Santa Clara County  »  390 Potrero Ave

390 Potrero Avenue, Sunnyvale, CA 94085 - Property report

Also known as: 390 Potrero Ave

Property image for 390 Potrero Avenue, Sunnyvale, CA 94085
static Mapbox map

Property type

Research & Development Branches of Manufacturing Firms (Includes Shell Buildings) (14)

Year built

1977

Acreage

1.29

Sale price

$7,100,000

General Information

Address
Primary address
390 Potrero Ave
Sunnyvale, CA 94085
Alternate address(es)
390 Portrero Ave
Zip code
94085
County
Santa Clara
Municipality
Sunnyvale
Parcel ID
165-30-009

Owner

Find out who owns 390 Potrero Avenue, Sunnyvale, CA 94085. Uncover corporate and individual owners with a free account.

Sales
Sale date
02/06/2026
Sale price
$7,100,000
Arm's length
Tax
Tax year
2025-2026
Property tax
$103,224
Building
Property type
Research & Development Branches of Manufacturing Firms (Includes Shell Buildings)
Building sq. ft.
20,000
Stories
1
Year built
1977
Lot
Acreage
1.29
Lot sq. ft.
56,364
Zoning & use
Zoning
Units
1

Area overview

Walk score
46 /100.  Car-Dependent
Transit score
41 /100.  Some Transit
Bike score
80 /100.  Very Bikeable
School district
09002
Ownership

Ownership information for 390 Potrero Avenue, Sunnyvale, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 390 Potrero Avenue, Sunnyvale, CA 94085

Sale date Sale price Buyer name Seller name
02/06/2026 $7,100,000 XX XXXXXXXX XXX XXX XXXXXXX XXXXX XXX

*Most recent sale on record for this property.

More about Santa Clara County property records.

Title documents

Date Type Amount Party 1 Party 2
03/05/2026 Agreement
Subordination Agreement		 XXXXXXXXXX XXX XXXXXXXXXX XXXXXX XXXXX
02/06/2026 Agreement
Assignment of Rents and Leases
Deed of Trust
Fixture Filing		 XX XXXXXXXX XXX XXXXXXXXXX XXXXXX XXXXX
02/06/2026 Grant Deed XXX XXXXXXX XXXXX XXX XX XXXXXXXX XXX
12/15/2000 Deed XXXXX XXXX XXXXXXXXX XX XXX XXXXXXX XX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 390 Potrero Avenue, Sunnyvale, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Property tax
$103,224
Recent tax assessments
Market value
$8,800,000
Land value
$4,500,000
Building value
$4,300,000

More about Santa Clara County Property Taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $8,800,000 1.173 $103,224 -8.64%
2024-2025 $9,800,000 1.1529 $112,984 -18.85%
2023-2024 $11,948,815 1.1652 $139,228 +1.66%
2022-2023 $11,714,525 1.1691 $136,955 +1.13%
2021-2022 $11,484,829 1.1792 $135,429 +1.10%
2020-2021 $11,367,067 1.1785 $133,961 +2.34%
2019-2020 $11,144,184 1.1746 $130,900 +2.05%
2018-2019 $10,925,671 1.174 $128,267 +1.31%
2017-2018 $10,711,443 1.182 $126,605 +66.38%
2016-2017 $6,562,575 1.1595 $76,093 +0.30%
Permits

Permit information for 390 Potrero Avenue, Sunnyvale, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
03/10/2025

*Most recent permit on record for this property.

Neighborhood

Demographics by ZIP code

Total population
24,024
Median age
33
Average household income
$259,833
Family households
55.3%
People per household (average)
2.47
Occupied housing units
9,631
Owner-occupied units
38.0%
Median year structure built
1988
Median value mortgaged units
$1,590,900
Median value unmortgaged units
$1,164,500

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
X
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 390 Potrero Avenue, Sunnyvale, CA 94085 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Neighbors for 390 Potrero Avenue, Sunnyvale, CA

490 W California Ave, Sunnyvale 362 Macara Ave, Sunnyvale 479 N Pastoria Ave, Sunnyvale 380 N Pastoria Ave, Sunnyvale 640 W California Ave, Sunnyvale 280 N Pastoria Ave, Sunnyvale 367 Macara Ave, Sunnyvale 1055 Escalon CT, Sunnyvale 355 N Pastoria Ave, Sunnyvale 447 Indio Way, Sunnyvale 415 N Mary Ave, Sunnyvale 861 Shirley Ave, Sunnyvale 855 Shirley Ave, Sunnyvale 477 Potrero Ave, Sunnyvale 285 Sobrante Way, Sunnyvale 430 Indio Way, Sunnyvale 223 N Mathilda Ave, Sunnyvale 345 Potrero Ave, Sunnyvale 415 Macara Ave, Sunnyvale 910 Hermosa CT, Sunnyvale

Nearby ZIP codes for 390 Potrero Avenue, Sunnyvale, CA

94024, Santa Clara County, CA 94041, Santa Clara County, CA 94043, Santa Clara County, CA 95002, Santa Clara County, CA 95014, Santa Clara County, CA 95117, Santa Clara County, CA 95128, Santa Clara County, CA 95129, Santa Clara County, CA 95130, Santa Clara County, CA 95131, Santa Clara County, CA

Frequently asked questions

What is the year built for 390 Potrero Avenue, Sunnyvale, CA 94085?

The development at 390 Potrero Avenue, Sunnyvale, CA 94085 was built in 1977.

What is the market value of 390 Potrero Avenue, Sunnyvale, CA 94085?

The current market value of 390 Potrero Avenue, Sunnyvale, CA 94085 is $8,800,000.

What is the total square footage of 390 Potrero Avenue, Sunnyvale, CA 94085?

390 Potrero Avenue, Sunnyvale, CA 94085 has a total of 20,000 square feet.

What is the price per square foot for this property?

$355 per square foot is the price for 390 Potrero Avenue, Sunnyvale, CA 94085.

How many commercial spaces does this building have?

The number of commercial spaces in this building is 1.

Disclaimer

Copyright 2003-2026 by PropertyShark.com

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

Sign up for a free account