16171 Mariposa Ave, Riverside, CA 92504 Property Records

Riverside County property record for 16171 Mariposa Ave, Riverside, CA 92504

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.25 ba · 4,011 sqft · built 2017
Lot Size	1.2 acres (52,272 sqft)
Owner	2 Individual Names on File
Last Sale	$937,500 (Jul 2019)
Tax Bill	$15,645 (2025)
Deeds & Mortgages	May 2021 Mortgage Jul 2019 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`273-590-014`

Property Details

APN / Parcel Number

Primary APN	`273-590-014`

Interior

Bedrooms	4 Beds
Full Baths	3.25 Baths
Half Baths	2 Half Baths
Stories	1 Story
Building Area	4,011 sqft Living Area
Gross Area	5,465 sqft
1st Floor Area	4,011 sqft

Exterior

Year Built	Built 2017
Effective Year Built	Effective 2017
Construction Type	Wood
Roof Material	Tile
Lot Area	52,272 sqft
Garage Type	Attached
Garage Area	663 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	16171 MARIPOSA AVE
City	RIVERSIDE
State	CA
Zip	92504-8730
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RA1
Legal Description	1.20 ACRES NET IN LOT 17 MB 240/048 TR 22100-2
Legal Subdivision	TRACT 22100 2
Legal Tract	22100-2
Legal Lot Number	17
Jurisdiction	RIVERSIDE CA
Township / Civil Division	RIVERSIDE
Census Block Group	2
Census Block	2005
Census Tract	42003

Owner

16171 Mariposa Ave is owned and occupied by two individuals who bought it in July 2019.

Source: Riverside County records, as of July 29, 2026

Owner of Record	2 Individual Names on File
Mailing Address	16171 MARIPOSA AVE, RIVERSIDE, CA 92504-8730
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

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
May 28, 2021	Deed of Trust, Mortgage · Conventional Mortgage WATERMARK CAPITAL INC
Jul 31, 2019	Grant Deed, Transfer BANK OF AMERICA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 31, 2019 · Amount on File
Deed Sale	Jul 31, 2019 · Amount on File
Deed Document Number	2019288488
Prior Transfer Date	Apr 29, 2004
Prior Transfer Doc	0000318793
Record Updated	Oct 29, 2026

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	RIVERSIDE CA
Property Address	16171 MARIPOSA AVE, RIVERSIDE, CA 92504-8730
Transaction Type	Mortgage
Record Updated	Sep 28, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	16171 MARIPOSA AVE, RIVERSIDE, CA 92504-8730

Mortgage

Document Number	0000329905
Date	May 28, 2021
Instrument	2021-0329905

Lender

Name	WATERMARK CAPITAL INC
Type	Mortgage Company
Address	IRVINE, CA 92618

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2051

July 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	RIVERSIDE CA
Recording Date	Jul 31, 2019
Property Address	16171 MARIPOSA AVE, RIVERSIDE, CA 92504-8730
Document Number	0000288488
Instrument Date	Jul 11, 2019
Instrument	288488
Transaction Type	Transfer
Record Updated	Aug 9, 2019
Title Company	FIRST AMERICAN TITLE COMPANY HOMEBU, FIRST AMERICAN TITLE CO HOMEBU

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,031.25
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	16171 MARIPOSA AVE RIVERSIDE CA 925048730, RIVERSIDE, CA 92504-8730

Mortgage

Document Number	288489
Date	Jul 31, 2019
Instrument	288489

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Amount	Amount on Record
Term	360 Months
Due	Jul 30, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 16171 Mariposa Ave was $15,645.

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

Property Jurisdictions

Type	Name
State	California
County	Riverside County
Unified School District	Riverside Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,124,896 (+2%) Land $83,661 Building $1,041,235
2025	$15,645.00	$1,102,840 Land $82,021 Building $1,020,819
2023	$14,137.00 (+1.56%)	$985,017 Land $78,837 Building $906,180
2022	$13,920.00
2021			$1,170,900

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

Flood

FEMA maps place 16171 Mariposa Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1997.

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 minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	1 in force
Nearby Flood Claims	1 (1997)
Most Recent Claim	Jan 1997 · rainfall accumulation

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 16171 Mariposa Ave is moderate, ranking above 68% of the US, with a 0.3% annual chance of wildfire.

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

Wildfire Risk	Moderate above 68% of the US · above 43% of California
Wildfire Likelihood	0.3% 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	WESTERN MWD serves 87,955 people · EPA ID CA3310049
Water Source	Purchased surface water from several systems
Last State Inspection	Dec 2023
Lead	1 ppb (2023–2025) 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 69 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

May also be available: AT&T.

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