Los Angeles County property record for 10243 Mattock Ave, Downey, CA 90241
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,595 sqft · built 1953 |
| Lot Size | 0.174 acres (7,577 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $255,000 (Jun 2000) |
| Tax Bill | $5,132 (2025) |
| Deeds & Mortgages | Aug 2018 Line of Credit |
| Flood Zone | Zone X (reduced by levee) |
| APN | 6287-001-007 |
| Primary APN | 6287-001-007 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,595 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1954 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 7,577 sqft (0.174 acres) |
| Lot Dimensions | 115 ft deep x 66 ft wide |
| Heating System | Central |
|---|---|
| Water Source | Commercial |
| Street Address | 10243 MATTOCK AVE |
|---|---|
| City | DOWNEY |
| State | CA |
| Zip | 90241-3002 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | DOR17500* |
| Legal Description | TRACT # 17563 LOT 118 |
| Legal Subdivision | 17563 |
| Legal Tract | 17563 |
| Legal Block | 2 |
| Legal Lot Number | 118 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | DOWNEY-NORWALK |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 551001 |
Source: Los Angeles County records, as of August 25, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 10243 MATTOCK AVE, DOWNEY, CA 90241-3002 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 8, 2000 · Amount on Record |
| Deed Sale | Jun 8, 2000 · Amount on Record |
| Deed Document Number | 2000882297 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 10243 MATTOCK AVE, DOWNEY, CA 90241-3002 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | CHICAGO TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000809965 |
|---|---|
| Date | Aug 10, 2018 |
| Instrument | 18-0809965 |
| Name | MUFG UNION BANK NA |
|---|---|
| Type | Bank |
| Address | SAN DIEGO, CA 92121 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Aug 28, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | $399,740 (+2%) Land $247,216 Building $152,524 | |
| 2025 | $5,132.00 (+5.12%) Homeowner's exemption | $391,903 (+4.04%) Land $242,369 Building $149,534 |
| 2023 | $4,882.00 (+5.17%) Homeowner's exemption | $376,686 Land $232,958 Building $143,728 |
| 2022 | $4,642.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective September 30, 2026
| FEMA Flood Zone | Zone X reduced by levee · depends on levee performance |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
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 486 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 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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