Los Angeles County property record for 20239 Observation Dr, Topanga, CA 90290
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 830 sqft · built 1932 |
| Lot Size | 0.355 acres (15,455 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $4,528 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 4447-032-020 |
| Primary APN | 4447-032-020 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 830 sqft Living Area |
| Year Built | Built 1932 |
|---|---|
| Effective Year Built | Effective 1945 |
| Construction Type | Wood |
| Lot Area | 15,455 sqft (0.355 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 20239 OBSERVATION DR |
|---|---|
| City | TOPANGA |
| State | CA |
| Zip | 90290 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR110 |
| Legal Description | TR=8859 1/2 VAC TRAIL ADJ ON NE AND NW OF LOT 1 AND NE 37.5O FT LOT 2 BLK 19 |
| Legal Subdivision | 8859 |
| Legal Tract | 8859 |
| Legal Block | 19 |
| Legal Lot Number | 1,2 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | AGOURA HILLS-MALIBU |
| Census Block Group | 1 |
| Census Block | 1091 |
| Census Tract | 800104 |
20239 Observation Dr is owned and occupied by an individual.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 20239 OBSERVATION DR, TOPANGA, CA 90290 |
| 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 | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 20239 Observation Dr was $4,528.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Unified School District | Los Angeles Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $348,659 (+2%) Land $295,849 Building $52,810 | |
| 2025 | $4,528.00 | $341,824 Land $290,049 Building $51,775 |
| 2023 | $4,257.00 (+112.64%) | $328,552 Land $278,787 Building $49,765 |
| 2022 | $2,002.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 20239 Observation Dr in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 2018.
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 |
| Flood Insurance Cost | Premium on File median of 28 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 28 in force |
| Nearby Flood Claims | 3 (2018–2023) |
| Claims Outside the SFHA | 2 of 3 |
| Most Recent Claim | Mar 2023 · Severe Storm And Flooding |
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.
Wildfire risk around 20239 Observation Dr is extreme, ranking above 95% of the US, with a 2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Extreme above 95% of the US · above 81% of California |
|---|---|
| Wildfire Likelihood | 2% annual chance |
| Exposure | Direct burnable vegetation |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
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 | LOS ANGELES CWWD 29 & 80-MALIBU serves 31,316 people · EPA ID CA1910204 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jul 2024 |
| Lead | 9 ppb (2024–2026) 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 164 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable | 1,000 / 1,000 |
4G LTE (outdoors only), no 5G reported
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