Los Angeles County property record for 10231 Mattock Ave, Downey, CA 90241
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,896 sqft · built 1952 |
| Lot Size | 0.174 acres (7,598 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $785,000 (Jul 2006) |
| Tax Bill | $13,062 (2025) |
| Deeds & Mortgages | Mar 2026 Transfer Sep 2020 Mortgage + 2 more |
| Flood Zone | Zone X (reduced by levee) |
| APN | 6287-001-009 |
| Primary APN | 6287-001-009 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,896 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1966 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 7,598 sqft (0.174 acres) |
| Lot Dimensions | 115 ft deep x 66 ft wide |
| Pool Type | Spa / Hot Tub (No Pool) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 10231 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 120 |
| Legal Subdivision | 17563 |
| Legal Tract | 17563 |
| Legal Block | 2 |
| Legal Lot Number | 120 |
| 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 Company Names on Record |
|---|---|
| Mailing Address | 10231 MATTOCK AVE, DOWNEY, CA 90241-3002 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Date | Document |
|---|---|
| Mar 27, 2026 | Intrafamily Transfer, Transfer |
| Sep 23, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Sep 23, 2020 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Mar 9, 2018 | Deed of Trust, Mortgage · Conventional Mortgage NEWFI LNDG |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 7, 2006 · Amount on Record |
| Deed Sale | Jul 7, 2006 · Amount on Record |
| Prior Sale | Sep 2, 1997 · Amount on Record |
| Deed Document Number | 20061500199 |
| Prior Transfer Date | Feb 24, 1994 |
| Prior Transfer Doc | 0000473746 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Mar 27, 2026 |
| Property Address | 10231 MATTOCK AVE, DOWNEY, CA 90241-3002 |
| Document Number | 0000215934 |
| Map Reference | MB 438 PG 15&16 |
| Instrument Date | Mar 13, 2026 |
| Instrument | 26-0215934 |
| Transaction Type | Transfer |
| Record Updated | Apr 22, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Living Trust |
| Address | 10231 MATTOCK AVE, DOWNEY, CA 90241-3002 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Sep 23, 2020 |
| Property Address | 10231 MATTOCK AVE, DOWNEY, CA 90241-3002 |
| Document Number | 0001159791 |
| Map Reference | MB 438 PG 15&16 |
| Instrument Date | Sep 16, 2020 |
| Instrument | 20-1159791 |
| Transaction Type | Transfer |
| Record Updated | Sep 22, 2021 |
| Title Company | FIDELITY NATIONAL TITLE CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 10231 MATTOCK AVE, DOWNEY, CA 90241-3002 |
| Document Number | 0001159792 |
|---|---|
| Date | Sep 23, 2020 |
| Instrument | 20-1159792 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Oct 1, 2040 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Sep 23, 2020 |
| Property Address | 10231 MATTOCK AVE, DOWNEY, CA 90241-3002 |
| Document Number | 0001159793 |
| Instrument Date | Sep 16, 2020 |
| Instrument | 1159793 |
| Transaction Type | Transfer |
| Record Updated | Sep 30, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 10231 MATTOCK AVE DOWNEY CA 902413002, DOWNEY, CA 90241-3002 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 10231 MATTOCK AVE, DOWNEY, CA 90241-3002 |
| Document Number | 0000256852 |
| Instrument Date | Mar 9, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Mar 30, 2018 |
| Title Company | TITLE SERVICE AND LIAISON COMPANIES |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 10231 MATTOCK AVE DOWNEY CA 902413002, DOWNEY, CA 90241-3002 |
| Document Number | 0000256852 |
|---|---|
| Date | Mar 16, 2018 |
| Instrument | 256852 |
| Name | NEWFI LNDG |
|---|---|
| Address | EMERYVILLE, CA 94608 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Mar 15, 2048 |
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 | $1,072,755 (+2%) Land $858,211 Building $214,544 | |
| 2025 | $13,062.00 (+1.71%) Homeowner's exemption | $1,051,722 (+4.04%) Land $841,384 Building $210,338 |
| 2024 | $12,842.00 (+3.59%) | |
| 2023 | $12,397.00 (+10.96%) Homeowner's exemption | $1,010,884 Land $808,713 Building $202,171 |
| 2022 | $11,172.00 |
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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