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4957 Antioch Loop, Union City, CA 94587 Property Records

Alameda County property record for 4957 Antioch Loop, Union City, CA 94587

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 1,871 sqft · built 1982
Lot Size0.142 acres (6,200 sqft)
Owner2 Company Names on File
Last Sale$528,000 (Oct 2008)
Tax Bill$9,439 (2025)
Deeds & MortgagesMay 2022 Transfer
Aug 2021 Transfer
Flood ZoneZone X (minimal risk)
APN543-433-80

Property Details

APN / Parcel Number

Primary APN543-433-80
Alternative APN
  • 543-0433-080-00

Interior

Bedrooms4 Beds
Full Baths3 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories2 Stories
Building Area1,871 sqft Living Area

Exterior

Year BuiltBuilt 1982
Effective Year BuiltEffective 1983
Architectural StyleOther
Construction TypeWood
Lot Area6,200 sqft (0.142 acres)

Location & Zoning

Street Address4957 ANTIOCH LOOP
CityUNION CITY
StateCA
Zip94587-5518
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTRACT 4529 LOT 79
JurisdictionALAMEDA CA
Township / Civil DivisionFREMONT
Census Block Group2
Census Block2008
Census Tract441501

Owner

Source: Alameda County records · APN 543-433-80

Assessment roll updated July 1, 2025 · Last verified October 2025

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

Owner of Record2 Company Names on File
Co-ownerVerified Secondary Owner
Mailing Address4936 ANTIOCH LOOP, UNION CITY, CA 94587-5516
Owner TypeCompany, Secondary Individual
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
May 18, 2022Correction Deed
Aug 20, 2021Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names3 Verified Names on Deed
Last SaleOct 02, 2008 · Amount on Record
Deed SaleOct 02, 2008 · Amount on Record
Prior SaleOct 02, 2008 · Amount on Record
Deed Document Number0000290847
Last Transfer DateAug 20, 2021
Transfer Doc0000283511
Record UpdatedJun 07, 2026

May 2022: Correction Deed

Document TypeCorrection Deed
JurisdictionALAMEDA CA
Recording DateMay 18, 2022
Property Address4957 ANTIOCH LOOP, UNION CITY, CA 94587-5518
Document Number0000096176
Map ReferenceMB 127 PG 31-35
Instrument DateApr 27, 2022
Instrument2022096176
Record UpdatedJun 07, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address4957 ANTIOCH LOOP, UNION CITY, CA 94587-5518

August 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionALAMEDA CA
Recording DateAug 20, 2021
Property Address4957 ANTIOCH LOOP, UNION CITY, CA 94587-5518
Document Number0000283511
Instrument DateJun 25, 2021
Instrument2021283511
Transaction TypeTransfer
Record UpdatedJun 07, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address4936 ANTIOCH LOOP, UNION CITY, CA 94587-5516

Tax Assessment & Valuation

Source: Alameda County records · Assessment roll updated July 1, 2025 · Last verified October 2025

Property Jurisdictions

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

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2025$9,439.00 (-0.1%)$679,888 (+4.04%) Land $203,966 Building $475,922
2023$9,448.00$653,494 Land $196,048 Building $457,446

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Alameda County (06001C), as of May 25, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060014415012, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies2 in force

Wildfire

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureIndirect
within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Robinson Hardware and Software Solutions
Fixed Wireless		1,000 / 1,000
Tekify
Fixed Wireless		570 / 120
Verizon
Fixed Wireless		300 / 20
Etheric Communications, LLC.
Fixed Wireless		250 / 100
Sail Internet Holdings
Fixed Wireless		200 / 100
T-Mobile USA
Fixed Wireless		100 / 20
AT&T
Fixed Wireless · DSL		100 / 20

May also be available: California Internet.

Based on FCC filings for 799 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CA0110001, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water SystemALAMEDA COUNTY WATER DISTRICT
serves 344,000 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.

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