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649 Mills Ave, Los Altos, CA 94022 Property Records

Santa Clara County property record for 649 Mills Ave, Los Altos, CA 94022

Property Summary

Property TypeSingle Family Home
Details5 bd · 4.5 ba · 4,304 sqft · built 2011
Lot Size0.357 acres (15,568 sqft)
Owner2 Individual Names on File
Last Sale$5,200,000 (Sep 2017)
Tax Bill$70,314 (2025)
Deeds & MortgagesSep 2017 Sale
Sep 2017 Sale
Flood ZoneZone X (moderate risk)
APN189-34-021

Property Details

APN / Parcel Number

Primary APN189-34-021

Interior

Bedrooms5 Beds
Full Baths4.5 Baths
Half Baths1 Half Bath
Total Rooms13 Rooms
Stories2 Stories
Building Area4,304 sqft Living Area
1st Floor Area2,843 sqft
2nd Floor Area1,461 sqft
Family RoomFamily Room
Utility RoomUtility Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2011
Effective Year BuiltEffective 2011
Architectural StyleH-Shape
Construction TypeWood
Lot Area15,568 sqft (0.357 acres)
Lot Dimensions139 ft deep x 112 ft wide
Garage Area413 sqft
Parking Spaces2 Parking Spaces
Pool TypePool with Hot Tub/Spa
PorchPorch

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C

Location & Zoning

Street Address649 MILLS AVE
CityLOS ALTOS
StateCA
Zip94022-3132
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1AB
Legal DescriptionLOT B
Legal SubdivisionBERKELEY PARK
Legal Lot NumberB
JurisdictionSANTA CLARA CA
Township / Civil DivisionSAN JOSE
Census Block Group1
Census Block1002
Census Tract510200

Owner

649 Mills Ave is owned and occupied by two individuals who bought it in September 2017.

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

Owner of Record2 Individual Names on File
Mailing Address649 MILLS AVE, LOS ALTOS, CA 94022-3132
OccupancyOwner Occupied
Owner TypeIndividual

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

DateDocument
Sep 22, 2017Grant Deed, Transfer
CHICAGO TITLE COMPANY, CHICAGO TITLE CO
Sep 22, 2017Grant Deed, Transfer
CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 22, 2017 · Amount on File
Deed SaleSep 22, 2017 · Amount on File
Prior SaleDec 1, 2011 · Amount on File
Deed Document Number201723759755
Prior Transfer DateMar 14, 2011
Prior Transfer Doc0000019043
Record UpdatedOct 29, 2026

September 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSANTA CLARA CA
Recording DateSep 22, 2017
Property Address649 MILLS AVE, LOS ALTOS, CA 94022-3132
Document Number0023759755
Instrument DateSep 15, 2017
Instrument23759755
Transaction TypeTransfer
Record UpdatedOct 2, 2017
Title CompanyCHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

AmountAmount on Record
Tax$5,720.00
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address649 MILLS AVE LOS ALTOS HILLS CA 940223132, LOS ALTOS HILLS, CA 94022-3132

September 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSANTA CLARA CA
Recording DateSep 22, 2017
Property Address649 MILLS AVE, LOS ALTOS, CA 94022-3132
Document Number0023759754
Instrument DateSep 6, 2017
Instrument23759754
Transaction TypeTransfer
Record UpdatedSep 29, 2017
Title CompanyCHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address18612 DECATUR RD MONTE SERENO CA 950303029, MONTE SERENO, CA 95030-3029

Tax Assessment & Valuation

The 2025 property tax bill for 649 Mills Ave was $70,314 with a homeowner's exemption.

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

Property Jurisdictions

TypeName
StateCalifornia
CountySanta Clara County
MunicipalityLos Altos City
Elementary School DistrictLos Altos Elementary School District (KG - 08)
Secondary School DistrictMountain View-Los Altos Union School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$6,035,042 (+2%) Land $4,062,049 Building $1,972,993
2025$70,314.00 Homeowner's exemption$5,916,708 Land $3,982,401 Building $1,934,307
2023$67,031.00 (-0.52%) Homeowner's exemption$5,686,957 Land $3,827,760 Building $1,859,197
2022$67,381.00

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

Flood

FEMA maps place 649 Mills Ave in Zone X, an area of moderate flood risk.

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

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies7 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 649 Mills Ave 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 RiskNot 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 SystemCWSC LOS ALTOS SUBURBAN
private · serves 63,559 people · EPA ID CA4310001
Water SourcePurchased surface water from several systems
Last State InspectionAug 2024
Lead2 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 563 locations within half a mile, as of December 31, 2025

ProviderMax 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.

Nearby Properties on Mills Ave

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