ADU Company in Running Springs — Design, Permits and Build Under One Contract

We handle the design, the engineering, and the city permit, then build it. One contract, one crew, one accountable point of contact. Free feasibility check on your lot before you commit.

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ADU Company in Running Springs, CA

Kitchen remodeling in Running Springs means working with mountain cabins built between the 1950s and 1980s, where floor plans were designed around wood stoves and weekend stays, not modern cooking. We see galley kitchens with single-wall plumbing, post-and-pier foundations that have settled unevenly, and ventilation systems that were never meant for year-round use. Colonial ADU Builders has served Running Springs since 2011, and our in-house remodeling crews know how to open up these tight cabin kitchens without fighting the roofline or the snow-load framing. Call us at (877) 265-9846 for a free estimate.

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Why Running Springs Homes Are Different

Running Springs sits at roughly 5,000 to 6,000 feet inside the San Bernardino National Forest, which shapes every interior project before a single cabinet gets ordered. Winter snow loads dictate that any wall we move or beam we install has to work with roof structures rated for real accumulation, not the occasional dusting a valley home might see. Freeze cycles are harder on plumbing here than in the flatlands, so when we open up a kitchen wall, we regularly find pipes that need relocating away from exterior surfaces or insulating before drywall goes back up.

The cabins themselves are a distinct breed. Most were framed as vacation homes, which means narrow doorways, low ceilings in places, and kitchens that were sized for a hot plate and a cooler, not a family cooking through a snowed-in week. Many sit on pier-and-beam or post-and-pier foundations on sloped lots, and after decades of freeze-thaw, those piers have often moved. A kitchen remodel in Running Springs frequently starts with levelling the floor before we talk about cabinets, because a quartz countertop installed on a sloped base is a problem waiting to crack.

Fire hazard severity zoning adds another layer. Chapter 7A ignition-resistant construction applies to exterior work, but the same defensible-space mindset affects interior choices too. Homeowners here think about what happens during a fire evacuation, which means kitchens with durable, noncombustible surfaces and layouts that do not trap heat or block egress. We have learned to plan remodels around that reality.

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Our Main Running Springs Services

Running Springs homeowners call us most often about two projects: building an ADU on a steep, treed mountain lot, and remodeling bathrooms in cabins that predate modern plumbing expectations. Here is what each involves up here.

ADU Builders in Running Springs

An ADU in Running Springs starts with the question of whether the fire department’s apparatus-access and turnaround requirements even allow a second unit on the lot. Defensible-space rules, Chapter 7A exterior materials, and snow-load engineering come before floor area or layout. We handle the full permit path, compare prefab options from manufacturers like Plant Prefab and Tuff Shed against site-built framing, and deliver a finished unit that matches the existing cabin’s roofline and foundation approach. ADU Builders in Running Springs covers the specifics, including how we work around steep driveways and tree removal requirements.

ADU Builders in Running Springs

Bathroom Remodeling in Running Springs

Mountain bathrooms from the 1960s and 1970s tend to be small, poorly vented, and built around cast-iron plumbing that has seen decades of freeze cycles. We routinely replace galvanized supply lines, add ventilation that actually moves moist air out of a tightly sealed cabin, and rebuild shower surrounds with materials that do not mind temperature swings. Bathroom Remodeling in Running Springs walks through the typical scope, including how we handle floors that are not level and walls that have settled.

Bathroom Remodeling in Running Springs
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What happens when you call

  1. 1
    A real person answersNo phone trees — you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Kitchen Remodeling in Running Springs

Kitchen Remodeling in Running Springs

Kitchen remodeling in Running Springs is about making a mid-century mountain cabin work for the way people actually live now: full-time residents, remote workers, and rental owners who need durable, low-maintenance surfaces. The original kitchens in these 1950s-to-1980s cabins were compact, dark, and built for weekend use, and most have settled floors, outdated electrical panels, and plumbing that was never insulated for winter. Our approach at Colonial ADU Builders is to open the space without compromising the roofline, level the floor before installing anything, and finish with cabinetry and surfaces that stand up to pine needle grit and freeze-thaw cycles. If you are weighing a full gut versus a cosmetic refresh, see our Kitchen Remodeling overview before deciding.

Full Cabin Kitchen Renovation

Signs you need it

Your Running Springs kitchen has settled floors that slope more than an inch, original cabinets that have warped from years of winter humidity swings, or a layout that leaves you cooking in a corner while guests crowd the only exit.

What it costs in Running Springs

A full cabin kitchen renovation in Running Springs runs $35,000 – $70,000, with the higher end reflecting structural floor levelling, beam work, and upgraded electrical panels that older mountain cabins often require.

How we do it

We level the floor structure first, re-frame walls to open the space within the existing roofline, replace plumbing and electrical to current mountain code, then install cabinets, counters, and finishes with our in-house crew.

Countertop and Cabinet Upgrade

Signs you need it

Your cabinets are structurally sound but the doors are delaminating, the counters are chipped laminate from the 1980s, and you want a refresh that does not require moving walls or touching the foundation.

What it costs in Running Springs

A countertop and cabinet upgrade in Running Springs typically runs $8,000 – $20,000, depending on whether you reface existing boxes or replace them entirely and which counter material you choose.

How we do it

We measure the existing layout precisely, order or build replacement doors and drawer fronts, install new counter surfaces on levelled bases, and tie in new hardware and a farmhouse sink or undermount basin if the existing plumbing allows.

What Kitchen Remodeling Costs in Running Springs

Item Typical range in Running Springs
Full cabin kitchen renovation $35,000 – $70,000
Countertop and cabinet upgrade $8,000 – $20,000
Structural floor levelling (common here) $3,000 – $9,000

How long does a kitchen remodel take in Running Springs?

A full kitchen remodel in Running Springs typically takes six to ten weeks, with structural levelling and any beam work adding one to two weeks on top of that. Cabinet and counter upgrades usually finish in two to four weeks. We schedule around snow season when possible, since deliveries up the mountain can be delayed in heavy weather. Call (877) 265-9846 for a project timeline based on your cabin’s condition.

Will the price change once work starts in Running Springs?

No, because we inspect for foundation movement, outdated plumbing, and electrical deficiencies during the estimate phase, not after demolition begins. In Running Springs, the biggest unknown is usually the condition of the subfloor once we open it up, and we price for that contingency up front. You get a fixed line-item quote before work starts, so a settled floor does not become a surprise change order. Call (877) 265-9846 for a free estimate.

Brands We Service in Running Springs

We work with James Hardie fiber-cement cladding for exterior finishes and interior wet-area backing, bringing fire resistance that matters in a wildland-urban interface community. For ADU shells, our Running Springs clients frequently choose between Plant Prefab factory-built units and Tuff Shed structures that we finish out on site. See our brands for the full manufacturer lineup.

Pricing for ADU Company in Running Springs, CA

Service Typical range in Running Springs
Full cabin kitchen renovation $35,000 – $70,000
Countertop and cabinet upgrade $8,000 – $20,000
Structural floor levelling $3,000 – $9,000
ADU feasibility and site assessment $500 – $1,500
Prefab ADU (shell, delivery, set) $120,000 – $280,000
Site-built ADU (full custom) $250,000 – $450,000+
Bathroom remodel (standard) $15,000 – $35,000
Bathroom remodel (full rebuild) $35,000 – $60,000

Prices in Running Springs run higher than valley figures because steep lots require more site work, debris clearance and fire-access improvements add cost before framing begins, and snow-load engineering touches every structural decision. We give a fixed line-item quote before any work starts, with no change orders unless you change the scope.

Neighborhoods We Serve in Running Springs

We cover all of Running Springs, including the areas around Live Oak Drive, Holiday Lane, and the neighborhoods off Highway 18 near Snow Valley and the Running Springs Farmers Market site. Response times for estimates vary by season, but most homeowners get a site visit within one to two weeks of calling, and we try to schedule around snow events rather than have crews chained up on the switchbacks.

  • Live Oak Drive area
  • Holiday Lane district
  • Highway 18 corridor near Snow Valley
  • Upper Rowco and Lower Rowco
  • Arrowbear Lake area

Service Area – Cities Near Running Springs

Colonial ADU Builders serves Running Springs and the surrounding San Bernardino mountain communities. If you are just down the hill, see our pages for Lake Arrowhead, CA, Highland, CA, Mentone, CA, and Crestline, CA for site-specific pricing and conditions.

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 ADU Company in Running Springs

Ready to get started? Free estimates · Written quotes before work starts response in Running Springs
Call (877) 265-9846

What happens when you call

  1. 1
    A real person answersNo phone trees — talk to a local adu pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Running Springs Customers Say

★★★★★ 4.8 from 4+ reviews

"Unit came out great and the tenant is happy. The timeline ran long, largely because of how slow the city was on plan check, though a couple of the delays were scheduling on their end."

— Elena Torres

"Every invoice was tied to a completed milestone, so I always knew what I was paying for."

— Beatriz Mendoza

"Garage conversion to a one bedroom unit. He handled the plans, the city submittal, and every round of corrections. Took six months from first meeting to final inspection and he never once made the permit process my problem."

— Christine Kim

How It Works in Running Springs

Getting your adu handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your adu needs and we provide an upfront, transparent quote — no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Running Springs — typically within 30–60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

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Areas We Serve
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