Los Angeles County property record for 257 E el Sur St, Monrovia, CA 91016
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 1,724 sqft · built 1955 |
| Lot Size | 0.252 acres (10,971 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,100 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8513-004-047 |
| Primary APN | 8513-004-047 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Units | 2 Units |
| Building Area | 1,724 sqft Living Area |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Duplex Single |
| Construction Type | Wood |
| Lot Area | 10,971 sqft (0.252 acres) |
| Total Buildings | 2 Buildings |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 257 E EL SUR ST |
|---|---|
| City | MONROVIA |
| State | CA |
| Zip | 91016-4801 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | MOM* |
| Legal Description | STEWARD AND MULFORD SUB 39.80 ACS PART OF LOT 6, SEC 35, RANCHO AZUSA DE DUARTE LOT COM AT NE COR OF LOT G TH SW ON SE LINE OF SD LOT 177.61 FT TH W 55 FT TH NE TO N LINE OF SD LOT W THEREON 74 FT FROM BEG TH E TO BEG PART OF LOT G |
| Legal Subdivision | STEWARD & MULFORD SUB |
| Legal Block | 2 |
| Legal Lot Number | 6 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | UPPER SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2027 |
| Census Tract | 431100 |
Source: Los Angeles County assessment roll, 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 Individual Names on File |
|---|---|
| Mailing Address | 616 CHARTER OAK ST, SOUTH PASADENA, CA 91030-2304 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified 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 | Monrovia City |
| Unified School District | Monrovia Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $2,100.00 (+5.9%) | $99,270 (+4.04%) Land $22,603 Building $76,667 |
| 2024 | $1,983.00 (+1.95%) | |
| 2023 | $1,945.00 (+2.48%) | $95,417 Land $21,726 Building $73,691 |
| 2022 | $1,898.00 |
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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 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 99.1% of the US · lower than 99.2% 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 380 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Giggle Fiber Cable · Fiber in parts of the area | 1,000 / 40 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Sonic Telecom.
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