4100 Asimuth Cir, Union City, CA 94587 Property Records

Alameda County property record for 4100 Asimuth Cir, Union City, CA 94587

Property Summary

Property TypeTownhouse
Details3 bd · 1.5 ba · 1,214 sqft · built 1974
Lot Size0.038 acres (1,656 sqft)
Owner2 Individual Names on Record
Tax Bill$2,733 (2025)
Deeds & MortgagesAug 2019 Reverse Mortgage
Aug 2019 Mortgage
Flood ZoneZone X (minimal risk)
APN483-102-156

Property Details

APN / Parcel Number

Primary APN483-102-156
Alternative APN
  • 483-0102-156-00

Interior

Bedrooms3 Beds
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms5 Rooms
Stories2 Stories
Building Area1,214 sqft Living Area

Exterior

Year BuiltBuilt 1974
Effective Year BuiltEffective 1976
Architectural StyleCustom Design
Exterior MaterialStucco
Construction TypeWood
Roof MaterialTile
Lot Area1,656 sqft (0.038 acres)

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address4100 ASIMUTH CIR
CityUNION CITY
StateCA
Zip94587-4024
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Townhouse
Legal DescriptionLOT: 00084 BLK: TR: 3218
Legal SubdivisionTRACT 3218
Legal Tract3218
Legal Lot Number84
JurisdictionALAMEDA CA
Township / Civil DivisionFREMONT
Census Block Group1
Census Block1011
Census Tract440306

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 Address4100 ASIMUTH CIR, UNION CITY, CA 94587-4024
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Aug 29, 2019Deed of Trust, Mortgage · Reverse Mortgage
ONE REVERSE MORTGAGE LLC
Aug 21, 2019Deed of Trust, Mortgage · FHA Mortgage
COMMISSIONER/HSNG & URBAN DEV

Assessor's Deed Record

Deed Names2 Names on Deed
Record UpdatedSep 20, 2026

August 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionALAMEDA CA
Property Address4100 ASIMUTH CIR, UNION CITY, CA 94587-4024
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyAMROCK INC

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000169965
DateAug 29, 2019
Instrument2019169965
Lender
NameONE REVERSE MORTGAGE LLC
TypeReverse Mortgage Lender
AddressSAN DIEGO, CA 92121
Agreement
TypeReverse Mortgage
AmountAmount Recorded
Interest
Rate TypeAdjustable Rate
Rate3.44%
Type Change DateSep 1, 2020
Change FrequencyAnnually
Index1-Year LIBOR

August 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionALAMEDA CA
Property Address4100 ASIMUTH CIR, UNION CITY, CA 94587-4024
Document Number0000169966
Instrument DateAug 21, 2019
Transaction TypeMortgage
Record UpdatedSep 30, 2019
Title CompanyOTHER

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address4100 ASIMUTH CIR UNION CITY CA 945874024, UNION CITY, CA 94587-4024

Mortgage

Document Number0000169966
DateAug 29, 2019
Instrument169966
Lender
NameCOMMISSIONER/HSNG & URBAN DEV
AddressWASHINGTON, DC 20410
Agreement
TypeFHA Mortgage
AmountAmount Recorded
Term1044 Months
Interest
Rate TypeAdjustable Rate
Rate3.44%

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$153,463 (-2.45%) Land $21,164 Building $139,299
2025$2,733.00 (-9.08%) Homeowner's exemption$157,318 (+4.04%) Land $20,750 Building $136,568
2023$3,006.00 Homeowner's exemption$151,209 Land $19,944 Building $131,265$698,310

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

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 94% of the US · lower than 96% of California
Wildfire LikelihoodUnder 0.01% 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 712 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
580 / 125
Etheric Networks
Fixed Wireless
250 / 100
AT&T
Fixed Wireless · DSL
100 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: GeoLinks, Unwired, Verizon.

Nearby Properties on Asimuth Cir

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