4333 Cortez Ct, Union City, CA 94587 Property Records

Alameda County property record for 4333 Cortez Ct, Union City, CA 94587

Property Summary

Property TypeTownhouse
Details4 bd · 2.5 ba · 1,632 sqft · built 1972
Lot Size0.042 acres (1,840 sqft)
OwnerCompany Name on Record
Last Sale$115,000 (Mar 2014)
Tax Bill$5,959 (2025)
Deeds & MortgagesFeb 2017 Mortgage
Flood ZoneZone X (minimal risk)
APN483-97-39

Property Details

APN / Parcel Number

Primary APN483-97-39
Alternative APN
  • 483-0097-039-00

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories2 Stories
Building Area1,632 sqft Living Area

Exterior

Year BuiltBuilt 1972
Effective Year BuiltEffective 1975
Architectural StyleCustom Design
Construction TypeWood
Lot Area1,840 sqft (0.042 acres)
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address4333 CORTEZ CT
CityUNION CITY
StateCA
Zip94587-3806
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Townhouse
Legal DescriptionLOT: 00012 BLK: TR: 3268
Legal Tract3268
Legal Lot Number12
JurisdictionALAMEDA CA
Township / Civil DivisionFREMONT
Census Block Group1
Census Block1000
Census Tract440304

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 RecordCompany Name on Record
Mailing Address8284 LA RIVIERA DR, SACRAMENTO, CA 95826-1671
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMar 20, 2014 · Amount on Record
Deed SaleMar 20, 2014 · Amount on Record
Prior SaleFeb 25, 2010 · Amount on Record
Deed Document Number201472436
Prior Transfer DateMar 13, 2014
Prior Transfer Doc0000072436
Record UpdatedOct 29, 2026

February 2017: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionALAMEDA CA
Recording DateFeb 22, 2017
Property Address4333 CORTEZ CT, UNION CITY, CA 94587-3806
Document Number0000046481
Map ReferenceMB75 PG14
Instrument DateFeb 13, 2017
Instrument2017046481
Transaction TypeTransfer
Record UpdatedAug 19, 2021
Title CompanyOLD REPUBLIC TITLE COMPANY

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address4333 CORTEZ CT, UNION CITY, CA 94587-3806

Mortgage

Document Number0000046482
DateFeb 22, 2017
Instrument2017046482
Lender
NameNEW AMERICAN FUNDING
TypeLending Institution
Agreement
TypeARM
AmountAmount Recorded
Term361 Months
DueMar 1, 2047
Interest
Rate TypeAdjustable Rate
Rate3.37%
Type Change DateMar 1, 2024
Change FrequencyAnnually
Min Rate At Change2.25%
Max Rate At Change8.37%
Index1-Year LIBOR
Max Rate8.37%

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$413,968 (+2%) Land $124,190 Building $289,778
2025$5,959.00 (-1.29%)$405,853 (+4.04%) Land $121,756 Building $284,097
2023$6,037.00$390,097 Land $117,029 Building $273,068$832,320

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
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Claims1 (1991)
Most Recent ClaimOct 1991 · other causes

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 621 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL in parts of the area
5,000 / 5,000
Xfinity
Cable
2,000 / 250
RobinsonHSS
Fixed Wireless
1,000 / 1,000
Tekify Fiber & Wireless
Fixed Wireless
570 / 120
Unwired
Fixed Wireless
300 / 25
Etheric Networks
Fixed Wireless
250 / 100
T-Mobile
Fixed Wireless
100 / 20

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