Santa Clara County  »  94043  »  E Middlefield Rd  »  500 E Middlefield Rd

500 East Middlefield Road, Mountain View, CA 94043 - Property report

Also known as: 401 Ellis St

Property image for 500 East Middlefield Road, Mountain View, CA 94043
static Mapbox map

Property type

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

Year built

1997

Acreage

5.93

Sale price

$138,768,000

General Information

Address
Primary address
500 E Middlefield Rd
Mountain View, CA 94043
Alternate address(es)
401 Ellis St
500 Ellis St
550 E Middlefield Rd
Zip code
94043
Neighborhood
Wagon Wheel
County
Santa Clara
Municipality
Mountain View
Parcel ID
160-58-016

Owner

Find out who owns 500 East Middlefield Road, Mountain View, CA 94043. Uncover corporate and individual owners with a free account.

Sales
Sale date
09/20/2013
Sale price
$138,768,000
Arm's length
Tax
Tax year
2025-2026
Property tax
$1,012,863
Building
Property type
Research & Development Branches of Manufacturing Firms (Includes Shell Buildings)
Building sq. ft.
136,377
Stories
4
Year built
1997
Lot
Acreage
5.93
Lot sq. ft.
258,746
Zoning & use
Zoning
Qualified opportunity zone
Units
1

Area overview

Walk score
40 /100.  Car-Dependent
Transit score
42 /100.  Some Transit
Bike score
85 /100.  Very Bikeable
School district
05000

Ownership information for 500 East Middlefield Road, Mountain View, CA

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

Sales history for 500 East Middlefield Road, Mountain View, CA 94043

Sale date Sale price Buyer name Seller name
09/20/2013 $138,768,000 XXXXXX XXX XXXX XXXX XXXXX X X X

*Most recent sale on record for this property.

More about Santa Clara County property records.

Title documents

Date Type Amount Party 1 Party 2
06/27/2025 Release XXXX XX XXXXXXXX XXXX XXXXXXXXXXX XXXXX XXXXXXXXXX X X XXX XXXXX XXXXXXXX XXXXXXXXXXX XXXXXXX
09/20/2013 Grant Deed XXXX XXXX XXXXX X X X XXXXXX XXX
09/20/2013 Finance Statement "Termination XXXX XXXX XXXXX X X X XXXXXXXX
09/20/2013 Rescind/Release/Replace Restri XXXXXXXXXXXX XXXX XXX XX XXX XXXXXXXX X X X
09/20/2013 Partial Reconveyance XXX XXXXXXXX X X X
08/17/2011 Finance Statement XXXX XXXX XXXXX XXX XXX XXXX XX XXX XX
08/17/2011 Assignment XXXX XXXXXXXXX XXXXX XXX XXX XXXX XX XXX XX
08/17/2011 Deed Trust/Assignment & Fixtur XXXXXX XXXX XXX XXX XXXXXXXXXXXX XXXX XXX XX
08/17/2011 Finance Statement XXXX XXXX XXXXX XXX XXXXXXXXXXXX XXXX XXX XX
08/17/2011 Assignment XXXX XXXXXXX XX XXX XXX XXXX XX XXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 500 East Middlefield Road, Mountain View, 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
$1,012,863
Recent tax assessments
Market value
$87,323,329
Land value
$25,375,373
Building value
$61,947,956

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 $87,323,329 1.1599 $1,012,863 +2.32%
2024-2025 $85,509,991 1.1576 $989,864 +1.04%
2023-2024 $83,833,325 1.1686 $979,676 +0.25%
2022-2023 $82,189,535 1.189 $977,234 +2.53%
2021-2022 $80,577,976 1.1829 $953,157 -0.15%
2020-2021 $79,751,749 1.1969 $954,549 +4.50%
2019-2020 $78,187,991 1.1683 $913,470 +1.19%
2018-2019 $76,654,894 1.1776 $902,688 +4.41%
2017-2018 $75,151,858 1.1505 $864,592 -11.21%
2016-2017 $84,913,844 1.1467 $973,707 +3.01%

Permit information for 500 East Middlefield Road, Mountain View, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
10/31/2019
10/22/2019
10/18/2019
07/08/2019
11/04/2015

*Most recent permits on record for this property.

Demographics by ZIP code

Total population
33,176
Median age
36.1
Average household income
$261,450
Family households
56.1%
People per household (average)
2.48
Occupied housing units
13,369
Owner-occupied units
45.3%
Median year structure built
1976
Median value mortgaged units
$1,688,100
Median value unmortgaged units
$1,554,200

Risk

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FEMA flood zones

FEMA flood zones
X
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map

Transportation

Daily traffic map

Access the detailed traffic volume map for 500 East Middlefield Road, Mountain View, CA 94043 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Frequently asked questions

What is the year built for 500 East Middlefield Road, Mountain View, CA 94043?

The development at 500 East Middlefield Road, Mountain View, CA 94043 was built in 1997.

What is the market value of 500 East Middlefield Road, Mountain View, CA 94043?

The current market value of 500 East Middlefield Road, Mountain View, CA 94043 is $87,323,329.

What is the total square footage of 500 East Middlefield Road, Mountain View, CA 94043?

500 East Middlefield Road, Mountain View, CA 94043 has a total of 136,377 square feet.

What is the price per square foot for this property?

$1,017 per square foot is the price for 500 East Middlefield Road, Mountain View, CA 94043.

How many commercial spaces does this building have?

The number of commercial spaces in this building is 1.

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