10339 Dorset St, Rancho Cucamonga, CA 91730 Property Records

San Bernardino County property record for 10339 Dorset St, Rancho Cucamonga, CA 91730

Property Summary

Property Type	Warehouse, Storage
Details	30,431 sqft · built 2003
Lot Size	1.48 acres (64,469 sqft)
Owner	Company Name on File
Last Sale	$3,872,500 (Dec 2015)
Tax Bill	$51,193 (2025)
Deeds & Mortgages	Feb 2019 Loan Modification Jun 2017 Sale
Flood Zone	Zone X (minimal risk)
APN	`1077-401-51-0000`

Property Details

APN / Parcel Number

Primary APN	`1077-401-51-0000`
Alternative APN	`1077-401-51-P`

Interior

Stories	1 Story
Building Area	30,431 sqft Gross Area

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2003
Construction Type	Masonry / Concrete Block
Fire Resistance	Masonry Walls, Wood Interior
Lot Area	64,469 sqft

Utilities, Heating & Cooling

Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	10339 DORSET ST
City	RANCHO CUCAMONGA
State	CA
Zip	91730-3067
Property Category	Industrial
Property Type	Industrial > Warehouse, Storage
Legal Description	PARCEL MAP 15732 PARCEL 3 BOOK 197 PAGE 46
Legal Block	1
Jurisdiction	SAN BERNARDINO CA
Township / Civil Division	ONTARIO
Census Block Group	1
Census Block	1000
Census Tract	2028

Owner

10339 Dorset St, an industrial property, is owned by a company that bought it in December 2015.

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

Owner of Record	Company Name on File
Mailing Address	10339 DORSET ST, RANCHO CUCAMONGA, CA 91730-3067
Owner Type	Company
Vesting	Sole Owner

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

Date	Document
Feb 11, 2019	Loan Modification, Mortgage WELLS FARGO BK
Jun 5, 2017	Grant Deed, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 18, 2015 · Amount on File
Deed Sale	Dec 18, 2015 · Amount on File
Prior Sale	Sep 15, 2003 · Amount on File
Deed Document Number	2015553383
Prior Transfer Date	Sep 18, 2009
Prior Transfer Doc	0000433464
Record Updated	Oct 29, 2026

February 2019: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	SAN BERNARDINO CA
Property Address	10339 DORSET ST, RANCHO CUCAMONGA, CA 91730-3067
Document Number	0000089204
Instrument Date	Feb 11, 2019
Transaction Type	Mortgage
Record Updated	Apr 3, 2019
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INS CO NA

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust

Mortgage

Document Number	0000089204
Date	Mar 22, 2019
Instrument	89204

Lender

Name	WELLS FARGO BK
Type	Bank
Address	PO BOX 65119, SAN ANTONIO, TX 78265-5119

Agreement

Amount	Amount on Record

June 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Jun 5, 2017
Property Address	10339 DORSET ST, RANCHO CUCAMONGA, CA 91730-3067
Document Number	0000228544
Instrument Date	May 19, 2017
Instrument	228544
Transaction Type	Transfer
Record Updated	Jun 14, 2017

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	10339 DORSET ST RANCHO CUCAMONGA CA 917303067, RANCHO CUCAMONGA, CA 91730-3067

Tax Assessment & Valuation

The 2025 property tax bill for 10339 Dorset St was $51,193.

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		$4,675,754 (+2%) Land $1,167,628 Building $3,508,126
2025	$51,193.00	$4,584,072 Land $1,144,733 Building $3,439,339
2023	$48,770.00 (+1.61%)	$4,406,066 Land $1,100,281 Building $3,305,785
2022	$47,998.00

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

Flood

FEMA maps place 10339 Dorset St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone A, within 500 ft
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 10339 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 282 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000
Inyo Networks Fiber	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20

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

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