10784 Boulder Canyon Rd, Rancho Cucamonga, CA 91737 Property Records

San Bernardino County property record for 10784 Boulder Canyon Rd, Rancho Cucamonga, CA 91737

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.5 ba · 3,424 sqft · built 1993
Lot Size	0.496 acres (21,620 sqft)
Owner	2 Trust Names on File
Last Sale	$1,638,000 (Sep 2023)
Tax Bill	$18,584 (2025)
Deeds & Mortgages	Sep 2023 Sale May 2017 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1074-471-23-0000`

Property Details

APN / Parcel Number

Primary APN	`1074-471-23-0000`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,424 sqft Living Area
Gross Area	4,192 sqft
1st Floor Area	2,184 sqft
2nd Floor Area	1,240 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1993
Effective Year Built	Effective 1993
Architectural Style	Modern
Construction Type	Frame
Roof Material	Tile
Lot Area	21,620 sqft (0.496 acres)
Lot Dimensions	188 ft deep x 115 ft wide
Garage Type	Attached
Garage Area	768 sqft
Parking Spaces	3 Parking Spaces
Porch	Patio/Porch
Porch Area	240 sqft
Patio Area	240 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	10784 BOULDER CANYON RD
City	RANCHO CUCAMONGA
State	CA
Zip	91737-6721
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TRACT 12650-3 LOT 38
Legal Subdivision	TRACT NO 12650 3
Legal Tract	12650-3
Legal Block	1
Legal Lot Number	38
Jurisdiction	SAN BERNARDINO CA
Township / Civil Division	ONTARIO
Census Block Group	1
Census Block	1011
Census Tract	2021

Owner

10784 Boulder Canyon Rd is owner-occupied and held in a trust since September 2023.

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

Owner of Record	2 Trust Names on File
Mailing Address	10784 BOULDER CANYON RD, RANCHO CUCAMONGA, CA 91737-6721
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

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
Sep 14, 2023	Grant Deed, Transfer STEWART TITLE, STEWART TITLE OF CALIFORNIA
May 30, 2017	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Oct 20, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage MOUNTAIN WEST FINANCIAL INC
Oct 20, 2020	Quit Claim Deed, Transfer WFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 14, 2023 · Amount on File
Deed Sale	Sep 14, 2023 · Amount on File
Deed Document Number	2023228389
Prior Transfer Date	Sep 7, 2023
Prior Transfer Doc	0000228388
Record Updated	Sep 20, 2026

September 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Sep 14, 2023
Property Address	10784 BOULDER CANYON RD, RANCHO CUCAMONGA, CA 91737-6721
Document Number	0000228389
Map Reference	MB 201 PG 77-80
Instrument Date	Aug 23, 2023
Instrument	2023-0228389
Transaction Type	Transfer
Record Updated	Sep 26, 2023
Title Company	STEWART TITLE, STEWART TITLE OF CALIFORNIA

Transaction

Amount	Amount 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	Community Property with Right of Survivorship
Address	10784 BOULDER CANYON RD, RANCHO CUCAMONGA, CA 91737-6721

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN BERNARDINO CA
Property Address	10784 BOULDER CANYON RD, RANCHO CUCAMONGA, CA 91737-6721
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	WESTERN RESOURCES TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000221102
Date	May 30, 2017
Instrument	2017-0221102

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2047

October 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN BERNARDINO CA
Recording Date	Oct 20, 2020
Property Address	10784 BOULDER CANYON RD, RANCHO CUCAMONGA, CA 91737-6721
Document Number	0000404142
Map Reference	MB 201 PG 77-80
Instrument Date	Oct 14, 2020
Instrument	2020-0404142
Transaction Type	Transfer
Record Updated	Aug 31, 2021
Title Company	WFG NATIONAL TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	10784 BOULDER CANYON RD, RANCHO CUCAMONGA, CA 91737-6721

Mortgage

Document Number	0000404143
Date	Oct 20, 2020
Instrument	2020-0404143

Lender

Name	MOUNTAIN WEST FINANCIAL INC
Type	Mortgage Company

Agreement

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

October 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN BERNARDINO CA
Recording Date	Oct 20, 2020
Property Address	10784 BOULDER CANYON RD, RANCHO CUCAMONGA, CA 91737-6721
Document Number	0000404144
Instrument Date	Oct 14, 2020
Instrument	404144
Transaction Type	Transfer
Record Updated	Nov 3, 2020
Title Company	WFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	10784 BOULDER CANYON RD RANCHO CUCAMONGA CA 917376721, RANCHO CUCAMONGA, CA 91737-6721

Tax Assessment & Valuation

The 2025 property tax bill for 10784 Boulder Canyon Rd was $18,584.

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	Alta Loma 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		$883,420 (-47.12%) Land $309,197 Building $574,223
2025	$18,584.00	$1,670,760 Land $417,690 Building $1,253,070
2023	$8,438.00 (+0.24%) Homeowner's exemption	$755,211 Land $346,745 Building $408,466
2022	$8,418.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 10784 Boulder Canyon Rd 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	2 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

Wildfire risk around 10784 Boulder Canyon Rd is high, ranking above 82% of the US, with a 0.5% annual chance of wildfire.

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

Wildfire Risk	High above 82% of the US · above 60% of California
Wildfire Likelihood	0.5% annual chance
Exposure	Indirect 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 219 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

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