4891 Patterson Pass Rd, Livermore, CA 94550 Property Records

Alameda County property record for 4891 Patterson Pass Rd, Livermore, CA 94550

Property Summary

Property TypeGovernment / Public Use
Lot Size3.53 acres (154,104 sqft)
OwnerCompany Name on File
Flood ZoneZone X (moderate risk)
APN99A-2902-19

Property Details

APN / Parcel Number

Primary APN99A-2902-19
Alternative APN
  • 099A-2902-019-00

Exterior

Lot Area154,104 sqft

Location & Zoning

Street Address4891 PATTERSON PASS RD
CityLIVERMORE
StateCA
Zip94550
Property CategoryPublic Works
Property TypePublic Works > Government / Public Use
Legal DescriptionLOT: 0000J BLK: MP: 0095 PAGE: 0205
JurisdictionALAMEDA CA
Township / Civil DivisionLIVERMORE-PLEASANTON
Census Block Group1
Census Block1039
Census Tract451504

Owner

4891 Patterson Pass Rd, a public works property, is owned by a company.

Source: Alameda County records, as of August 5, 2026

Owner of RecordCompany Name on File
Mailing Address399 ELMHURST ST, HAYWARD, CA 94544-1307
Owner TypeCompany

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

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
MunicipalityLivermore City
Unified School DistrictLivermore Valley Joint Unified School District (KG - 12)

Flood

FEMA maps place 4891 Patterson Pass Rd in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Nearest Special Flood Hazard AreaZone AE, within 100 ft
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies1 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

Wildfire risk around 4891 Patterson Pass Rd 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 RiskLow
lower than 96% of the US · lower than 97.4% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 LIVERMORE
serves 38,892 people · EPA ID CA0110011
Water SourcePurchased surface water from ZONE 7 WATER AGENCY
Last State InspectionSep 2024
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 725 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 2,000
Unwired
Fixed Wireless
300 / 25
T-Mobile
Fixed Wireless
100 / 20
AT&T
DSL
100 / 20

May also be available: Verizon.

Nearby Properties on Patterson Pass Rd

Nearby Streets

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