Riverside County property record for 3989 Mount Vernon Ave, Riverside, CA 92507
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,655 sqft · built 1959 |
| Lot Size | 0.48 acres (20,909 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $2,770 (2025) |
| Deeds & Mortgages | Jan 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 253-123-013 |
| Primary APN | 253-123-013 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,655 sqft Living Area |
| Gross Area | 2,665 sqft |
| 1st Floor Area | 1,655 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Architectural Style | Traditional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Gravel |
| Lot Area | 20,909 sqft (0.48 acres) |
| Garage Type | Attached |
| Garage Area | 546 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Connected |
| Old Parcel Number | 122502149 |
|---|---|
| Street Address | 3989 MT VERNON AVE |
| City | RIVERSIDE |
| State | CA |
| Zip | 92507-4801 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LOT 37 MB 035/065 UNIVERSITY HILLS 2 |
| Legal Subdivision | UNIVERSITY HILLS 2 |
| Legal Lot Number | 37 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | RIVERSIDE |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 42213 |
3989 Mount Vernon Ave is owned by a company that acquired it in January 2022 and is owner-occupied.
Source: Riverside County records, as of July 29, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 3989 MT VERNON AVE, RIVERSIDE, CA 92507-4801 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jan 27, 2022 |
| Transfer Doc | 0000044804 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | RIVERSIDE CA |
| Recording Date | Jan 27, 2022 |
| Property Address | 3989 MT VERNON AVE, RIVERSIDE, CA 92507-4801 |
| Document Number | 0000044804 |
| Map Reference | MB 35 PG 65&66 |
| Instrument Date | Jan 27, 2022 |
| Instrument | 2022-0044804 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3989 MT VERNON AVE, RIVERSIDE, CA 92507-4801 |
| Investor | Possibly a Property Investor |
The 2025 property tax bill for 3989 Mount Vernon Ave was $2,770 with a homeowner's exemption.
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 | $255,686 (+2%) Land $82,768 Building $172,918 | ||
| 2025 | $2,770.00 Homeowner's exemption | $250,674 Land $81,146 Building $169,528 | |
| 2023 | $4,995.00 (-31.33%) Homeowner's exemption | $240,942 Land $77,996 Building $162,946 | |
| 2022 | $7,274.00 | ||
| 2021 | $459,270 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3989 Mount Vernon 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.
Wildfire risk around 3989 Mount Vernon Ave is moderate, ranking above 46% of the US, with a 0.08% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 46% of the US · lower than 72% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Indirect 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 331 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures