Los Angeles County property record for 1848 Mountain Ave, Duarte, CA 91010
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 872 sqft · built 1948 |
| Lot Size | 0.173 acres (7,531 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $1,842 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8531-017-015 |
| Primary APN | 8531-017-015 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 872 sqft Living Area |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | Conventional |
| Exterior Material | Block |
| Construction Type | Masonry / Concrete Block |
| Roof Type | Flat |
| Roof Material | Rolled Roofing |
| Lot Area | 7,531 sqft (0.173 acres) |
| Lot Dimensions | 125 ft deep x 60 ft wide |
| Garage Type | Detached |
| Heating System | Floor/Wall Furnace |
|---|---|
| Water Source | Commercial |
| Street Address | 1848 MOUNTAIN AVE |
|---|---|
| City | DUARTE |
| State | CA |
| Zip | 91010-3239 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | DUR16500* |
| Legal Description | TRACT # 13541 LOT 67 |
| Legal Subdivision | 13541 |
| Legal Tract | 13541 |
| Legal Block | 2 |
| Legal Lot Number | 67 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | UPPER SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 430102 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 1848 MOUNTAIN AVE, DUARTE, CA 91010-3239 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names 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 | Duarte City |
| Unified School District | Duarte Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $96,871 (+2%) Land $31,681 Building $65,190 | |
| 2025 | $1,842.00 (+8.99%) Homeowner's exemption | $94,972 (+4.04%) Land $31,060 Building $63,912 |
| 2023 | $1,690.00 (+2.24%) Homeowner's exemption | $91,285 Land $29,854 Building $61,431 |
| 2022 | $1,653.00 |
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 | 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 | 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 | CAL-AM WATER COMPANY - DUARTE private · serves 24,767 people · EPA ID CA1910186 |
|---|---|
| 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, 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 359 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 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
May also be available: GeoLinks, T-Mobile.
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