30009 Ahern Ave, Union City, CA 94587 Property Records

Alameda County property record for 30009 Ahern Ave, Union City, CA 94587

Property Summary

Property TypeWarehouse, Storage
Details5.5 ba · 45,024 sqft · built 1987
Lot Size1.11 acres (48,484 sqft)
OwnerCompany Name on Record
Tax Bill$65,175 (2025)
Flood ZoneZone X (minimal risk)
APN463-45-90

Property Details

APN / Parcel Number

Primary APN463-45-90
Alternative APN
  • 463-0045-090-00

Interior

Full Baths5.5 Baths
Half Baths1 Half Bath
Units6 Units
Stories1 Story
Building Area45,024 sqft Total Area

Exterior

Year BuiltBuilt 1987
Effective Year BuiltEffective 1987
Architectural StyleL-Shape
Construction TypeMasonry / Concrete Block
Fire ResistanceMasonry Walls, Wood Interior
Lot Area48,484 sqft

Location & Zoning

Street Address30009 AHERN AVE
CityUNION CITY
StateCA
Zip94587-1234
Property CategoryIndustrial
Property TypeIndustrial > Warehouse, Storage
Legal DescriptionPARCEL MAPS 174 PG 64 LOT 1
Legal Lot Number1
JurisdictionALAMEDA CA
Township / Civil DivisionFREMONT
Census Block Group1
Census Block1005
Census Tract440333

Owner

Source: Alameda County records, as of August 27, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordCompany Name on Record
Mailing Address1800 WAZEE ST, DENVER, CO 80202-1577
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateOct 1, 1998
Transfer Doc0000379419
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
MunicipalityUnion City
Unified School DistrictNew Haven Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$4,774,932 (+2%) Land $2,114,272 Building $2,660,660
2025$65,175.00 (+7.75%)$4,681,313 (+4.04%) Land $2,072,819 Building $2,608,494
2023$60,486.00$4,499,593 Land $1,992,356 Building $2,507,237

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

Flood

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

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies2 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 RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% 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 SystemALAMEDA COUNTY WATER DISTRICT
serves 344,000 people · EPA ID CA0110001
Water SourceSurface water
Last State InspectionNov 2025
LeadUnder 1 ppb (2022–2024)
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 43 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Tekify Fiber & Wireless
Fixed Wireless
1,000 / 1,000
Unwired
Fixed Wireless
300 / 25

May also be available: AT&T, Etheric Networks, GeoLinks, RobinsonHSS, T-Mobile.

Nearby Properties on Ahern Ave

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