1,810 sqft
Upper Floors Area	1,300 sqft
Basement Area	1,730 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1910
Effective Year Built	Effective 1910
Lot Area	20,700 sqft (0.475 acres)
Porch	Slab
Porch Area	470 sqft
Deck Area	90 sqft

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	125020137001
Street Address	321 31ST AVE S
City	SEATTLE
State	WA
Zip	98144-2514
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	NR3
Legal Description	BURKES 2ND ADD LOT 7 LESS W 10 FT & 8 LESS W 10 FT OF S 30 FT & ALL 9
Legal Range	04
Legal Township	24
Legal Section	04
Legal Subdivision	BURKES 2ND ADD
Legal Block	19
Legal Lot Number	7
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	3
Census Block	3015
Census Tract	8900

Owner

321 31st Ave S is owned by two individuals who bought it in April 2026.

Source: King County records, as of October 13, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on File
Mailing Address	310 30TH AVE S, SEATTLE, WA 98144-2506
Owner Type	Individual
Vesting	Married Couple

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 15, 2026 · Amount on File
Deed Sale	Apr 15, 2026 · Amount on File
Deed Document Number	2026568
Record Updated	Oct 29, 2026

April 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Apr 15, 2026
Property Address	321 31ST AVE S, SEATTLE, WA 98144-2514
Document Number	0000000568
Instrument Date	Apr 13, 2026
Instrument	2026568
Transaction Type	Transfer
Record Updated	Jul 2, 2026
Title Company	TICOR TITLE INSURANCE COMPANY, TICOR TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	310 30TH AVE S, SEATTLE, WA 98144-2506

Mortgage

Document Number	0000000568,
Date	Apr 15, 2026
Instrument	20260415568

Lender

Name	WASHINGTON TRUST BANK

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Rate	6%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

Tax Assessment & Valuation

The 2026 property tax bill for 321 31st Ave S was $18,567, up 9.8% from the year before.

Source: King County assessment roll, as of July 7, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$18,567.00 (+9.83%)
2025	$16,905.00 (-65.06%)	$1,768,000 (+1.96%) Land $1,767,000 Building $1,000	$1,768,000 (+1.96%) Land $1,767,000 Building $1,000
2024	$48,381.00	$1,734,000 Land $1,733,000 Building $1,000	$1,734,000 Land $1,733,000 Building $1,000
2022	$13,902.00	$1,495,000 Land $1,494,000 Building $1,000	$1,495,000 Land $1,494,000 Building $1,000

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

Flood

FEMA maps place 321 31st Ave S in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 23, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

The area around 321 31st Ave S has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	SEATTLE PUBLIC UTILITIES serves 1,161,961 people · EPA ID WA5377050
Water Source	Surface water
Last State Inspection	Jul 2025
Lead	2 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 865 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
CenturyLink Fiber	8,000 / 8,000
Xfinity Cable	2,000 / 2,000
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Verizon Fixed Wireless	1,000 / 75
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20