Alameda County  »  94546  »  Castro Valley Blvd  »  3970 Castro Valley Blvd

3970 Castro Valley Boulevard, Castro Valley, CA 94546 - Property report

Also known as: 3970 Castro Valley Blvd

Property image for 3970 Castro Valley Boulevard, Castro Valley, CA 94546
static Mapbox map

Property type

Mobile Home Park Parcel with Improvements (9100)

Year built

1965

Acreage

2.4

Sale price

$4,750,000

General Information

Address
Primary address
3970 Castro Valley Blvd
Castro Valley, CA 94546
Alternate address(es)
3970 Castro Vlly Blvd
3970 Cstro Vlly Blvd
Zip code
94546
County
Alameda
Parcel ID
84C-661-6-6

Owner

Find out who owns 3970 Castro Valley Boulevard, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Sales
Sale date
02/15/2023
Sale price
$4,750,000
Arm's length
Tax
Tax year
2026-2027
Property tax
$58,674
Tax per sq. ft.
$48
Building
Property type
Mobile Home Park Parcel with Improvements
Building sq. ft.
1,228
Stories
1
Year built
1965
Building material
Wood/wood and steel frames
Last altered
1984
Rooms
1
Elevator
Lot
Acreage
2.4
Zoning & use
Zoning
Cv Central Business District Subarea 10 (S10)
Units
2

Area overview

Walk score
75 /100.  Very Walkable
Transit score
40 /100.  Some Transit
Bike score
44 /100.  Somewhat Bikeable
School district
CASTRO VLY UNIF SCH
Ownership

Ownership information for 3970 Castro Valley Boulevard, Castro Valley, CA

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

Sales history for 3970 Castro Valley Boulevard, Castro Valley, CA 94546

Sale date Sale price Buyer name Seller name
02/15/2023 $4,750,000 XXX XXXXXX XXX XXX XXXXXX XXX XXX
04/25/2017 $698,500 XXXXXX XXX XXX XXXXXX XXXXXXX X

*Most recent sales on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
02/15/2023 Assignment lease XXX XXXXXX XXX XXX XXXXX XXXXXXXX XXXX
02/15/2023 Deed of trust
Assignment of rents
Ucc fin stmt(1-2 pgs)		 XXX XXXXXX XXX XXX XXXXX XXXXXXXX XXXX
02/15/2023 Grant Deed XXXXXX XXX XXX XXX XXXXXX XXX XXX
04/28/2017 Easement XXXXXX XXXXXXX X XXXXXXX XXX & XXXXXXXX XX
04/25/2017 Assignment of Rents
Deed of Trust		 XXXXXX XXX XXX XXXXXX XXXXXXX X
04/25/2017 Grant Deed XXXXXX XXXXXXX X XXXXXX XXX XXX
04/25/2017 Quitclaim Deed XXXXXX XXXX X XXXXX XXXXXX XXXXXXX X
04/25/2017 Reconveyance
Substitution of Trustee		 XXXXXX XXXXXXX X XXXXXX XXXX X XXXXX
04/25/2017 Affidavit of Death XXXXXX XXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 3970 Castro Valley Boulevard, Castro Valley, 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
$58,674
Tax per sq. ft.
$48
Recent tax assessments
Market value
$5,040,700
Land value
$5,008,864
Building value
$31,836

More about Alameda 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 $4,941,900 1.164 $57,524 +0.69%
2024-2025 $4,845,000 1.1791 $57,127 +45.23%
2023-2024 $1,673,250 2.3508 $39,335 +101.36%
2022-2023 $1,640,444 1.1908 $19,534 +2.52%
2021-2022 $1,608,284 1.1848 $19,055 -41.05%
2020-2021 $2,761,863 1.1703 $32,322 -2.04%
2019-2020 $2,708,991 1.218 $32,996 -14.30%
2018-2019 $3,187,958 1.2077 $38,501 +385.50%
2017-2018 $660,788 1.2001 $7,930 +18.18%
2016-2017 $647,833 1.0358 $6,710 -4.87%
Permits

Permit information for 3970 Castro Valley Boulevard, Castro Valley, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
07/19/2017
07/19/2017

*Most recent permits on record for this property.

Neighborhood

Castro Valley residential market stats

Access a detailed real estate market overview of Castro Valley so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Castro Valley and compare it to other neighborhoods in Alameda.

Median sale price

$1,013,750

-2.9% Y-o-Y

Median price/sq. ft.

$619

-9.8% Y-o-Y

Alameda county median sale price

$955,000

-6.4% Y-o-Y

Check out recently sold homes in Castro Valley and see how their prices compare.

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 3970 Castro Valley Boulevard, Castro Valley, CA 94546 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Marshall Elementary School 9 Public K-5 491 0.32
Special Education-Preschool-Laurel NR Public 1 0.53
Northstar School NR Private PK-8 152 0.69
Northstar School NR Private PK-8 152 0.69
Early Bird Montessori School NR Private PK, K-1 30 0.70
Early Bird Montessori School NR Private PK, K-1 30 0.70
Vita Academy NR Private 1-6 0 0.71
Independent Elementary School 8 Public K-5 634 0.85
Castro Valley Elementary School 6 Public K-5 472 0.98
Vannoy Elementary School 7 Public K-5 441 0.99
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Creekside Middle School 8 Public 6-8 760 0.46
Special Education-Preschool-Laurel NR Public 1 0.53
Northstar School NR Private PK-8 152 0.69
Redwood Christian Schools NR Private K-12 706 1.04
Castro Valley Adult And Career Education NR Public 0 1.05
Alma Preschool NR Public 52 1.07
Canyon Middle School 6 Public 6-8 1,332 1.08
Our Lady Of Grace School NR Private K-8 218 1.11
Stellar Preparatory High School NR Private 9 0 1.21
Faith Ringgold School of Arts and Science 1 Public K-8 111 1.29
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Special Education-Preschool-Laurel NR Public 1 0.53
Redwood Christian Schools NR Private K-12 706 1.04
Castro Valley Adult And Career Education NR Public 0 1.05
Castro Valley High School 9 Public 9-12 2,799 1.06
Alma Preschool NR Public 52 1.07
Stellar Preparatory High School NR Private 9 0 1.21
Hayward High School 5 Public 9-12 1,712 1.56
Anchor Education, Inc. NR Private 3-12 18 1.57
Sterling West San Francisco Campus NR Private 3-11 27 1.58
Anchor Education, Inc. School NR Private 3-12 0 1.59

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 3970 Castro Valley Boulevard, Castro Valley, CA

4227 Omega Ave, Castro Valley 4291 Omega Ave, Castro Valley 4251 Omega Ave, Castro Valley 20443 Center St, Castro Valley 4331 Omega Ave, Castro Valley 4044 Meadowview Dr, Castro Valley 4028 Meadowview Dr, Castro Valley 4076 Meadowview Dr, Castro Valley 4092 Meadowview Dr, Castro Valley 4108 Meadowview Dr, Castro Valley 4283 Omega Ave, Castro Valley 4105 David St, Castro Valley 4020 Meadowview Dr, Castro Valley 4339 Omega Ave, Castro Valley 4004 Meadowview Dr, Castro Valley 20648 Woodside Way, Castro Valley 4075 Meadowview Dr, Castro Valley 4243 Omega Ave, Castro Valley 20420 Marshall St, Castro Valley 4083 Meadowview Dr, Castro Valley

Nearby ZIP codes for 3970 Castro Valley Boulevard, Castro Valley, CA

94541, Alameda County, CA 94542, Alameda County, CA 94544, Alameda County, CA 94545, Alameda County, CA 94552, Alameda County, CA 94577, Alameda County, CA 94578, Alameda County, CA 94579, Alameda County, CA 94580, Alameda County, CA 94601, Alameda County, CA 94603, Alameda County, CA 94605, Alameda County, CA 94613, Alameda County, CA 94619, Alameda County, CA 94621, Alameda County, CA

Frequently asked questions

What is the year built for 3970 Castro Valley Boulevard, Castro Valley, CA 94546?

The development at 3970 Castro Valley Boulevard, Castro Valley, CA 94546 was built in 1965.

What is the total square footage of 3970 Castro Valley Boulevard, Castro Valley, CA 94546?

3970 Castro Valley Boulevard, Castro Valley, CA 94546 has a total of 1,228 square feet.

When was 3970 Castro Valley Boulevard, Castro Valley, CA 94546 last sold and what was the sale price?

3970 Castro Valley Boulevard, Castro Valley, CA 94546 was last sold on 02/15/2023 for $4,750,000.

What is the assessed value of 3970 Castro Valley Boulevard, Castro Valley, CA 94546?

3970 Castro Valley Boulevard, Castro Valley, CA 94546 is currently assessed at $5,040,700.

What are the property taxes for 3970 Castro Valley Boulevard, Castro Valley, CA 94546?

The property taxes for 3970 Castro Valley Boulevard, Castro Valley, CA 94546 total $58,673.

How many residential units does this building have?

This building has 2 residential unit(s).

Disclaimer

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