4951 Antioch Loop, Union City, CA 94587 Property Records

Alameda County property record for 4951 Antioch Loop, Union City, CA 94587

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,268 sqft · built 1982
Lot Size0.148 acres (6,463 sqft)
Owner2 Trust Names on File
Last Sale$383,500 (Jun 2021)
Tax Bill$7,684 (2025)
Deeds & MortgagesJun 2021 Sale & Mortgage
Aug 2018 Line of Credit
+ 1 more
Flood ZoneZone X (minimal risk)
APN543-433-55

Property Details

APN / Parcel Number

Primary APN543-433-55
Alternative APN
  • 543-0433-055-00

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms5 Rooms
Stories1 Story
Building Area1,268 sqft Living Area

Exterior

Year BuiltBuilt 1982
Effective Year BuiltEffective 1983
Architectural StyleL-Shape
Construction TypeWood
Lot Area6,463 sqft (0.148 acres)

Location & Zoning

Street Address4951 ANTIOCH LOOP
CityUNION CITY
StateCA
Zip94587-5518
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT: 00054 BLK: TR: 4529
Legal SubdivisionTRACT 4529
Legal Tract4529
Legal Lot Number54
JurisdictionALAMEDA CA
Township / Civil DivisionFREMONT
Census Block Group2
Census Block2006
Census Tract441501

Owner

4951 Antioch Loop is owner-occupied and held in a trust since May 2025.

Source: Alameda County records, as of August 26, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record2 Trust Names on File
Mailing Address4951 ANTIOCH LOOP, UNION CITY, CA 94587-5518
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Jun 21, 2021Grant Deed, Transfer · Conventional Mortgage
QUICKEN LOANS LLC
Aug 22, 2018Deed of Trust, Mortgage · Line of Credit
BANK OF AMERICA
Jul 17, 2018Deed of Trust, Mortgage · Conventional Mortgage
BANK OF AMERICA

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 21, 2021 · Amount on File
Deed SaleJun 21, 2021 · Amount on File
Prior SaleOct 19, 2001 · Amount on File
Deed Document Number2021221856
Last Transfer DateMay 9, 2025
Transfer Doc0000083517
Record UpdatedOct 29, 2026

June 2021: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionALAMEDA CA
Recording DateJun 21, 2021
Property Address4951 ANTIOCH LOOP, UNION CITY, CA 94587-5518
Document Number0000221856
Map ReferenceMB 127 PG 31-35
Instrument DateJun 14, 2021
Instrument2021221856
Transaction TypeTransfer
Record UpdatedJul 7, 2021
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATL TTL ORANGE CNT

Transaction

AmountAmount on Record
Tax$0.00
Amount AccuracyCalculated from Transfer Tax

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address4951 ANTIOCH LOOP, UNION CITY, CA 94587-5518

Mortgage

Document Number0000221857
DateJun 21, 2021
Instrument2021221857
Lender
NameQUICKEN LOANS LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueJul 1, 2051

August 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionALAMEDA CA
Property Address4951 ANTIOCH LOOP, UNION CITY, CA 94587-5518
Document Number0000180516
Instrument DateAug 22, 2018
Transaction TypeMortgage
Record UpdatedOct 3, 2018
Title CompanyWFG LENDER SERVICES

Transferred To (Grantee/Buyer)

NameVerified Name
Address4951 ANTIOCH LOOP UNION CITY CA 945875518, UNION CITY, CA 94587-5518

Mortgage

Document Number0000180516
DateSep 17, 2018
Instrument180516
Lender
NameBANK OF AMERICA
TypeBank
AddressTAMPA, FL 33634
Agreement
TypeLine of Credit
AmountAmount on Record
Interest
Rate TypeAdjustable Rate

July 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionALAMEDA CA
Property Address4951 ANTIOCH LOOP, UNION CITY, CA 94587-5518
Document Number0000152719
Instrument DateJul 17, 2018
Transaction TypeMortgage
Record UpdatedNov 21, 2018
Title CompanyOTHER

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address4951 ANTIOCH LOOP UNION CITY CA 945875518, UNION CITY, CA 94587-5518

Mortgage

Document Number0000152719
DateAug 3, 2018
Instrument152719
Lender
NameBANK OF AMERICA
TypeBank
AddressCHARLOTTE, NC 28255
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueAug 2, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 4951 Antioch Loop was $7,684 with a homeowner's exemption, down 5% from the year before.

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 ValueAssessed Market Value
2026$550,493 (+2.03%) Land $167,248 Building $390,245
2025$7,684.00 (-5.01%)$539,563 Land $163,969 Building $382,594
2024$8,089.00 (+3.69%)
2023$7,801.00 Homeowner's exemption$525,344 Land $157,603 Building $367,741$1,136,970

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 4951 Antioch Loop in Zone X, an area of minimal flood risk.

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

Wildfire risk around 4951 Antioch Loop is low, with a 0.01% annual chance of 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
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 799 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
RobinsonHSS
Fixed Wireless
1,000 / 1,000
Tekify Fiber & Wireless
Fixed Wireless
570 / 120
Verizon
Fixed Wireless
300 / 20
Etheric Networks
Fixed Wireless
250 / 100
Sail Internet
Fixed Wireless
200 / 100
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless · DSL
100 / 20

May also be available: GeoLinks.

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