Los Angeles County property record for 23108 Rio Lobos Rd, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,449 sqft · built 1984 |
| Lot Size | 0.152 acres (6,634 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $490,000 (Oct 2012) |
| Tax Bill | $7,856 (2025) |
| Deeds & Mortgages | May 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 8717-029-034 |
| Primary APN | 8717-029-034 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,449 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1984 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Tile |
| Lot Area | 6,634 sqft (0.152 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 23108 RIO LOBOS RD |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-4134 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR3800025 |
| Legal Description | *TR=37034 LOT 23 |
| Legal Subdivision | 37034 |
| Legal Tract | 37034 |
| Legal Block | 2 |
| Legal Lot Number | 23 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 403319 |
23108 Rio Lobos Rd is owned and occupied by two individuals who bought it in October 2012.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 23108 RIO LOBOS RD, DIAMOND BAR, CA 91765-4134 |
| 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 | Oct 31, 2012 · Amount on File |
| Deed Sale | Oct 31, 2012 · Amount on File |
| Prior Sale | Jul 14, 2003 · Amount on File |
| Deed Document Number | 20121651732 |
| Prior Transfer Date | Nov 5, 2010 |
| Prior Transfer Doc | 0001667721 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 23108 RIO LOBOS RD, DIAMOND BAR, CA 91765-4134 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000567239 |
|---|---|
| Date | May 26, 2020 |
| Instrument | 20-0567239 |
| Name | SCHOOLSFIRST FCU |
|---|---|
| Type | Credit Union |
| Address | TUSTIN, CA 92780 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Jun 1, 2035 |
The 2025 property tax bill for 23108 Rio Lobos Rd was $7,856.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Diamond Bar City |
| Unified School District | Walnut Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $615,458 (+2%) Land $356,089 Building $259,369 | |
| 2025 | $7,856.00 | $603,391 Land $349,107 Building $254,284 |
| 2023 | $7,302.00 (+2.13%) | $579,962 Land $335,551 Building $244,411 |
| 2022 | $7,150.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 23108 Rio Lobos Rd in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 30, 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 23108 Rio Lobos Rd is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | WALNUT VALLEY WATER DISTRICT serves 100,941 people · EPA ID CA1910234 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jun 2023 |
| Lead | Under 1 ppb (2022–2024) 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 464 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Frontier, GeoLinks.
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