21803 Martin St, Carson, CA 90745 Property Records

Los Angeles County property record for 21803 Martin St, Carson, CA 90745

Property Summary

Property Type	Duplex
Details	5 bd · 3 ba · 1,585 sqft · built 1958
Lot Size	0.203 acres (8,853 sqft)
Owner	2 Individual Names on Record
Tax Bill	$3,783 (2025)
Deeds & Mortgages	Jul 2021 Mortgage Aug 2020 Mortgage + 2 more
Flood Zone	Zone X (reduced by levee)
APN	`7328-012-017`

Property Details

APN / Parcel Number

Primary APN	`7328-012-017`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Units	2 Units
Building Area	1,585 sqft Living Area

Exterior

Year Built	Built 1958
Effective Year Built	Effective 1958
Architectural Style	Duplex Single
Construction Type	Wood
Lot Area	8,853 sqft (0.203 acres)
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace

Location & Zoning

Street Address	21803 MARTIN ST
City	CARSON
State	CA
Zip	90745-2426
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	CARS*
Legal Description	TR=4546S 60 FT OF N 150 FT OF E 145 FT (EX OF ST) OF LOT 57
Legal Subdivision	4546
Legal Tract	4546
Legal Block	3
Legal Lot Number	57
Jurisdiction	LOS ANGELES CA
Township / Civil Division	COMPTON
Census Block Group	3
Census Block	3006
Census Tract	543306

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 Individual Names on Record
Mailing Address	21803 MARTIN ST, CARSON, CA 90745-2426
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jul 30, 2021	Deed of Trust, Mortgage · Commercial Mortgage CALCOM FCU
Aug 19, 2020	Intrafamily Transfer, Transfer · FHA Mortgage ALAMEDA MORTGAGE CORP
Sep 24, 2018	Affidavit of Death, Transfer PROVIDENT TITLE
Sep 24, 2018	Quit Claim Deed, Transfer · FHA Mortgage THELENDER

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 19, 2020
Deed Sale	Aug 19, 2020
Deed Document Number	2020966604
Prior Transfer Date	Aug 11, 2020
Prior Transfer Doc	0000966604
Record Updated	Oct 29, 2026

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21803 MARTIN ST, CARSON, CA 90745-2426
Transaction Type	Mortgage
Record Updated	Aug 10, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21803 MARTIN ST, CARSON, CA 90745-2426

Mortgage

Document Number	0001176445
Date	Jul 30, 2021
Instrument	21-1176445

Lender

Name	CALCOM FCU
Type	Credit Union
Address	LONG BEACH, CA 90808

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 28, 2051

August 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Aug 19, 2020
Property Address	21803 MARTIN ST, CARSON, CA 90745-2426
Document Number	0000966604
Map Reference	MB 50 PG 21&22
Instrument Date	Aug 11, 2020
Instrument	20-0966604
Transaction Type	Transfer
Record Updated	Sep 22, 2021
Title Company	LAWYERS TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	21803 MARTIN ST, CARSON, CA 90745-2426

Mortgage

Document Number	0000966605
Date	Aug 19, 2020
Instrument	20-0966605

Lender

Name	ALAMEDA MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2050

September 2018: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	LOS ANGELES CA
Recording Date	Sep 24, 2018
Property Address	21803 MARTIN ST, CARSON, CA 90745-2426
Document Number	0000973852
Instrument Date	Sep 21, 2018
Instrument	973852
Transaction Type	Transfer
Record Updated	Oct 2, 2018
Title Company	PROVIDENT TITLE

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21803 MARTIN ST CARSON CA 907452426, CARSON, CA 90745-2426

September 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Sep 24, 2018
Property Address	21803 MARTIN ST, CARSON, CA 90745-2426
Document Number	0000973853
Instrument Date	Sep 14, 2018
Instrument	973853
Transaction Type	Transfer
Record Updated	Oct 8, 2018
Title Company	PROVIDENT TITLE

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	Joint Tenants with Right of Survivorship
Address	21803 MARTIN ST CARSON CA 907452426, CARSON, CA 90745-2426

Mortgage

Document Number	973854
Date	Sep 24, 2018
Instrument	973854

Lender

Name	THELENDER
Address	FARMERS BRANCH, TX 75234

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 23, 2048

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	Carson City
Unified School District	Los Angeles Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$177,567 (+2%) Land $76,281 Building $101,286
2025	$3,783.00 (+6.03%)	$174,086 (+4.04%) Land $74,786 Building $99,300
2024	$3,568.00 (+2.41%)
2023	$3,484.00 (+4.69%)	$167,328 Land $71,883 Building $95,445
2022	$3,328.00

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	2 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	CALIFORNIA WATER SERVICE CO. - DOMINGUEZ private · serves 149,490 people · EPA ID CA1910033
Water Source	Purchased surface water from METROPOLITAN WATER DIST. OF SO. CAL.
Last State Inspection	Oct 2024
Lead	2 ppb (2021–2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 522 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: GeoLinks, Verizon.

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