Los Angeles County property record for 1551 Prospect Ave, San Gabriel, CA 91776
| Property Type | Duplex |
|---|---|
| Details | 12 bd · 8 ba · 6,054 sqft · built 1942 |
| Lot Size | 0.367 acres (15,972 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $11,631 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 5360-015-037 |
| Primary APN | 5360-015-037 |
|---|
| Bedrooms | 12 Beds |
|---|---|
| Full Baths | 8 Baths |
| Units | 8 Units |
| Stories | 1 Story |
| Building Area | 6,054 sqft Living Area |
| Year Built | Built 1942 |
|---|---|
| Effective Year Built | Effective 1942 |
| Architectural Style | Duplex Single |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Hip |
| Roof Material | Composition Shingle |
| Lot Area | 15,972 sqft (0.367 acres) |
| Total Buildings | 5 Buildings |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 1551 PROSPECT AVE |
|---|---|
| City | SAN GABRIEL |
| State | CA |
| Zip | 91776 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | SLR3* |
| Legal Description | TRACT NO 5768 THAT PART S OF N 50 FT OF LOT 82 |
| Legal Subdivision | 5768 |
| Legal Tract | 5768 |
| Legal Block | 1 |
| Legal Lot Number | 82 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | SOUTHWEST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 481401 |
Source: Los Angeles County records, as of May 21, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | PO BOX 1345, CLAREMONT, CA 91711-1345 |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Los Angeles County assessment roll, as of May 21, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | San Gabriel City |
| Unified School District | San Gabriel Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $11,631.00 (+4.83%) | $694,977 (+4.04%) Land $398,272 Building $296,705 |
| 2024 | $11,095.00 (+1.52%) | |
| 2023 | $10,929.00 (+7.21%) | $667,992 Land $382,807 Building $285,185 |
| 2022 | $10,194.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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 | SAN GABRIEL COUNTY WD serves 40,154 people · EPA ID CA1910144 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2023 |
| Lead | Under 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 786 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 DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: GeoLinks.
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