Santa Clara County  »  94041  »  Castro St  »  492 Castro St

Mountain Bay Plaza - 492 Castro Street, Mountain View, CA 94041 - Property report

Also known as: 444 Castro St

Property image for Mountain Bay Plaza - 492 Castro Street, Mountain View, CA 94041
static Mapbox map

Property type

Offices, High-Rise Office Buildings, Banks and Clinics (Category Also Includes Parking for Existing Office Buildings) (59)

Year built

1973

Acreage

1.58

General Information

Address
Primary address
492 Castro St
Mountain View, CA 94041
Alternate address(es)
444 Castro St
Zip code
94041
Neighborhood
Old Mountain View
County
Santa Clara
Municipality
Mountain View
Parcel ID
158-11-058

Owner

Find out who owns Mountain Bay Plaza - 492 Castro Street, Mountain View, CA 94041. Uncover corporate and individual owners with a free account.

Tax
Tax year
2026-2027
Property tax
$1,008,499
Building
Property type
Offices, High-Rise Office Buildings, Banks and Clinics (Category Also Includes Parking for Existing Office Buildings)
Building sq. ft.
176,296
Stories
12
Year built
1973
Lot
Acreage
1.58
Lot sq. ft.
68,691
Zoning & use
Zoning

Area overview

Walk score
96 /100.  Walker's Paradise
Transit score
57 /100.  Good Transit
Bike score
93 /100.  Biker's Paradise
School district
05096
Ownership

Ownership information for Mountain Bay Plaza - 492 Castro Street, Mountain View, CA

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

Sales history for Mountain Bay Plaza - 492 Castro Street, Mountain View, CA 94041

No recently recorded sales for this property.

More about Santa Clara County property records.

Title documents

Date Type Amount Party 1 Party 2
12/05/2023 Assignment of Rents and Leases XXX XXXXXXXX XXX XXXXX XXX XXXX XXXXXXX XXXX XXXXXXXXX XXXXXXX X X X
12/05/2023 Agreement
Assignment of Rents and Leases
Deed of Trust		 XXX XXXXXXXX XXX XXXXX XXX XXXX XXXXXXX XXXX XXXXXXXXX XXXXXXX X X X
12/05/2023 Reconveyance
Substitution Trustee		 XXXX XXXXXXX XXXX XXXXXXXXX XXXXXXX X X X XXX XXXXXXXX XXX XXXXX XXX
09/18/2018 Ucc - Financing Statement - Continuation XXX XXXXXXXX XXX XXXXX XXX XXXX XXXXXXX XXXX XXXXXXXXX XXXXXXX X X X
05/08/2017 Agreement
Amendment/Modification Deed of Trust
Assignment		 XXX-XXXXXXXX XXX XXXXX XXX XXXX XXXXXXX XXXX XXXXXXXXX XXXXXXX X X X
05/05/2016 Notice Non Responsibility XXX-XXXXXXXX XXX XXXXX XXX
12/11/2013 Finance Statement XXX XXXXXXXX XXX XXXXX XXX XXXX XXXXXXX XX XXX XX X X X
12/11/2013 Assignment XXX XXXXXXXX XXX XXXXX XXX XXXX XXXXXXX XX XXX XX X X X
12/11/2013 Deed Trust/Assignment & Fixtur XXX XXXXXXXX XXX XXXXX XXX XXXX XXXXXXX XX XXX XX X X X
08/25/2010 Continuation Finance Statement XXX XXXXXXXX XXX XXXXX XXX XXXX XX XXXXXXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for Mountain Bay Plaza - 492 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
2026-2027
Property tax
$1,008,499
Recent tax assessments
Market value
$86,947,091
Land value
$12,684,661
Building value
$74,262,430

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 $85,242,247 1.1599 $988,725 +2.20%
2024-2025 $83,570,831 1.1576 $967,416 +1.04%
2023-2024 $81,932,189 1.1686 $957,460 +0.25%
2022-2023 $80,325,676 1.189 $955,072 +5.88%
2021-2022 $76,255,982 1.1829 $902,032 -0.15%
2020-2021 $75,474,072 1.1969 $903,349 +4.50%
2019-2020 $73,994,189 1.1683 $864,474 +1.19%
2018-2019 $72,543,324 1.1776 $854,270 +4.41%
2017-2018 $71,120,907 1.1505 $818,218 +2.33%
2016-2017 $69,726,380 1.1467 $799,552 +3.01%
Permits

Permit information for Mountain Bay Plaza - 492 Castro Street, Mountain View, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
03/17/2026
02/12/2026
01/06/2026
12/19/2025
09/29/2025

*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 Mountain Bay Plaza - 492 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 Mountain Bay Plaza - 492 Castro Street, Mountain View, CA

725 Cottage CT, Mountain View 109 Laurel Way, Mountain View 709 Astor CT, Mountain View 734 Cottage CT, Mountain View 743 Cottage CT, Mountain View 727 Cottage CT, Mountain View 726 Cottage CT, Mountain View 702 Astor CT, Mountain View 736 Cottage CT, Mountain View 748 Cottage CT, Mountain View 705 Astor CT, Mountain View 713 Astor CT, Mountain View 742 Cottage CT, Mountain View 732 Cottage CT, Mountain View 510 Rathmore Ln, Mountain View 723 Cottage CT, Mountain View 113 Laurel Way, Mountain View 720 Cottage CT, Mountain View 738 Cottage CT, Mountain View 301 E Evelyn Ave, Mountain View

Nearby ZIP codes for Mountain Bay Plaza - 492 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 Mountain Bay Plaza - 492 Castro Street, Mountain View, CA 94041?

The development at Mountain Bay Plaza - 492 Castro Street, Mountain View, CA 94041 was built in 1973.

What is the market value of Mountain Bay Plaza - 492 Castro Street, Mountain View, CA 94041?

The current market value of Mountain Bay Plaza - 492 Castro Street, Mountain View, CA 94041 is $85,242,247.

What is the total square footage of Mountain Bay Plaza - 492 Castro Street, Mountain View, CA 94041?

Mountain Bay Plaza - 492 Castro Street, Mountain View, CA 94041 has a total of 176,296 square feet.

How many active listings does Mountain Bay Plaza - 492 Castro Street, Mountain View, CA 94041 have?

This address has 1 active listing(s).

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