10027 Mattock Ave, Downey, CA 90240 Property Records

Los Angeles County property record for 10027 Mattock Ave, Downey, CA 90240

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,127 sqft · built 1953
Lot Size	0.236 acres (10,285 sqft)
Owner	2 Company Names on Record
Last Sale	$515,000 (Jan 2010)
Tax Bill	$8,493 (2025)
Deeds & Mortgages	Nov 2017 Transfer
Flood Zone	Zone X (reduced by levee)
APN	`6391-015-015`

Property Details

APN / Parcel Number

Primary APN	`6391-015-015`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	2,127 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1954
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	10,285 sqft (0.236 acres)
Lot Dimensions	135 ft deep x 76 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	10027 MATTOCK AVE
City	DOWNEY
State	CA
Zip	90240-3528
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	DOR110000*
Legal Description	TRACT # 18006 LOT 34
Legal Subdivision	18006
Legal Tract	18006
Legal Block	2
Legal Lot Number	34
Jurisdiction	LOS ANGELES CA
Township / Civil Division	DOWNEY-NORWALK
Census Block Group	2
Census Block	2010
Census Tract	550502

Owner

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	10027 MATTOCK AVE, DOWNEY, CA 90240-3528
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 13, 2010 · Amount on Record
Deed Sale	Jan 13, 2010 · Amount on Record
Deed Document Number	201049140
Last Transfer Date	Nov 15, 2017
Transfer Doc	0001352473
Record Updated	Oct 29, 2026

November 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Nov 27, 2017
Property Address	10027 MATTOCK AVE, DOWNEY, CA 90240-3528
Document Number	0001352473
Instrument Date	Nov 15, 2017
Instrument	1352473
Transaction Type	Transfer
Record Updated	Dec 5, 2017

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	10027 MATTOCK AVE DOWNEY CA 902403528, DOWNEY, CA 90240-3528

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of August 25, 2026

Property Jurisdictions

Type	Name
State	California
County	Los Angeles County
Municipality	Downey City
Unified School District	Downey Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$678,053 (+2%) Land $416,313 Building $261,740
2025	$8,493.00 (+5.66%) Homeowner's exemption	$664,758 (+4.04%) Land $408,150 Building $256,608
2023	$8,038.00 (+5.26%) Homeowner's exemption	$638,947 Land $392,302 Building $246,645
2022	$7,636.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

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.

Wildfire

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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

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