Diamond Rodent Proofing
- Rats
3 of these companies are based in Pittsburg; the others serve Pittsburg from towns including Brentwood (11 mi), Walnut Creek (11 mi) and Concord (7 mi).
13 open weekends · 22 rated 4.5+ · 5 show a license
Data verified October 18, 2026
Listed for homeowners in and around Pittsburg, CA, these 24 companies treat pest problems in homes. The pests each company names, its licensing claims and its hours come from its own site; ratings and the quoted comments come from public reviews.

The 24 companies on this page are rated from 4.1 to 5.0 across 1,671 reviews; 9 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (96%), quality (85%) and responsiveness (82%). The topics that come up most in reviews of the companies on this page are "price" and "informative". 13 are open on Saturdays and 5 on Sundays. The services the companies on this page list most often on their websites are pest control (3), rodent control (3), gopher control (2), ground squirrel control (2) and mole control (2). 5 show a license on their websites and 6 have a BBB rating of A or A+. 16 have ten or more years of experience, the longest 85 years. 1 offers financing or payment plans; 8 give free estimates; 7 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for 23 of the companies on this page; 18 publish a contact page; 16 list a public email and 1 takes bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Weekend hours are listed by 13 of the 24 companies here, which helps because you need to be home for an interior treatment. Ask how long you must stay out of treated rooms before you book the appointment for a Saturday morning.