434 Lakeside Ave S, Seattle, WA 98144 Property Records

King County property record for 434 Lakeside Ave S, Seattle, WA 98144

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.75 ba · 5,430 sqft · built 2024
Lot Size	0.259 acres (11,286 sqft)
Owner	2 Individual Names on File
Last Sale	$2,550,000 (Oct 2020)
Tax Bill	$68,761 (2026)
Deeds & Mortgages	Oct 2020 Sale & Mortgage May 2020 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`411460-1310`

Property Details

APN / Parcel Number

Primary APN	`411460-1310`
Alternative APN	`411460131005`

Interior

Bedrooms	4 Beds
Full Baths	4.75 Baths
Half Baths	4 Half Baths
Stories	1 Story
Building Area	5,430 sqft Living Area
Gross Area	6,090 sqft
1st Floor Area	1,490 sqft
2nd Floor Area	2,170 sqft
Upper Floors Area	2,010 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace
Elevator	Elevator

Exterior

Year Built	Built 2024
Effective Year Built	Effective 2024
Lot Area	11,286 sqft (0.259 acres)
View / Lot	Lake
Garage Type	Attached
Garage Area	660 sqft
Parking Spaces	2 Parking Spaces
Deck Area	500 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	411460131005
Street Address	434 LAKESIDE AVE S
City	SEATTLE
State	WA
Zip	98144-2619
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LR3
Legal Description	LAKE WASHINGTON SHORE LANDS ADD PCL 2 SEATTLE LBA #2005456 REC #20011016900006 SD LBA BEING POR LOT 7 & ALL LOTS 8 & 9 BLK 54 LAKE WASH SH LDS ADD TGW POR LOT 7 & ALL LOTS 8 & 9 BLK 74 BURKES 2ND ADD
Legal Range	04
Legal Township	24
Legal Section	03
Legal Subdivision	LAKE WASH SHORE LANDS ADD
Legal Block	54
Legal Lot Number	8-9
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	1
Census Block	1003
Census Tract	8900

Owner

434 Lakeside Ave S is owned by two individuals who bought it in October 2020.

Source: King County records, as of October 9, 2026

Owner of Record	2 Individual Names on File
Mailing Address	2600 S OCEAN BLVD, F, BOCA RATON, FL 33432-8419
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Oct 19, 2020	Warranty Deed, Transfer · Conventional Mortgage UBS BANK USA
May 4, 2020	Quit Claim Deed, Transfer NOT AVAILABLE
Sep 29, 2017	Warranty Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 19, 2020 · Amount on File
Deed Sale	Oct 19, 2020 · Amount on File
Prior Sale	Sep 29, 2017 · Amount on File
Deed Document Number	20201588
Prior Transfer Date	Apr 30, 2020
Prior Transfer Doc	0000000481
Record Updated	Oct 29, 2026

October 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Oct 19, 2020
Property Address	434 LAKESIDE AVE S, SEATTLE, WA 98144-2619
Document Number	0000001588
Map Reference	DOC 20011016900006
Instrument Date	Sep 28, 2020
Instrument	20201019001588
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	$59,930.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2600 S OCEAN BLVD PH F, F, BOCA RATON, FL 33432-8419

Mortgage

Document Number	0000001589
Date	Oct 19, 2020
Instrument	20201019001589

Lender

Name	UBS BANK USA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	2.5%
Type Change Date	Nov 1, 2027
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	7.5%
Index	1-Year LIBOR
Max Rate	7.5%

May 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	KING WA
Recording Date	May 4, 2020
Property Address	434 LAKESIDE AVE S, SEATTLE, WA 98144-2619
Document Number	0000000481
Instrument Date	Apr 30, 2020
Instrument	202005040481
Transaction Type	Transfer
Record Updated	May 15, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	1531 36TH AVE S SEATTLE WA 981444008, SEATTLE, WA 98144-4008

September 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Sep 29, 2017
Property Address	434 LAKESIDE AVE S, SEATTLE, WA 98144-2619
Document Number	0000000318
Instrument Date	Sep 21, 2017
Instrument	201709290318
Transaction Type	Transfer
Record Updated	Oct 5, 2017
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Amount	Amount on Record
Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1116 LAKESIDE AVE S SEATTLE WA 981443324, SEATTLE, WA 98144-3324

Tax Assessment & Valuation

The 2026 property tax bill for 434 Lakeside Ave S was $68,761.

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	$68,761.00
2025		$6,839,000 (+123.35%) Land $2,546,000 Building $4,293,000	$6,839,000 (+123.35%) Land $2,546,000 Building $4,293,000
2024	$29,101.00	$3,062,000 Land $2,546,000 Building $516,000	$3,062,000 Land $2,546,000 Building $516,000
2022	$20,137.00	$2,374,000 Land $2,373,000 Building $1,000	$2,374,000 Land $2,373,000 Building $1,000

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

Flood

FEMA maps place 434 Lakeside Ave S in Zone X, an area of minimal flood risk.

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

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 434 Lakeside Ave S 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 358 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
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband, Verizon.

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