10434 Forest Ave S, Seattle, WA 98178 Property Records

King County property record for 10434 Forest Ave S, Seattle, WA 98178

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 3,480 sqft · built 1952
Lot Size	0.187 acres (8,165 sqft)
Owner	Individual Name on Record
Last Sale	$1,400,000 (Apr 2021)
Tax Bill	$13,493 (2026)
Deeds & Mortgages	Apr 2021 Sale Jan 2021 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`405880-0570`

Property Details

APN / Parcel Number

Primary APN	`405880-0570`
Alternative APN	`405880057006`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	2 Half Baths
Building Area	3,480 sqft Living Area
Gross Area	4,410 sqft
1st Floor Area	1,230 sqft
2nd Floor Area	1,350 sqft
Basement Area	1,140 sqft
Finished Basement	900 sqft
Unfinished Basement	240 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1952
Effective Year Built	Effective 2009
Lot Area	8,165 sqft (0.187 acres)
View / Lot	Water View
Garage Type	Attached
Garage Area	690 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	60 sqft
Deck Area	340 sqft

Utilities, Heating & Cooling

Heating System	Heat Pump
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	405880057006
Street Address	10434 FOREST AVE S
City	SEATTLE
State	WA
Zip	98178-2606
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-6
Legal Description	LAKE RIDGE DIV # 2 PLAT BLOCK: 23 PLAT LOT: 21
Legal Subdivision	LAKE RIDGE DIV NO. 02
Legal Block	23
Legal Lot Number	21
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	1
Census Block	1003
Census Tract	26001

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	2531 1ST AVE N, SEATTLE, WA 98109-1802
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Apr 30, 2021	Warranty Deed, Transfer TICOR TITLE INSURANCE COMPANY, TICOR TITLE
Jan 8, 2021	Warranty Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE LLC
Jan 16, 2019	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 30, 2021 · Amount on Record
Deed Sale	Apr 30, 2021 · Amount on Record
Prior Sale	Jan 8, 2021 · Amount on Record
Deed Document Number	20211026
Prior Transfer Date	Dec 17, 1992
Prior Transfer Doc	0012240000
Record Updated	Oct 29, 2026

April 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Apr 30, 2021
Property Address	10434 FOREST AVE S, SEATTLE, WA 98178-2606
Document Number	0000001026
Map Reference	VOL 4 PG 102
Instrument Date	Apr 24, 2021
Instrument	20210430001026
Transaction Type	Transfer
Record Updated	May 12, 2021
Title Company	TICOR TITLE INSURANCE COMPANY, TICOR TITLE

Transaction

Amount	Amount Recorded
Tax	$24,025.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2531 1ST AVE N, SEATTLE, WA 98109-1802

January 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Jan 8, 2021
Property Address	10434 FOREST AVE S, SEATTLE, WA 98178-2606
Document Number	0000001007
Map Reference	VOL 32 PG 37-40
Instrument Date	Dec 31, 2020
Instrument	20210108001007
Transaction Type	Transfer
Record Updated	Jul 30, 2021
Title Company	TICOR TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$17,795.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	10434 FOREST AVE S, SEATTLE, WA 98178-2606

Mortgage

Document Number	0000001008
Date	Jan 8, 2021
Instrument	20210108001008

Lender

Name	UNITED WHOLESALE MORTGAGE LLC
Type	Non-Lending Institution

Agreement

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

January 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	KING WA
Recording Date	Jan 16, 2019
Property Address	10434 FOREST AVE S, SEATTLE, WA 98178-2606
Document Number	0000000357
Instrument Date	Jan 14, 2019
Instrument	201901160357
Transaction Type	Transfer
Record Updated	Jan 29, 2019

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	10434 FOREST AVE S SEATTLE WA 981782606, SEATTLE, WA 98178-2606

Tax Assessment & Valuation

Source: King County assessment roll, as of July 7, 2026

Property Jurisdictions

Type	Name
State	Washington
County	King County
Unified School District	Renton School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$13,493.00 (+2.91%)
2025		$1,141,000 (-2.65%) Land $511,000 Building $630,000	$1,141,000 (-2.65%) Land $511,000 Building $630,000
2024	$13,112.00 (+2.35%)	$1,172,000 (-3.46%) Land $538,000 Building $634,000	$1,172,000 (-3.46%) Land $538,000 Building $634,000
2022	$12,811.00	$1,214,000 Land $416,000 Building $798,000	$1,214,000 Land $416,000 Building $798,000

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 · 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
Community Rating System	Class 2 (40% premium discount)
Nearby Flood Policies	1 in force
Nearby Flood Claims	1 (2010)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Dec 2010 · rainfall accumulation

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	SKYWAY WATER & SEWER serves 12,036 people · EPA ID WA5338800
Water Source	Purchased surface water from several systems
Last State Inspection	Oct 2022
Lead	Under 1 ppb (2023–2025) 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 220 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
CenturyLink Fiber	2,000 / 1,000
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T, Verizon.

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