Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Running Springs
Running Springs remodeling projects carry a specific set of rules that flatland contractors rarely see. At 6,000 feet inside the San Bernardino National Forest, any opened-wall remodel triggers county fire-safety review and Chapter 7A wildfire-resistant detailing on top of standard structural and electrical inspections. That’s not bureaucracy; it’s what keeps a mountain home standing through snow load and fire season. Square One Builders has worked this permit chain long enough to write it into your quote up front, not after the walls are open. If you’re planning a kitchen or bath remodel, an addition, or a full home update in Running Springs, call us at (877) 688-9930 for a free estimate.

Why Square One Builders Is Running Springs’s Preferred General Contractor Company
We’ve earned our name in Running Springs by treating every 1960s cabin and 1980s vacation home as what it actually is: a structure built before modern fire-resistant detailing and snow-load standards existed, sitting on ground that moves. Homeowners here don’t need a contractor who quotes a flat kitchen number over the phone. They need someone who knows that pier-and-beam subfloor might be hiding heave, rot, or framing that was never bolted. That’s the work we do.
Running Springs customers call us because we write allowances into the contract for exactly what gets discovered when walls and floors open up. No vague contingencies. We price the known scope and itemize the likely unknowns, then put every change order in writing with a signed approval before we touch a stud. Brent Calloway, our owner, has built Square One around a simple principle: scope the ground truth, not the guess.
Styles & brands we work with







Hire a General Contractor in Running Springs
Hire a General Contractor in Running Springs and you’re hiring someone to manage the full sequence: demolition, structural repair, rough-in work, fire-safety detailing, finish work, and final inspections. A mid-century mountain cabin here hides things. Knob-and-tube wiring spliced into newer circuits. Load-bearing headers nailed instead of bolted. Subfloor that heaves with frost and leaves tile work cracked a year later. That’s what the inspection is for, and it’s why a Running Springs kitchen remodel ranges from $14,000 to $45,000 while a small kitchen runs $9,000 to $20,000.
The flat numbers you see online don’t account for what’s behind the drywall. Ours do, because we price after we look.
Working With Existing Conditions
We don’t quote a remodel on a Running Springs cabin sight unseen. We walk the crawl space first. We check whether the deck was nailed or bolted to its piers, because that tells us how much structural repair the project will trigger. Then we write the scope to match what’s actually there.
Code Requirements We Handle
Once walls open in Running Springs, the permit chain extends. County fire-safety review, Chapter 7A detailing, snow-load structural review, all of it layered on top of standard inspections. A valley contractor might not know these steps exist until the inspector asks. We file knowing exactly what the plan reviewer will want to see.
General Contractor Services in Running Springs
General Contractor Services in Running Springs span the full scope most local remodelers won’t handle under one contract. Kitchen and bathroom remodels, whole-home updates, room additions, roof replacement, and deck or exterior stair rebuilds. We coordinate every system, from roofing and windows to cabinetry, fixtures, and hardscaping, so you’re not juggling three separate permits and four separate crews.
Whole-home remodels in Running Springs typically run $45,000 to $130,000 depending on what’s behind the walls. Bathrooms run $9,000 to $28,000. Roof replacement, often needed before interior work starts on these cabins, runs $8,000 to $20,000. We’ll give you a written line-item quote with the allowances spelled out.
Kitchen and Bath Remodeling
We spec materials intentionally for mountain conditions. Cabinetry from KraftMaid or Wellborn. Countertops from Cambria or Silestone. Plumbing fixtures from Kohler or Moen. The finishes matter, but the real work is what happens before the finish goes on: the subfloor, the framing, the fire-resistant detailing no one sees.

Full Scope, One Contract
From the ground up. One contractor, every system. When we tear into a Running Springs home and find the deck ledger was nailed to frost-heaved piers, we don’t call a deck guy and hope he shows up. It’s our scope. We fix it, permit it, and close it out.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Running Springs
We source and install from a portfolio of 50+ nationally recognized brands, and we spec the right material for your project. For Running Springs roofing work, that means CertainTeed, Owens Corning, or IKO products rated for snow load and wildfire exposure. For siding, James Hardie fiber cement. For windows, PGT and Therma-Tru give Running Springs homeowners the impact and fire-resistant ratings this area demands. We keep lead times short by pulling from distribution channels we’ve used for years, so a remodel in Running Springs doesn’t stall out waiting on a window order.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Running Springs Homes
- Frost-heaved pier-and-beam subfloors. Running Springs sits on ground that freezes and thaws every winter. Subfloors that were set shallow move, and tile, doors, and framing joints show the stress. We check before we quote.
- Knob-and-tube wiring hidden behind modern panels. Mountain cabins were built before modern electrical codes. Opening a wall often reveals old wiring spliced where it shouldn’t be. We stop, price the repair, and get signed approval before proceeding.
- Decks and exterior stairs nailed, not bolted. Many Running Springs decks were built decades ago with nails into shallow piers. Since 2008, wildfire defensible-space inspections have flagged unpermitted deck enclosures and failing connections. A resurfacing job turns into a structural rebuild once the inspector sees it.
- Missing Chapter 7A fire-resistant detailing. Ember-resistant vents, proper flashing, fire-rated materials around roof eaves. Homes built before the standard typically don’t have them, and the county now requires them when permits are pulled. We build that scope from day one.
Pricing for General Contractor in Running Springs, CA
A kitchen remodel in Running Springs runs $14,000 to $45,000. A small kitchen, $9,000 to $20,000. Bathrooms run $9,000 to $28,000, and a home addition runs $45,000 to $130,000. Roof replacement runs $8,000 to $20,000. What moves the number is what’s behind the walls: subfloor condition, wiring age, framing that was never bolted, and how much Chapter 7A detailing the permit review requires. We don’t bury those costs in vague language. We inspect, then write allowances for the likely unknowns, and any change order gets priced and approved in writing before work proceeds. Call (877) 688-9930 for a free estimate on your Running Springs project.
| Service | Running Springs Price Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| Roof Replacement | $8,000 – $20,000 |
We Also Serve Cities Near Running Springs
We work throughout the San Bernardino mountain communities, including Lake Arrowhead, Highland, Mentone, and Crestline. If you’re planning a remodel anywhere near Running Springs, our General Contractor team can scope it. We coordinate permits, materials, and crews across the whole area. For a detailed look at how we work in this specific mountain market, see General Contractor in Running Springs.
Serving Running Springs, CA — Our Local Coverage Area
We’re based in the Running Springs area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About General Contractor in Running Springs
A Running Springs remodel costs more because the permit chain is longer. At 6,000 feet, county fire-safety review and Chapter 7A wildfire-resistant detailing get layered on top of standard structural and electrical inspections. Snow-load structural review also applies. That means more engineering, more inspection sign-offs, and more fire-rated materials. A flat valley quote doesn’t carry those costs because it doesn’t have to. Call (877) 688-9930 and we’ll walk you through exactly what applies to your home.
We stop work and write it as a change order with the allowance adjusted, then get your signed approval before anyone touches another stud. On a 1970s A-frame off a steep Forest Service-adjacent lot, our crew opened a kitchen wall for a small kitchen remodel and found knob-and-tube wiring spliced into a newer circuit, plus a load-bearing header nailed to a frost-heaved pier instead of bolted. We priced the rough-in and framing repair, got the signature, and only then pulled the subfloor back. Nothing gets discovered mid-draw because nothing gets touched mid-approval.
No. A deck that was nailed, not bolted, to shallow piers won’t pass inspection once the structural review sees it, and defensible-space inspections since 2008 have flagged unpermitted deck enclosures regularly. The rebuild becomes a structural and permit issue, not a resurfacing job. We price the full rebuild, including proper bolted connections and frost-depth footings, so it’s built to stay that way. Call (877) 688-9930 for a deck assessment that tells you what the inspector will actually require.
A permit is the only thing that forces the inspection sequence a Running Springs remodel needs: fire-safety review, snow-load structural review, electrical, and final. Unpermitted work on a 6,000-foot cabin creates liability when you sell and danger when the snow hits. It also voids insurance coverage if fire damage traces back to non-code work. We pull permits and pass inspections because that’s the only way a mountain remodel is worth doing. Call (877) 688-9930 to talk through the permit scope on your project.
Our quotes hold because they’re written after an inspection, not before. We walk the crawl space, check the piers, check the wiring, and check the deck connections. Then we write allowances for what’s likely, itemize the known scope, and put every change order in writing with a signature before work proceeds. The price moves only when you approve it in writing. That’s the Square One approach, and it’s why Running Springs homeowners call us instead of playing discovery roulette with a flat quote. Call (877) 688-9930 for a free estimate.
Written by Brent Calloway, Owner at Square One Builders, serving Running Springs and the San Bernardino mountain communities since the company’s first cabin remodel.