4590 Patrick Henry Dr, Santa Clara, CA 95054 Property Records

Santa Clara County property record for 4590 Patrick Henry Dr, Santa Clara, CA 95054

Property Summary

Property Type	R&D Facility, Laboratory
Details	42,826 sqft · built 1990
Lot Size	2.78 acres (121,532 sqft)
Owner	Company Name on Record
Last Sale	$16,675,000 (Feb 2020)
Tax Bill	$217,732 (2025)
Deeds & Mortgages	Feb 2020 Sale Oct 2019 Transfer + 1 more
Flood Zone	Zone X (reduced by levee)
APN	`104-04-123`

Property Details

APN / Parcel Number

Primary APN	`104-04-123`

Interior

Stories	1 Story
Building Area	42,826 sqft Total Area
1st Floor Area	42,826 sqft
Fire Sprinklers	Fire Sprinklers
Elevator	Elevator

Exterior

Year Built	Built 1990
Effective Year Built	Effective 1990
Architectural Style	L-Shape
Construction Type	Concrete
Fire Resistance	Masonry Walls, Wood Interior
Lot Area	121,532 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Water Source	Well

Location & Zoning

Street Address	4590 PATRICK HENRY DR
City	SANTA CLARA
State	CA
Zip	95054-1817
Property Category	Industrial
Property Type	Industrial > R&D Facility, Laboratory
Local Zoning Code	UV
Legal Description	LOT 16
Legal Lot Number	16
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	2
Census Block	2033
Census Tract	505010

Owner

Source: Santa Clara County records, as of July 27, 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	101 CALIFORNIA ST, 950, SAN FRANCISCO, CA 94111-5826
Owner Type	Company

Deeds, Mortgages & Sale History

Date	Document
Feb 6, 2020	Grant Deed, Transfer FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE
Oct 7, 2019	Quit Claim Deed, Transfer FIRST AMERICAN TITLE
Dec 17, 2018	Loan Modification, Mortgage · Line of Credit MUFG UNION BK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 6, 2020 · Amount on Record
Deed Sale	Feb 6, 2020 · Amount on Record
Prior Sale	Oct 4, 2010
Deed Document Number	202024398067
Record Updated	Oct 29, 2026

February 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Feb 6, 2020
Property Address	4590 PATRICK HENRY DR, SANTA CLARA, CA 95054-1817
Document Number	0024398067
Instrument Date	Feb 4, 2020
Instrument	24398067
Transaction Type	Transfer
Record Updated	Feb 28, 2020
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE

Transaction

Amount	Amount Recorded
Tax	$18,343.00
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	101 CALIFORNIA ST #950 SAN FRANCISCO CA 941115826, 950, SAN FRANCISCO, CA 94111-5826

October 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Oct 7, 2019
Property Address	4590 PATRICK HENRY DR, SANTA CLARA, CA 95054-1817
Document Number	0024298990
Instrument Date	Oct 2, 2019
Instrument	24298990
Transaction Type	Transfer
Record Updated	Oct 17, 2019
Title Company	FIRST AMERICAN TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	599 CASTRO ST #4TH MOUNTAIN VIEW CA 940413007, 4TH, MOUNTAIN VIEW, CA 94041-3007

December 2018: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	SANTA CLARA CA
Recording Date	Dec 17, 2018
Property Address	4590 PATRICK HENRY DR, SANTA CLARA, CA 95054-1817
Instrument Date	Dec 7, 2018
Instrument	24082907
Transaction Type	Mortgage
Record Updated	Jan 3, 2019
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	4590 PATRICK HENRY DR SANTA CLARA CA 950541817, SANTA CLARA, CA 95054-1817

Mortgage

Document Number	0024082907
Date	Dec 17, 2018
Instrument	24082907

Lender

Name	MUFG UNION BK NA
Type	Bank
Address	3151 E IMPERIAL HWY # 1ST, BREA, CA 92821-6720

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Santa Clara County assessment roll, as of July 27, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$18,601,275 (+2%) Land $12,828,467 Building $5,772,808
2025	$217,732.00 (+3.86%)	$18,236,545 (+4.04%) Land $12,576,929 Building $5,659,616
2024	$209,647.00 (+1.02%)
2023	$207,532.00 (+1.7%)	$17,528,400 Land $12,088,552 Building $5,439,848
2022	$204,059.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective January 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X reduced by levee · depends on levee performance
Nearest Special Flood Hazard Area	Zone AH, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	9 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	CITY OF SANTA CLARA serves 134,587 people · EPA ID CA4310012
Water Source	Purchased surface water from several systems
Last State Inspection	Sep 2025
Lead	3 ppb (2023–2025) 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 348 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
Sail Internet Fixed Wireless	1,000 / 200
Etheric Networks Fixed Wireless	250 / 100
Tekify Fiber & Wireless Fixed Wireless	122 / 27
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

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