Company Overview
Company Name
Diamond Gym
Address
732 Irvington Ave, Maplewood, NJ, 07040, United States
Website
diamondgym.proPhone
(973) 762-0828Approx. Annual Revenue
$0.5M
Employees
8
Established
1976
Google Reviews
4.5 (164 reviews)
Google Business Category
Gym
About Diamond Gym
Diamond Gym, founded by John Kemper in 1976, is a fitness center located in Maplewood, New Jersey. The gym has approximately 2 employees and hosts the NPC New Jersey State Championships. Diamond Gym values its customers' privacy and uses cookies to enhance their browsing experience.
Business Profile
Read from the Diamond Gym website on Oct 25, 2026. Hover an item to see the exact wording it came from.
How Diamond Gym works
About the website
- Website quality (AI-assessed)
- 7/10 · Current copyright 2026; Clear membership pricing and hours
- Footer copyright year
- 2026
Announcements
As stated on the Diamond Gym website.
- Anniversary“50 YEARS OF HEALTH & FITNESS”
Recent changes
What changed on the Diamond Gym website and Google listing, as detected by Coldlytics on each visit.
Anniversary announced
50 years of health & fitness
Coldlytics tracks changes like these across millions of businesses, so you can reach companies the moment they add a pixel, start hiring, or switch software.
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Frequently Asked Questions about Diamond Gym
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Key Decision Makers
Dwayne McDaniel Owner