Business Leads in Diamond Bar
There are 3,685 businesses in Diamond Bar 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.
Diamond Bar 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 46.2% of businesses in Diamond Bar have email addresses, 89.1% have phone numbers, and 44.6% include both — with 62.3% also having a website.
These businesses are active on social media: 1,041 have Facebook pages, 624 are on Instagram, 604 have LinkedIn profiles, 646 use X (formerly Twitter), 382 maintain YouTube channels. This dataset is best suited for hyperlocal outreach in Diamond Bar.
| 3685 Number of Businesses | |
| 1702 Email addresses | |
| 3284 Phone numbers | |
| 2295 With Websites | |
| 604 LinkedIn Profiles |
| 1041 Facebook Profiles | |
| 624 Instagram Handles | |
| 646 X Handles | |
| 382 YouTube Channels | |
| 1643 Phone and Email |
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Data updated on May 20, 2026
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Download sample business list in Diamond Bar
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 Diamond Bar?
businesses in the Diamond Bar
Last updated: May 20, 2026
In Diamond Bar, approximately 46.2% of businesses have email contacts, while 89.1% have phone numbers, supporting high-conversion hyper-local outreach in this city market.
Data last updated May 20, 2026
89.1%
3,284 businesses in Diamond Bar with Phone Number
46.2%
1,702 businesses in Diamond Bar with Email Address
44.6%
1,643 businesses in Diamond Bar with Phone and Email
A significant portion of business records records in Diamond Bar include both email and phone data, enabling highly targeted local outreach strategies.
Top Business Categories in Diamond Bar
Most Popular Business Categories in Diamond Bar
Category | Businesses |
|---|---|
How to Use the Business leads in Diamond Bar
Diamond Bar 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 Diamond Bar
Every record in this dataset is a businesses business verified within Diamond Bar — no filtering needed. 89.1% 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
Diamond Bar's tight geographic footprint makes it ideal for high-relevance outreach. With 46.2% 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
62.3% of businesses in Diamond Bar 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.
Diamond Bar'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 Diamond Bar
Many businesses in Diamond Bar actively use social platforms, making it a strong market for direct engagement and targeted campaigns.
Explore Related Businesses by Location
Around 62.3% of businesses in Diamond Bar have an active website, a strong signal for hyper-local digital targeting and city-level web campaigns.
Data last updated May 20, 2026
62.3%
2,295 businesses in Diamond Bar that have a website
37.7%
1,390 businesses in Diamond Bar that do not have a website
Download sales qualified leads in the Diamond Bar
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 Diamond Bar?
There are 3,685 businesses listed in Diamond Bar as of the latest update. This represents an active local market with significant B2B outreach potential.
How many businesses in Diamond Bar have email addresses?
1,702 businesses in Diamond Bar have verified email addresses, making this dataset a strong starting point for direct email campaigns and automated outreach sequences.
How many businesses in Diamond Bar have phone numbers?
3,284 businesses in Diamond Bar include phone numbers. 1,643 of those also have email addresses — ideal for multi-channel campaigns.
Can I use this data for local campaigns targeting businesses in Diamond Bar?
Yes. The dataset covers 3,685 businesses businesses in Diamond Bar, 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 Diamond Bar?
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 Diamond Bar?
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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