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3957 San Marcos Ave, Riverside, CA 92504 Property Records

Riverside County property record for 3957 San Marcos Ave, Riverside, CA 92504

Property Summary

Property TypeSingle Family Home
Details3 bd · 1.75 ba · 1,660 sqft · built 1952
Lot Size0.14 acres (6,098 sqft)
Owner2 Individual Names on File
Tax Bill$1,800 (2025)
Deeds & MortgagesJul 2017 Transfer
Jul 2017 Transfer
+ 1 more
Flood ZoneZone X (minimal risk)
APN227-241-028

Property Details

APN / Parcel Number

Primary APN227-241-028
Alternative APN
  • 051300128

Interior

Bedrooms3 Beds
Full Baths1.75 Baths
Half Baths1 Half Bath
Stories1 Story
Building Area1,660 sqft Living Area
Gross Area1,680 sqft
1st Floor Area1,660 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1952
Effective Year BuiltEffective 1952
Construction TypeWood
Roof MaterialGravel
Lot Area6,098 sqft (0.14 acres)
Garage TypeDetached
Garage Area400 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelGas
SewerConnected

Location & Zoning

Old Parcel Number051300128
Street Address3957 SAN MARCOS AVE
CityRIVERSIDE
StateCA
Zip92504-2618
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1065
Legal DescriptionLOT 28 MB 024/074 HEERS SUB 4
Legal SubdivisionHEERS SUB 4
Legal Lot Number28
JurisdictionRIVERSIDE CA
Township / Civil DivisionRIVERSIDE
Census Block Group4
Census Block4005
Census Tract31402

Owner

Source: Riverside County records · APN 227-241-028

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 Record2 Individual Names on File
Mailing Address6133 PALM AVE, RIVERSIDE, CA 92506-2023
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Jul 31, 2017Quit Claim Deed, Transfer
Quitclaim
Jul 31, 2017Quit Claim Deed, Transfer
Quitclaim
Jul 31, 2017Affidavit of Death, Transfer

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last Transfer DateJun 28, 2017
Transfer Doc0000311786
Record UpdatedSep 20, 2026

July 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionRIVERSIDE CA
Recording DateJul 31, 2017
Property Address3957 SAN MARCOS AVE, RIVERSIDE, CA 92504-2618
Document Number0000311787
Instrument DateJun 28, 2017
Instrument311787
Transaction TypeTransfer
Record UpdatedAug 08, 2017

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address3957 SAN MARCOS AVE RIVERSIDE CA 925042618, RIVERSIDE, CA 92504-2618

July 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionRIVERSIDE CA
Recording DateJul 31, 2017
Property Address3957 SAN MARCOS AVE, RIVERSIDE, CA 92504-2618
Document Number0000311788
Instrument DateJun 28, 2016
Instrument311788
Transaction TypeTransfer
Record UpdatedAug 08, 2017

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address6133 PALM AVE RIVERSIDE CA 925062023, RIVERSIDE, CA 92506-2023

July 2017: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionRIVERSIDE CA
Recording DateJul 31, 2017
Property Address3957 SAN MARCOS AVE, RIVERSIDE, CA 92504-2618
Document Number0000311786
Instrument DateJun 28, 2016
Instrument311786
Transaction TypeTransfer
Record UpdatedAug 08, 2017

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address6133 PALM AVE RIVERSIDE CA 925062023, RIVERSIDE, CA 92506-2023

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyRiverside County
MunicipalityRiverside City
Unified School DistrictRiverside 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.

YearTax BillAssessed ValueAssessed Market Value
2026$159,453 (+2%) Land $53,858 Building $105,595
2025$1,800.00 (+3.75%)$156,327 (+4.04%) Land $52,802 Building $103,525
2023$1,735.00 (+1.82%)$150,258 Land $50,752 Building $99,506
2022$1,704.00
2021$444,870

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 14, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Wildfire

Wildfire RiskNot rated
no burnable land within ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

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

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL in parts of the area		5,000 / 5,000
Spectrum
Cable		1,000 / 1,000

May also be available: California Internet, T-Mobile USA, Verizon.

Based on FCC filings for 558 locations within half a mile of this property.

Drinking Water

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

Water SystemCITY OF RIVERSIDE
serves 302,776 people
Water SourceGroundwater influenced by surface water
Lead1 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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.

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