Home – Computer Sales Service

Cantrell's Computer Sales & Service: Serving Central Contra Costa County

We have moved! We are now at 2280 Diamond Blvd. Suite 150, Concord CA. Please call us at 925-827-1200 to set an appointment and for directions.

From IT services for businesses and individuals, to the sale of new and refurbished computers, we support the needs of our East Bay customers including Concord, Martinez, Walnut Creek, Lafayette, Moraga, Orinda, and Pleasant Hill.

We can help find the most suitable solution when you want help with:

  • Improving the performance of your Information Technology (IT) systems
  • Data security and backup
  • Networking computers for your business
  • Upgrading your current computing equipment
  • Moving and adding locations
  • Data Backup

Few things in life are more agonizing that finding out your data is corrupted, or overwritten, and you have no backup. Backup systems can be as simple or as sophisticated as the need requires. Let Cantrell’s advise you on the best, most cost-effective system for your operation.

  • Equipment, New & Refurbished
We source and build systems to suit the application and your budget. We understand the last thing you can afford is to waste money. Doing a needs assessment and making recommendations for new vs refurbished equipment before you make a purchase is your best investment of time. Ask about our "Test Drive" and rental options!
  • Security
Concerned about a computer virus? Ransomware?  We can remove viruses, trojans, root kits and spyware while leaving your precious data and applications intact.  If the malware has damaged the operating system beyond repair, we’ll make the process of a full-system reload as painless as possible. Get more peace of mind by having the Cantrell team assess any threats.
  • In-Shop Service
Whether your computer is new or old, occasionally your equipment will give you trouble.  Before you toss your existing PC, notebook computer, or Mac, let us diagnosis the issue. We’ll help you determine the least expensive option: repair, upgrade, refurbish, or purchase new. Our award-winning repair shop may save you money by repairing your computing equipment to extend its useful life
  • On-Site & Remote Services
Cantrell’s offers both on-site and remote services at your office to save you time, hassle and business interruption. Emergency services available Monday through Friday, 9 am to 6 pm. Our technicians are respectful and courteous and are available to discuss over the phone what service options you might need.
  • Upgrades
Is your computer running slower than you want? There are hardware upgrades that will improve the performance and extend the useful life of you computer. Installing more memory (RAM), and upgrading to a solid state drive (SSD) are popular options. Other options include a newer hard drive, faster video card, and faster CPU. Call us to set up an appointment! We will work with you to determine your upgrade options on your PC or Mac.


Cantrell's Computer Sales and Service
2280 Diamond Blvd., Suite 150
Concord, California 94520

Pleasant Hill Chamber
Business Hall of Fame
2018 Inductee


Revised Hours Effective March 18, 2020: Our office is closed to walk-in traffic and we are currently helping customers by remote services only until further notice. 
Monday – Friday: 9 AM – 5 PM
Saturday: Closed
Sunday: Closed

By appointment only, please contact us!

Cantrell's Computer Sales & Service is proud to be an Intel Gold Technology Provider

Call / Text / Email:

925-827-1200 (call or text)