Riverside County property record for 18775 Mariposa Ave, Riverside, CA 92508
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,533 sqft · built 1955 |
| Lot Size | 0.39 acres (16,988 sqft) |
| Owner | Individual Name on File |
| Last Sale | $192,000 (Dec 2012) |
| Tax Bill | $2,636 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 267-111-001 |
| Primary APN | 267-111-001 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,533 sqft Living Area |
| Gross Area | 1,910 sqft |
| 1st Floor Area | 1,533 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Construction Type | Wood |
| Roof Material | Gravel |
| Lot Area | 16,988 sqft (0.39 acres) |
| Garage Type | Attached |
| Garage Area | 342 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Old Parcel Number | 114100035 |
|---|---|
| Street Address | 18775 MARIPOSA AVE |
| City | RIVERSIDE |
| State | CA |
| Zip | 92508-9620 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RA |
| Legal Description | LOT 34 MB 013/084 RINEHART ACRES |
| Legal Subdivision | RINEHART ACRES |
| Legal Lot Number | 34 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | LAKE MATHEWS |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 42009 |
18775 Mariposa Ave is owned and occupied by an individual who bought it in December 2012.
Source: Riverside County records, as of July 29, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 18775 MARIPOSA AVE, RIVERSIDE, CA 92508-9620 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Name on Deed |
|---|---|
| Last Sale | Dec 10, 2012 · Amount on File |
| Deed Sale | Dec 10, 2012 · Amount on File |
| Prior Sale | Aug 16, 2005 · Amount on File |
| Deed Document Number | 2012599011 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 18775 Mariposa Ave was $2,636.
Source: Riverside County assessment roll, as of July 29, 2026
| Type | Name |
|---|---|
| State | California |
| County | Riverside County |
| Unified School District | Riverside Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $241,147 (+2%) Land $75,355 Building $165,792 | ||
| 2025 | $2,636.00 | $236,420 Land $73,878 Building $162,542 | |
| 2023 | $2,530.00 (+1.98%) | $227,241 Land $71,010 Building $156,231 | |
| 2022 | $2,481.00 | ||
| 2021 | $473,670 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18775 Mariposa Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1980.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (1980) |
| Most Recent Claim | Mar 1980 · tidal / storm surge |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 18775 Mariposa Ave is moderate, ranking above 58% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 58% of the US · lower than 65% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
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 | WESTERN MWD serves 87,955 people · EPA ID CA3310049 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Dec 2023 |
| 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 319 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 · Fiber in parts of the area | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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