4820 40th Ave W, Seattle, WA 98199 Property Records

King County property record for 4820 40th Ave W, Seattle, WA 98199

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.25 ba · 3,640 sqft · built 1987
Lot Size	0.223 acres (9,710 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,065,000 (Mar 2022)
Tax Bill	$22,825 (2026)
Deeds & Mortgages	Mar 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`102503-9284`

Property Details

APN / Parcel Number

Primary APN	`102503-9284`
Alternative APN	`102503928404`

Interior

Bedrooms	4 Beds
Full Baths	3.25 Baths
Half Baths	2 Half Baths
Stories	2 Stories
Building Area	3,640 sqft Living Area
Gross Area	4,760 sqft
1st Floor Area	1,560 sqft
2nd Floor Area	830 sqft
Basement Area	1,650 sqft
Finished Basement	1,250 sqft
Unfinished Basement	400 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1987
Effective Year Built	Effective 1987
Lot Area	9,710 sqft (0.223 acres)
View / Lot	Water View
Garage Type	Attached
Garage Area	720 sqft
Parking Spaces	3 Parking Spaces
Porch	Open Porch
Porch Area	180 sqft
Deck Area	290 sqft

Utilities, Heating & Cooling

Heating Fuel	Electric
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	102503928404
Street Address	4820 40TH AVE W
City	SEATTLE
State	WA
Zip	98199-1122
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	NR2
Legal Description	LOT 2 SEATTLE SP #83-338 REC #8401250788 SD SP DAF POR OF SEC 10-25-3: E 80 FT OF N 243.94 FT OF S 302.54 FT OF NE 1/4 OF SW 1/4 SD SEC TGW W 72.50 FT OF N 243.94 FT OF S 302.54 FT OF NW 1/4 OF SE 1/4 SD SEC 10
Legal Range	03
Legal Township	25
Legal Section	10
Legal Block	284
Legal Lot Number	2
Jurisdiction	KING WA
Township / Civil Division	SEATTLE
Census Block Group	1
Census Block	1012
Census Tract	5700

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	2 Individual Names on Record
Mailing Address	4820 40TH AVE W, SEATTLE, WA 98199-1122
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Married Couple

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 4, 2022 · Amount on Record
Deed Sale	Mar 4, 2022 · Amount on Record
Prior Sale	Apr 14, 1988 · Amount on Record
Deed Document Number	2022990
Record Updated	Oct 29, 2026

March 2022: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	KING WA
Recording Date	Mar 4, 2022
Property Address	4820 40TH AVE W, SEATTLE, WA 98199-1122
Document Number	0000000990
Map Reference	DOC 840125788
Instrument Date	Mar 2, 2022
Instrument	20220304000990
Transaction Type	Transfer
Record Updated	Mar 16, 2022
Title Company	MODUS TITLE LLC, MODUS TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$44,167.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4820 40TH AVE W, SEATTLE, WA 98199-1122

Mortgage

Document Number	0000000991
Date	Mar 4, 2022
Instrument	20220304000991

Lender

Name	CALIBER HOME LOANS INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 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	$22,825.00 (+10.13%)
2025		$2,203,000 (+2.42%) Land $1,119,000 Building $1,084,000	$2,203,000 (+2.42%) Land $1,119,000 Building $1,084,000
2024	$20,725.00 (+13.94%)	$2,151,000 (+0.8%) Land $1,098,000 Building $1,053,000	$2,151,000 (+0.8%) Land $1,098,000 Building $1,053,000
2022	$18,189.00	$2,134,000 Land $960,000 Building $1,174,000	$2,134,000 Land $960,000 Building $1,174,000

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
Nearby Flood Policies	9 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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 95% of the US · lower than 97.1% of Washington
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

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 44 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