10260 Dorset St, Rancho Cucamonga, CA 91730 Property Records

San Bernardino County property record for 10260 Dorset St, Rancho Cucamonga, CA 91730

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,823 sqft · built 1957
Lot Size	0.17 acres (7,416 sqft)
Owner	2 Individual Names on File
Tax Bill	$2,253 (2025)
Deeds & Mortgages	Nov 2021 Mortgage Oct 2020 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1077-391-20-0000`

Property Details

APN / Parcel Number

Primary APN	`1077-391-20-0000`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,823 sqft Living Area
Gross Area	2,219 sqft
1st Floor Area	1,823 sqft
Family Room	Family Room

Exterior

Year Built	Built 1957
Effective Year Built	Effective 1957
Architectural Style	Modern
Construction Type	Frame
Roof Material	Built-Up Asphalt
Lot Area	7,416 sqft (0.17 acres)
Lot Dimensions	103 ft deep x 72 ft wide
View / Lot	Average
Garage Type	Attached
Garage Area	396 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	None
Heating System	Floor/Wall Furnace
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	10260 DORSET ST
City	RANCHO CUCAMONGA
State	CA
Zip	91730-3016
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TRACT 5592 LOT 12
Legal Subdivision	TRACT NO 5592
Legal Tract	5592
Legal Block	1
Legal Lot Number	12
Jurisdiction	SAN BERNARDINO CA
Township / Civil Division	ONTARIO
Census Block Group	1
Census Block	1008
Census Tract	2028

Owner

10260 Dorset St is owned and occupied by two individuals who acquired it in July 2017.

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

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

Owner of Record	2 Individual Names on File
Mailing Address	10260 DORSET ST, RANCHO CUCAMONGA, CA 91730-3016
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Nov 24, 2021	Deed of Trust, Mortgage · Conventional Mortgage NATIONSTAR MORTGAGE LLC
Oct 30, 2020	Deed of Trust, Mortgage · Conventional Mortgage NATIONSTAR MORTGAGE LLC
Oct 16, 2019	Deed of Trust, Mortgage · Conventional Mortgage MR COOPER
Jul 25, 2017	Intrafamily Transfer, Transfer · FHA Mortgage NATIONSTAR MORTGAGE LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 25, 2017
Deed Sale	Jul 25, 2017
Prior Sale	Sep 23, 1998 · Amount on File
Deed Document Number	2017300157
Prior Transfer Date	Jul 15, 2017
Prior Transfer Doc	0000300157
Record Updated	Sep 20, 2026

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN BERNARDINO CA
Property Address	10260 DORSET ST, RANCHO CUCAMONGA, CA 91730-3016
Transaction Type	Mortgage
Record Updated	Dec 7, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	10260 DORSET ST, RANCHO CUCAMONGA, CA 91730-3016

Mortgage

Document Number	0000530678
Date	Nov 24, 2021
Instrument	2021-0530678

Lender

Name	NATIONSTAR MORTGAGE LLC
Type	Mortgage Company
Address	COPPELL, TX 75019

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2051

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN BERNARDINO CA
Property Address	10260 DORSET ST, RANCHO CUCAMONGA, CA 91730-3016
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	TITLE 365

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	10260 DORSET ST, RANCHO CUCAMONGA, CA 91730-3016

Mortgage

Document Number	0000427083
Date	Oct 30, 2020
Instrument	2020-0427083

Lender

Name	NATIONSTAR MORTGAGE LLC
Type	Mortgage Company
Address	COPPELL, TX 75019

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2050

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN BERNARDINO CA
Property Address	10260 DORSET ST, RANCHO CUCAMONGA, CA 91730-3016
Document Number	0000379880
Instrument Date	Oct 16, 2019
Transaction Type	Mortgage
Record Updated	Nov 7, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	10260 DORSET ST RANCHO CUCAMONGA CA 917303016, RANCHO CUCAMONGA, CA 91730-3016

Mortgage

Document Number	0000379880
Date	Oct 22, 2019
Instrument	379880

Lender

Name	MR COOPER
Address	COPPELL, TX 75019

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Oct 21, 2049

July 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN BERNARDINO CA
Recording Date	Jul 25, 2017
Property Address	10260 DORSET ST, RANCHO CUCAMONGA, CA 91730-3016
Document Number	0000300157
Map Reference	MAP69 PG38&39
Instrument Date	Jul 15, 2017
Instrument	2017-0300157
Transaction Type	Transfer
Record Updated	Aug 31, 2021
Title Company	PACIFIC COAST TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	10260 DORSET ST, RANCHO CUCAMONGA, CA 91730-3016

Mortgage

Document Number	0000300158
Date	Jul 25, 2017
Instrument	2017-0300158

Lender

Name	NATIONSTAR MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	FHA Mortgage
Amount	Amount on Record
Term	357 Months
Due	Apr 1, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 10260 Dorset St was $2,253 with a homeowner's exemption.

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

Property Jurisdictions

Type	Name
State	California
County	San Bernardino County
Municipality	Rancho Cucamonga City
Elementary School District	Central Elementary School District (KG - 08)
Secondary School District	Chaffey Joint Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$210,283 (+2%) Land $44,454 Building $165,829
2025	$2,253.00 Homeowner's exemption	$206,159 Land $43,582 Building $162,577
2023	$2,144.00 (+1.66%) Homeowner's exemption	$198,153 Land $41,889 Building $156,264
2022	$2,109.00

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

Flood

FEMA maps place 10260 Dorset St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 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

The area around 10260 Dorset St 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 Risk	Not 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 System	CUCAMONGA VALLEY WATER DISTRICT serves 213,375 people · EPA ID CA3610018
Water Source	Surface water
Last State Inspection	Feb 2025
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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

Provider	Max 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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