1017 I St, Union City, CA 94587 Property Records

Alameda County property record for 1017 I St, Union City, CA 94587

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 1,198 sqft · built 1916
Lot Size0.138 acres (6,000 sqft)
OwnerIndividual Name on Record
Tax Bill$2,283 (2025)
Flood ZoneZone X (minimal risk)
APN486-30-15

Property Details

APN / Parcel Number

Primary APN486-30-15
Alternative APN
  • 486-0030-015-00

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories2 Stories
Building Area1,198 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1916
Effective Year BuiltEffective 1916
Architectural StyleL-Shape
Exterior MaterialStucco
Construction TypeWood
Roof MaterialComposition Shingle
Lot Area6,000 sqft (0.138 acres)
Lot Dimensions100 ft deep x 60 ft wide

Utilities, Heating & Cooling

Heating SystemFloor/Wall Furnace
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address1017 I ST
CityUNION CITY
StateCA
Zip94587-3449
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT: 00009 BLK: 000E MP: 0019 PAGE: 0043
Legal SubdivisionDECOTO
Legal Lot Number9
JurisdictionALAMEDA CA
Township / Civil DivisionFREMONT
Census Block Group2
Census Block2012
Census Tract440200

Owner

Source: Alameda County records, as of August 14, 2026

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

Owner of RecordIndividual Name on Record
Mailing Address1017 I ST, UNION CITY, CA 94587-3449
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedSep 20, 2026

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$109,020 (+2.13%) Land $66,297 Building $49,723
2025$2,283.00 (-16.86%) Homeowner's exemption$106,746 (-2.36%) Land $64,998 Building $48,748
2023$2,746.00 Homeowner's exemption$109,329 Land $62,474 Building $46,855$655,020

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; 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
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 220 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber
10,000 / 10,000
Tekify Fiber & Wireless
Fixed Wireless
10,000 / 10,000
AT&T
Fiber · Fixed Wireless, DSL in parts of the area
5,000 / 5,000
Xfinity
Cable · Fiber in parts of the area
2,000 / 250
RobinsonHSS
Fixed Wireless
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20

May also be available: GeoLinks, Sail Internet, T-Mobile.

Nearby Properties on I St

Nearby Streets

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