2021 Challenger Dr, Alameda, CA 94501 Property Records

Alameda County property record for 2021 Challenger Dr, Alameda, CA 94501

Property Summary

Property Type	R&D Facility, Laboratory
Details	2 ba · 18,712 sqft · built 1986
Lot Size	1.4 acres (61,142 sqft)
Owner	Company Name on File
Last Sale	$4,800,000 (Oct 2018)
Tax Bill	$86,458 (2025)
Deeds & Mortgages	Dec 2018 Loan Modification Oct 2018 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`74-1343-3`

Property Details

APN / Parcel Number

Primary APN	`74-1343-3`
Alternative APN	`074-1343-003-00`

Interior

Full Baths	2 Baths
Units	2 Units
Stories	1 Story
Building Area	18,712 sqft Total Area

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1987
Architectural Style	L-Shape
Construction Type	Masonry / Concrete Block
Fire Resistance	Masonry Walls, Wood Interior
Lot Area	61,142 sqft
Parking Spaces	62 Parking Spaces

Location & Zoning

Street Address	2021 CHALLENGER DR
City	ALAMEDA
State	CA
Zip	94501-1191
Property Category	Industrial
Property Type	Industrial > R&D Facility, Laboratory
Legal Description	LOT: 00004 BLK: PM: 0170 PAGE: 0072
Legal Subdivision	PARCEL MAP 4923
Legal Lot Number	2-4
Jurisdiction	ALAMEDA CA
Township / Civil Division	ALAMEDA
Census Block Group	2
Census Block	2005
Census Tract	427300

Owner

2021 Challenger Dr, an industrial property, is owned by a company that bought it in October 2018.

Source: Alameda County records, as of August 5, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Company Name on File
Mailing Address	355 NW GILMAN BLVD, 201, ISSAQUAH, WA 98027-2401
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Dec 26, 2018	Loan Modification, Mortgage PARLEX 7 FINCO LLC
Oct 9, 2018	Grant Deed, Transfer
Aug 23, 2017	Loan Modification, Mortgage PARLEX 7 FINCO LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 9, 2018 · Amount on File
Deed Sale	Oct 9, 2018 · Amount on File
Prior Sale	May 8, 2014
Deed Document Number	2018196134
Prior Transfer Date	Feb 14, 2006
Prior Transfer Doc	0000058117
Record Updated	Oct 29, 2026

December 2018: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	ALAMEDA CA
Recording Date	Dec 26, 2018
Property Address	2021 CHALLENGER DR, ALAMEDA, CA 94501-1191
Instrument Date	Dec 21, 2018
Instrument	243701
Transaction Type	Mortgage
Record Updated	Jan 17, 2019
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Tax	$0.00
Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	250 VESEY ST #15TH NEW YORK NY 102811052, 15TH, NEW YORK, NY 10281-1052

Mortgage

Document Number	0000243701
Date	Dec 26, 2018
Instrument	243701

Lender

Name	PARLEX 7 FINCO LLC
Address	345 PARK AVE, NEW YORK, NY 10154-0004

Agreement

Amount	Amount on Record

October 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Oct 9, 2018
Property Address	2021 CHALLENGER DR, ALAMEDA, CA 94501-1191
Document Number	0000196134
Instrument Date	Oct 5, 2018
Instrument	196134
Transaction Type	Transfer
Record Updated	Oct 25, 2018

Transaction

Amount	Amount on Record
Tax	$5,280.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	5015 BUSINESS PARK BLVD #3000 ANCHORAGE AK 995037177, 3000, ANCHORAGE, AK 99503-7177

August 2017: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	ALAMEDA CA
Recording Date	Aug 23, 2017
Property Address	2021 CHALLENGER DR, ALAMEDA, CA 94501-1191
Instrument Date	Aug 17, 2017
Instrument	185155
Transaction Type	Mortgage
Record Updated	Sep 20, 2017
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Tax	$0.00
Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	250 VESEY ST 15TH #BROOKFIEL NEW YORK NY 10281, NEW YORK, NY 10281

Mortgage

Document Number	0000185155
Date	Aug 23, 2017
Instrument	185155

Lender

Name	PARLEX 7 FINCO LLC
Address	345 PARK AVE, NEW YORK, NY 10154-0004

Agreement

Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 2021 Challenger Dr was $86,458.

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Municipality	Alameda City
Unified School District	Alameda City Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$5,461,488 (+2%) Land $2,048,058 Building $3,413,430
2025	$86,458.00	$5,354,400 Land $2,007,900 Building $3,346,500
2023	$81,689.00	$5,146,512 Land $1,929,942 Building $3,216,570

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

Flood

FEMA maps place 2021 Challenger Dr in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	6 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

The area around 2021 Challenger Dr has no burnable land within ember reach, so its wildfire risk is not rated.

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	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 145 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100

May also be available: GeoLinks, T-Mobile.

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