ADU Company in Highgrove — 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 Highgrove, CA

Kitchen remodeling in Highgrove means working with older ranch and mid-century homes where original layouts, outdated wiring, and decades of Inland Empire heat have taken their toll. We’re Casita ADU Builders, and while ADUs are our core focus, our in-house kitchen remodeling team handles the full interior scope so a new ADU or a main-house update finishes under one contract. Most Highgrove kitchens we see were built before current electrical codes, before open-concept living existed, and before anyone thought about how a 105-degree Riverside County afternoon would punish a poorly vented cooktop. Call (877) 658-7475 and we’ll walk the space with you.

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Why Highgrove Homes Are Different

Highgrove sits in unincorporated Riverside County, which changes the ADU and remodeling conversation before a single wall is touched. Your project is reviewed directly by Riverside County’s Planning and Building departments, not a city hall, and that means a different plan-check sequence, different fire-access expectations, and often different setback rules than homeowners in neighboring Riverside or Grand Terrace deal with. On the large half-acre-plus lots and older ranch properties along the 92313 corridor, county fire-access and turnaround requirements on rural-style parcels become the real gating items, not the interior scope.

The housing stock itself is dominated by single-story ranch and mid-century tract homes, many with detached garages, barns, or outbuildings. Those structures are frequently the best ADU candidates on the lot, and the generous setbacks leave genuine room for a detached unit without crowding the main house. But the same era that gave Highgrove those big lots also gave it original kitchens with single-circuit electrical, no dedicated appliance runs, and ventilation that was never designed for the kind of sustained summer heat this part of the Inland Empire delivers. Remodeling or building here means planning for dust, strong afternoon sun, and correctly sized HVAC from day one.

Our Main Highgrove Services

Highgrove homeowners call us most often about two things: adding an ADU to a county-regulated lot, and bringing a worn bathroom up to modern standard under the same roof-contract philosophy. Here’s what each involves locally.

ADU Builders in Highgrove

Highgrove’s unincorporated county status means your ADU permit path runs through Riverside County Planning and Building, which reviews setbacks, fire access, and utility connections differently than a city building department would. Our team works across prefab brands like Abodu, Cover, and Boxabl, plus Tuff Shed conversion builds, so the unit matches your lot’s actual constraints rather than a catalog page. Detached garages and older outbuildings on 92313 properties are often prime conversion candidates. See how we approach ADU Builders in Highgrove from first site visit to final inspection.

ADU Builders in Highgrove

Bathroom Remodeling in Highgrove

Older Highgrove ranch homes frequently carry original bathrooms with cast-iron plumbing, single vanity layouts, and exhaust fans that vent into an attic already baking at 120 degrees in July. Our in-house bathroom team handles the full interior scope, often paired with an ADU build so the new unit’s bath and the main house’s bath finish under one contract. Ventilation, waterproofing, and walk-in shower layouts built for multigenerational use are the recurring asks here. Read more about Bathroom Remodeling in Highgrove and how we sequence a county-permitted job.

Bathroom Remodeling in Highgrove
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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 Highgrove

Kitchen remodeling in Highgrove usually starts with a house built between the 1950s and 1970s where the original galley layout no longer works, the electrical panel can’t support modern appliances, and the ventilation was never sized for Inland Empire summer cooking. County jurisdiction adds a layer: any structural or electrical scope runs through Riverside County’s plan-check and inspection process, so we sequence the work to keep inspections moving without surprises. Our Kitchen Remodeling team handles the full interior scope in-house, from demo to finish, under the same contract philosophy we use on every ADU build.

Full-Gut Kitchen Remodel

Signs you need it

Your Highgrove kitchen still has the original single-circuit wiring, the cabinets are pulling away from studs, and the layout puts the refrigerator in a different zip code from the prep area.

What it costs in Highgrove

A full-gut kitchen remodel in Highgrove typically runs $45,000 to $75,000 depending on appliance specs, electrical panel upgrades, and how much of the original framing can be reused.

How we do it

We strip to studs, upgrade the electrical and plumbing to current Riverside County code, re-insulate against Highgrove’s summer heat, then rebuild the layout with new cabinetry, counters, and ventilation sized for the Inland Empire.

Cabinet Refacing and Countertop Replacement

Signs you need it

The cabinet boxes are solid but the doors are delaminating from years of dry heat, and the laminate counters are burned, chipped, or separating at the seams.

What it costs in Highgrove

Cabinet refacing with new countertops in Highgrove typically runs $15,000 to $25,000, with material choice shifting the number meaningfully.

How we do it

We refit doors, drawer fronts, and hardware to the existing boxes, replace the counter surfaces, and update the sink and faucet runs so the whole kitchen reads as new without a full gut.

Kitchen Island and Layout Reconfiguration

Signs you need it

The original Highgrove galley layout boxes in the cook, blocks the back door, and wastes the wide lot’s natural light that should be reaching the work zone.

What it costs in Highgrove

A kitchen island addition with layout changes in Highgrove typically runs $20,000 to $35,000, including the structural work, new electrical runs, and finish materials.

How we do it

We remove the offending wall or peninsula, reroute the mechanicals to code, and build an island sized to the room’s actual dimensions, all through Riverside County’s inspection sequence.

What Kitchen Remodeling Costs in Highgrove

Item Typical range in Highgrove
Full-gut kitchen remodel $45,000 – $75,000
Cabinet refacing + new countertops $15,000 – $25,000
Kitchen island and layout reconfiguration $20,000 – $35,000

What pushes a Highgrove kitchen project toward the top of those ranges is usually the electrical panel: older ranch homes here often need a service upgrade before a single new appliance circuit goes in. Drywall and insulation work tied to summer heat mitigation adds cost too. Every quote we write is a fixed line-item price, and it does not change once work starts unless you change the scope.

How long does a kitchen remodel take in Highgrove?

A full-gut kitchen in Highgrove typically runs 6 to 10 weeks from first demo to final inspection; refacing and counter work lands closer to 3 to 5 weeks. Riverside County inspection scheduling can add a few business days between phases, so we build that buffer into every timeline we give you up front.

Will my Highgrove kitchen remodel need county permits?

Yes, for any electrical, plumbing, or structural scope, because Highgrove is unincorporated and Riverside County reviews and inspects the work directly. We pull every required permit, schedule the inspections, and do not start covered work until the county signs off each phase. Call (877) 658-7475 for a project-specific permit read.

Brands We Service in Highgrove

We work across the leading prefab and modular manufacturers, including Abodu, Cover, and Tuff Shed for shed-conversion ADUs, plus James Hardie fiber-cement exteriors on our builds. That brand-agnostic access means your Highgrove project gets matched to the right product for your lot, not the only one on a single dealer’s shelf. See our brands for the full lineup.

Pricing for ADU Company in Highgrove, CA

Service Typical range in Highgrove
Kitchen remodel – full gut $45,000 – $75,000
Kitchen remodel – cabinet refacing + countertops $15,000 – $25,000
Kitchen remodel – island and layout reconfiguration $20,000 – $35,000

Highgrove pricing shifts upward when a property needs a heavier electrical service upgrade, when the original framing requires more structural correction than expected, or when summer scheduling puts materials demand at its peak. What we quote is what you pay: fixed, line-item, no change orders unless you add scope.

Neighborhoods We Serve in Highgrove

We cover all of Highgrove’s 92313 corridor, including the older ranch pockets and mid-century tracts that define the area. Response time for an estimate visit is typically within a few business days across the entire Highgrove footprint.

  • Highgrove town center and the 92313 corridor
  • Older ranch properties south of Center Street
  • Mid-century tracts north of the 215
  • Large-lot parcels near the county line toward Grand Terrace

Service Area – Cities Near Highgrove

Casita ADU Builders serves Highgrove and the surrounding Inland Empire communities, so if your property sits near a neighboring jurisdiction you are still in our coverage area. We work regularly in Grand Terrace, CA, Colton, CA, Loma Linda, CA, and Rubidoux, CA. Each has its own permit path, and we know which one applies to your address.

Serving Highgrove, CA — Our Local Coverage Area

We’re based in the Highgrove 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 Highgrove

Ready to get started? Free estimates · Free written quotes response in Highgrove
Call (877) 658-7475

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 Highgrove Customers Say

★★★★★ 4.8 from 4+ reviews

"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."

— Aisha Prince

"Knew the local setback and parking rules cold, which saved us from designing something that would never have been approved."

— Maria Martinez

"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."

— Arjun Singh

How It Works in Highgrove

Getting your adu handled is simple and fast.

1

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2

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

3

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