Santa Clara County  »  94041  »  Castro St  »  525 Castro St

525 Castro Street, Mountain View, CA 94041 - Property report

Also known as: 525 Castro St

Property image for 525 Castro Street, Mountain View, CA 94041
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Property type

Major Hospitals, Other Hospital Owned Buildings (I.E. Medical Office Buildings, Clinics, Surgery or Therapy Centers, Residential Facilities, Nursing Schools and Dormitories) (73)

Year built

1986

Acreage

1.81

General Information

Address
Primary address
525 Castro St
Mountain View, CA 94041
Alternate address(es)
529 Castro St
535 Castro St
537 Castro St
Show all
Zip code
94041
Neighborhood
Old Mountain View
County
Santa Clara
Municipality
Mountain View
Parcel ID
158-24-062

Owner

Find out who owns 525 Castro Street, Mountain View, CA 94041. Uncover corporate and individual owners with a free account.

Tax
Tax year
2025-2026
Property tax
$240,064
Building
Property type
Major Hospitals, Other Hospital Owned Buildings (I.E. Medical Office Buildings, Clinics, Surgery or Therapy Centers, Residential Facilities, Nursing Schools and Dormitories)
Building sq. ft.
41,952
Stories
3
Year built
1986
Lot
Acreage
1.81
Lot sq. ft.
78,843
Zoning & use
Zoning
Qualified opportunity zone
Units
1

Area overview

Walk score
95 /100.  Walker's Paradise
Transit score
57 /100.  Good Transit
Bike score
95 /100.  Biker's Paradise
School district
05000
Ownership

Ownership information for 525 Castro Street, Mountain View, CA

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

Sales history for 525 Castro Street, Mountain View, CA 94041

No recently recorded sales for this property.

More about Santa Clara County property records.

Title documents

No recently recorded documents for this property.

Tax

Property taxes for 525 Castro Street, 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
$240,064
Recent tax assessments
Market value
$20,696,937
Land value
$6,875,969
Building value
$13,820,968

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 $20,696,937 1.1599 $240,064 +2.13%
2024-2025 $20,304,858 1.1576 $235,049 +0.76%
2023-2024 $19,962,874 1.1686 $233,286 +0.46%
2022-2023 $19,530,570 1.189 $232,218 +0.52%
2021-2022 $19,529,614 1.1829 $231,016 -1.34%
2020-2021 $19,562,832 1.1969 $234,148 +4.93%
2019-2020 $19,099,384 1.1683 $223,138 +0.75%
2018-2019 $18,807,424 1.1776 $221,476 +3.77%
2017-2018 $18,552,461 1.1505 $213,439 +0.94%
2016-2017 $18,439,624 1.1467 $211,447 +2.47%
Permits

Permit information for 525 Castro Street, Mountain View, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
12/23/2025
11/24/2025
08/12/2025
07/03/2025
03/27/2025

*Most recent permits on record for this property.

Neighborhood

Demographics by ZIP code

Total population
16,050
Median age
34.1
Average household income
$242,642
Family households
52.6%
People per household (average)
2.3
Occupied housing units
6,960
Owner-occupied units
28.1%
Median year structure built
1974
Median value mortgaged units
$2,000,001
Median value unmortgaged units
$1,902,800

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 525 Castro Street, Mountain View, CA 94041 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Neighbors for 525 Castro Street, Mountain View, CA

555 Bush St, Mountain View 542 Anza St, Mountain View 539 Hope St, Mountain View 257 View St, Mountain View 534 Anza St, Mountain View 543 Bush St, Mountain View 528 Anza St, Mountain View 509 Hope St, Mountain View 519 Hope St, Mountain View 514 Bush St, Mountain View 241 Castro St, Mountain View 407 Mercy St, Mountain View 536 Anza St, Mountain View 543 Hope St, Mountain View 545 W Dana St, Mountain View 692 Church St, Mountain View 678 Church St, Mountain View 531 Hope St, Mountain View 551 Hope St, Mountain View 581 Hope St, Mountain View

Nearby ZIP codes for 525 Castro Street, Mountain View, CA

94022, Santa Clara County, CA 94024, Santa Clara County, CA 94043, Santa Clara County, CA 94301, Santa Clara County, CA 94303, Santa Clara County, CA 94305, Santa Clara County, CA 95002, Santa Clara County, CA 95014, Santa Clara County, CA 95129, Santa Clara County, CA

Frequently asked questions

What is the year built for 525 Castro Street, Mountain View, CA 94041?

The development at 525 Castro Street, Mountain View, CA 94041 was built in 1986.

What is the total square footage of 525 Castro Street, Mountain View, CA 94041?

525 Castro Street, Mountain View, CA 94041 has a total of 41,952 square feet.

What is the assessed value of 525 Castro Street, Mountain View, CA 94041?

525 Castro Street, Mountain View, CA 94041 is currently assessed at $20,696,937.

What are the property taxes for 525 Castro Street, Mountain View, CA 94041?

The property taxes for 525 Castro Street, Mountain View, CA 94041 total $240,063.

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