620 Sierra Ave, Mountain View, CA 94041 Property Records

Santa Clara County property record for 620 Sierra Ave, Mountain View, CA 94041

Property Summary

Property TypeSingle Family Home
Details2 bd · 1.5 ba · 1,506 sqft · built 1941
Lot Size0.117 acres (5,100 sqft)
OwnerTrust Name on Record
Tax Bill$2,036 (2025)
Flood ZoneZone X (minimal risk)
APN158-09-030

Property Details

APN / Parcel Number

Primary APN158-09-030

Interior

Bedrooms2 Beds
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories1 Story
Building Area1,506 sqft Living Area
Gross Area1,107 sqft
1st Floor Area1,107 sqft
Family RoomFamily Room
Utility RoomUtility Room

Exterior

Year BuiltBuilt 1941
Effective Year BuiltEffective 1980
Architectural StyleCustom Design
Construction TypeWood
Lot Area5,100 sqft (0.117 acres)
Lot Dimensions100 ft deep x 51 ft wide
Garage TypeCarport
Garage Area170 sqft
CarportCarport
Carport Area170 sqft
PorchPorch

Utilities, Heating & Cooling

Cooling SystemNone
Heating SystemHVAC

Location & Zoning

Street Address620 SIERRA AVE
CityMOUNTAIN VIEW
StateCA
Zip94041-2147
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionLOT 77
Legal SubdivisionNELSON MANOR
Legal Lot Number77
JurisdictionSANTA CLARA CA
Township / Civil DivisionSAN JOSE
Census Block Group1
Census Block1007
Census Tract509600

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 RecordTrust Name on Record
Mailing Address620 SIERRA AVE, MOUNTAIN VIEW, CA 94041-2147
OccupancyOwner Occupied
Owner TypeIndividual
VestingTrust, Living Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateNov 5, 2013
Transfer Doc0022441652
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$154,545 (+2%) Land $29,895 Building $124,650
2025$2,036.00 (+4.95%) Homeowner's exemption$151,515 (+4.04%) Land $29,309 Building $122,206
2023$1,940.00 (+0.52%) Homeowner's exemption$145,633 Land $28,172 Building $117,461
2022$1,930.00

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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 SystemCITY OF MOUNTAIN VIEW
serves 81,340 people · EPA ID CA4310007
Water SourcePurchased surface water from several systems
Last State InspectionFeb 2025
LeadUnder 1 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. 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 538 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless, DSL in parts of the area
5,000 / 5,000
Xfinity
Cable · Fiber in parts of the area
2,000 / 2,000
Etheric Networks
Fixed Wireless
250 / 100
Ridge Wireless
Fixed Wireless
100 / 60
T-Mobile
Fixed Wireless
100 / 20

May also be available: Astound Broadband, Cruzio, GeoLinks, Verizon.

Nearby Properties on Sierra Ave

Nearby Streets

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