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10845 Ada Ave, Ontario, CA 91762 Property Records

San Bernardino County property record for 10845 Ada Ave, Ontario, CA 91762

Property Summary

Property TypeSingle Family Home
Details1 bd · 1 ba · 800 sqft · built 1961
Lot Size0.155 acres (6,750 sqft)
OwnerIndividual Name on File
Last Sale$220,000 (Aug 2004)
Tax Bill$3,391 (2025)
Deeds & MortgagesMay 2026 Sale
May 2026 Transfer
Flood ZoneZone X (minimal risk)
APN1011-283-06-0000

Property Details

APN / Parcel Number

Primary APN1011-283-06-0000

Interior

Bedrooms1 Bed
Full Baths1 Bath
Total Rooms4 Rooms
Stories1 Story
Building Area800 sqft Living Area
1st Floor Area800 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1961
Effective Year BuiltEffective 1961
Architectural StyleConventional
Construction TypeFrame
Roof MaterialBuilt-Up Asphalt
Lot Area6,750 sqft (0.155 acres)
Lot Dimensions135 ft deep x 50 ft wide
View / LotAverage

Utilities, Heating & Cooling

Cooling SystemNone
Heating SystemFloor/Wall Furnace
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address10845 ADA AVE
CityMONTCLAIR
StateCA
Zip91763
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeCS
Legal DescriptionMONTE VISTA TR 2 LOT 36 BLK 5
Legal SubdivisionMONTE VISTA
Legal Tract2
Legal Block5
Legal Lot Number36
JurisdictionSAN BERNARDINO CA
Township / Civil DivisionONTARIO
Census Block Group1
Census Block1010
Census Tract304

Owner

10845 Ada Ave is owned and occupied by an individual who acquired it in November 2009.

Source: San Bernardino County records, as of July 14, 2026

Owner of RecordIndividual Name on File
Mailing Address10845 ADA AVE, ONTARIO, CA 91762-3904
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
May 28, 2026Affidavit, Transfer
May 28, 2026Gift Deed, Transfer
NONE LISTED ON DOCUMENT

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 18, 2004 · Amount on File
Deed SaleAug 18, 2004 · Amount on File
Prior SaleDec 18, 1998 · Amount on File
Deed Document Number2004598088
Last Transfer DateNov 5, 2009
Transfer Doc0000010883
Record UpdatedOct 29, 2026

May 2026: Affidavit, Transfer

Document TypeAffidavit
JurisdictionSAN BERNARDINO CA
Recording DateMay 28, 2026
Property Address10845 ADA AVE, ONTARIO, CA 91762-3904
Document Number0000133885
Instrument DateMay 21, 2026
Instrument2026133885
Transaction TypeTransfer
Record UpdatedAug 29, 2026

Transaction

Tax$0.00
Amount AccuracyFull Amount Stated

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address10845 ADA AVE, ONTARIO, CA 91762-3904

May 2026: Gift Deed, Transfer

Document TypeGift Deed
JurisdictionSAN BERNARDINO CA
Recording DateMay 28, 2026
Property Address10845 ADA AVE, ONTARIO, CA 91762-3904
Document Number0000133886
Instrument DateMar 17, 2026
Instrument2026133886
Transaction TypeTransfer
Record UpdatedAug 29, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transaction

Tax$0.00
Amount AccuracyFull Amount Stated

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSole Owner
Address10845 ADA AVE, ONTARIO, CA 91762-3904

Tax Assessment & Valuation

The 2025 property tax bill for 10845 Ada Ave was $3,391.

Source: San Bernardino County assessment roll, as of July 14, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$312,794 (+2%) Land $85,306 Building $227,488
2025$3,391.00$306,660 Land $83,633 Building $223,027
2023$3,221.00 (+1.32%)$294,752 Land $80,385 Building $214,367
2022$3,179.00

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

Flood

FEMA maps place 10845 Ada Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1992.

Source: FEMA National Flood Hazard Layer, effective October 12, 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 Claims1 (1992)
Most Recent ClaimFeb 1992 · Rain/snow/wind Storms, Flooding, Mudslides

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

The area around 10845 Ada Ave has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land 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 SystemMONTE VISTA WD
serves 56,390 people · EPA ID CA3610029
Water SourcePurchased surface water from several systems
LeadUnder 1 ppb (2023–2025)
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 459 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Frontier
Fiber		7,000 / 7,000
Spectrum
Cable		1,000 / 1,000
Verizon
Fixed Wireless		300 / 20
Starlink
Satellite		280 / 30
T-Mobile
Fixed Wireless		100 / 20

May also be available: GeoLinks.

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