ADU Company in Tustin — 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 Tustin, CA

Kitchen remodeling in Tustin runs $38,000 to $95,000 for a full renovation and most projects take six to ten weeks. Tustin’s 1950s and 1960s ranch homes, especially in Old Town and the tracts off Irvine Boulevard, have kitchens that were built for a different era: closed off, underpowered, and tight on storage. The warm, dry climate means indoor-outdoor flow matters more here than in coastal cities, and a kitchen that opens to a shaded patio or backyard adds usable square footage for most of the year. Call (855) 617-6356 for a free estimate.

Call (855) 617-6356

Why Tustin Homes Are Different

Tustin’s housing stock tilts heavily toward single-story ranch and tract homes from the 1950s through the 1970s. The older neighborhoods off Irvine Boulevard, Red Hill Avenue, and around Old Town sit on generous lots with detached rear garages, many facing alleys. That layout creates both opportunity and friction: a detached ADU or garage conversion fits naturally, but mature citrus and avocado trees sit exactly where a new structure wants to go, and Tustin’s tree protection rules can shift a footprint by several feet. Utility runs become the deciding factor more often than design. Many of these homes still carry original 100-amp electrical panels, so any ADU or kitchen remodel that adds a second appliance set, mini-split HVAC, or an induction cooktop usually needs a panel upgrade first. Closer to the Tustin Legacy area and the former Marine Corps Air Station land, newer infill and two-story builds sit on tighter lots where attached ADUs and garage conversions are the only options that pencil out. The climate shapes finishes too: hot Santa Ana wind days mean insulation, shading, and low-maintenance exterior materials like James Hardie fiber cement hold up better than wood that bakes in the inland sun. We plan around all of it, because these are the conditions that determine what actually gets built.

Our Main Tustin Services

Two services make up most of what Tustin homeowners ask us about: building ADUs and remodeling bathrooms. Both exist inside the same reality here: older homes, tight utility capacity, and lots with tree or easement constraints that need a contractor who has already worked through them.

ADU Builders in Tustin

ADUs in Tustin are shaped by lot geometry more than any other single factor. The ranch-era homes in Old Town and the citrus tracts often have detached garages on rear alleys, which makes garage conversions and backyard detached units the two most common paths. But mature trees, legacy easements, and distance from the utility panel all influence what can be built, where, and at what cost. We work across prefab, modular, and site-built methods, including brands like Abodu, Cover, and Dvele, so the construction approach matches the lot instead of forcing the lot to match a product. Learn more about how we approach these projects on our ADU Builders in Tustin page.

ADU Builders in Tustin

Bathroom Remodeling in Tustin

Bathrooms in Tustin’s older homes are small, often original, and rarely ventilated well for the dry inland climate. A bathroom remodel here usually means reworking a 5-by-8 footprint, adding a proper exhaust fan, and upgrading the supply lines and drain that have been in place for fifty years. When the bathroom is part of an ADU build, the plumbing and electrical work gets planned together so the new unit doesn’t overload the main panel. We handle both scopes under one contract, from rough plumbing through tile and fixtures. Details are on our Bathroom Remodeling in Tustin page.

Bathroom Remodeling in Tustin
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Call (855) 617-6356

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 Tustin

A kitchen remodel in Tustin usually means opening up a closed-off galley in a 1950s or 1960s ranch home, upgrading the panel, and adding the indoor-outdoor connection that makes sense in this climate. Most of the kitchens we see in Old Town and the Irvine Boulevard tracts were built with a single wall of cabinets, no island, and no path to the backyard. The dry, warm weather means a kitchen that flows to a covered patio gives the house a second living space for eight or nine months of the year. We plan the electrical, plumbing, and structural work together with the finishes, so the project doesn’t stall between trades. For more on how we approach the full scope, see our Kitchen Remodeling page.

Full Kitchen Gut and Rebuild

Signs you need it

The layout hasn’t changed since the house was built, cabinet boxes are water-damaged or delaminating, and the electrical can’t support the appliances you actually use.

What it costs in Tustin

A full gut and rebuild in Tustin typically runs $52,000 to $95,000, depending on structural changes, cabinet grade, and appliance selection.

How we do it

We start with demolition to the studs, then rough in new electrical and plumbing, patch and level the subfloor, install cabinets and counters, and finish with tile, lighting, and appliance hookup.

Kitchen Refresh with New Countertops and Backsplash

Signs you need it

The cabinet boxes are solid but the surfaces are dated, scratched, or cracked, and the layout still works for how you cook.

What it costs in Tustin

A surface-level refresh with new counters, backsplash, sink, and hardware in Tustin usually lands between $18,000 and $38,000.

How we do it

We remove the existing counters without disturbing the cabinet boxes, template and install new surfaces, replace the sink and faucet, then tile the backsplash and reinstall hardware.

What Kitchen Remodeling Costs in Tustin

Item Typical range in Tustin
Full kitchen gut and rebuild $52,000 – $95,000
Kitchen refresh (counters, backsplash, sink) $18,000 – $38,000
Material + labor for a standard 10×12 kitchen $40,000 – $70,000

Two things push kitchen pricing up in Tustin more than anywhere else: panel upgrades on the original 100-amp service that most 1950s and 1960s homes still carry, and surprise conditions behind the walls, like aluminum wiring or cast-iron drain lines. We write fixed-price quotes with a line-item breakdown so you know what’s included before we start.

How long does a kitchen remodel take in Tustin?

Most full kitchen remodels in Tustin take six to ten weeks. A surface refresh with new counters and backsplash usually wraps in two to three weeks.

Will you handle the permit for my Tustin kitchen?

Yes. We pull permits with the City of Tustin for any structural, electrical, or plumbing work, and we schedule the inspections. Fixed-price quotes include permit fees. Call (855) 617-6356 to get your exact quote.

Brands We Service in Tustin

We install and service a focused set of brands that fit Tustin’s housing stock and climate, including James Hardie fiber cement siding and trim, plus prefab ADU systems from Abodu and Cover. Our our brands page has the full list. Parts for these brands are stocked at our regional suppliers, so most Tustin jobs don’t stall waiting on materials.

Pricing for ADU Company in Tustin, CA

Service Typical range in Tustin
Full kitchen gut and rebuild $52,000 – $95,000
Kitchen refresh (counters, backsplash, sink) $18,000 – $38,000
Standard 10×12 kitchen material + labor $40,000 – $70,000
Electrical panel upgrade (100A to 200A) $2,500 – $5,000
Ductless mini-split HVAC (single zone) $3,000 – $6,000
Full bathroom remodel $18,000 – $35,000
Detached ADU (site-built, turnkey) $250 – $400 per sq ft
Garage conversion ADU $150 – $250 per sq ft

Prices in Tustin move up when a job requires a panel upgrade, tree protection measures, or longer utility trenching across a deep lot. Every quote we write in Tustin is fixed-price with a line-item breakdown, so the number we agree on is the number you pay.

Neighborhoods We Serve in Tustin

We work across Tustin’s residential neighborhoods, from the old ranch lots in Old Town to the newer infill around Tustin Legacy. Each area has its own pattern: alley-fed detached garages near Irvine Boulevard, citrus-era lots off Red Hill, tighter two-story infill closer to the former base land.

  • Old Town
  • Tustin Legacy
  • Irvine Boulevard corridor
  • Red Hill Avenue area
  • Cowdry Heights

We can usually get a first look at a Tustin property within a few days of your call, depending on the current schedule.

Service Area – Cities Near Tustin

Beyond Tustin, we take on projects in nearby cities with similar housing stock and lot patterns. We work regularly in North Tustin, CA, where the lots are larger and the tree canopy is heavier. We also cover Santa Ana, CA, Irvine, CA, and Orange, CA, mostly for ADU and kitchen or bath work on older single-family homes.

Serving Tustin, CA — Our Local Coverage Area

We’re based in the Tustin 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 Tustin

Ready to get started? Free estimates · Written quotes before work starts response in Tustin
Call (855) 617-6356

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 Tustin Customers Say

★★★★★ 4.8 from 4+ reviews

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

— Justin Kim

"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."

— Rachel Brooks

"Detached unit in the back yard. Utilities trenched, separate meter, and it passed final on the first inspection."

— Cole Schaefer

How It Works in Tustin

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 Tustin — 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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