4131 Hillside Ave, Norco, CA 92860 Property Records

Riverside County property record for 4131 Hillside Ave, Norco, CA 92860

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,848 sqft · built 1920
Lot Size	2.45 acres (106,722 sqft)
Owner	Company Name on Record
Last Sale	$700,000 (Jan 2025)
Tax Bill	$11,522 (2025)
Deeds & Mortgages	Oct 2023 Transfer Oct 2021 Sale & Mortgage + 1 more
Flood Zone	Zone X (moderate risk)
APN	`133-110-001`

Property Details

APN / Parcel Number

Primary APN	`133-110-001`
Alternative APN	`090500092`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Stories	1 Story
Building Area	1,848 sqft Living Area
Gross Area	3,183 sqft
1st Floor Area	1,848 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1936
Construction Type	Wood
Roof Material	Gravel
Lot Area	106,722 sqft
Garage Type	Detached
Garage Area	660 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas
Sewer	Connected

Location & Zoning

Old Parcel Number	090500092
Street Address	4131 HILLSIDE AVE
City	NORCO
State	CA
Zip	92860-1587
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	A120M
Legal Description	2.45 ACRES M/L IN POR LOT 10 BLK 41 MB 011/056 NORCO FARMS TR NO 2
Legal Subdivision	NORCO FARMS TR NO 2
Legal Tract	2
Legal Block	41
Legal Lot Number	10
Jurisdiction	RIVERSIDE CA
Township / Civil Division	NORCO
Census Block Group	2
Census Block	2002
Census Tract	40703

Owner

Source: Riverside County records, as of August 3, 2026

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

Owner of Record	Company Name on Record
Mailing Address	1185 LINDA VISTA DR, A, SAN MARCOS, CA 92078-3823
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Date	Document
Oct 6, 2023	Intrafamily Transfer, Transfer
Oct 6, 2021	Grant Deed, Transfer · Seller Carry-Back JOSE G CASTELLANO ETAL
Oct 6, 2021	Intrafamily Transfer, Transfer NORTH AMERICAN TITLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 14, 2025 · Amount on Record
Deed Sale	Jan 14, 2025 · Amount on Record
Prior Sale	Oct 6, 2021 · Amount on Record
Deed Document Number	202512420
Prior Transfer Date	Apr 17, 2023
Prior Transfer Doc	0000296020
Record Updated	Oct 29, 2026

October 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	RIVERSIDE CA
Recording Date	Oct 6, 2023
Property Address	4131 HILLSIDE AVE, NORCO, CA 92860-1587
Document Number	0000296020
Map Reference	MB 11 PG 56
Instrument Date	Apr 17, 2023
Instrument	2023-0296020
Transaction Type	Transfer
Record Updated	Oct 20, 2023

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	Family Trust
Address	3783 CHAPARRAL DR, NORCO, CA 92860-1450

October 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	RIVERSIDE CA
Recording Date	Oct 6, 2021
Property Address	4131 HILLSIDE AVE, NORCO, CA 92860-1587
Document Number	0000592797
Map Reference	MB 11 PG 56
Instrument Date	Oct 4, 2021
Instrument	2021-0592797
Transaction Type	Transfer
Record Updated	Oct 19, 2021
Title Company	NORTH AMERICAN TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Partially Calculated from Transfer Tax
Additional	Notice of Default Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3783 CHAPARRAL DR, NORCO, CA 92860-1450

Mortgage

Document Number	0000592798
Date	Oct 6, 2021
Instrument	2021-0592798

Lender

Name	JOSE G CASTELLANO ETAL
Type	Seller

Agreement

Type	Seller Carry-Back
Amount	Amount Recorded

October 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	RIVERSIDE CA
Recording Date	Oct 6, 2021
Property Address	4131 HILLSIDE AVE, NORCO, CA 92860-1587
Document Number	0000592796
Map Reference	MB 11 PG 56
Instrument Date	Oct 4, 2021
Instrument	2021-0592796
Transaction Type	Transfer
Record Updated	Oct 19, 2021
Title Company	NORTH AMERICAN TITLE

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
Address	3783 CHAPARRAL DR, NORCO, CA 92860-1450

Tax Assessment & Valuation

Source: Riverside County assessment roll, as of July 29, 2026

Property Jurisdictions

Type	Name
State	California
County	Riverside County
Municipality	Norco City
Unified School District	Corona-Norco Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,116,900 (+9.39%) Land $392,700 Building $724,200
2025	$11,522.00 (+3.4%)	$1,021,045 (+4.04%) Land $397,953 Building $623,092
2024	$11,143.00 (+1.39%)
2023	$10,990.00 (+1.85%)	$981,398 Land $382,500 Building $598,898
2022	$10,790.00
2021			$846,000

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force
Nearby Flood Claims	1 (2016)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Apr 2016 · other causes

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	Moderate above 60% of the US · lower than 63% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Direct burnable vegetation

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	CITY OF NORCO serves 25,068 people · EPA ID CA3310025
Water Source	Purchased surface water from several systems
Last State Inspection	Sep 2024
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	Total trihalomethanes resolved · Jul 2025
Treatment and Procedure	None last 10 years
Monitoring and Reporting	42 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 238 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Spectrum Cable	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

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