10259 Dorset St, Rancho Cucamonga, CA 91730 Property Records

San Bernardino County property record for 10259 Dorset St, Rancho Cucamonga, CA 91730

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,376 sqft · built 1957
Lot Size	0.17 acres (7,416 sqft)
Owner	2 Individual Names on Record
Last Sale	$510,000 (Oct 2020)
Tax Bill	$6,150 (2025)
Deeds & Mortgages	Mar 2022 Line of Credit Jun 2021 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`1077-391-45-0000`

Property Details

APN / Parcel Number

Primary APN	`1077-391-45-0000`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,376 sqft Living Area
Gross Area	1,772 sqft
1st Floor Area	1,376 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

Exterior Amenities

Pool Type	Pool with Hot Tub/Spa
Porch	Patio/Porch
Porch Area	240 sqft
Patio Area	240 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	10259 DORSET ST
City	RANCHO CUCAMONGA
State	CA
Zip	91730-3017
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TRACT 5592 LOT 21 EX MNL RTS RESERVATION OF RECORD
Legal Subdivision	TRACT NO 5592
Legal Tract	5592
Legal Block	1
Legal Lot Number	21
Jurisdiction	SAN BERNARDINO CA
Township / Civil Division	ONTARIO
Census Block Group	1
Census Block	1007
Census Tract	2028

Owner

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 Record
Mailing Address	10259 DORSET ST, RANCHO CUCAMONGA, CA 91730-3017
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Mar 23, 2022	Deed of Trust, Mortgage · Line of Credit CHAFFEY FCU
Jun 1, 2021	Deed of Trust, Mortgage · Conventional Mortgage JMJ FINANCIAL GROUP
Jun 26, 2017	Deed of Trust, Mortgage · FHA Mortgage COMMERCE MORTGAGE
Nov 8, 2019	Deed of Trust, Mortgage · Conventional Mortgage PROVIDENT FUNDING ASSOCIATES LP
Oct 14, 2020	Grant Deed, Transfer · Conventional Mortgage JMJ FINANCIAL GROUP

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 14, 2020 · Amount on Record
Deed Sale	Oct 14, 2020 · Amount on Record
Prior Sale	Oct 6, 1998 · Amount on Record
Deed Document Number	2020395021
Prior Transfer Date	Feb 28, 2005
Prior Transfer Doc	0000176860
Record Updated	Sep 20, 2026

March 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN BERNARDINO CA
Property Address	10259 DORSET ST, RANCHO CUCAMONGA, CA 91730-3017
Transaction Type	Mortgage
Record Updated	Apr 6, 2022
Title Company	LAWYERS TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	10259 DORSET ST, RANCHO CUCAMONGA, CA 91730-3017

Mortgage

Document Number	0000108417
Date	Mar 23, 2022
Instrument	2022-0108417

Lender

Name	CHAFFEY FCU
Type	Credit Union
Address	UPLAND, CA 91786

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	241 Months
Due	Apr 5, 2042

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN BERNARDINO CA
Property Address	10259 DORSET ST, RANCHO CUCAMONGA, CA 91730-3017
Transaction Type	Mortgage
Record Updated	Jun 16, 2021
Title Company	TICOR TITLE RIVERSIDE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	10259 MDORSET ST, RANCHO CUCAMONGA, CA 91730

Mortgage

Document Number	0000250200
Date	Jun 1, 2021
Instrument	2021-0250200

Lender

Name	JMJ FINANCIAL GROUP
Type	Funding / Finance Company
Address	ALISO VIEJO, CA 92656

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jun 1, 2051

June 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN BERNARDINO CA
Property Address	10259 DORSET ST, RANCHO CUCAMONGA, CA 91730-3017
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	WFG NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000260069
Date	Jun 26, 2017
Instrument	2017-0260069

Lender

Name	COMMERCE MORTGAGE
Type	Mortgage Company
Address	SAN RAMON, CA 94583

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2047

November 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN BERNARDINO CA
Property Address	10259 DORSET ST, RANCHO CUCAMONGA, CA 91730-3017
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000408440
Date	Nov 8, 2019
Instrument	2019-0408440

Lender

Name	PROVIDENT FUNDING ASSOCIATES LP
Type	Mortgage Company
Address	BURLINGAME, CA 94010

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2049

October 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Oct 14, 2020
Property Address	10259 DORSET ST, RANCHO CUCAMONGA, CA 91730-3017
Document Number	0000395021
Map Reference	MB 69 PG 38&39
Instrument Date	Sep 28, 2020
Instrument	2020-0395021
Transaction Type	Transfer
Record Updated	Aug 31, 2021
Title Company	USA NATIONAL TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	10259 DORSET ST, RANCHO CUCAMONGA, CA 91730-3017

Mortgage

Document Number	0000395022
Date	Oct 14, 2020
Instrument	2020-0395022

Lender

Name	JMJ FINANCIAL GROUP
Type	Funding / Finance Company

Agreement

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

Tax Assessment & Valuation

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		$563,081 (+2%) Land $140,770 Building $422,311
2025	$6,150.00 (+5%) Homeowner's exemption	$552,040 (+4.04%) Land $138,010 Building $414,030
2023	$5,857.00 (+1.61%) Homeowner's exemption	$530,604 Land $132,651 Building $397,953
2022	$5,764.00

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 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

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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