Business Leads in Castro Valley
There are 3,528 businesses in Castro Valley as of May 20, 2026. Concentrated within a single metro area, this represents a high-density opportunity for hyper-local B2B campaigns and direct outreach to decision-makers.
Castro Valley accounts for approximately 0.1% of all 3,198,049 businesses in California, making it a focused local market with a well-defined prospect base ideal for precision outreach.
Around 49.6% of businesses in Castro Valley have email addresses, 87.5% have phone numbers, and 48.0% include both — with 61.5% also having a website.
These businesses are active on social media: 1,235 have Facebook pages, 783 are on Instagram, 751 have LinkedIn profiles, 755 use X (formerly Twitter), 498 maintain YouTube channels. This dataset is best suited for hyperlocal outreach in Castro Valley.
| 3528 Number of Businesses | |
| 1750 Email addresses | |
| 3087 Phone numbers | |
| 2170 With Websites | |
| 751 LinkedIn Profiles |
| 1235 Facebook Profiles | |
| 783 Instagram Handles | |
| 755 X Handles | |
| 498 YouTube Channels | |
| 1692 Phone and Email |
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Data updated on May 20, 2026
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Download sample business list in Castro Valley
Find new clients and close more deals with the world s best business leads provider. You can download email and phone number lists for your sales teams. Here is a random sample of 20 records for you to look at the fields and the data that we provide.
| NAME | Address | City | State | Country | Phone | Website | Review Count | Review Scores | Google URL | Youtube | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Loan Officer LaKeshia |
| Anderson | South Carolina | United States |
|
|
| 19 | 5 | - | - | - | ||
Book Culture Pittsford |
| Pittsford | New York | United States |
|
|
| 150 | 4.6 | - | ||||
Dr.DarwinS.Leek,D.C.Chiropractic + |
| Grass Valley | California | United States |
|
|
| 0 | 5 | - | - | - | ||
Cattlemans Livestock Exc. |
| Caldwell | West Virginia | United States |
|
| - | 2 | 4.5 | - | - | - | - | |
BYLT Basics - UTC |
| San Diego | California | United States |
|
|
| 11 | 4.4 | |||||
Trinidad Av NE & Simms Pl NE |
| Washington | District of Columbia | United States |
|
| - | 1 | 5 | - | - | - | - | |
Collins Dock Inc |
| Anderson | South Carolina | United States |
|
|
| 5 | 5 | - | - | - | ||
AeroCare |
| Anderson | South Carolina | United States |
|
|
| 469 | 4.9 | - | ||||
Collins Electric Inc |
| Wakefield | Massachusetts | United States |
|
|
| 1 | 5 | - | - | - | ||
Valerie Consonery, CRNA |
| Anderson | South Carolina | United States |
|
|
| 0 | 0 | |||||
Hardy Dianne K MD |
| Anderson | South Carolina | United States |
|
|
| 0 | 0 | |||||
U.S. Air Force & Space Force Recruiting |
| Anderson | South Carolina | United States |
|
|
| 35 | 4.7 | |||||
Korey R. Graettinger, NP |
| Anderson | South Carolina | United States |
|
|
| 1 | 5 | |||||
La Marquise Salon |
| Rochester | Michigan | United States |
|
|
| 92 | 4.8 | - | - | |||
Summerfield Place Apartments |
| Goodlettsville | Tennessee | United States |
|
|
| 60 | 3.8 | - | - | - | - | |
GISPacific, LLC |
| Kailua | Hawaii | United States |
|
|
| 0 | 0 | - | - | - | - | |
Nimrod Blank, MD |
| Dearborn | Michigan | United States |
|
|
| 0 | 0 | |||||
Hoosic River Canoe & Kayak Launch |
| Eagle Bridge | New York | United States |
|
|
| 1 | 5 | - | - | |||
Palmetto Handyman PROs |
| Anderson | South Carolina | United States |
|
|
| 13 | 5 | |||||
Matthew A Perkins Attorney At Law |
| Anderson | South Carolina | United States |
|
|
| 17 | 4.9 | - | - | - |
Address
Email
Phone
Website
How many businesses are there in the Castro Valley?
businesses in the Castro Valley
Last updated: May 20, 2026
In Castro Valley, approximately 49.6% of businesses have email contacts, while 87.5% have phone numbers, providing the contact depth needed for sustained local B2B campaigns.
Data last updated May 20, 2026
87.5%
3,087 businesses in Castro Valley with Phone Number
49.6%
1,750 businesses in Castro Valley with Email Address
48.0%
1,692 businesses in Castro Valley with Phone and Email
A significant portion of business records records in Castro Valley include both email and phone data, enabling highly targeted local outreach strategies.
Top Business Categories in Castro Valley
Most Popular Business Categories in Castro Valley
Category | Businesses |
|---|---|
How to Use the Business leads in Castro Valley
Castro Valley is a high-density local market — every record is within a single metro area. Here's how businesses, agencies, and sales teams are putting this data to work.
Direct Sales Outreach in Castro Valley
Every record in this dataset is a businesses business verified within Castro Valley — no filtering needed. 87.5% have phone numbers on record, so load it directly into your CRM or dialer and start reaching decision-makers the same day, without spending time on list cleanup or geographic deduplication.
City-Focused Email & Phone Campaigns
Castro Valley's tight geographic footprint makes it ideal for high-relevance outreach. With 49.6% of businesses having email addresses on record, every contact is in the same metro — so your messaging stays sharp and your reply rates stay high.
Local Ad Audience Building
61.5% of businesses in Castro Valley have a listed website, making them easy to track and target online. Use the dataset to build a custom audience on Facebook, Google, or LinkedIn — more precise than platform geo-targeting and far cheaper than broad local ad inventory.
Castro Valley's businesses market is small but concentrated — perfect for precision outreach and niche campaigns where relevance matters more than volume.
Social Media Reach of businesses in Castro Valley
With strong social adoption among businesses in Castro Valley, this dataset supports direct engagement on Facebook, Instagram, LinkedIn, and beyond.
Explore Related Businesses by Location
Around 61.5% of businesses in Castro Valley have an active website, giving you a clear edge for running geo-targeted digital campaigns within the city.
Data last updated May 20, 2026
61.5%
2,170 businesses in Castro Valley that have a website
38.5%
1,358 businesses in Castro Valley that do not have a website
Download sales qualified leads in the Castro Valley
Download this data in CSV, Esri Shapefile, Excel, GeoJSON, or KML (Google Earth) file formats.
Frequently Asked Questions
Answers of the most common questions about our dataset
How many businesses are there in Castro Valley?
There are 3,528 businesses listed in Castro Valley as of the latest update. This represents an active local market with significant B2B outreach potential.
How many businesses in Castro Valley have email addresses?
1,750 businesses in Castro Valley have verified email addresses, making this dataset a strong starting point for direct email campaigns and automated outreach sequences.
How many businesses in Castro Valley have phone numbers?
3,087 businesses in Castro Valley include phone numbers. 1,692 of those also have email addresses — ideal for multi-channel campaigns.
Can I use this data for local campaigns targeting businesses in Castro Valley?
Yes. The dataset covers 3,528 businesses businesses in Castro Valley, making it well-suited for hyper-local outreach, direct mail, and targeted digital ads within the area.
What information is included for each business in Castro Valley?
Each record typically includes the business name, physical address, phone number, email, website URL, social media profiles (Facebook, Instagram, LinkedIn, X, YouTube), and star ratings where available.
How do I download the business dataset for Castro Valley?
You can purchase the dataset directly from this page and download it instantly. A free sample is available to review the data format and quality before committing.
Still have questions? Feel free to reach out to our support team
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