521 16th Ave E, Unit 4, Seattle, WA 98112 Property Records

King County property record for 521 16th Ave E, Unit 4, Seattle, WA 98112

Property Summary

Property Type	Condominium
Details	1 bd · 1 ba · 722 sqft · built 1908
Lot Size	0.125 acres (5,446 sqft)
Owner	Individual Name on Record
Last Sale	$515,000 (Dec 2021)
Tax Bill	$4,438 (2026)
Deeds & Mortgages	Dec 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`778785-0040`

Property Details

APN / Parcel Number

Primary APN	`778785-0040`
Alternative APN	`778785004004`

Interior

Bedrooms	1 Bed
Full Baths	1 Bath
Stories	3 Stories
Building Area	722 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1908
Effective Year Built	Effective 2001
Architectural Style	Condo/Apartment
Construction Type	Wood
Lot Area	5,446 sqft (0.125 acres)

Utilities, Heating & Cooling

Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	778785004004
Street Address	521 16TH AVE E, 4
City	SEATTLE
State	WA
Zip	98112-4661
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	LR3 (M)
Legal Description	SIENA ON CAPITAL HILL CONDOMINIUM PCT UND INT 8.64
Legal Range	4
Legal Township	25
Legal Section	28
Legal Subdivision	SIENA ON CAPITAL HILL
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	1
Census Block	1008
Census Tract	7600

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	Individual Name on Record
Mailing Address	521 16TH AVE E, 4, SEATTLE, WA 98112-4661
Owner Type	Individual
Vesting	Unmarried

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 30, 2021 · Amount on Record
Deed Sale	Dec 30, 2021 · Amount on Record
Prior Sale	Mar 28, 2007 · Amount on Record
Deed Document Number	2021622
Record Updated	Sep 20, 2026

December 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Dec 30, 2021
Property Address	521 16TH AVE E UNIT 4, 4, SEATTLE, WA 98112-4661
Document Number	0000000622
Map Reference	VOL 224 PG 75-77
Instrument Date	Dec 23, 2021
Instrument	20211230000622
Transaction Type	Transfer
Record Updated	Jan 12, 2022
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount Recorded
Tax	$8,272.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	521 16TH AVE E UNIT 4, 4, SEATTLE, WA 98112-4661

Mortgage

Document Number	0000000623
Date	Dec 30, 2021
Instrument	20211230000623

Lender

Name	PENRITH HOME LOANS LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2052

Mortgage

Document Number	0000001353
Date	Jan 7, 2022
Instrument	20220107001353

Lender

Name	PENRITH HOME LOANS LLC
Type	Mortgage Company
Address	SEATTLE, WA 98101

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 1, 2052

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	$4,438.00 (+6.58%)
2025		$433,000 (-1.14%) Land $141,100 Building $291,900	$433,000 (-1.14%) Land $141,100 Building $291,900
2024	$4,164.00 (+2.81%)	$438,000 (-9.5%) Land $150,500 Building $287,500	$438,000 (-9.5%) Land $150,500 Building $287,500
2022	$4,050.00	$484,000 Land $110,500 Building $373,500	$484,000 Land $110,500 Building $373,500

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 · 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

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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