ADU Company in Santa Ana — One Fixed Price, Permits Handled

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 Santa Ana, CA

Kitchen remodeling in Santa Ana means working with 1920s-to-1970s stucco homes where the original footprint, old electrical panels, and shallow footings dictate what’s possible. We’re Fullerton ADU Builders, and our kitchen work here focuses on layouts that fit narrow lots and older framing without pretending the house is something it isn’t. We also build ADUs and remodel bathrooms, but most Santa Ana homeowners call us first about the kitchen, because that’s where the daily friction lives. Call (877) 801-4497 for a free estimate on any of it.

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Why Santa Ana Homes Are Different

Santa Ana’s housing stock is older and denser than most of Orange County. The dominant pattern is single-story stucco-over-wood-frame construction from the 1920s through the 1970s, built on narrow lots with detached garages at the alley line. Many of those garages have already been converted, sometimes without permits, and plenty of homes still carry original electrical panels that were sized for a 60-amp world. When we open up a Santa Ana kitchen, we expect to find shallow footings, older sewer laterals, and framing that has moved over six or seven decades. None of that is a reason to avoid the project. It’s a reason to price it honestly from the start.

The climate matters too. Santa Ana sits in a coastal-influenced Mediterranean zone, which sounds mild until the Santa Ana winds push hot, dry air through the canyon in September and October. Kitchens here need ventilation that actually moves air, windows that don’t turn the room into a greenhouse by 3 p.m., and materials that won’t swell or crack when winter rain finally arrives. The neighborhoods east of the 55 freeway are mostly tract homes with repeatable floor plans. The historic districts west of downtown, especially Lacy and Wilshire Square, are a different job entirely, with 1920s garages, shared driveways, and design review layers that shape what can and cannot change.

Our Main Santa Ana Services

Santa Ana homeowners usually reach out about one of two things: adding an ADU to a lot that already has an alley-facing garage, or bringing a dated bathroom up to modern standard before the plumbing fails outright. Both are jobs we handle regularly in this city.

ADU Builders in Santa Ana

Santa Ana is one of the most ADU-active cities in Orange County, largely because so many properties already have a rear structure at the alley line. A garage conversion or replacement is often the fastest path to a rentable unit here, and the city’s permitting process has become a model for unpermitted-garage-to-ADU conversions across central OC. We work through the foundation, power, and utility tie-in questions that come with older rear structures, and we match the unit to the lot rather than pushing one product. See the full breakdown on our ADU Builders in Santa Ana page.

ADU Builders in Santa Ana

Bathroom Remodeling in Santa Ana

Most Santa Ana bathrooms were built small, and the plumbing inside the walls is often original to the house. We see galvanized supply lines, cast iron drains, and subfloor rot where showers have been leaking into 1950s framing. A bathroom remodel here is rarely a cosmetic swap. It’s a repair project with a finish layer on top, and we price it that way so there are no surprises when the wall comes open. Details on scope and cost are on our Bathroom Remodeling in Santa Ana page.

Bathroom Remodeling in Santa Ana
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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 Santa Ana

Kitchen remodeling in Santa Ana is less about gutting a room and more about correcting sixty years of piecemeal updates. The homes here were built with small, closed-off kitchens, and many had a 1970s “update” layered on top of 1940s plumbing and a 200-amp panel that is now maxed out. Our Kitchen Remodeling work in this city focuses on layouts that work within the original footprint, electrical upgrades that meet current code, and finishes that hold up to Santa Ana’s hot, dry summers and occasional winter downpours. We expect to find surprises behind the stucco, and we plan for them in the estimate instead of springing them as change orders.

Full Kitchen Remodel

Signs you need it

Your cabinets are pulling away from the studs, the layout traps two people in a corner, or the electrical panel can’t support a modern range and refrigerator at the same time.

What it costs in Santa Ana

A full kitchen remodel in Santa Ana typically runs $35,000 to $85,000 depending on whether we’re moving plumbing, replacing the electrical panel, or keeping appliances in place.

How we do it

We start with an on-site walkthrough to map the existing framing, plumbing, and electrical, then produce a fixed-price written scope before any demolition begins.

Kitchen Cabinet Replacement

Signs you need it

The cabinet boxes are still square but the doors are delaminating, or the layout works and you don’t want the cost or mess of a full tear-out.

What it costs in Santa Ana

Cabinet replacement in Santa Ana usually lands between $8,000 and $18,000, with the spread driven by whether you’re refacing or swapping in new boxes.

How we do it

We measure the existing runs, order pre-finished boxes and doors sized to the opening, and install them over two to four days without touching the plumbing or electrical.

Countertop and Backsplash Replacement

Signs you need it

Your laminate counters are bubbling at the seams, or the tile backsplash has cracked grout that’s letting moisture reach the drywall behind it.

What it costs in Santa Ana

Countertop and backsplash replacement in Santa Ana runs $3,000 to $9,000 depending on material, linear footage, and whether the existing counters come out cleanly.

How we do it

We template the countertop, pull the old surface without damaging the cabinet boxes, and set the new stone or quartz with a new backsplash in a single sequence.

What Kitchen Remodeling Costs in Santa Ana

Item Typical range in Santa Ana
Full kitchen remodel $35,000 – $85,000
Cabinet replacement $8,000 – $18,000
Countertop and backsplash replacement $3,000 – $9,000

What pushes a Santa Ana kitchen toward the top of that range is usually the electrical panel. Homes built before 1970 often need a panel upgrade or a subpanel run to the kitchen before we can pass inspection on the new circuits, and that’s a real line item. Foundation and drain access under older slab floors can also add cost when the layout moves.

How do I know if my Santa Ana kitchen needs a panel upgrade?

If your panel is original to a home built before 1970, it’s likely undersized for a modern kitchen with a range, microwave, and dishwasher running at once. We check the panel rating and load during the walkthrough and include any upgrade in the fixed quote.

Will a kitchen remodel on an old Santa Ana home hit hidden costs?

Older homes hide things behind stucco and lath: rotted sill plates, galvanized supply lines, or electrical that was never permitted. We plan for the likely issues in Santa Ana’s housing era and write the fixed price to include them, not as change orders later.

Brands We Service in Santa Ana

We specify James Hardie fiber cement for exterior work on Santa Ana ADUs because it’s built to take the dry wind and occasional heavy rain without warping or needing repainting every few years. On the prefab side, we work with Abodu, Cover, and Dvele, among others, and match the brand to the lot rather than the other way around. See our brands for the full picture.

Pricing for ADU Company in Santa Ana, CA

Service Typical range in Santa Ana
Full kitchen remodel $35,000 – $85,000
Kitchen cabinet replacement $8,000 – $18,000
Countertop and backsplash replacement $3,000 – $9,000

Santa Ana prices run higher than newer Orange County tract homes when the job involves an original panel, a sewer lateral that’s been in the ground since the Eisenhower administration, or a layout that has to work around load-bearing walls we can’t move without engineering. What we quote is what you pay. We write fixed prices with a line-item scope, and if we find something behind the wall, we stop and talk before touching it. Call (877) 801-4497 for a written estimate.

Neighborhoods We Serve in Santa Ana

We work across Santa Ana, from the historic districts west of downtown to the tract neighborhoods east of the 55. Most of our jobs fall into a few repeatable patterns depending on the era and lot type.

  • Lacy and Wilshire Square historic districts
  • French Park and Floral Park
  • Delhi neighborhood
  • Eastside tracts near Jerome Park
  • Riverview West

We schedule estimates across all four Santa Ana ZIP codes – 92701, 92702, 92703, and 92799 – and typically have a crew on site within two to three weeks of a signed contract, depending on the scope.

Service Area – Cities Near Santa Ana

Our work in Santa Ana regularly takes us into the surrounding cities, where the housing stock and permit processes shift just enough to matter. We serve Tustin, CA, North Tustin, CA, Fountain Valley, CA, and Orange, CA with the same fixed-price, line-item approach we use on every Santa Ana project.

Serving Santa Ana, CA — Our Local Coverage Area

We’re based in the Santa Ana 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 Santa Ana

Ready to get started? Free estimates · Written quotes before work starts response in Santa Ana
Call (877) 801-4497

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 Santa Ana 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."

— Tim Padgett

"The kitchenette layout he suggested made better use of the space than the one on our original sketch."

— Marisol Guzman

"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."

— Greg Reed

How It Works in Santa Ana

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 Santa Ana — 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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