509 N 48th St, Seattle, WA 98103 Property Records

King County property record for 509 N 48th St, Seattle, WA 98103

Property Summary

Property Type	Townhouse
Details	3 bd · 3.25 ba · 2,080 sqft · built 2019
Lot Size	0.035 acres (1,541 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,100,000 (Oct 2019)
Tax Bill	$12,098 (2026)
Deeds & Mortgages	Mar 2021 Mortgage Sep 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`085000-0436`

Property Details

APN / Parcel Number

Primary APN	`085000-0436`
Alternative APN	`085000043605`

Interior

Bedrooms	3 Beds
Full Baths	3.25 Baths
Half Baths	2 Half Baths
Stories	2 Stories
Building Area	2,080 sqft Living Area
1st Floor Area	740 sqft
2nd Floor Area	740 sqft
Upper Floors Area	90 sqft
Basement Area	510 sqft
Finished Basement	510 sqft

Exterior

Year Built	Built 2019
Effective Year Built	Effective 2019
Architectural Style	Townhouse
Lot Area	1,541 sqft (0.035 acres)
Garage Type	Carport
Garage Area	220 sqft
Carport	Carport
Carport Area	220 sqft
Parking Spaces	1 Parking Space
Deck Area	660 sqft

Utilities, Heating & Cooling

Heating System	Heat Pump
Heating Fuel	Electric
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	085000043605
Street Address	509 N 48TH ST
City	SEATTLE
State	WA
Zip	98103-6413
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Townhouse
Local Zoning Code	LR1 (M)
Legal Description	BLACKMARS SUPL OF WOODLAND ADD LOT B OF SEATTLE SP# 3031015-LU REC# 20190723900008 SD SP POR OF LOTS 3-4 OF BLK 13 OF SD ADD
Legal Range	04
Legal Township	25
Legal Section	07
Legal Subdivision	BLACKMARS SUPL OF WOODLAND ADD
Legal Block	13
Legal Lot Number	3-4
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	1
Census Block	1016
Census Tract	4901

Owner

Source: King County records, as of July 7, 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 Record
Mailing Address	509 N 48TH ST, SEATTLE, WA 98103-6413
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Mar 19, 2021	Deed of Trust, Mortgage · Conventional Mortgage CROSSCOUNTRY MORTGAGE LLC
Sep 8, 2020	Deed of Trust, Mortgage · Conventional Mortgage WASHINGTON TRUST BANK
Oct 2, 2019	Warranty Deed, Subdivision Related Transfer · Conventional Mortgage WASHINGTON TRUST BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 2, 2019 · Amount on Record
Deed Sale	Oct 2, 2019 · Amount on Record
Deed Document Number	20191257
Record Updated	Sep 20, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	509 N 48TH ST, SEATTLE, WA 98103-6413
Transaction Type	Mortgage
Record Updated	Sep 15, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000186
Date	Mar 19, 2021
Instrument	20210319000186

Lender

Name	CROSSCOUNTRY MORTGAGE LLC
Type	Mortgage Company
Address	BRECKSVILLE, OH 44141

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2051

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KING WA
Property Address	509 N 48TH ST, SEATTLE, WA 98103-6413
Transaction Type	Mortgage
Record Updated	Sep 15, 2021
Title Company	RAINIER TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000001762
Date	Sep 8, 2020
Instrument	20200908001762

Lender

Name	WASHINGTON TRUST BANK
Type	Bank
Address	SPOKANE, WA 99201

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2050

October 2019: Warranty Deed, Subdivision Related Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Oct 2, 2019
Property Address	509 N 48TH ST, SEATTLE, WA 98103-6413
Document Number	0000001257
Instrument Date	Sep 26, 2019
Instrument	20191002001257
Transaction Type	Subdivision Related Transfer
Record Updated	Sep 15, 2021
Title Company	CHICAGO TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$19,585.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	509 N 48TH ST, SEATTLE, WA 98103-6413

Mortgage

Document Number	0000001258
Date	Oct 2, 2019
Instrument	20191002001258

Lender

Name	WASHINGTON TRUST BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2049

Tax Assessment & Valuation

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	$12,098.00 (+36.42%)
2025		$1,194,000 (+27.43%) Land $300,000 Building $894,000	$1,194,000 (+27.43%) Land $300,000 Building $894,000
2024	$8,868.00 (+0.88%)	$937,000 (-11.1%) Land $361,000 Building $576,000	$937,000 (-11.1%) Land $361,000 Building $576,000
2022	$8,791.00	$1,054,000 Land $318,000 Building $736,000	$1,054,000 Land $318,000 Building $736,000

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

Flood

Source: FEMA National Flood Hazard Layer, effective September 23, 2026

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

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

Wildfire

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 793 locations within half a mile, as of December 31, 2025

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

May also be available: Astound Broadband.

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