Los Angeles County property record for 2433 Mountain Ave, Duarte, CA 91010
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,035 sqft · built 1951 |
| Lot Size | 0.109 acres (4,737 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $130,000 (Jul 1994) |
| Tax Bill | $3,389 (2025) |
| Deeds & Mortgages | Sep 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 8521-012-039 |
| Primary APN | 8521-012-039 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 1,035 sqft Living Area |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Construction Type | Wood |
| Lot Area | 4,737 sqft (0.109 acres) |
| Lot Dimensions | 112 ft deep x 50 ft wide |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 2433 MOUNTAIN AVE |
|---|---|
| City | DUARTE |
| State | CA |
| Zip | 91010-3561 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR27500* |
| Legal Description | M B 12-72 NE 50 FT OF SW 125 FT OF SE 1/2 FT EX OF ST OF LOT 4 |
| Legal Subdivision | RANCHO AZUSA THE DUARTE |
| Legal Block | 2 |
| Legal Lot Number | 4 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | UPPER SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 431200 |
2433 Mountain Ave is owned and occupied by two individuals who bought it in July 1994.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2433 MOUNTAIN AVE, DUARTE, CA 91010-3561 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Jul 21, 1994 · Amount on File |
| Deed Sale | Jul 21, 1994 · Amount on File |
| Deed Document Number | 19941356150 |
| Prior Transfer Date | Jul 18, 1994 |
| Prior Transfer Doc | 0001356149 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 2433 MOUNTAIN AVE, DUARTE, CA 91010-3561 |
| Transaction Type | Mortgage |
| Record Updated | Sep 20, 2021 |
| Title Company | STEWART TITLE, STEWART TITLE OF CA INC |
| Name | Verified Name |
|---|---|
| Address | 2433 MOUNTAIN AVE, DUARTE, CA 91010-3561 |
| Document Number | 0001395398 |
|---|---|
| Date | Sep 13, 2021 |
| Instrument | 21-1395398 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Oct 1, 2036 |
The 2025 property tax bill for 2433 Mountain Ave was $3,389.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Unified School District | Duarte Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $220,562 (+2%) Land $141,568 Building $78,994 | |
| 2025 | $3,389.00 | $216,239 Land $138,793 Building $77,446 |
| 2023 | $3,164.00 (+2.39%) | $207,844 Land $133,404 Building $74,440 |
| 2022 | $3,090.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 2433 Mountain Ave 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.
The area around 2433 Mountain Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 858 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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