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

King County property record for 510 N 48th St, Seattle, WA 98103

Property Summary

Property Type	Townhouse
Details	4 bd · 2.5 ba · 1,780 sqft · built 2024
Lot Size	0.025 acres (1,100 sqft)
Owner	Individual Name on File
Last Sale	$1,248,000 (Nov 2024)
Tax Bill	$10,573 (2026)
Deeds & Mortgages	Dec 2020 Construction Loan Mar 2019 Sale & Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`952110-0160`

Property Details

APN / Parcel Number

Primary APN	`952110-0160`
Alternative APN	`952110016005`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	1,780 sqft Living Area
1st Floor Area	610 sqft
2nd Floor Area	610 sqft
Upper Floors Area	80 sqft
Basement Area	480 sqft
Finished Basement	480 sqft

Exterior

Year Built	Built 2024
Effective Year Built	Effective 2024
Architectural Style	Townhouse
Lot Area	1,100 sqft (0.025 acres)
Garage Type	Detached
Garage Area	250 sqft
Porch	Open Porch
Porch Area	330 sqft
Deck Area	530 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	952110016005
Street Address	510 N 48TH ST
City	SEATTLE
State	WA
Zip	98103-6414
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Townhouse
Local Zoning Code	LR1 (M)
Legal Description	WOODLAND ADD TO SALMON BAY CITY PCL A OF SEATTLE SP #3037837-LU REC #20220119900007 SD SP DAF - LOT 2 OF BLK 12 OF SD ADD PLAT BLOCK: 12 PLAT LOT: 2
Legal Range	04
Legal Township	25
Legal Section	07
Legal Subdivision	WOODLAND ADD TO SALMON BAY CITY
Legal Block	12
Legal Lot Number	2
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	1
Census Block	1009
Census Tract	4901

Owner

510 N 48th St, a townhouse, is owned by an individual who bought it in November 2024.

Source: King County records, as of July 7, 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	Individual Name on File
Mailing Address	508 N 48TH ST, SEATTLE, WA 98103-6414
Owner Type	Individual
Vesting	Married Couple

Deeds, Mortgages & Sale History

Date	Document
Dec 23, 2020	Warranty Deed, Construction Loan · Construction Mortgage COLUMBIA STATE BANK
Mar 15, 2019	Warranty Deed, Transfer · ARM FIRST FINANCIAL NORTHWEST BANK
Nov 13, 2018	Warranty Deed, Transfer
Nov 13, 2018	Warranty Deed, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 27, 2024 · Amount on File
Deed Sale	Nov 27, 2024 · Amount on File
Prior Sale	Nov 1, 2024 · Amount on File
Deed Document Number	20241254
Prior Transfer Date	Dec 2, 1997
Prior Transfer Doc	0000002719
Record Updated	Oct 29, 2026

December 2020: Warranty Deed, Construction Loan

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Dec 23, 2020
Property Address	506 N 48TH ST, SEATTLE, WA 98103-6414
Document Number	0000001997
Map Reference	VOL 2 PG 66
Instrument Date	Dec 18, 2020
Instrument	20201223001997
Transaction Type	Construction Loan
Record Updated	Jul 30, 2021
Title Company	CHICAGO TITLE

Transaction

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

Transferred From (Grantor/Seller)

Name	Verified Name
Address	7556 12TH AVE NE, 7556, SEATTLE, WA 98115-4318

Transferred To (Grantee/Buyer)

Name	Verified Name
Investor	Possibly a Property Investor

Mortgage

Document Number	0000001998
Date	Dec 23, 2020
Instrument	20201223001998

Lender

Name	COLUMBIA STATE BANK
Type	Bank

Agreement

Type	Construction Mortgage
Amount	Amount on Record

March 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Mar 15, 2019
Property Address	506 N 48TH ST, SEATTLE, WA 98103-6414
Document Number	0000001111
Map Reference	VOL 2 PG 66
Instrument Date	Mar 13, 2019
Instrument	20190315001111
Transaction Type	Transfer
Record Updated	Jul 30, 2021
Title Company	CHICAGO TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$16,826.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	412 SENECA ST, SEATTLE, WA 98101

Mortgage

Document Number	0000001113
Date	Mar 15, 2019
Instrument	20190315001113

Lender

Name	FIRST FINANCIAL NORTHWEST BANK
Type	Bank

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2049

Interest

Rate Type	Adjustable Rate
Rate	4.5%
Type Change Date	Apr 1, 2024
Change Frequency	Annually
Min Rate At Change	4.5%
Max Rate At Change	6.5%
Index	1-Year LIBOR
Max Rate	10.5%

November 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Nov 13, 2018
Property Address	506 N 48TH ST, SEATTLE, WA 98103-6414
Document Number	0000000701
Instrument Date	Oct 19, 2018
Instrument	201811130701
Transaction Type	Transfer
Record Updated	Nov 30, 2018

Transaction

Amount	Amount on Record
Tax	$10.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2303 W COMMODORE WAY #304 SEATTLE WA 981991560, 304, SEATTLE, WA 98199-1560

November 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Nov 13, 2018
Property Address	506 N 48TH ST, SEATTLE, WA 98103-6414
Document Number	0000000702
Instrument Date	Oct 19, 2018
Instrument	201811130702
Transaction Type	Transfer
Record Updated	Nov 30, 2018

Transaction

Amount	Amount on Record
Tax	$10.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	2303 W COMMODORE WAY #304 SEATTLE WA 981991560, 304, SEATTLE, WA 98199-1560

Tax Assessment & Valuation

The 2026 property tax bill for 510 N 48th St was $10,573, up 19.6% 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	$10,573.00 (+19.59%)
2025	$8,841.00	$1,040,000 (+11.35%) Land $300,000 Building $740,000	$1,040,000 (+11.35%) Land $300,000 Building $740,000
2024	$8,841.00	$934,000 Land $361,000 Building $573,000	$934,000 Land $361,000 Building $573,000
2022	$8,218.00	$966,000 Land $461,000 Building $505,000	$966,000 Land $461,000 Building $505,000

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

Flood

FEMA maps place 510 N 48th St in Zone X, an area of minimal flood risk.

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

The area around 510 N 48th St 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 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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