Los Angeles County property record for 423 E el Sur St, Monrovia, CA 91016
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 864 sqft · built 1948 |
| Lot Size | 0.148 acres (6,457 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $940 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8513-009-012 |
| Primary APN | 8513-009-012 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 864 sqft Living Area |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Hip |
| Roof Material | Composition Shingle |
| Lot Area | 6,457 sqft (0.148 acres) |
| Lot Dimensions | 100 ft deep x 64 ft wide |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 423 E EL SUR ST |
|---|---|
| City | MONROVIA |
| State | CA |
| Zip | 91016-4804 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT # 13729 LOT 25 |
| Legal Subdivision | 13729 |
| Legal Tract | 13729 |
| Legal Block | 2 |
| Legal Lot Number | 25 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | UPPER SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2032 |
| Census Tract | 431100 |
Source: Los Angeles County records · APN 8513-009-012
Assessment roll updated May 21, 2026 · Last verified June 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 File |
|---|---|
| Mailing Address | 423 E EL SUR ST, MONROVIA, CA 91016-4804 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Oct 27, 2016 |
| Transfer Doc | 0001364577 |
| Record Updated | Sep 20, 2026 |
Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Unified School District | Monrovia Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $940.00 (+13.25%) Homeowner's exemption | $35,259 (+4.03%) Land $13,903 Building $21,356 |
| 2023 | $830.00 (+2.6%) Homeowner's exemption | $33,892 Land $13,364 Building $20,528 |
| 2022 | $809.00 |
Source: FEMA National Flood Hazard Layer, Los Angeles County (06037C), updated September 30, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060374311002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 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 |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 858 locations within half a mile · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
May also be available: California Internet, T-Mobile USA.
Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026
| Water System | CAL-AM WATER COMPANY - DUARTE private · serves 24,767 people |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Feb 2025 |
| Lead | 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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