List of Medical clinics in Castro Valley
There are 52 Medical clinics in Castro Valley as of March 13, 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 0.2% of all 23,043 Medical clinics in California, making it a focused local market with a well-defined prospect base ideal for precision outreach.
Around 38.5% of Medical clinics in Castro Valley have email addresses, 94.2% have phone numbers, and 38.5% include both — with 48.1% also having a website.
These businesses are active on social media: 15 have Facebook pages, 8 are on Instagram, 13 have LinkedIn profiles, 11 use X (formerly Twitter), 8 maintain YouTube channels. Over 16 Medical clinics have been rated by real users, making this dataset a strong fit for local reputation management and review-based outreach. This dataset is best suited for hyperlocal outreach in Castro Valley.
| 52 Number of Medical clinics | |
| 20 Email addresses | |
| 49 Phone numbers | |
| 25 With Websites | |
| 13 LinkedIn Profiles |
| 15 Facebook Profiles | |
| 8 Instagram Handles | |
| 11 X Handles | |
| 8 YouTube Channels | |
| 20 Phone and Email |
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Data updated on March 13, 2026
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Download sample list of Medical clinics in Castro Valley
Find new clients and close more deals with the world s best business leads provider. You can download Medical clinics email and phone number lists for your sales teams. Here is a random sample of 0 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 | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
How many Medical clinics are there in the Castro Valley?
Medical clinics in the Castro Valley
Last updated: March 13, 2026
In Castro Valley, approximately 38.5% of Medical clinics have email contacts, while 94.2% have phone numbers, enabling direct, personalized outreach to decision-makers in this metro area.
Data last updated March 13, 2026
94.2%
49 Medical clinics in Castro Valley with Phone Number
38.5%
20 Medical clinics in Castro Valley with Email Address
38.5%
20 Medical clinics in Castro Valley with Phone and Email
Contact completeness is solid across Castro Valley's Medical clinics dataset: a meaningful share of records carry both phone and email, supporting direct and digital outreach in parallel.
How to Use the List of Medical clinics 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 medical clinics business verified within Castro Valley — no filtering needed. 94.2% 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 38.5% of medical clinics 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
48.1% of medical clinics 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 represents an emerging local market for Medical clinics — manageable size, low competition, and a clear prospect base to build from.
Social Media Reach of Medical clinics in Castro Valley
Medical clinics in Castro Valley maintain an active social media presence, creating real opportunities for platform-specific outreach and local ad targeting.
Explore Related Medical clinics by Location
Around 48.1% of Medical clinics in Castro Valley have an active website, making this city a prime market for local SEO outreach and website-based lead capture.
Data last updated March 13, 2026
48.1%
25 Medical clinics in Castro Valley that have a website
51.9%
27 Medical clinics in Castro Valley that do not have a website
Download sales qualified leads of Medical clinics in the Castro Valley
Download this data in CSV, Esri Shapefile, Excel, GeoJSON, or KML (Google Earth) file formats.
Castro Valley has 19 highly-rated Medical clinics businesses, reflecting a quality-conscious local market where reputation drives purchasing decisions.
8
1-star rated Medical clinics in Castro Valley
3
2-star rated Medical clinics in Castro Valley
2
3-star rated Medical clinics in Castro Valley
3
4-star rated Medical clinics in Castro Valley
16
5-star rated Medical clinics in Castro Valley
Frequently Asked Questions
Answers of the most common questions about our dataset
How many Medical clinics are there in Castro Valley?
There are 52 Medical clinics in Castro Valley as of the latest update. This makes Castro Valley an active market for B2B outreach and lead generation in the Medical clinics industry.
How many Medical clinics in Castro Valley have email addresses?
20 Medical clinics in Castro Valley have verified email addresses — giving you a strong foundation for direct email outreach and drip campaigns.
How many Medical clinics in Castro Valley have phone numbers?
49 Medical clinics in Castro Valley include phone numbers. Of those, 20 also have email addresses, making them ideal for multi-channel outreach.
Can I use this data for local campaigns targeting Medical clinics in Castro Valley?
Yes. The dataset covers 52 Medical clinics businesses in Castro Valley, making it well-suited for hyper-local outreach, direct mail, and targeted digital ads within the area.
What data fields are included for each Medical clinics in Castro Valley?
Each record typically includes business name, address, phone number, email, website, social media handles (Facebook, Instagram, LinkedIn, X, YouTube), and customer ratings where available.
How can I access the complete Medical clinics list for Castro Valley?
You can purchase and instantly download the full dataset from this page. A free sample is also available so you can review the data quality and structure before buying.
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