Riverside County property record for 3988 San Mateo Ave, Riverside, CA 92504
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 2 ba · 1,647 sqft · built 1952 |
| Lot Size | 0.23 acres (10,019 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $250,000 (Mar 2017) |
| Tax Bill | $3,672 (2025) |
| Deeds & Mortgages | Mar 2017 Transfer Mar 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 227-243-002 |
| Primary APN | 227-243-002 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 2 Stories |
| Building Area | 1,647 sqft Living Area |
| Gross Area | 2,182 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 10,019 sqft (0.23 acres) |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Connected |
| Old Parcel Number | 051300202 |
|---|---|
| Street Address | 3988 SAN MATEO AVE |
| City | RIVERSIDE |
| State | CA |
| Zip | 92504-2623 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1065 |
| Legal Description | POR LOT H AND LOT 62 MB 024/074 HEERS SUB 4 |
| Legal Subdivision | HEERS SUB 4 |
| Legal Lot Number | H |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | RIVERSIDE |
| Census Block Group | 4 |
| Census Block | 4008 |
| Census Tract | 31402 |
3988 San Mateo Ave is owned and occupied by two individuals who bought it in March 2017.
Source: Riverside County records, as of July 29, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3988 SAN MATEO AVE, RIVERSIDE, CA 92504-2623 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Mar 24, 2017 | Affidavit of Death, Transfer |
| Mar 24, 2017 | Affidavit of Death, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 24, 2017 · Amount on File |
| Deed Sale | Mar 24, 2017 · Amount on File |
| Deed Document Number | 2017119356 |
| Prior Transfer Date | Mar 5, 2007 |
| Prior Transfer Doc | 0000168070 |
| Record Updated | Oct 29, 2026 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | RIVERSIDE CA |
| Recording Date | Mar 24, 2017 |
| Property Address | 3988 SAN MATEO AVE, RIVERSIDE, CA 92504-2623 |
| Document Number | 0000119355 |
| Instrument Date | Jan 30, 2017 |
| Instrument | 119355 |
| Transaction Type | Transfer |
| Record Updated | Apr 4, 2017 |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3988 SAN MATEO AVE RIVERSIDE CA 925042623, RIVERSIDE, CA 92504-2623 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | RIVERSIDE CA |
| Recording Date | Mar 24, 2017 |
| Property Address | 3988 SAN MATEO AVE, RIVERSIDE, CA 92504-2623 |
| Document Number | 0000119354 |
| Instrument Date | Jan 30, 2017 |
| Instrument | 119354 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2017 |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3988 SAN MATEO AVE RIVERSIDE CA 925042623, RIVERSIDE, CA 92504-2623 |
The 2025 property tax bill for 3988 San Mateo Ave was $3,672.
Source: Riverside County assessment roll, as of July 29, 2026
| Type | Name |
|---|---|
| State | California |
| County | Riverside County |
| Municipality | Riverside City |
| Unified School District | Riverside Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $331,456 (+2%) Land $82,862 Building $248,594 | ||
| 2025 | $3,672.00 | $324,958 Land $81,238 Building $243,720 | |
| 2023 | $3,537.00 (+1.87%) | $312,342 Land $78,085 Building $234,257 | |
| 2022 | $3,472.00 | ||
| 2021 | $378,630 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3988 San Mateo Ave in Zone X, an area of minimal flood risk.
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.
The area around 3988 San Mateo Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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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