Cornerstone Repair and Fabrication
Cornerstone Repair and Fabrication is a HVAC provider serving Williston, ND. Rated 5.0★ with 10 Google reviews. See services, review signals, and request a quote.
HVACWilliston, ND
On this page
Company overview
- TradeHVAC
- Service areaWilliston, ND
- Google rating5.0★ (10 reviews)
- Phone(701) 978-1033
- Address4203 W Front St, Williston, ND 58801, USA
Photos
Photos from Cornerstone Repair and Fabrication
What customers say
“Knowledgeable staff, Nate was very helpful helping me diagnose some problems on my Pete. Would recommend these guys to anyone in need of good truck service.”
“Excellent service, very professional. They got me in right away and on a Sunday. Would highly recommended them.”
“The best truck repair and welding shop in Williston, fair prices and professionalism”
“Very good work at great prices, welding is astonishingly good and the engine work is phenomenal I dare to say the best in Williston”
“Had them replace my AC pump, recharge the system, and do some welding on my tank. Everything’s been running great for months now These guys are professional, their prices are fair, and they don’t just…”
Key highlights
Strengths
- Highly rated (5.0★ average)
Things to ask
- Confirm availability for your area and timeline
- Ask about warranty terms on parts and labor
- Request a written estimate before work begins
- Ask about payment plans or financing
Explore nearby research
Frequently Asked Questions
What services does Cornerstone Repair and Fabrication offer?
Cornerstone Repair and Fabrication provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Williston, ND.
What is Cornerstone Repair and Fabrication's rating?
Cornerstone Repair and Fabrication has a 5.0 out of 5 star rating based on 10 Google reviews.
Is this company licensed in North Dakota?
All listed providers have a verified North Dakota contractor license at time of publication. You can verify on the North Dakota Secretary of State — Contractor Licensing (state contractor registration only; no dedicated statewide HVAC trade license) lookup at https://firststop.sos.nd.gov/search/contractor.
Does Cornerstone Repair and Fabrication offer emergency service?
Contact them directly to ask about emergency availability and after-hours service.
How do I request a quote?
Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.
Licensing verified 2026-04-23. Reviews refreshed 2026-04-23.
Licensing data: North Dakota Secretary of State — Contractor Licensing (state contractor registration only; no dedicated statewide HVAC trade license) · Company data: verified business records + Google Business profile
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