Riverside County property record for 3937 San Marcos Ave, Riverside, CA 92504
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 878 sqft · built 1952 |
| Lot Size | 0.15 acres (6,534 sqft) |
| Owner | Owner Name on Record |
| Last Sale | $160,000 (Oct 2010) |
| Tax Bill | $2,262 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 227-241-026 |
| Primary APN | 227-241-026 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 878 sqft Living Area |
| Gross Area | 1,084 sqft |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 6,534 sqft (0.15 acres) |
| Garage Type | Attached |
| Garage Area | 206 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Connected |
| Account Number | 227241026 |
|---|---|
| Street Address | 3937 SAN MARCOS AVE |
| City | RIVERSIDE |
| State | CA |
| Zip | 92504-2618 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1065 |
| Legal Description | LOT 26 MB 024/074 HEERS SUB 4 |
| Legal Subdivision | HEERS SUBDIVISION #4 |
| Legal Lot Number | 26 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | RIVERSIDE |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 31402 |
Source: Riverside County records, as of October 13, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Owner Name on Record |
|---|---|
| Mailing Address | 3937 SAN MARCOS AVE, RIVERSIDE, CA 92504-2618 |
| Occupancy | Owner Occupied |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 22, 2010 · Amount on Record |
| Deed Sale | Oct 22, 2010 · Amount on Record |
| Prior Sale | May 15, 1997 |
| Deed Document Number | 2010-0506980 |
| Record Updated | Jun 7, 2026 |
Source: Riverside County assessment roll, as of July 1, 2025
| Type | Name |
|---|---|
| State | California |
| County | Riverside County |
| Municipality | Riverside City |
| Unified School District | Riverside Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $2,262.00 (+3.9%) Homeowner's exemption | $204,969 (+4.04%) Land $64,049 Building $140,920 |
| 2023 | $2,177.00 (+1.92%) Homeowner's exemption | $197,012 Land $61,563 Building $135,449 |
| 2022 | $2,136.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 558 locations within half a mile, as of December 31, 2025
| Provider | Max 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: GeoLinks, T-Mobile, Verizon.
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