Bell Mountain Builders

Utah builders. Commercial, multifamily, and residential — same crew on every site.

We're a Utah-based general contractor working across commercial, multifamily, and residential construction. The founders came up in the field — decades of combined experience as project managers, superintendents, and tradespeople — and that's still how we operate. Investors, developers, and homeowners bring us in early, and we run the project from raw site to final walk-through.

The work spans flex space and ground-up commercial buildings, multifamily and townhome developments like Mountain View Commons, and a residential portfolio of custom homes, ADUs, and basement finishes. Whatever the scale, the same project managers, superintendents, and trades show up on site. That's how we keep the work — and the communication around it — at the level we promised when we shook hands.

Meet the team

The people you'll actually be working with. Project managers, superintendents, and partners with decades of combined experience across commercial, multifamily, and residential work in Utah.
Portrait of Josh Schellenberg

Josh Schellenberg

Founder / President
Portrait of Jonny Chandler

Jonny Chandler

Founder / CEO
Portrait of Tanner Peterson

Tanner Peterson

Finance Manager
Portrait of Mitch Duncan

Mitch Duncan

Project Manager
Portrait of Seth Schellenberg

Seth Schellenberg

Superintendent
Portrait of Jason Flack

Jason Flack

Superintendent
Portrait of Jake Wright

Jake Wright

Office Administrator
Portrait of Callen Gunther

Callen Gunther

Foreman
The Bell Mountain Builders team on site
Commercial
Multifamily
Residential
Commercial
Multifamily
Residential
Commercial
Multifamily
Residential

Some questions, some answers

What is an ADU (Accessory Dwelling Unit)?

An ADU is a second, self-contained living unit on a single-family lot — attached or detached from the main house. People use them for aging parents, adult kids moving home, guests, a home office, or rental income. We've built them as basement units, garage conversions, and stand-alone backyard cottages. The trick is making them work with the existing house and whatever the local zoning code allows — which varies by city across Utah.

How do you approach a custom home?

We sit down with you and your architect early — before drawings are finalized — so we can flag what's going to drive cost and what won't. From there it's site, foundation, framing, MEP, finishes. You get weekly updates from your project manager, and the same superintendent runs the job from groundbreaking to walk-through. Don't have an architect yet? We can point you to a few we trust.

Is finishing my basement worth it?

Usually, yes. A finished basement adds livable square footage at a fraction of the cost of an addition. The honest variables: ceiling height, egress windows, where the mechanicals sit, and whether you want a kitchenette or a bath down there. We'll walk it with you and tell you straight what's simple and what'll need creative framing — before we quote anything.

What makes you different on residential work?

Two things. First, you get the same project-management process we use on the commercial side — written schedule, line-item budget, weekly updates, no surprises at close-out. Second, when you call, you reach a person who's actually been on site. Most of our residential work comes from past clients and referrals — that only happens if we keep showing up.

How do you keep projects on budget and on schedule?

Front-loaded planning. We build a line-item estimate before breaking ground, lock in long-lead items early, and run a written schedule that updates every week. When something shifts — weather, an inspector's call, a backordered material — you hear about it the day it happens. Not at the end of the month.

What kinds of commercial projects do you build?

Flex space, retail, warehouses, office build-outs, and ground-up multi-building developments. Mountain View Commons is a recent example — multi-tenant flex with retail bays on the ground floor and offices above. We work mostly with investors and developers across the Wasatch Back and Salt Lake Valley, and we're comfortable taking projects from raw land or stepping in after entitlements are done.

How do you handle the regulatory side of a commercial project?

Permitting, zoning, density, parking, drainage, utility tie-ins — every Utah jurisdiction handles these a little differently, and we've worked with most of them. We pull permits, coordinate with the city engineer and planning department, and stay on top of inspection schedules so the project doesn't sit waiting on paperwork. When a city pushes back, we already know who to call.

Open book or fixed price — which do you do?

Both. Open book means you see every invoice, sub bid, and PM hour — you pay actual cost plus a fee, and any savings we find get shared. Fixed price gives you a guaranteed number once the project is fully scoped. Open book tends to work better when scope is still moving; fixed price is cleaner once drawings are locked. We'll tell you honestly which one fits your deal.

How do you handle sustainability and energy efficiency?

Practically. We spec high-performance envelopes, modern HVAC, LED lighting, and EV-ready electrical where it makes sense for the project. We're not going to push LEED certification if your tenants don't need it — but we will flag where a small upfront spend pays back fast in operating cost, and we'll always tell you the honest tradeoff.

Can you help with land development?

Yes. We've taken projects from raw dirt through utilities, grading, road work, and vertical construction. If you're still on the entitlement side, we can bring in our civil engineers and surveyors to help you pencil out what's actually buildable on the parcel before you close on the land. Saves a lot of regret later.