307 Boylston Ave E, Seattle, WA 98102 Property Records

King County property record for 307 Boylston Ave E, Seattle, WA 98102

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.75 ba · 1,210 sqft · built 1902
Lot Size	0.031 acres (1,348 sqft)
Owner	2 Individual Names on File
Tax Bill	$2,953 (2026)
Deeds & Mortgages	Jul 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`181780-0155`

Property Details

APN / Parcel Number

Primary APN	`181780-0155`
Alternative APN	`181780015507`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	1,210 sqft Living Area
Gross Area	1,780 sqft
1st Floor Area	710 sqft
Upper Floors Area	500 sqft
Basement Area	570 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1902
Effective Year Built	Effective 1902
Lot Area	1,348 sqft (0.031 acres)
Porch	Open Porch
Porch Area	50 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	181780015507
Street Address	307 BOYLSTON AVE E
City	SEATTLE
State	WA
Zip	98102-5305
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	MR (M)
Legal Description	CRAWFORDS ADD S 1/2 W OF BOYLSTON AVE N PLAT BLOCK: D PLAT LOT: 6
Legal Range	04
Legal Township	25
Legal Section	29
Legal Subdivision	CRAWFORDS ADD
Legal Block	D
Legal Lot Number	6
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	2
Census Block	2003
Census Tract	7403

Owner

Source: King County records · APN 181780-0155

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	PO BOX 20275, SEATTLE, WA 98102-1275
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Nov 23, 1987
Deed Sale	Nov 23, 1987
Deed Document Number	198712110665
Deed Book / Page	1 / 189
Last Transfer Date	Jun 27, 2023
Transfer Doc	0000000097
Record Updated	Sep 20, 2026

July 2023: Transfer on Death Deed, Transfer

Document Type	Transfer on Death Deed
Jurisdiction	KING WA
Recording Date	Jul 03, 2023
Property Address	307 BOYLSTON AVE E, SEATTLE, WA 98102-5305
Document Number	0000000097
Map Reference	VOL 1 PG 189
Instrument Date	Jun 27, 2023
Instrument	20230703000097
Transaction Type	Transfer
Record Updated	Jul 13, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	PO BOX 20275, SEATTLE, WA 98102-1275

Transferred To (Grantee/Buyer)

Name	Verified Name

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	$2,953.00 (+1.13%) Senior Citizen's exemption
2025	$2,920.00 Senior Citizen's exemption	$751,000 (-1.83%) Land $575,000 Building $176,000	$751,000 (-1.83%) Land $575,000 Building $176,000
2024	$2,920.00 (-6.56%) Senior Citizen's exemption	$765,000 (+8.97%) Land $575,000 Building $190,000	$765,000 (-8.49%) Land $575,000 Building $190,000
2023	$3,125.00
2022	$3,125.00 Senior Citizen's exemption	$702,000 Land $198,000 Building $504,000	$836,000 Land $245,000 Building $591,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 23, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable · Fiber in parts of the area	2,000 / 2,000
Radiate Holdings Fiber · Cable	2,000 / 2,000
Verizon Fixed Wireless	1,000 / 75
AT&T Fixed Wireless	100 / 20

May also be available: Google Fiber, Lumen Technologies, T-Mobile USA.

Based on FCC filings for 332 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	SEATTLE PUBLIC UTILITIES serves 1,161,961 people
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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.