4943 Antioch Loop, Union City, CA 94587 Property Records

Alameda County property record for 4943 Antioch Loop, Union City, CA 94587

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 1,871 sqft · built 1982
Lot Size0.218 acres (9,479 sqft)
Owner2 Individual Names on Record
Last Sale$1,850,000 (Jan 2026)
Tax Bill$10,636 (2025)
Deeds & MortgagesJan 2026 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN543-433-51

Property Details

APN / Parcel Number

Primary APN543-433-51
Alternative APN
  • 543-0433-051-00

Interior

Bedrooms4 Beds
Full Baths2.5 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 StyleL-Shape
Construction TypeWood
Lot Area9,479 sqft (0.218 acres)

Location & Zoning

Street Address4943 ANTIOCH LOOP
CityUNION CITY
StateCA
Zip94587-5518
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT: 00050 BLK: TR: 4529
Legal SubdivisionTRACT 4529 FILED MAY 15 1981 IN BOOK 127
Legal Tract4529
Legal Lot Number50
JurisdictionALAMEDA CA
Township / Civil DivisionFREMONT
Census Block Group2
Census Block2006
Census Tract441501

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 Record2 Individual Names on Record
Mailing Address4943 ANTIOCH LOOP, UNION CITY, CA 94587-5518
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJan 9, 2026 · Amount on Record
Deed SaleJan 9, 2026 · Amount on Record
Prior SaleMar 22, 2002 · Amount on Record
Deed Document Number20262879
Prior Transfer DateMar 26, 1997
Prior Transfer Doc0000080155
Record UpdatedOct 29, 2026

January 2026: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionALAMEDA CA
Recording DateJan 9, 2026
Property Address4943 ANTIOCH LOOP, UNION CITY, CA 94587-5518
Document Number0000002879
Map ReferenceMB 127 PG 31 TO 35
Instrument DateDec 17, 2025
Instrument2026002879
Transaction TypeTransfer
Record UpdatedFeb 13, 2026
Title CompanyOLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRight of Survivorship
Address4943 ANTIOCH LOOP, UNION CITY, CA 94587-5518

Mortgage

Document Number0000002880
DateJan 9, 2026
Instrument2026002880
Lender
NameWELLS FARGO BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueFeb 1, 2056
Interest
Rate TypeAdjustable Rate
Rate5.62%
AdjustableAdjustable Rate Rider
Type Change DateFeb 1, 2033
Change Frequency6 Months
Min Rate At Change3.62%
Max Rate At Change7.62%
IndexOther
Max Rate10.6%

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 ValueAssessed Market Value
2026$791,037 (+2%) Land $237,311 Building $553,726
2025$10,636.00 (+0.64%)$775,530 (+4.04%) Land $232,659 Building $542,871
2023$10,568.00$745,420 Land $223,626 Building $521,794$1,419,660

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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
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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