Los Angeles County property record for 839 Mount Olive Dr, Duarte, CA 91010
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 2 ba · 1,897 sqft · built 1955 |
| Lot Size | 0.145 acres (6,330 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $509,000 (Apr 2015) |
| Tax Bill | $8,614 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8529-005-064 |
| Primary APN | 8529-005-064 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,897 sqft Living Area |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 6,330 sqft (0.145 acres) |
| Lot Dimensions | 90 ft deep x 70 ft wide |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 839 MOUNT OLIVE DR |
|---|---|
| City | DUARTE |
| State | CA |
| Zip | 91010-2105 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | DUR16500* |
| Legal Description | SUB OF THE RANCHO AZUSA DE DUARTE W 70 F T OF E 330 FT OF S 90 FT OF N 390 FT OF LOT 12 IN SEC 29 T 1N R 10W |
| Legal Range | 10W |
| Legal Township | 01N |
| Legal Section | 29 |
| Legal Subdivision | RANCHO AZUSA DE DUARTE |
| Legal Block | 3 |
| Legal Lot Number | 12 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | UPPER SAN GABRIEL VALLEY |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 430004 |
839 Mount Olive Dr is owned and occupied by two individuals who bought it in April 2015.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 839 MOUNT OLIVE DR, DUARTE, CA 91010-2105 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Apr 17, 2015 · Amount on File |
| Deed Sale | Apr 17, 2015 · Amount on File |
| Prior Sale | Sep 12, 2013 · Amount on File |
| Deed Document Number | 2015429909 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 839 Mount Olive Dr was $8,614.
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 | $623,965 (+2%) Land $355,258 Building $268,707 | |
| 2025 | $8,614.00 | $611,732 Land $348,293 Building $263,439 |
| 2023 | $8,087.00 (+2.51%) | $587,979 Land $334,769 Building $253,210 |
| 2022 | $7,889.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 839 Mount Olive Dr 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.
Wildfire risk around 839 Mount Olive Dr is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Indirect 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 345 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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