Los Angeles County property record for 1237 S Shamrock Ave, Monrovia, CA 91016
| Property Type | Light Industrial |
|---|---|
| Details | 3,360 sqft · built 1968 |
| Lot Size | 0.144 acres (6,287 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $5,886 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8515-008-027 |
| Primary APN | 8515-008-027 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 3,360 sqft Total Area |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1969 |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 6,287 sqft (0.144 acres) |
| Street Address | 1237 S SHAMROCK AVE |
|---|---|
| City | MONROVIA |
| State | CA |
| Zip | 91016-4244 |
| Property Category | Industrial |
| Property Type | Industrial > Light Industrial |
| Local Zoning Code | MOM* |
| Legal Description | SHERMAN AND PINNEYS SUB OF LOTS F AND G BLK 16 2ND ADD TO MONROVIA TRACT (EX OF ST) LOT 3 |
| Legal Subdivision | SHERMAN & PINNEYS |
| Legal Block | 16 |
| Legal Lot Number | F,G,3 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | UPPER SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 431100 |
Source: Los Angeles County records, as of August 25, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 1241 S SHAMROCK AVE, MONROVIA, CA 91016-4244 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
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 | $390,442 (+2%) Land $186,827 Building $203,615 | |
| 2025 | $5,886.00 (+5.14%) | $382,787 (+4.04%) Land $183,164 Building $199,623 |
| 2023 | $5,598.00 (+2.79%) | $367,924 Land $176,052 Building $191,872 |
| 2022 | $5,446.00 |
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 · 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 Policies | 2 in force |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 93% of the US · lower than 96% 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 | 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 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Frontier, GeoLinks, Giggle Fiber.
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