
406 Underground Concrete · Helena, Montana
Concrete contractor in Helena, MT
Flatwork, driveways, sidewalks, curb and gutter, utility vaults and equipment pads — and concrete restoration after utility work. Serving Helena, Montana and the surrounding area.
Concrete division
One company for the dig and the finish
406 Underground's concrete division pours and finishes concrete across the Helena area — and because the same company does the underground work, vaults, pads and restoration are coordinated with the conduit, bores and trenches around them.
- Local. Helena-based, Montana owned and operated.
- Free estimates after a look at the site.
- Utility-aware. Existing lines located before we dig or form.
- Safety program with daily job hazard analysis on every crew.


Concrete services
What we pour
Every job is quoted after a site visit. Not sure if your project fits? Call — you'll get a straight answer.
Concrete Flatwork
Patios, slabs, walkways and other flat concrete — formed, placed and finished.
Flatwork is the core of the concrete division: patios, slabs, walkways and approaches, formed to grade, placed and finished clean. Tell us the size, the use and the finish you want and we'll quote it after a look at the site.
Quote this- Patios
- Slabs
- Walkways and approaches
- Finish options discussed up front
Driveways
New and replacement concrete driveways and approaches.
New driveways, replacement of cracked or heaved sections, and approaches that tie into the street. Sub-grade prep and drainage are planned before anything is poured, so the driveway holds up to Montana freeze-thaw.
Quote this- New driveways
- Section replacement
- Approaches
- Sub-grade prep
Sidewalks
New sidewalks and panel replacement for homes, businesses and right-of-way.
New sidewalks and replacement panels for residential, commercial and right-of-way work — including sidewalk sections removed for utility installs.
Quote this- New sidewalks
- Panel replacement
- Commercial and residential
- Right-of-way work
Curb & Gutter
Curb and gutter installation and replacement.
Curb and gutter for new development, replacement of damaged runs, and curb sections cut for utility crossings — set to line and grade so water goes where it should.
Quote this- New curb and gutter
- Replacement runs
- Curb cut repair after utility work
- Set to line and grade
Utility Vaults & Equipment Pads
Pads and vaults for electrical, telecom and mechanical equipment.
Equipment pads and utility vaults are where concrete meets our underground work: pads for electrical, telecom and mechanical equipment, and vaults set as part of utility builds — coordinated with the conduit that feeds them.
Quote this- Equipment pads
- Utility vaults
- Coordinated with conduit and underground work
- Utility and commercial projects
Restoration After Utility Work
Concrete put back right after boring, potholing and trenching.
When a bore pit, pothole or trench goes through concrete, the same company that dug it puts it back — sidewalks, driveways, curb and pads restored so the job is actually finished.
Quote this- Bore-pit and pothole restoration
- Trench-cut concrete replacement
- Sidewalk, driveway and curb sections
- One contractor from dig to finish
FAQ
Concrete questions
What concrete work does 406 Underground do?
Concrete flatwork (patios, slabs, walkways), driveways, sidewalks, curb and gutter, utility vaults and equipment pads, and concrete restoration after utility work.
Where do you pour concrete?
Helena, Montana and the surrounding area. Call (406) 521-0015 about jobs farther out.
Do you give free estimates?
Yes — estimates are free after we look at the site and the proposed work.
Can you restore concrete after a bore, pothole or trench?
Yes. When our underground crews cut concrete, the concrete division puts it back — and we can restore concrete after other contractors' utility work too.
Concrete quote
Tell us about the concrete job
What you need poured or replaced, rough size, address or area, and timing. Photos help — email them to beau@406ug.com.
Need concrete in the Helena area?
Flatwork, driveways, sidewalks, curb & gutter, vaults and pads — call for a free estimate.