Alameda County  »  3970 Castro Valley Blvd

3970 Castro Valley Boulevard, Castro Valley, CA 94546 Property Information

3970 Castro Valley Boulevard, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

3970 Castro Valley Boulevard, Castro Valley, CA 94546
static Mapbox map

Address

Primary address 3970 Castro Valley Boulevard, Castro Valley
Zip code 94546
County Alameda
Parcel ID 84C-661-6-6

Sales & Tax Overview for 3970 Castro Valley Boulevard, Castro Valley

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 02/15/2023
Sale price $4,750,000
Arm's length
Property tax $57,524

Lot & Building Information for 3970 Castro Valley Boulevard, Castro Valley

Building sqft 1,324
Building class Mobile Home Park Parcel with Improvements (9100)
Acreage 2.4
Units 49
Stories 1
Construction type Wood/wood and steel frames
Elevator
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Castro Vly Unif SCH

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 3970 Castro Valley Boulevard, Castro Valley

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

  • • Improvements for 3970 Castro Valley Boulevard, Castro Valley , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
Unlock all property data with a free account.
Sign up

About 3970 Castro Valley Boulevard, Castro Valley

How many square feet does 3970 Castro Valley Boulevard, Castro Valley, CA 94546 have?

This Mobile Home Park Parcel with Improvements (9100) located at 3970 Castro Valley Boulevard, Castro Valley, CA 94546 has a total of 1,324 square feet.

What is the assessed value of 3970 Castro Valley Boulevard, Castro Valley, CA 94546 and the property tax paid?

Assessed at $4,941,900, the tax amount paid for 3970 Castro Valley Boulevard, Castro Valley, CA 94546 is $57,523.

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

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

How many residential units does this building have?

This building has 49 residential unit(s).

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

Real Estate Reports:
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
Laura Pop-Badiu, Apr 09, 2026 How to Do a Title Search on Property Yourself: A Step-by-Step Online GuideĀ 
A property title search is the process of reviewing public records to confirm who legally owns a property and whether there are any liens, mortgages or legal claims attached to it. Explore our step-by-step guide explaining how you can perform a title search yourself. 
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 3970 Castro Valley Boulevard, Castro Valley

Create a free account to view the complete sales history for 3970 Castro Valley Boulevard, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
02/15/2023 $4,750,000
04/25/2017 $698,500
       
       
       
Access the complete sales history for 3970 Castro Valley Boulevard, Castro Valley with a free account.
Sign up

Title Documents for 3970 Castro Valley Boulevard, Castro Valley

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
02/15/2023 Assignment lease
02/15/2023 Deed of trust
Assignment of rents
Ucc fin stmt(1-2 pgs)
02/15/2023 Grant Deed
04/28/2017 Easement
04/25/2017 Assignment of Rents
Deed of Trust
04/25/2017 Grant Deed
04/25/2017 Quitclaim Deed
04/25/2017 Reconveyance
Substitution of Trustee
04/25/2017 Affidavit of Death
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 3970 Castro Valley Boulevard, Castro Valley

Access detailed property tax data for 3970 Castro Valley Boulevard, Castro Valley, CA 94546. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $57,524
Market value $4,941,900

Assessment History for 3970 Castro Valley Boulevard, Castro Valley

Here's the assessment & property tax history for 3970 Castro Valley Boulevard, Castro Valley, including the evolution of the total tax rate and corresponding property tax.

Year Assessment value Total tax rate Property tax Year over year 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%

Permits for 3970 Castro Valley Boulevard, Castro Valley

The complete history of permits filed for 3970 Castro Valley Boulevard, Castro Valley, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Issued Permit Type Status
07/19/2017
07/19/2017
       
       
       
Unlock the permit history for 3970 Castro Valley Boulevard, Castro Valley with a free account.
Sign up

Castro Valley residential market stats

Median Sale Price
$989,000
-8.4% YoY
Median Price/Sqft
$669
3.4% YoY
Alameda County Median Sale Price
$965,000
-7.1% YoY

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 County.

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

Demographics by Zip Code

Total population 44,855
Median age 41.7
Average household income $161,274
Family households 74.3%
Occupied housing units 15,565
Owner occupied units 66.3%
Average number of people per household 2.84
Median year structure built 1960
Median value for units with a mortgage $1,065,100
Median value for units without a mortgage $995,000

Risk

Create a free account to unlock extended information for 3970 Castro Valley Boulevard, Castro Valley, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s) X (See more on map)
Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map

Transportation

Access the detailed traffic volume map for 3970 Castro Valley Boulevard, Castro Valley to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Neighbors for 3970 Castro Valley Boulevard, Castro Valley

Here are the neighbors for 3970 Castro Valley Boulevard, Castro Valley.

Address Square feet Purchase date Purchase price
4227 Omega Ave, Castro Valley 1,676 03/05/2025
4291 Omega Ave, Castro Valley 1,750 06/07/2016
4251 Omega Ave, Castro Valley 1,520 11/03/2006 $645,000
20443 Center St, Castro Valley 986 08/16/2013
4331 Omega Ave, Castro Valley 928 08/18/2015
4044 Meadowview Dr, Castro Valley 1,124 01/07/2002
4028 Meadowview Dr, Castro Valley 1,122 09/23/2025 $973,000
4076 Meadowview Dr, Castro Valley 1,124 10/26/2021
4092 Meadowview Dr, Castro Valley 1,441 05/19/2006 $615,000
4108 Meadowview Dr, Castro Valley 1,124 09/04/2015 $675,000
4283 Omega Ave, Castro Valley 928 10/15/2020 $770,000
4105 David St, Castro Valley 1,346 07/20/2016 $675,000
4020 Meadowview Dr, Castro Valley 1,480 01/08/2021 $1,025,000
4339 Omega Ave, Castro Valley 1,726 10/11/2023 $1,150,000
4004 Meadowview Dr, Castro Valley 1,094 08/09/2024 $1,100,000
20648 Woodside Way, Castro Valley 1,124 08/28/1990 $220,000
4075 Meadowview Dr, Castro Valley 1,124 07/31/2013 $510,000
4243 Omega Ave, Castro Valley 928 06/19/2015 $175,000
20420 Marshall St, Castro Valley 1,020 04/07/2000
4083 Meadowview Dr, Castro Valley 1,396 12/04/2001

Nearby ZIP Codes for 3970 Castro Valley Boulevard, Castro Valley

Not sure if we cover all the data-points you need? View sample full report View sample full report