581 Jay St, Los Altos, CA 94022 Property Records

Santa Clara County property record for 581 Jay St, Los Altos, CA 94022

Property Summary

Property Type	Single Family Home
Details	2 bd · 2 ba · 1,902 sqft · built 1948
Lot Size	0.448 acres (19,500 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,500,000 (Sep 2020)
Tax Bill	$43,186 (2025)
Deeds & Mortgages	Sep 2020 Sale Sep 2020 Transfer
Flood Zone	Zone X (moderate risk)
APN	`170-20-062`

Property Details

APN / Parcel Number

Primary APN	`170-20-062`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,902 sqft Living Area
Gross Area	1,327 sqft
1st Floor Area	1,327 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1948
Architectural Style	H-Shape
Construction Type	Wood
Lot Area	19,500 sqft (0.448 acres)
Lot Dimensions	195 ft deep x 100 ft wide
Garage Area	399 sqft
Parking Spaces	1 Parking Space
Porch	Porch

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Street Address	581 JAY ST
City	LOS ALTOS
State	CA
Zip	94022-2362
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LA
Legal Description	TRACT 223 EL MONTE COURT BOOK 7 PAGE 49 LOT 12
Legal Subdivision	EL MONTE COURT
Legal Tract	223
Legal Lot Number	12
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	3
Census Block	3000
Census Tract	510400

Owner

Source: Santa Clara County records, as of July 27, 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	168 ALVARADO AVE, LOS ALTOS, CA 94022-1219
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 21, 2020	Grant Deed, Transfer WFG NATIONAL TITLE INS CO
Sep 21, 2020	Quit Claim Deed, Transfer WFG NATIONAL TITLE INSURANCE, WFG NAT'L TITLE INS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 21, 2020 · Amount on Record
Deed Sale	Sep 21, 2020 · Amount on Record
Deed Document Number	202024622670
Prior Transfer Date	Sep 15, 2020
Prior Transfer Doc	0024622671
Record Updated	Oct 29, 2026

September 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Sep 21, 2020
Property Address	581 JAY ST, LOS ALTOS, CA 94022-2362
Document Number	0024622670
Map Reference	MB 7 PG 49
Instrument Date	Sep 15, 2020
Instrument	24622670
Transaction Type	Transfer
Record Updated	Sep 1, 2021
Title Company	WFG NATIONAL TITLE INS CO

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	581 JAY ST, LOS ALTOS, CA 94022-2362

September 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Sep 21, 2020
Property Address	581 JAY ST, LOS ALTOS, CA 94022-2362
Document Number	0024622671
Instrument Date	Aug 15, 2020
Instrument	24622671
Transaction Type	Transfer
Record Updated	Oct 1, 2020
Title Company	WFG NATIONAL TITLE INSURANCE, WFG NAT'L TITLE INS

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	581 JAY ST LOS ALTOS CA 940222362, LOS ALTOS, CA 94022-2362

Tax Assessment & Valuation

Source: Santa Clara County assessment roll, as of July 27, 2026

Property Jurisdictions

Type	Name
State	California
County	Santa Clara County
Municipality	Los Altos City
Elementary School District	Los Altos Elementary School District (KG - 08)
Secondary School District	Mountain View-Los Altos Union School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$3,643,465 (+2%) Land $3,588,262 Building $55,203
2025	$43,186.00 (+5.68%)	$3,572,025 (+4.04%) Land $3,517,904 Building $54,121
2023	$40,863.00 (+0.5%)	$3,433,320 Land $3,381,300 Building $52,020
2022	$40,658.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective January 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	2 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	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	CWSC LOS ALTOS SUBURBAN private · serves 63,559 people · EPA ID CA4310001
Water Source	Purchased surface water from several systems
Last State Inspection	Aug 2024
Lead	2 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 447 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250
Cruzio Fixed Wireless	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
Ridge Wireless Fixed Wireless	100 / 60

May also be available: GeoLinks, T-Mobile.

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