Riverside County property record for 4173 Ottawa Ave, Riverside, CA 92507
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 720 sqft · built 1943 |
| Lot Size | 0.13 acres (5,663 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $480,000 (Nov 2024) |
| Tax Bill | $5,329 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 221-052-024 |
| Primary APN | 221-052-024 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 720 sqft Living Area |
| Gross Area | 780 sqft |
| Year Built | Built 1943 |
|---|---|
| Effective Year Built | Effective 1943 |
| Construction Type | Wood |
| Roof Material | Gravel |
| Lot Area | 5,663 sqft (0.13 acres) |
| Garage Type | Detached |
| Garage Area | 441 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Connected |
| Old Parcel Number | 032200227 |
|---|---|
| Street Address | 4173 OTTAWA AVE |
| City | RIVERSIDE |
| State | CA |
| Zip | 92507-5247 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R2 |
| Legal Description | LOT 26 MB 020/019 UNIVERSITY SQ |
| Legal Subdivision | UNIVERSITY SQ |
| Legal Lot Number | 26 |
| Jurisdiction | RIVERSIDE CA |
| Township / Civil Division | RIVERSIDE |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 30501 |
4173 Ottawa Ave is owned and occupied by two individuals who bought it in November 2024.
Source: Riverside County records, as of August 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4173 OTTAWA AVE, RIVERSIDE, CA 92507-5247 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 8, 2024 · Amount on File |
| Deed Sale | Nov 8, 2024 · Amount on File |
| Prior Sale | Jan 27, 2011 · Amount on File |
| Deed Document Number | 2024340924 |
| Prior Transfer Date | May 31, 2006 |
| Prior Transfer Doc | 0000419843 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 4173 Ottawa Ave was $5,329 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 | $489,600 (+2%) Land $146,880 Building $342,720 | ||
| 2025 | $5,329.00 Homeowner's exemption | $480,000 Land $144,000 Building $336,000 | |
| 2023 | $920.00 (+1.77%) | $76,951 Land $49,250 Building $27,701 | |
| 2022 | $904.00 | ||
| 2021 | $132,030 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 4173 Ottawa 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 4173 Ottawa 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 430 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: GeoLinks, T-Mobile.
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