539 E Main St, Ontario, CA 91761 Property Records

San Bernardino County property record for 539 E Main St, Ontario, CA 91761 · Last verified July 2026

Property Summary

Property TypeLight Industrial
Lot Size0.307 acres (13,365 sqft)
Owner2 Company Names on File
Tax Bill$351 (2025)
Flood ZoneZone AH (high risk)
APN1049-031-07-0000

Property Details

APN / Parcel Number

Primary APN1049-031-07-0000

Exterior

Lot Area13,365 sqft (0.307 acres)
Total Buildings2 Buildings

Utilities, Heating & Cooling

SewerConnected

Location & Zoning

Street Address539 E MAIN ST
CityONTARIO
StateCA
Zip91761
Property CategoryIndustrial
Property TypeIndustrial > Light Industrial
Legal DescriptionV1LLA PLOTS SOUTH S1DE TR E 1/2 LOT 3 BLK 1O8
Legal TractE
Legal Block108
Legal Lot Number3
JurisdictionSAN BERNARDINO CA
Township / Civil DivisionONTARIO
Census Block Group5
Census Block5001
Census Tract1600

Owner

Source: San Bernardino County records · APN 1049-031-07-0000

Assessment roll updated July 14, 2026 · Last verified July 2026

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

Owner of Record2 Company Names on File
Mailing Address17023 EDGEWATER LN, HUNTINGTON BEACH, CA 92649-4207
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last Transfer DateJun 21, 2021
Transfer Doc0000290526
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: San Bernardino County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySan Bernardino County
MunicipalityOntario City
Secondary School DistrictChaffey Joint Union High School District (09 - 12)
Elementary School DistrictOntario-Montclair School District (KG - 08)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

YearTax BillAssessed Value
2026$30,507 (+2%) Land $13,277 Building $17,230
2025$351.00 (+5.41%)$29,909 (+4.04%) Land $13,017 Building $16,892
2023$333.00 (+1.22%)$28,748 Land $12,512 Building $16,236
2022$329.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, San Bernardino County (06071C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone AH
shallow ponding 1–3 ft
Special Flood Hazard AreaYes
Flood HazardHigh
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood Elevation986.0 ft
Flood Insurance RequirementRequired (federally backed mortgages)

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 412 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
FrontierFiber7,000 / 7,000
SpectrumCable1,000 / 1,000
VerizonFixed Wireless300 / 20
AT&TFixed Wireless100 / 20
StarlinkSatellite (low-earth orbit)280 / 30

May also be available at this address: T-Mobile USA, California Internet, Spectrum. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

Nearby Properties on E Main St

Nearby Streets

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