Los Angeles County property record for 854 Diamond St, Monrovia, CA 91016
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,779 sqft · built 1991 |
| Lot Size | 0.387 acres (16,876 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $6,111 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8507-018-025 |
| Primary APN | 8507-018-025 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,779 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 1991 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 16,876 sqft (0.387 acres) |
| Lot Dimensions | 153 ft deep x 110 ft wide |
| Pool Type | Spa / Hot Tub (No Pool) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 854 DIAMOND ST |
|---|---|
| City | MONROVIA |
| State | CA |
| Zip | 91016-3828 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | MORPD* |
| Legal Description | *LAND DESC IN DOC 0005559, 76-2-13 *TR=P ART OF SANTA ANITA TR*POR OF BLK 38 |
| Legal Subdivision | SANTA ANA TRACT |
| Legal Block | 38 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | UPPER SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 430902 |
854 Diamond St is owned and occupied by an individual who acquired it in January 2015.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 854 DIAMOND ST, MONROVIA, CA 91016-3828 |
| 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 30, 2004 |
| Deed Sale | Dec 30, 2004 |
| Prior Sale | Jan 13, 1994 · Amount on File |
| Deed Document Number | 20043395828 |
| Last Transfer Date | Jan 21, 2015 |
| Transfer Doc | 0000322120 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 854 Diamond St was $6,111.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Monrovia City |
| Unified School District | Monrovia Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $429,755 (+2%) Land $234,034 Building $195,721 | |
| 2025 | $6,111.00 | $421,330 Land $229,446 Building $191,884 |
| 2023 | $5,830.00 (+2.91%) | $404,972 Land $220,538 Building $184,434 |
| 2022 | $5,665.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 854 Diamond St 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.
The area around 854 Diamond St 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 | MONROVIA-CITY, WATER DEPT. serves 37,931 people · EPA ID CA1910090 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Sep 2024 |
| 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 807 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 |
| Giggle Fiber Cable | 1,000 / 40 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · Fiber, DSL in parts of the area | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Frontier, GeoLinks, Sonic Telecom.
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