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515 C St, Union City, CA 94587 Property Records

Alameda County property record for 515 C St, Union City, CA 94587

Property Summary

Property TypeDuplex
Details4 bd · 2 ba · 1,564 sqft · built 1971
Lot Size0.114 acres (4,970 sqft)
OwnerTrust Name on File
Last Sale$30,000 (Jan 2002)
Tax Bill$6,952 (2025)
Deeds & MortgagesSep 2021 Transfer
Feb 2021 Transfer
Flood ZoneZone X (minimal risk)
APN486-15-45

Property Details

APN / Parcel Number

Primary APN486-15-45
Alternative APN
  • 486-0015-045-00

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Units2 Units
Stories1 Story
Building Area1,564 sqft Living Area

Exterior

Year BuiltBuilt 1971
Effective Year BuiltEffective 1971
Construction TypeWood
Lot Area4,970 sqft (0.114 acres)

Location & Zoning

Street Address515 C ST
CityUNION CITY
StateCA
Zip94587-2125
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Legal DescriptionLOT: 00045 BLK: AR: 0486 PAGE: 0015
Legal SubdivisionDECOTO
Legal Block14
Legal Lot Number8
JurisdictionALAMEDA CA
Township / Civil DivisionFREMONT
Census Block Group4
Census Block4014
Census Tract440200

Owner

515 C St, a duplex, is held in a trust since January 2002.

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

Owner of RecordTrust Name on File
Mailing Address8062 S EL DORADO ST, FRENCH CAMP, CA 95231-9730
Owner TypeCompany
VestingTrust

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 8, 2021Correction Deed
Feb 22, 2021Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJan 29, 2002 · Amount on File
Deed SaleJan 29, 2002 · Amount on File
Prior SaleFeb 3, 1994 · Amount on File
Deed Document Number200245650
Prior Transfer DateJan 25, 1994
Prior Transfer Doc0000048372
Record UpdatedOct 29, 2026

September 2021: Correction Deed

Document TypeCorrection Deed
JurisdictionALAMEDA CA
Recording DateSep 8, 2021
Property Address515 C ST, UNION CITY, CA 94587-2125
Document Number0000303118
Map ReferenceMB 19 PG 43
Instrument DateAug 10, 2021
Instrument2021303118
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address8062 S EL DORADO ST, FRENCH CAMP, CA 95231-9730

February 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionALAMEDA CA
Recording DateFeb 22, 2021
Property Address515 C ST, UNION CITY, CA 94587-2125
Document Number0000074463
Map ReferenceMB 19 PG 43
Instrument DateFeb 11, 2021
Instrument2021074463
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address8062 S EL DORADO ST, FRENCH CAMP, CA 95231-9730

Tax Assessment & Valuation

The 2025 property tax bill for 515 C St was $6,952.

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$436,027 (+2%) Land $150,674 Building $285,353
2025$6,952.00$427,479 Land $147,720 Building $279,759
2023$7,824.00$410,883 Land $141,985 Building $268,898

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

Flood

FEMA maps place 515 C St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.

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 Claims1 (1998)
Claims Outside the SFHA1 of 1
Most Recent ClaimFeb 1998 · Severe Winter Storms And Flooding

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 515 C St is moderate, ranking above 53% of the US, with a 0.1% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskModerate
above 53% of the US · lower than 68% of California
Wildfire Likelihood0.1% annual chance
ExposureIndirect
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 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 583 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber		10,000 / 10,000
AT&T
Fiber · Fixed Wireless, DSL in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Tekify Fiber & Wireless
Fixed Wireless		1,000 / 1,000
RobinsonHSS
Fixed Wireless		1,000 / 1,000

May also be available: GeoLinks, T-Mobile, Verizon.

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