4271 Sierra Ave, Norco, CA 92860 Property Records

Riverside County property record for 4271 Sierra Ave, Norco, CA 92860

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,381 sqft · built 1954
Lot Size	0.29 acres (12,632 sqft)
Owner	Individual Name on File
Tax Bill	$2,027 (2025)
Flood Zone	Zone X (minimal risk)
APN	`131-040-025`

Property Details

APN / Parcel Number

Primary APN	`131-040-025`
Alternative APN	`090300144`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Stories	1 Story
Building Area	1,381 sqft Living Area
Gross Area	1,409 sqft
1st Floor Area	1,381 sqft

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1954
Construction Type	Wood
Roof Material	Gravel
Lot Area	12,632 sqft (0.29 acres)
Garage Type	Detached
Garage Area	400 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	090300144
Street Address	4271 SIERRA AVE
City	NORCO
State	CA
Zip	92860-1345
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	A120M
Legal Description	.29 ACRES M/L IN POR LOT 14 BLK 48 MB 012/078 NORCO FARMS TR 4
Legal Subdivision	NORCO FARMS TR 4
Legal Tract	4
Legal Block	48
Legal Lot Number	14
Jurisdiction	RIVERSIDE CA
Township / Civil Division	NORCO
Census Block Group	1
Census Block	1004
Census Tract	40702

Owner

Source: Riverside County records · APN 131-040-025

Assessment roll updated July 29, 2026 · Last verified August 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 File
Mailing Address	4271 SIERRA AVE, NORCO, CA 92860-1345
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	May 28, 2008
Transfer Doc	0000422214
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Riverside County records · Assessment roll updated July 29, 2026 · Last verified August 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

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$188,695 (+2%) Land $49,816 Building $138,879
2025	$2,027.00 (+4.97%) Homeowner's exemption	$184,996 (+4.04%) Land $48,840 Building $136,156
2023	$1,931.00 (+1.95%) Homeowner's exemption	$177,815 Land $46,945 Building $130,870
2022	$1,894.00
2021			$398,340

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Riverside County (06065C), as of October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060650407021, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 in force
Nearby Flood Claims	2 (1995–1997)
Most Recent Claim	Dec 1997 · river or lake flooding

Wildfire

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.02% annual chance
Exposure	Indirect within ember reach

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.

Internet Providers

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

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

May also be available: California Internet, Verizon.

Based on FCC filings for 254 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CA3310025, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF NORCO serves 25,068 people
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 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.