Los Angeles County property record for 9825 Mattock Ave, Downey, CA 90240
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,643 sqft · built 1953 |
| Lot Size | 0.26 acres (11,327 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $529,000 (Aug 2012) |
| Tax Bill | $8,275 (2025) |
| Flood Zone | Zone X (reduced by levee) |
| APN | 6391-009-006 |
| Primary APN | 6391-009-006 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,643 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1954 |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 11,327 sqft (0.26 acres) |
| Lot Dimensions | 110 ft deep x 100 ft wide |
| Heating System | Central |
|---|
| Street Address | 9825 MATTOCK AVE |
|---|---|
| City | DOWNEY |
| State | CA |
| Zip | 90240-3524 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | DOR110 |
| Legal Description | TRACT # 18655 LOT 6 |
| Legal Subdivision | 18655 |
| Legal Tract | 18655 |
| Legal Block | 2 |
| Legal Lot Number | 6 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | DOWNEY-NORWALK |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 550502 |
9825 Mattock Ave is owner-occupied and held in a trust since January 2016.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 9825 MATTOCK AVE, DOWNEY, CA 90240-3524 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Personal Trust |
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 | Aug 21, 2012 · Amount on File |
| Deed Sale | Aug 21, 2012 · Amount on File |
| Deed Document Number | 20121247568 |
| Last Transfer Date | Jan 29, 2016 |
| Transfer Doc | 0000118656 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 9825 Mattock Ave was $8,275 with a homeowner's exemption.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Downey City |
| Unified School District | Downey Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $664,442 (+2%) Land $395,651 Building $268,791 | |
| 2025 | $8,275.00 Homeowner's exemption | $651,415 Land $387,894 Building $263,521 |
| 2023 | $7,867.00 (+5.27%) Homeowner's exemption | $626,122 Land $372,833 Building $253,289 |
| 2022 | $7,473.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 9825 Mattock Ave in Zone X, where a levee reduces flood risk.
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 reduced by levee · depends on levee performance |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 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.
The area around 9825 Mattock 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 | DOWNEY - CITY, WATER DEPT. serves 110,556 people · EPA ID CA1910034 |
|---|---|
| Water Source | Groundwater |
| Lead | Under 1 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Coliform assessment Feb 2018 |
| 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 680 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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