ADU Company in Santa Ana — 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 Santa Ana, CA

Kitchen remodeling in Santa Ana usually means working inside a 1920s-to-1960s bungalow or tract home where the original footprint was never designed for how families cook today. We see closed-off galley kitchens, single circuits running the whole room, and unpermitted additions from decades past that have to be reconciled before any new work gets permitted. Santa Ana’s hot, dry summers and Santa Ana wind events also mean venting, insulation, and material choices have to be specified for heat, not just aesthetics. Home Base ADU Builders handles the full Kitchen Remodeling scope, from permit drawings to finished countertops. Call (866) 403-9834 to schedule a free estimate.

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Why Santa Ana Homes Are Different

Most of Santa Ana’s housing stock dates to the early and mid 20th century, and a lot of those homes have picked up unpermitted work along the way. We regularly walk into kitchens where someone closed in a back porch in the 1970s or added a laundry room without pulling permits, and all of that has to be brought into compliance as part of a remodel. In the older core, homes run on narrow lots with detached garages at the rear alley, so access for demolition and material delivery is tighter than in newer Orange County subdivisions.

Climate matters here too. Santa Ana winds push dry, hot air through the canyons in fall, and summer temperatures regularly sit in the high 80s and 90s. A kitchen remodel that ignores cross-ventilation, range hood exhaust, and attic insulation will create a room nobody wants to cook in by August. We specify exterior venting for all gas ranges and upgrade wall and ceiling insulation where the original bungalow never had any. Older homes also carry knob-and-tube wiring remnants and 60-amp panels that cannot support a modern kitchen without replacement, so electrical scope is part of almost every Santa Ana job we quote.

Permits in Santa Ana move faster when the drawings are clean the first time. Unpermitted prior work is the single biggest schedule killer we see, so our estimating process includes a records and site check before the first number goes in front of the homeowner.

Our Main Santa Ana Services

Santa Ana homeowners call us most often about two projects: building an ADU in the back yard, and remodeling a bathroom in one of the city’s older homes. Both run into the same local realities, from unpermitted existing structures to tight rear-yard access and the city’s parking-replacement rules.

ADU Builders in Santa Ana

Garage-to-ADU conversions are the most common path in Santa Ana’s older neighborhoods, where detached garages already sit at the rear alley and utilities are close enough to make the conversion practical. The catch is parking: Santa Ana requires the lost parking to be replaced, usually with a carport, and that decision has to be designed in before anything else moves. We work across prefab and custom build paths so the recommendation fits the lot, not the other way around. See how we handle Santa Ana-specific ADU permitting and design in our dedicated guide: ADU Builders in Santa Ana.

ADU Builders in Santa Ana

Bathroom Remodeling in Santa Ana

Santa Ana’s original bathrooms are small by modern standards, and decades of pipe and tile decay are usually hidden behind the walls. Cast-iron drains from the 1940s and 1950s are reaching end of life, and we regularly find floor joists that have been wet for years under failing shower pans. A Santa Ana bathroom remodel almost always includes subfloor repair, drain replacement, and upgraded ventilation to handle our dry, dusty climate. We run bathroom and ADU work under one contract so homeowners with both projects aren’t juggling two crews. Details are on our Bathroom Remodeling in Santa Ana page.

Bathroom Remodeling in Santa Ana
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  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 making a room pretty and more about fixing what the original builder never planned for: code-compliant electrical, real ventilation, and a layout that works for a family that actually cooks. Most of the kitchens we remodel in this city were built between the 1920s and 1960s, and nearly all of them have at least one unpermitted modification from a previous owner that the city will want addressed before new work is signed off. Add in Santa Ana’s summer heat and the wind events that coat every horizontal surface in fine dust, and a remodel here has to be designed for durability, not just looks. We plan the whole project, from the first measurement to the final inspection, so the homeowner only deals with one contractor and one schedule. That’s the point of our single-contractor approach to kitchen work, and our Kitchen Remodeling service covers every phase.

Full Kitchen Gut and Rebuild

Signs you need it

Your cabinets are pulling away from walls that were never square, the plaster is failing around window openings, and the existing floor has settled more than an inch from original grade.

What it costs in Santa Ana

A full kitchen gut and rebuild in Santa Ana typically runs $55,000 to $130,000 depending on structural corrections, cabinet grade, and appliance level.

How we do it

We open the walls, correct framing and electrical deficiencies, move plumbing where the new layout requires it, then rebuild with new drywall, insulation, flooring, cabinets, and counters before the final inspection.

Kitchen Refresh Without Moving Walls

Signs you need it

The layout still works but the surfaces are worn out: chipped tile counters, drawer slides that stick, a range vent that just recirculates smoke back into the room, and an electrical setup that trips when the microwave and toaster run at once.

What it costs in Santa Ana

A no-wall-movement kitchen refresh in this city typically lands between $25,000 and $60,000, with most of the variance in cabinet refacing versus replacement and countertop material choice.

How we do it

We replace cabinet doors and hardware, set new counters, upgrade the vent hood and lighting to current code, and swap in dedicated circuits where the old wiring cannot safely carry the load.

What Kitchen Remodeling Costs in Santa Ana

Item Typical range in Santa Ana
Full kitchen gut and rebuild $55,000 – $130,000
Kitchen refresh, no wall changes $25,000 – $60,000
Cabinet refacing and new counters $8,000 – $20,000

Can I remodel my kitchen with unpermitted work already in the house?

Yes, but the unpermitted portion has to be reviewed and either corrected or incorporated into the new permit before the city will sign off. Most Santa Ana homes we see have some prior unpermitted work, so this is a normal part of our estimating walkthrough, not a surprise we spring later.

Will the kitchen be usable during the remodel?

Not fully. A full gut kitchen is out of service for several weeks, so most Santa Ana clients set up a temporary cooking station in the garage or laundry room. For smaller refreshes we schedule work in phases so the sink and stove are down for the shortest stretch possible. Call (866) 403-9834 and we’ll walk through what your specific remodel timeline looks like.

Brands We Service in Santa Ana

We service and install ADUs from a set of established manufacturers rather than pushing one product. That includes Abodu and Plant Prefab on the prefab side, Tuff Shed for budget-driven conversion shells, and James Hardie fiber-cement exterior finishes across our builds. We stock common replacement parts locally and can typically source Santa Ana-specific trim and panels within the week. See what each brand actually delivers by visiting our brands.

Pricing for ADU Company in Santa Ana, CA

Service Typical range in Santa Ana
Full kitchen gut and rebuild $55,000 – $130,000
Kitchen refresh, no wall changes $25,000 – $60,000
Cabinet refacing and new counters $8,000 – $20,000
Prefab ADU, installed $120,000 – $280,000
Custom ADU, ground-up $250,000 – $550,000
Garage conversion to ADU $80,000 – $160,000
Tuff Shed-based ADU $90,000 – $150,000
Bathroom remodel $15,000 – $45,000
Carport addition for ADU parking replacement $12,000 – $25,000

Two things push Santa Ana pricing higher than a comparable job in a newer city: unpermitted prior work that has to be corrected, and the parking-replacement requirement on garage conversions, which usually means engineering and building a carport the project wouldn’t otherwise need. Every quote we give is line-itemed and fixed before we start, so the number you approve is the number you pay unless you change the scope yourself.

Neighborhoods We Serve in Santa Ana

We work across all Santa Ana ZIP codes including 92701, 92702, 92703, and 92799. The neighborhoods break into a few rough groups: the historic core around downtown and French Park, the mid-century tracts of Floral Park and Morrison Park, the alley-loaded blocks of Willard and Artesia Pilar, and the newer south-side subdivisions near South Coast Metro. Response time for an estimate visit anywhere in Santa Ana is typically within a few business days.

  • Floral Park
  • French Park
  • Morrison Park
  • Willard
  • Artesia Pilar

Service Area – Cities Near Santa Ana

Home Base ADU Builders is based in Fountain Valley and serves the surrounding Orange County cities. If your property is in a neighboring city, we also work regularly in Tustin, CA, North Tustin, CA, Fountain Valley, CA, and Orange, CA. Santa Ana’s permit process and older housing stock are what we deal with daily, but the same building codes and material standards apply across the county.

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 · Free written quotes response in Santa Ana
Call (866) 403-9834

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

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

— Colleen Pruitt

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

— Priya Mehta

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

— Luis Garcia

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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Areas We Serve
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