9571 Mason St, Riverside, CA 92503 Property Records

Riverside County property record for 9571 Mason St, Riverside, CA 92503

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 826 sqft · built 1953
Lot Size	0.19 acres (8,276 sqft)
Owner	Individual Name on Record
Last Sale	$300,000 (May 2017)
Tax Bill	$3,929 (2025)
Deeds & Mortgages	May 2017 Sale & Mortgage May 2017 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`145-290-025`

Property Details

APN / Parcel Number

Primary APN	`145-290-025`
Alternative APN	`051800018`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	4 Rooms
Stories	1 Story
Building Area	826 sqft Living Area
Gross Area	851 sqft
1st Floor Area	826 sqft

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1953
Construction Type	Wood
Roof Material	Gravel
Lot Area	8,276 sqft (0.19 acres)
Garage Type	Detached
Garage Area	360 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas
Sewer	Connected

Location & Zoning

Old Parcel Number	051800018
Street Address	9571 MASON ST
City	RIVERSIDE
State	CA
Zip	92503-3611
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R2
Legal Description	LOT 18 MB 008/026 VAN BUREN PK RESUB OF
Legal Subdivision	VAN BUREN PK RESUB OF
Legal Lot Number	18
Jurisdiction	RIVERSIDE CA
Township / Civil Division	RIVERSIDE
Census Block Group	1
Census Block	1006
Census Tract	31602

Owner

Source: Riverside County records, as of July 29, 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	9571 MASON ST, RIVERSIDE, CA 92503-3611
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single Person

Deeds, Mortgages & Sale History

Date	Document
May 11, 2017	Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
May 11, 2017	Quit Claim Deed, Transfer ORANGE COAST TITLE COMPANY/NTHRN CA, ORANGE COAST TITLE CO/NTHRN CA
May 11, 2017	Affidavit of Death, Transfer ORANGE COAST TITLE COMPANY/NTHRN CA, ORANGE COAST TITLE CO/NTHRN CA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 11, 2017 · Amount on Record
Deed Sale	May 11, 2017 · Amount on Record
Prior Sale	Feb 25, 2000 · Amount on Record
Deed Document Number	2017190241
Prior Transfer Date	Apr 10, 2017
Prior Transfer Doc	0000190240
Record Updated	Oct 29, 2026

May 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	RIVERSIDE CA
Recording Date	May 11, 2017
Property Address	9571 MASON ST, RIVERSIDE, CA 92503-3611
Document Number	0000190241
Map Reference	MB 8 PG 26
Instrument Date	Apr 10, 2017
Instrument	2017-0190241
Transaction Type	Transfer
Record Updated	Sep 28, 2021
Title Company	ORANGE COAST TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$660.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	9571 MASON ST, RIVERSIDE, CA 92503-3611

Mortgage

Document Number	0000190242
Date	May 11, 2017
Instrument	2017-0190242

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2047

May 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	RIVERSIDE CA
Recording Date	May 11, 2017
Property Address	9571 MASON ST, RIVERSIDE, CA 92503-3611
Document Number	0000190240
Instrument Date	Apr 10, 2017
Instrument	190240
Transaction Type	Transfer
Record Updated	May 17, 2017
Title Company	ORANGE COAST TITLE COMPANY/NTHRN CA, ORANGE COAST TITLE CO/NTHRN CA

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	9571 MASON ST RIVERSIDE CA 925033611, RIVERSIDE, CA 92503-3611

May 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	RIVERSIDE CA
Recording Date	May 11, 2017
Property Address	9571 MASON ST, RIVERSIDE, CA 92503-3611
Document Number	0000190239
Instrument Date	Apr 8, 2017
Instrument	190239
Transaction Type	Transfer
Record Updated	May 18, 2017
Title Company	ORANGE COAST TITLE COMPANY/NTHRN CA, ORANGE COAST TITLE CO/NTHRN CA

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	6580 HILLSIDE AVE RIVERSIDE CA 925041631, RIVERSIDE, CA 92504-1631

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$355,131 (+2%) Land $71,024 Building $284,107
2025	$3,929.00 (+3.8%)	$348,169 (+4.04%) Land $69,632 Building $278,537
2023	$3,785.00 (+1.88%)	$334,651 Land $66,929 Building $267,722
2022	$3,715.00
2021			$387,900

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

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	CITY OF RIVERSIDE serves 302,776 people · EPA ID CA3310031
Water Source	Groundwater influenced by surface water
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 575 locations within half a mile, as of December 31, 2025

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

May also be available: GeoLinks, Verizon.

Nearby Properties on Mason St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures