ADU Company in Highland — 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 Highland, CA

Kitchen remodeling in Highland usually means working inside a 1950s or 1960s ranch home where the original layout, wiring, and plumbing are still doing the job they were built for, long past when they should have retired. We’re Newport Beach ADU Builders, and we’ve served Highland since 2016. That matters because Highland kitchens come with specific problems: older electrical panels that can’t support modern appliance loads, cast-iron drain lines that have corroded under decades of hard water, and wall layouts that predate the way families actually cook now. Call (844) 934-0236 and we’ll tell you honestly what your kitchen needs and what it doesn’t.

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Why Highland Homes Are Different

Highland’s housing stock runs heavily to single-story ranch homes built between the 1950s and 1970s, most of them on larger lots than you’ll find in San Bernardino or Redlands. That’s good news for anyone adding an ADU or remodeling a kitchen: there’s room to work. But those same homes come with original electrical panels, often 100-amp or less, that were sized for an era of incandescent bulbs and a single window air conditioner. Adding a second dwelling or a modern kitchen with double ovens, induction cooktops, and dedicated circuits means a panel upgrade, and sometimes a service line upgrade from the pole. Older septic systems on some Highland properties add another layer: a second dwelling may require a septic system evaluation and possible upsizing before the city will sign off. Highland sits in a CAL FIRE wildfire hazard zone, so any construction that touches roofing, vents, or exterior walls has to meet ember-resistant standards that don’t apply in neighboring flatland cities. The city has also signaled a legitimate interest in converting unpermitted outbuildings into legal ADUs, which means homeowners with a converted garage or shed that was never permitted may have a path to bring it into compliance rather than tear it down. Every one of these factors changes the scope, the timeline, and the budget.

Our Main Highland Services

Highland homeowners call us most often about two projects: building new ADUs and remodeling bathrooms in older ranch homes. Both involve the same local realities: aging infrastructure, wildfire-zone code requirements, and the need to pull permits through the City of Highland without surprises.

ADU Builders in Highland

Building an ADU in Highland starts with questions most single-brand dealers won’t ask: Is your lot on septic or sewer? What’s your current electrical service? Is there an existing outbuilding the city considers legal nonconforming? We work across multiple manufacturers, so we can match the build method to your lot, your budget, and your schedule rather than selling you whatever one factory happens to produce. Highland’s wildfire-zone requirements affect exterior materials, vent types, and roofing choices, and we handle that as part of the permit package. For full details on the process in Highland, see ADU Builders in Highland.

ADU Builders in Highland

Bathroom Remodeling in Highland

Highland’s 1950s and 1960s bathrooms often hide problems behind the tile: galvanized supply lines that have narrowed to a fraction of their original diameter, original cast-iron drain stacks, and subfloor rot from decades of slow leaks around tub surrounds. A bathroom remodel here is rarely cosmetic once the walls come open. We plan for what we’ll find, not just what we can see, and we quote accordingly. Bathroom Remodeling in Highland covers the specific scope of work, timeline, and local permit path for these projects.

Bathroom Remodeling in Highland
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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 Highland

Kitchen remodeling in Highland is as much about bringing the home’s infrastructure current as it is about cabinets and countertops. The average 1960s ranch kitchen in 92346 was built with a 40-amp stove circuit, two countertop outlets, and no exhaust ventilation to the outside, and none of that meets today’s code or today’s cooking habits. Our Kitchen Remodeling work here typically includes panel and wiring upgrades, appliance circuit additions, proper range hood venting, and correcting original drainage and supply lines before the finish materials ever go in. Highland’s hot inland summers also make a real case for adding air conditioning vents or a mini-split in a remodeled kitchen, because a room with a 12,000-BTU range and no cooling is unusable for a third of the year.

Panel and electrical upgrades

Signs you need it

Your breakers trip when the microwave and toaster run at the same time, your panel is full, or it’s a Federal Pacific or Zinsco brand that insurers flag for replacement.

What it costs in Highland

Upgrading from a 100-amp panel to a 200-amp panel in a Highland ranch home typically runs $2,800 to $4,500, with the higher end applying when the service mast or meter base also has to move.

How we do it

We verify the existing service size, file the electrical permit through the City of Highland, coordinate with Southern California Edison for the disconnect/reconnect, install the new panel, and run dedicated circuits for the planned kitchen appliances.

Full kitchen replacement

Signs you need it

Cabinet face frames are separating, drawers no longer close square, the layout blocks the stove from the sink from the refrigerator, or you’re past the point where refacing would ever be worth the money.

What it costs in Highland

Full kitchen replacement in a Highland ranch, with mid-range cabinetry, quartz countertops, tile backsplash, and new plumbing fixtures, runs $22,000 to $45,000 depending on square footage and appliance selection.

How we do it

We demo to the studs, rough in electrical and plumbing to the new layout, patch and level the wallboard, install cabinetry and counters, then trim out with fixtures and finishes.

What Kitchen Remodeling Costs in Highland

Item Typical range in Highland
Panel upgrade to 200-amp $2,800 – $4,500
Full kitchen replacement $22,000 – $45,000
Countertop and backsplash replacement only $4,000 – $8,500

Will a Highland kitchen remodel require a panel upgrade?

Most 1950s-1970s homes in 92346 have 100-amp or smaller panels, and code requires dedicated circuits for major appliances, so yes, panel upgrades are common on Highland kitchen remodels. We’ll confirm during the estimate. Call (844) 934-0236 for a free assessment.

How long does a kitchen remodel take in Highland?

A full kitchen replacement in Highland typically takes 6 to 10 weeks from demo to final inspection, with panel and city inspection timing being the biggest variables. Smaller countertop and backsplash jobs finish in 1 to 2 weeks. Call (844) 934-0236 for a project-specific timeline.

Brands We Service in Highland

We install and service the ADU and building material brands Highland homeowners ask about most, including Abodu, Tuff Shed, and James Hardie. Siding, trim, and vent components are ordered directly from the manufacturers and staged locally, so turnaround stays predictable. See our brands for the full list.

Pricing for ADU Company in Highland, CA

Service Typical range in Highland
Panel upgrade to 200-amp $2,800 – $4,500
Full kitchen replacement $22,000 – $45,000
Countertop and backsplash replacement only $4,000 – $8,500
ADU construction (modular/prefab) $120,000 – $260,000
ADU construction (custom site-built) $200,000 – $450,000+
Garage or shed conversion to ADU $85,000 – $160,000
Bathroom remodel (standard) $14,000 – $32,000
Bathroom remodel (primary suite) $25,000 – $55,000

In Highland, the two things that push kitchen and ADU pricing upward most are panel and service-line upgrades and CAL FIRE wildfire-zone requirements for ember-resistant vents and roofing materials. We quote fixed prices with line-item detail, and the number we give you is the number you pay unless you change the scope.

Neighborhoods We Serve in Highland

We work across all of 92346, from the older ranch tracts along Baseline Street to the larger-lot properties up toward the foothills and the newer developments on the east side of town near the East Highlands Ranch area.

  • East Highlands Ranch
  • Baseline corridor
  • Highland foothills
  • Historic core near City Hall
  • North Highland

Most Highland neighborhoods are within a 30- to 45-minute drive of our base, so estimates and follow-up visits are scheduled directly, no waiting on a far-off dispatch window.

Service Area – Cities Near Highland

We take projects in Highland and the surrounding communities. Homeowners in San Bernardino, CA call us for the same ranch-era kitchen and panel work, and we service Muscoy, CA properties with septic and larger lots. Redlands, CA brings more historic-home remodels, and Loma Linda, CA often involves older homes with similar 1960s infrastructure.

Serving Highland, CA — Our Local Coverage Area

We’re based in the Highland 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 Highland

Ready to get started? Free estimates · Free written quotes response in Highland
Call (844) 934-0236

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 Highland 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."

— Heather Ackerman

"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."

— Diego Castillo

"Sound insulation between the unit and the main house is better than I expected. You genuinely cannot hear the tenant."

— Malik Nash

How It Works in Highland

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 Highland — 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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