604 Harrington Ave, Los Altos, CA 94024 Property Records

Santa Clara County property record for 604 Harrington Ave, Los Altos, CA 94024

Property Summary

Property Type	Single Family Home
Details	4 bd · 5.5 ba · 4,529 sqft · built 2003
Lot Size	0.351 acres (15,300 sqft)
Owner	Trust Name on File
Last Sale	$1,380,000 (Apr 2002)
Tax Bill	$43,001 (2025)
Deeds & Mortgages	Oct 2021 Mortgage Jun 2020 Mortgage
Flood Zone	Zone X (moderate risk)
APN	`189-41-055`

Property Details

APN / Parcel Number

Primary APN	`189-41-055`

Interior

Bedrooms	4 Beds
Full Baths	5.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	3 Stories
Building Area	4,529 sqft Living Area
Gross Area	4,685 sqft
1st Floor Area	2,275 sqft
2nd Floor Area	1,228 sqft
Basement Area	156 sqft
Family Room	Family Room
Utility Room	Utility Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2003
Architectural Style	H-Shape
Construction Type	Wood
Lot Area	15,300 sqft (0.351 acres)
Lot Dimensions	180 ft deep x 85 ft wide
Garage Area	583 sqft
Parking Spaces	2 Parking Spaces
Pool Type	Pool with Hot Tub/Spa
Porch	None

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Street Address	604 HARRINGTON AVE
City	LOS ALTOS
State	CA
Zip	94024-4847
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R110
Legal Description	TRACT 354 DOUD JONES TR BOOK 12 PAGE 40 PAGE 41 BLOCK 5 LOT 23
Legal Subdivision	DOUD JONES TR
Legal Tract	354
Legal Block	5
Legal Lot Number	23
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	3
Census Block	3006
Census Tract	510200

Owner

604 Harrington Ave is owner-occupied and held in a trust since March 2013.

Source: Santa Clara County records, as of July 27, 2026

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

Owner of Record	Trust Name on File
Mailing Address	604 HARRINGTON AVE, LOS ALTOS, CA 94024-4847
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Oct 25, 2021	Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA
Jun 11, 2020	Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 9, 2002 · Amount on File
Deed Sale	Apr 9, 2002 · Amount on File
Deed Document Number	200216202905
Last Transfer Date	Mar 21, 2013
Transfer Doc	0022171522
Record Updated	Oct 29, 2026

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	604 HARRINGTON AVE, LOS ALTOS, CA 94024-4847
Transaction Type	Mortgage
Record Updated	Nov 2, 2021
Title Company	NORTH AMERICAN TITLE COMPANY, NORTH AMERICAN TITLE CO INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	604 HARRINGTON AVE, LOS ALTOS, CA 94024-4847

Mortgage

Document Number	0025142597
Date	Oct 25, 2021
Instrument	25142597

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank
Address	COLUMBUS, OH 43240

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	181 Months
Due	Nov 1, 2036

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	604 HARRINGTON AVE, LOS ALTOS, CA 94024-4847
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	AMROCK TITLE CALIFORNIA INC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0024502099
Date	Jun 11, 2020
Instrument	24502099

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank
Address	COLUMBUS, OH 43240

Agreement

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

Tax Assessment & Valuation

The 2025 property tax bill for 604 Harrington Ave was $43,001.

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		$3,549,873 (+2%) Land $2,034,244 Building $1,515,629
2025	$43,001.00	$3,480,268 Land $1,994,357 Building $1,485,911
2023	$40,434.00 (+1.66%)	$3,345,126 Land $1,916,914 Building $1,428,212
2022	$39,772.00

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

Flood

FEMA maps place 604 Harrington Ave in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 11 policies
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	11 in force
Nearby Flood Claims	2 (1995–1998)
Most Recent Claim	Jan 1998 · 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

Wildfire risk around 604 Harrington Ave is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 97% of the US · lower than 97.8% of California
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	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 503 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless in parts of the area	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: T-Mobile.

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