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10280 Dorset St, Rancho Cucamonga, CA 91730 Property Records

San Bernardino County property record for 10280 Dorset St, Rancho Cucamonga, CA 91730

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,376 sqft · built 1957
Lot Size0.17 acres (7,416 sqft)
OwnerCompany Name on Record
Last Sale$403,000 (Nov 2017)
Tax Bill$5,118 (2025)
Deeds & MortgagesMar 2021 Transfer
Nov 2017 Sale
Flood ZoneZone X (minimal risk)
APN1077-391-18-0000

Property Details

APN / Parcel Number

Primary APN1077-391-18-0000

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,376 sqft Living Area
Gross Area1,772 sqft
1st Floor Area1,376 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1957
Effective Year BuiltEffective 1957
Architectural StyleModern
Exterior MaterialBlock
Construction TypeFrame
Roof MaterialBuilt-Up Asphalt
Lot Area7,416 sqft (0.17 acres)
Lot Dimensions103 ft deep x 72 ft wide
View / LotAverage
Garage TypeAttached
Garage Area396 sqft
Parking Spaces1 Parking Space
PorchPatio/Porch
Porch Area40 sqft
Patio Area40 sqft

Utilities, Heating & Cooling

Cooling SystemNone
Heating SystemFloor/Wall Furnace
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address10280 DORSET ST
CityRANCHO CUCAMONGA
StateCA
Zip91730-3016
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTRACT 5592 LOT 10
Legal SubdivisionTRACT NO 5592
Legal Tract5592
Legal Block1
Legal Lot Number10
JurisdictionSAN BERNARDINO CA
Township / Civil DivisionONTARIO
Census Block Group1
Census Block1008
Census Tract2028

Owner

Source: San Bernardino County records, as of July 14, 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 Address10280 DORSET ST, RANCHO CUCAMONGA, CA 91730-3016
OccupancyOwner Occupied
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

DateDocument
Mar 9, 2021Intrafamily Transfer, Transfer
Nov 6, 2017Grant Deed, Transfer
NORTH AMERICAN TITLE

Assessor's Deed Record

Deed NamesName on Deed
Last SaleNov 6, 2017 · Amount on Record
Deed SaleNov 6, 2017 · Amount on Record
Prior SaleFeb 9, 2004 · Amount on Record
Deed Document Number2017458792
Last Transfer DateFeb 12, 2021
Transfer Doc0000108635
Record UpdatedSep 20, 2026

March 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN BERNARDINO CA
Recording DateMar 9, 2021
Property Address10280 DORSET ST, RANCHO CUCAMONGA, CA 91730-3016
Document Number0000108635
Map ReferenceMB 69 PG 38&39
Instrument DateFeb 12, 2021
Instrument2021-0108635
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address10280 DORSET ST, RANCHO CUCAMONGA, CA 91730-3016

November 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN BERNARDINO CA
Recording DateNov 6, 2017
Property Address10280 DORSET ST, RANCHO CUCAMONGA, CA 91730-3016
Document Number0000458792
Instrument DateOct 20, 2017
Instrument458792
Transaction TypeTransfer
Record UpdatedNov 14, 2017
Title CompanyNORTH AMERICAN TITLE

Transaction

AmountAmount Recorded
Tax$443.00
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address10280 DORSET ST RANCHO CUCAMONGA CA 917303016, RANCHO CUCAMONGA, CA 91730-3016

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountySan Bernardino County
MunicipalityRancho Cucamonga City
Elementary School DistrictCentral Elementary School District (KG - 08)
Secondary School DistrictChaffey Joint Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$467,715 (+2%) Land $116,929 Building $350,786
2025$5,118.00 (+5.01%)$458,544 (+4.04%) Land $114,636 Building $343,908
2023$4,874.00 (+1.61%)$440,738 Land $110,184 Building $330,554
2022$4,797.00

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

Flood

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 Policies1 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 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 SystemCUCAMONGA VALLEY WATER DISTRICT
serves 213,375 people · EPA ID CA3610018
Water SourceSurface water
Last State InspectionFeb 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 686 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable · Fiber in parts of the area		1,000 / 1,000
T-Mobile
Fixed Wireless		100 / 20

May also be available: AT&T, Frontier, GeoLinks, Inyo Networks, Verizon.

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