485 E Deerfield St, Ontario, CA 91761 Property Records

San Bernardino County property record for 485 E Deerfield St, Ontario, CA 91761

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 3,168 sqft · built 2001
Lot Size	0.174 acres (7,573 sqft)
Owner	2 Company Names on File
Last Sale	$435,000 (Aug 2008)
Tax Bill	$6,582 (2025)
Deeds & Mortgages	Mar 2024 Transfer
Flood Zone	Zone D (undetermined)
APN	`1051-412-02-0000`

Property Details

APN / Parcel Number

Primary APN	`1051-412-02-0000`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,168 sqft Living Area
Gross Area	3,754 sqft
1st Floor Area	1,418 sqft
2nd Floor Area	1,750 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2001
Effective Year Built	Effective 2001
Architectural Style	Modern
Construction Type	Frame
Roof Material	Tile
Lot Area	7,573 sqft (0.174 acres)
Garage Type	Attached
Garage Area	586 sqft
Parking Spaces	2 Parking Spaces
Porch	Patio/Porch
Porch Area	105 sqft
Patio Area	105 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	485 E DEERFIELD ST
City	ONTARIO
State	CA
Zip	91761-8742
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TRACT 16050 LOT 48 BOOK 279 PAGE 21
Legal Subdivision	TRACT 16050
Legal Tract	16050
Legal Block	2
Legal Lot Number	48
Jurisdiction	SAN BERNARDINO CA
Township / Civil Division	ONTARIO
Census Block Group	2
Census Block	2008
Census Tract	1804

Owner

Source: San Bernardino County records · APN 1051-412-02-0000

Assessment roll updated July 14, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on File
Mailing Address	485 E DEERFIELD ST, ONTARIO, CA 91761-8742
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Life Tenant

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Aug 04, 2008 · Amount on Record
Deed Sale	Aug 04, 2008 · Amount on Record
Prior Sale	Nov 06, 2007 · Amount on Record
Deed Document Number	2008354688
Last Transfer Date	Mar 09, 2024
Transfer Doc	0000066103
Record Updated	Sep 20, 2026

March 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN BERNARDINO CA
Recording Date	Mar 22, 2024
Property Address	485 E DEERFIELD ST, ONTARIO, CA 91761-8742
Document Number	0000066103
Map Reference	MB 279 PG 21-24
Instrument Date	Mar 09, 2024
Instrument	2024-0066103
Transaction Type	Transfer
Record Updated	Apr 08, 2024

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	Revocable Living Trust
Address	485 E DEERFIELD ST, ONTARIO, CA 91761-8742
Investor	Possibly a Property Investor

Tax Assessment & Valuation

Source: San Bernardino County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	California
County	San Bernardino County
Municipality	Ontario City
Unified School District	Chino Valley Unified School District (KG - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2026		$609,607 (+2%) Land $206,330 Building $403,277
2025	$6,582.00 (+4.44%) Homeowner's exemption	$597,654 (+4.04%) Land $202,284 Building $395,370
2023	$6,302.00 (+0.59%)	$574,447 Land $194,429 Building $380,018
2022	$6,265.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone D undetermined · not studied
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable	1,000 / 1,000
Starlink Satellite	280 / 30
T-Mobile USA Fixed Wireless	100 / 20

May also be available: California Internet, Verizon.

Based on FCC filings for 687 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	ONTARIO MUNICIPAL UTILITIES COMPANY serves 185,010 people
Water Source	Purchased surface water from several systems
Last State Inspection	Jul 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.