2801 N Pittsburg St, Spokane, WA 99207

Welcome From the Local Experts at

Columbia General Contracting

Spokane's Automated Gate, Excavation and Sewer Experts

Our Services

Custom automated gates, access controls, sewer repair, excavation and more

Excavation

Site prep, basements, ponds, and more. Columbia General Contracting is here to get your excavation project done to specifications and on time. We've got the skilled experts, equipment and experience to handle any excavation in the Spokane area.

Close,Up,Of,Horizontal,Directional,Drilling,Technology.,Drilling,Machine,Work

Trenchless sewer repair

Minimally invasive, less damaging to landscape and often less expensive than traditional excavation based sewer repair- When it's able to be used trenchless sewer repair can be a great alternative to excavation. Call today for a free quote.

Sewer repair

Our extensive sewer repair services are available for your Spokane home or business. From traditional excavation based sewer repair to latest trenchless technologies, Columbia General Contractors can tackle any sewer project, big or small.





Leaching field on a new home site

Septic Installation

If you need septic installed or your current system needs repair Call Columbia General Contracting for a free quote. We have the tools and experience to install or repair almost any septic system.

Automated Gates

Our extensive experience with automated and custom gate systems make us Spokane's trusted experts in automated gate systems. If you can dream it we can fabricate it.
















Welder welds the steel gear racks to gate before setting up automated gate operator. Professional service of installation and maintenance of automatic cantilever sliding gate

Automated Gate Repair

If you automated gate system isn't working like it used to or like you hoped, our experts are here to help your gate get back on track. Call us today for a free automated gate repair quote.

Highmark Data Center

Commercial Fence

Columbia General Contracting is Spokane's top commercial fence installation company. Call us today to schedule a free quote on your commercial fence project in or around Spokane.
















Plumber prepares to fix the problem in the sewer with portable camera for pipe inspection and other plumbing work.

Sewer Camera Inspection

Columbia General Contracting can diagnose your sewer or septic issue and with our state of the art sewer line camera inspection equipment.

Local Spokane Experts, Here to Serve You.

With decades of experience, our team are the trusted local experts in Spokane.  Our sterling reputation is reflected in our online reviews from your friends and neighbors. Our commitment to customer service and attention to detail sets above the rest.

Why Columbia General Contracting?

Our Team

We have assembled the top team in Spokane. Our dedicated professionals do whatever it takes to get you the best results.

Our experence

Columbia General Contracting has unmatched experience and expertise in the Spokane region. in short- we've got the know how to get your job done right!

Customer Service

Our administrative team are in contact every step of the way to ensure you know what's going on with your project all the time.

Local

Locally owned operated Columbia General Contracting is committed to keeping Spokane the great city we know and love.

Gate and Fence Projects in Spokane

From incredible custom designed residential gates to robust high security gates, Columbia General Contracting has installed some of the most unique and iconic gate systems in the Spokane area. Find out more about our automatic gate options

Client Testimonials

"Our experience with Columbia General Contracting couldn’t have gone any better. We won’t hesitate to call Columbia first for the future work we plan on having done around our home!"
Rick O'Conner
"How often do you have someone walk you through each line on a contract prior to signing? That degree of thoroughness was replicated in the rest of their work replacing 130' of sewer line (not a cheap investment!)."
Samantha Hull
"Highly recommend Marco’s and crew! Bid our job in a timely manner, and followed through with excellent workmanship! Professional and knowledgeable."
Dawn Luchini

Our Blog

Everything you could want to know about, automated gates, access controls, excavation, and sewer and septic installation or repair. 

Join Our Newsletter

Receive our latest blog posts directly in your inbox!