16138 Mariposa Ave, Riverside, CA 92504 Property Records

Riverside County property record for 16138 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	1.31 acres (57,064 sqft)
Owner	2 Individual Names on File
Last Sale	$937,500 (Aug 2024)
Tax Bill	$24,137 (2025)
Deeds & Mortgages	Dec 2025 Mortgage Sep 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`273-590-040`

Property Details

APN / Parcel Number

Primary APN	`273-590-040`

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	57,064 sqft
Garage Type	Attached
Garage Area	663 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Connected

Location & Zoning

Street Address	16138 MARIPOSA AVE
City	RIVERSIDE
State	CA
Zip	92504-8730
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RA1
Legal Description	1.31 ACRES NET IN LOT 43 MB 240/048 TR 22100-2
Legal Subdivision	TRACT NO 22100 2
Legal Tract	22100-2
Legal Lot Number	43
Jurisdiction	RIVERSIDE CA
Township / Civil Division	RIVERSIDE
Census Block Group	1
Census Block	1004
Census Tract	42003

Owner

16138 Mariposa Ave is owned and occupied by two individuals who bought it in August 2024.

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on File
Mailing Address	16138 MARIPOSA AVE, RIVERSIDE, CA 92504-8730
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Dec 5, 2025	Deed of Trust, Mortgage · Conventional Mortgage HOME MORTGAGE ALLIANCE CORP
Sep 13, 2021	Deed of Trust, Mortgage · Conventional Mortgage SUMMIT FUNDING INC
Jul 3, 2019	Grant Deed, Transfer KBHS HM LNS LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 21, 2024 · Amount on File
Deed Sale	Aug 21, 2024 · Amount on File
Prior Sale	Jul 3, 2019 · Amount on File
Deed Document Number	2024251546
Record Updated	Oct 29, 2026

December 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	RIVERSIDE CA
Property Address	16138 MARIPOSA AVE, RIVERSIDE, CA 92504-8730
Transaction Type	Mortgage
Record Updated	Dec 19, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	16138 MARIPOSA AVE, RIVERSIDE, CA 92504-8730

Mortgage

Document Number	0000379274
Date	Dec 5, 2025
Instrument	2025-0379274

Lender

Name	HOME MORTGAGE ALLIANCE CORP
Type	Mortgage Company
Address	SANTA ANA, CA 92707

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Dec 1, 2055

September 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	RIVERSIDE CA
Property Address	16138 MARIPOSA AVE, RIVERSIDE, CA 92504-8730
Transaction Type	Mortgage
Record Updated	Sep 28, 2021
Title Company	TICOR TITLE RIVERSIDE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	16138 MARIPOSA AVE, RIVERSIDE, CA 92504-8730

Mortgage

Document Number	0000545641
Date	Sep 13, 2021
Instrument	2021-0545641

Lender

Name	SUMMIT FUNDING INC
Type	Mortgage Company
Address	ANAHEIM, CA 92815

Agreement

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

July 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	RIVERSIDE CA
Recording Date	Jul 3, 2019
Property Address	16138 MARIPOSA AVE, RIVERSIDE, CA 92504-8730
Document Number	0000245208
Instrument Date	Jun 26, 2019
Instrument	245208
Transaction Type	Transfer
Record Updated	Jul 15, 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	$1,054.35
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	16138 MARIPOSA AVE RIVERSIDE CA 925048730, RIVERSIDE, CA 92504-8730

Mortgage

Document Number	245209
Date	Jul 3, 2019
Instrument	245209

Lender

Name	KBHS HM LNS LLC
Address	IRVING, TX 75039

Agreement

Amount	Amount on Record
Term	360 Months
Due	Jul 2, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 16138 Mariposa Ave was $24,137 with a homeowner's exemption.

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		$1,912,500 (+2%) Land $576,300 Building $1,336,200
2025	$24,137.00 Homeowner's exemption	$1,875,000 Land $565,000 Building $1,310,000
2023	$15,185.00 (+1.6%) Homeowner's exemption	$1,086,566 Land $78,837 Building $1,007,729
2022	$14,946.00
2021			$1,200,690

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

Flood

FEMA maps place 16138 Mariposa Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	1 in force

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 16138 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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