10800 Paramount Blvd, Downey, CA 90241 Property Records

Los Angeles County property record for 10800 Paramount Blvd, Downey, CA 90241

Property Summary

Property Type	Medical Building
Details	35,187 sqft · built 1967
Lot Size	0.398 acres (17,350 sqft)
Owner	Company Name on Record
Tax Bill	$47,024 (2025)
Deeds & Mortgages	Jun 2026 Mortgage Jun 2021 Mortgage + 1 more
Flood Zone	Zone X (reduced by levee)
APN	`6251-037-017`

Property Details

APN / Parcel Number

Primary APN	`6251-037-017`

Interior

Stories	4 Stories
Building Area	35,187 sqft Total Area
Elevator	Elevator

Exterior

Year Built	Built 1967
Effective Year Built	Effective 1967
Exterior Material	Concrete Block
Construction Type	Concrete
Fire Resistance	Fireproof Reinforced Concrete
Roof Material	Concrete
Lot Area	17,350 sqft (0.398 acres)
Garage Area	4,623 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Street Address	10800 PARAMOUNT BLVD
City	DOWNEY
State	CA
Zip	90241-3331
Property Category	Commercial
Property Type	Commercial > Office > Medical Building
Local Zoning Code	DOCP*
Legal Description	TRACT NO 10119 EX OF ST LOT 1 AND NE 50 FT MEASURED AT R/A TO NE LINE OF LOT 2
Legal Subdivision	10119
Legal Tract	10119
Legal Block	1
Legal Lot Number	1,2
Jurisdiction	LOS ANGELES CA
Township / Civil Division	DOWNEY-NORWALK
Census Block Group	1
Census Block	1015
Census Tract	550901

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	Company Name on Record
Mailing Address	6420 WILSHIRE BLVD, 9, LOS ANGELES, CA 90048-5502
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Jun 2, 2026	Deed of Trust, Mortgage · Conventional Mortgage CATHAY BANK
Jun 4, 2021	Deed of Trust, Mortgage · Commercial Mortgage MUFG UNION BANK NA
May 8, 2017	Deed of Trust, Mortgage · Commercial Mortgage CATHAY BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 19, 2004
Deed Sale	Oct 19, 2004
Deed Document Number	20042685950
Record Updated	Oct 29, 2026

June 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Recording Date	Jun 2, 2026
Property Address	10800 PARAMOUNT BLVD, DOWNEY, CA 90241-3331
Document Number	0000402912
Instrument Date	May 22, 2026
Instrument	2026402912
Transaction Type	Mortgage
Record Updated	Jul 12, 2026
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Liability Partnership, 266

Mortgage

Document Number	0000402912,
Date	Jun 2, 2026
Instrument	2026402912

Lender

Name	CATHAY BANK

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

Interest

Rate	6.23%
Max Rate	-1%

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	10800 PARAMOUNT BLVD, DOWNEY, CA 90241-3331
Transaction Type	Mortgage
Record Updated	Jun 16, 2021
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	888 S FIGUEROA ST 1900, 1900, LOS ANGELES, CA 90017-5324

Mortgage

Document Number	0000887001
Date	Jun 4, 2021
Instrument	21-0887001

Lender

Name	MUFG UNION BANK NA
Type	Bank
Address	BREA, CA 92821

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	10800 PARAMOUNT BLVD, DOWNEY, CA 90241-3331
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000507093
Date	May 8, 2017
Instrument	17-0507093

Lender

Name	CATHAY BANK
Type	Bank
Address	EL MONTE, CA 91731

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

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		$3,022,724 (+2%) Land $619,894 Building $2,402,830
2025	$47,024.00 (+5.87%)	$2,963,456 (+4.04%) Land $607,740 Building $2,355,716
2023	$44,416.00 (+4.63%)	$2,848,384 Land $584,142 Building $2,264,242
2022	$42,452.00

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	1 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 710 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: GeoLinks, Starry, Verizon.

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