Los Angeles County property record for 9439 Gierson Ave, Chatsworth, CA 91311
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4 ba · 4,872 sqft · built 1991 |
| Lot Size | 0.403 acres (17,534 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $875,000 (Mar 2008) |
| Tax Bill | $14,525 (2025) |
| Deeds & Mortgages | May 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 2727-020-021 |
| Primary APN | 2727-020-021 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 4,872 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 1991 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Tile |
| Lot Area | 17,534 sqft (0.403 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 9439 GIERSON AVE |
|---|---|
| City | CHATSWORTH |
| State | CA |
| Zip | 91311-4705 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LARA |
| Legal Description | P M 214-29-30 LOT B |
| Legal Subdivision | CHATSWORTH PARK |
| Legal Block | 2 |
| Legal Lot Number | B |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | SAN FERNANDO VALLEY |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 113237 |
9439 Gierson Ave is owned and occupied by two individuals who bought it in March 2008.
Source: Los Angeles County records, as of October 19, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 9439 GIERSON AVE, CHATSWORTH, CA 91311-4705 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | Mar 10, 2008 · Amount on File |
| Deed Sale | Mar 10, 2008 · Amount on File |
| Prior Sale | Aug 7, 2007 · Amount on File |
| Deed Document Number | 2008404503 |
| Prior Transfer Date | Aug 1, 2007 |
| Prior Transfer Doc | 0001856855 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 9439 GIERSON AVE, CHATSWORTH, CA 91311-4705 |
| Transaction Type | Mortgage |
| Record Updated | Jun 3, 2021 |
| Name | Verified Name |
|---|---|
| Address | 12653 OSBORNE ST 25, 25, PACOIMA, CA 91331-2158 |
| Document Number | 0000829557 |
|---|---|
| Date | May 24, 2021 |
| Instrument | 21-0829557 |
| Name | ZIAD OMARY |
|---|---|
| Type | Private Party |
| Address | 12653 OSBORNE ST STE 25, PACOIMA, CA 91331 |
| Amount | Amount on Record |
|---|
The 2025 property tax bill for 9439 Gierson Ave was $14,525, up 1% from the year before.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Los Angeles City |
| Unified School District | Los Angeles Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,172,298 (+2%) Land $644,431 Building $527,867 | |
| 2025 | $14,525.00 (+1.01%) | $1,149,313 Land $631,796 Building $517,517 |
| 2024 | $14,380.00 (+1.91%) | |
| 2023 | $14,111.00 (+4.72%) | $1,104,685 Land $607,263 Building $497,422 |
| 2022 | $13,475.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 9439 Gierson Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 3 (1992–1998) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
| Claims by Event |
|
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 9439 Gierson Ave is moderate, ranking above 57% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 57% of the US · lower than 66% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Direct burnable vegetation |
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-CITY, DEPT. OF WATER & POWER serves 3,875,566 people · EPA ID CA1910067 |
|---|---|
| Water Source | Surface water |
| Lead | 4 ppb (2021–2023) action level 15 ppb |
| Water Quality | Treatment failure resolved · Jan 2018 |
|---|---|
| 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 273 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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