1527 W 4th St, Ontario, CA 91762 Property Records

San Bernardino County property record for 1527 W 4th St, Ontario, CA 91762

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,450 sqft · built 1955
Lot Size	0.18 acres (7,847 sqft)
Owner	Individual Name on Record
Last Sale	$116,000 (Dec 1997)
Tax Bill	$1,970 (2025)
Deeds & Mortgages	Apr 2023 Mortgage Feb 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1010-091-29-0000`

Property Details

APN / Parcel Number

Primary APN	`1010-091-29-0000`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,450 sqft Living Area
1st Floor Area	1,450 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1955
Architectural Style	Modern
Construction Type	Frame
Roof Material	Built-Up Asphalt
Lot Area	7,847 sqft (0.18 acres)
Lot Dimensions	133 ft deep x 59 ft wide
View / Lot	Average
Garage Type	Detached
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces
Porch	Patio/Porch
Porch Area	656 sqft
Patio Area	656 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	1527 W 4TH ST
City	ONTARIO
State	CA
Zip	91762-1718
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TRACT 4588 LOT 7
Legal Subdivision	TRACT 4588
Legal Tract	4588
Legal Block	2
Legal Lot Number	7
Jurisdiction	SAN BERNARDINO CA
Township / Civil Division	ONTARIO
Census Block Group	2
Census Block	2002
Census Tract	1001

Owner

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

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

Owner of Record	Individual Name on Record
Mailing Address	4795 REGENT BLVD, 1006A, IRVING, TX 75063-2467
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Sole Owner

Deeds, Mortgages & Sale History

Date	Document
Apr 3, 2023	Deed of Trust, Mortgage · Conventional Mortgage PROSPERITY HOME MORTGAGE LLC
Feb 11, 2021	Affidavit of Death of Joint Tenant, Transfer · Conventional Mortgage AMERISAVE MORTGAGE CORP

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 4, 1997 · Amount on Record
Deed Sale	Dec 4, 1997 · Amount on Record
Deed Document Number	1997447255
Last Transfer Date	Feb 4, 2021
Transfer Doc	0000068058
Record Updated	Oct 29, 2026

April 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN BERNARDINO CA
Property Address	1527 W 4TH ST, ONTARIO, CA 91762-1718
Transaction Type	Mortgage
Record Updated	Apr 20, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1527 W 4TH ST, ONTARIO, CA 91762-1718

Mortgage

Document Number	0000077227
Date	Apr 3, 2023
Instrument	2023-0077227

Lender

Name	PROSPERITY HOME MORTGAGE LLC
Type	Mortgage Company
Address	CHANTILLY, VA 20151

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	300 Months
Due	Apr 1, 2048

Interest

Rate Type	Adjustable Rate
Type Change Date	May 1, 2024
Change Frequency	Annually
Min Rate At Change	4.99%
Max Rate At Change	11.4%
Index	1-Year T-Bill
Max Rate	14.4%

February 2021: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	SAN BERNARDINO CA
Recording Date	Feb 11, 2021
Property Address	1527 W 4TH ST, ONTARIO, CA 91762-1718
Document Number	0000068058
Instrument Date	Nov 27, 2020
Instrument	2021-0068058
Transaction Type	Transfer
Record Updated	Aug 31, 2021
Title Company	FIRST AMER TTL INS CO NCS

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

Mortgage

Document Number	0000068059
Date	Feb 11, 2021
Instrument	2021-0068059

Lender

Name	AMERISAVE MORTGAGE CORP
Type	Mortgage Company
Address	ATLANTA, GA 30305

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	359 Months
Due	Jan 1, 2051

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	Ontario City
Secondary School District	Chaffey Joint Union High School District (09 - 12)
Elementary School District	Ontario-Montclair School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$188,523 (+2%) Land $47,069 Building $141,454
2025	$1,970.00 (+5.46%) Homeowner's exemption	$184,826 (+4.04%) Land $46,146 Building $138,680
2023	$1,868.00 (+1.41%) Homeowner's exemption	$177,649 Land $44,354 Building $133,295
2022	$1,842.00

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

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

Values are read at the parcel center point; 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	ONTARIO MUNICIPAL UTILITIES COMPANY serves 185,010 people · EPA ID CA3610034
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, 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 514 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

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