30047 Ahern Ave, Union City, CA 94587 Property Records

Alameda County property record for 30047 Ahern Ave, Union City, CA 94587

Property Summary

Property TypeWarehouse, Storage
Details2.5 ba · 105,408 sqft · built 1992
Lot Size5.93 acres (258,311 sqft)
OwnerCompany Name on Record
Tax Bill$134,908 (2025)
Flood ZoneZone X (minimal risk)
APN463-45-43-2

Property Details

APN / Parcel Number

Primary APN463-45-43-2
Alternative APN
  • 463-0045-043-02

Interior

Full Baths2.5 Baths
Half Baths1 Half Bath
Units2 Units
Stories1 Story
Building Area105,408 sqft Total Area

Exterior

Year BuiltBuilt 1992
Effective Year BuiltEffective 1992
Architectural StyleCustom Design
Construction TypeMasonry / Concrete Block
Fire ResistanceMasonry Walls, Wood Interior
Lot Area258,311 sqft

Location & Zoning

Street Address30047 AHERN AVE
CityUNION CITY
StateCA
Zip94587-1234
Property CategoryIndustrial
Property TypeIndustrial > Warehouse, Storage
JurisdictionALAMEDA CA
Township / Civil DivisionFREMONT
Census Block Group1
Census Block1004
Census Tract440333

Owner

Source: Alameda County records, as of August 5, 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
Record UpdatedSep 20, 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$9,277,712 (+2%) Land $4,573,520 Building $4,704,192
2025$134,908.00 (+14.07%)$9,095,810 (+4.04%) Land $4,483,850 Building $4,611,960
2023$118,266.00$8,742,727 Land $4,309,795 Building $4,432,932

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
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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