1509 E Mercer St, Seattle, WA 98112 Property Records

King County property record for 1509 E Mercer St, Seattle, WA 98112

Property Summary

Property Type	Apartments (5+ Units)
Details	13,160 sqft · built 1907
Lot Size	0.13 acres (5,670 sqft)
Owner	Company Name on File
Last Sale	$5,000,000 (May 2023)
Tax Bill	$43,339 (2026)
Deeds & Mortgages	May 2023 Sale & Construction Loan Feb 2020 Loan Modification + 1 more
Flood Zone	Zone X (minimal risk)
APN	`423240-0545`

Property Details

APN / Parcel Number

Primary APN	`423240-0545`
Alternative APN	`423240054506`

Interior

Units	13 Units
Stories	3 Stories
Building Area	13,160 sqft Adjusted Area
Gross Area	18,900 sqft

Exterior

Year Built	Built 1907
Effective Year Built	Effective 1994
Architectural Style	Custom Design
Exterior Material	Brick Veneer
Construction Type	Wood
Lot Area	5,670 sqft (0.13 acres)

Utilities, Heating & Cooling

Cooling System	Wall Unit
Heating System	Floor/Wall Furnace
Heating Fuel	Electric
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	423240054506
Street Address	1509 E MERCER ST
City	SEATTLE
State	WA
Zip	98112-4639
Property Category	Residential
Property Type	Residential > Multi-Unit > Apartments (5+ Units)
Local Zoning Code	NC2P-55 (M
Legal Description	LAWS ADD W 63 FT
Legal Range	04
Legal Township	25
Legal Section	28
Legal Subdivision	LAWS ADD
Legal Block	16
Legal Lot Number	1-2
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	1
Census Block	1008
Census Tract	7600

Owner

1509 E Mercer St, a residential property, is owned by a company that bought it in May 2023.

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	Company Name on File
Mailing Address	232 7TH AVE N, 100, SEATTLE, WA 98109-5007
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Date	Document
May 31, 2023	Warranty Deed, Construction Loan · Construction Mortgage WASHINGTON TRUST BANK
Feb 25, 2020	Loan Modification, Mortgage · Conventional Mortgage MISCELLANEOUS GOVT AGCY
Jun 9, 2014	Loan Modification, Mortgage · Conventional Mortgage MISCELLANEOUS GOVT AGCY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 31, 2023 · Amount on File
Deed Sale	May 31, 2023 · Amount on File
Prior Sale	Dec 29, 1986
Deed Document Number	20231463
Record Updated	Oct 29, 2026

May 2023: Warranty Deed, Construction Loan

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	May 31, 2023
Property Address	1509 E MERCER ST, SEATTLE, WA 98112-4639
Document Number	0000001463
Map Reference	VOL 1 PG 51
Instrument Date	May 31, 2023
Instrument	20230531001463
Transaction Type	Construction Loan
Record Updated	Jun 12, 2023
Title Company	FIDELITY NATIONAL 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	232 7TH AVE N # 100, 100, SEATTLE, WA 98109-5007

Mortgage

Document Number	0000001464
Date	May 31, 2023
Instrument	20230531001464

Lender

Name	WASHINGTON TRUST BANK
Type	Bank

Agreement

Type	Construction Mortgage
Amount	Amount on Record

February 2020: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	KING WA
Property Address	1509 E MERCER ST, SEATTLE, WA 98112-4639
Document Number	0000000587
Instrument Date	Feb 25, 2020
Transaction Type	Mortgage
Record Updated	Mar 16, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1620 12TH AVE #205 SEATTLE WA 981222568, 205, SEATTLE, WA 98122-2568

Mortgage

Document Number	0000000587
Date	Mar 3, 2020
Instrument	202003030587

Lender

Name	MISCELLANEOUS GOVT AGCY
Address	700 5TH AVE # 5700, SEATTLE, WA 98104-5032

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	12 Months
Due	Mar 2, 2021

June 2014: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	KING WA
Property Address	1509 E MERCER ST, SEATTLE, WA 98112-4639
Document Number	0000001137
Instrument Date	Jun 9, 2014
Transaction Type	Mortgage
Record Updated	Aug 20, 2018
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1402 3RD AVE #200 SEATTLE WA 981012118, 200, SEATTLE, WA 98101-2118

Mortgage

Document Number	0000001137
Date	May 19, 2017
Instrument	201705191137

Lender

Name	MISCELLANEOUS GOVT AGCY
Address	SEATTLE, WA 98104

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	24 Months
Due	May 18, 2019

Tax Assessment & Valuation

The 2026 property tax bill for 1509 E Mercer St was $43,339, down 2% 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	$43,339.00 (-1.97%)
2025	$44,208.00	$4,239,000 (-9.29%) Land $2,268,000 Building $1,971,000	$4,239,000 (-9.29%) Land $2,268,000 Building $1,971,000
2024	$44,208.00	$4,673,000 Land $2,268,000 Building $2,405,000	$4,673,000 Land $2,268,000 Building $2,405,000
2022	$38,018.00	$4,549,000 Land $2,268,000 Building $2,281,000	$4,549,000 Land $2,268,000 Building $2,281,000

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

Flood

FEMA maps place 1509 E Mercer St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2017.

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
Nearby Flood Claims	1 (2017)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Feb 2017 · Severe Winter Storms, Flooding, Landslides, Mudslides

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 1509 E Mercer 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 931 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
CenturyLink Fiber · DSL in parts of the area	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
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Google Fiber.

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