ADU Company in Santa Ana — Plans, Permits & Build, One Fixed Price

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 inside homes built between the 1920s and 1950s, where the original footprint is tight, the plumbing is cast iron, and the electrical panel was sized for an era before dishwashers and microwaves. Silverleaf ADU Builders handles that reality every week: we open up small galley kitchens in Spanish Colonial bungalows, bring the wiring and gas lines current, and tie the new kitchen into the same permit package homeowners often need for an ADU at the rear of the lot. Call (833) 404-5214 to talk through what your kitchen actually needs.

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Why Santa Ana Homes Are Different

Santa Ana is the densest city in Orange County, and its core neighborhoods were built before 1960 on lots that rarely exceed 6,500 square feet. The typical home is a California bungalow or Spanish Colonial Revival stucco with a detached single-car garage at the back of a shallow lot, usually reached by a paved alley. That alley garage is the single most common ADU conversion target in ZIPs like 92701, 92703, and 92704, and it is also where we find the problems no brochure mentions: unpermitted 1970s conversions, knob-and-tube wiring still feeding a subpanel, and slab foundations poured without rebar or proper footings. Santa Ana’s building department sees these conditions constantly, which means a permit package has to account for legalizing old work before new square footage gets approved.

The climate adds its own layer. Santa Ana sits in a semi-arid coastal basin with mild winters and hot, dry Santa Ana wind events every fall. A west-facing kitchen or ADU wall with too much glazing becomes uncomfortable in September and October, so we plan shading and cooling into the design rather than treating them as afterthoughts. There is almost no heating load to worry about, but drainage on flat or low-slope garage roofs needs to be right the first time. These are the details that make a Santa Ana project different from one in Irvine or Tustin, and they are the details we build around.

Our Main Santa Ana Services

Most Santa Ana homeowners call us about one of two things: building an ADU on an alley-served lot, or remodeling a bathroom in a home that has not been touched since the Nixon administration.

ADU Builders in Santa Ana

Santa Ana’s ADU work is dominated by garage conversions and second-story-over-garage builds, not the detached backyard casitas people picture from South County marketing photos. A typical project starts with a rear garage off a paved alley, often with prior unpermitted work, an undersized electrical panel, and a slab that may or may not support a second story. We handle the permitting path, the structural evaluation, the utility tie-ins, and the interior finish as one scope. Whether the right answer is a modular system, a panelized build, or full site construction depends on the lot, not on a brand we happen to prefer. Read more on our dedicated page for ADU Builders in Santa Ana.

ADU Builders in Santa Ana

Bathroom Remodeling in Santa Ana

Bathroom remodeling in Santa Ana usually means working inside a 1930s or 1940s bungalow where the bathroom is five feet wide and the floor joists have settled. We deal with cast iron drains, limited wet-wall space, and the need to bring venting and waterproofing up to current code while keeping the original character intact. Because we also build ADUs, we already understand the plumbing, electrical, and permit realities of older Santa Ana homes, which makes the bathroom scope faster and cleaner. Our full approach is covered on the 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 means working within a 1920s-to-1950s floor plan where the kitchen was built for a single cook and a gas range, not for open shelving, islands, and ventilation hoods. The homes in ZIPs like 92701 and 92703 rarely have room to expand outward, so we work vertically and functionally: reconfiguring the existing footprint, relocating plumbing inside the same wall cavity where possible, and upgrading the electrical panel so the kitchen can actually handle modern appliances. Homeowners here often add the kitchen remodel into the same permit cycle as an ADU conversion, which keeps inspections consolidated and the construction schedule from dragging across two separate jobs. For a full breakdown of how we approach kitchens as a company, see Kitchen Remodeling.

Full Kitchen Reconfiguration

Signs you need it

The current layout blocks the back door when the oven is open, you can’t have two people in the kitchen at once, and the refrigerator sits against the only window.

What it costs in Santa Ana

A full kitchen reconfiguration in Santa Ana generally runs $25,000 to $55,000 depending on wall removals, plumbing relocations, and cabinet quality.

How we do it

We measure the existing footprint, build a 3D layout around how you actually cook and eat, move plumbing and electrical only where the framing allows, and install new cabinets, counters, and appliances in a single sequence.

Galley Kitchen Modernization

Signs you need it

Your 1940s galley kitchen has original tile counters, no dishwasher, and one electrical outlet feeding everything on the counter.

What it costs in Santa Ana

Galley kitchen modernization in Santa Ana typically costs $15,000 to $30,000 for new cabinets, counters, lighting, and a code-compliant appliance circuit.

How we do it

We keep the galley footprint, open the upper wall where possible for visual flow, run a new dedicated appliance circuit, and replace worn surfaces with materials sized for a narrow workspace.

What Kitchen Remodeling Costs in Santa Ana

Item Typical range in Santa Ana
Galley kitchen modernization $15,000 – $30,000
Full kitchen reconfiguration $25,000 – $55,000
Cabinet and counter replacement $10,000 – $22,000

What pushes the price up in Santa Ana is usually hidden inside the walls: cast iron drain lines that need replacement, knob-and-tube wiring that has to be decommissioned, and undersized panels that cannot feed a modern range and refrigerator without an upgrade. We write fixed, line-item quotes before work starts, so the number you agree to is the number you pay.

How long does a kitchen remodel take in Santa Ana?

A typical Santa Ana kitchen remodel runs three to six weeks from demolition to final inspection, with older homes trending longer because of electrical and plumbing corrections. We sequence the work to minimize weeks without a functioning sink. Call (833) 404-5214 for a timeline based on your specific kitchen.

Will the price change once work starts?

No. We write fixed, line-item quotes before work begins, and we do not issue change orders unless you ask for a scope change. Hidden conditions like undersized drain lines get priced into the initial walkthrough whenever possible. Call (833) 404-5214 to schedule your free estimate.

Brands We Service in Santa Ana

Silverleaf ADU Builders works across the leading prefab and modular ADU lines including Dvele, Mighty Buildings, and Plant Prefab, alongside full site-build capability. That brand-agnostic approach means we can match the right system to your Santa Ana lot, setback limits, and budget rather than forcing one product onto a project it doesn’t fit. See the full roster on our brands page.

Pricing for ADU Company in Santa Ana, CA

Service Typical range in Santa Ana
Galley kitchen modernization $15,000 – $30,000
Full kitchen reconfiguration $25,000 – $55,000
Cabinet and counter replacement $10,000 – $22,000
Bathroom remodel (compact, homeowner-supplied finishes) $8,000 – $18,000
Bathroom remodel (midrange, contractor-grade finishes) $15,000 – $30,000
Bathroom remodel (higher-end, custom tile and fixtures) $30,000 – $50,000
ADU garage conversion (compact studio) $70,000 – $110,000
ADU garage conversion (one-bedroom, full systems) $110,000 – $160,000
ADU second-story-over-garage build $160,000 – $250,000+
Detached ADU, site-built (studio to one-bedroom) $160,000 – $250,000+

In Santa Ana, the two biggest price drivers are lot conditions and prior work: an unpermitted 1970s garage conversion forces a legalization-and-rebuild path before the new unit gets signed off, and an undersized panel or knob-and-tube wiring adds electrical scope early. We give fixed, upfront pricing with written line items, so you are not guessing when the first inspection happens.

Neighborhoods We Serve in Santa Ana

We work throughout Santa Ana, from the historic bungalow streets of the central core to the alley-served lots that make this city’s ADU stock so distinctive. Our team is out in the field across the city most weekdays, and response within the Santa Ana area is typically same-day or next-day for new estimate requests.

  • French Park
  • Floral Park
  • Heninger Park
  • Wilshire Square
  • Mabury Park

Service Area – Cities Near Santa Ana

Silverleaf ADU Builders serves Santa Ana and the surrounding Orange County cities. Homeowners in Tustin, CA and North Tustin, CA call us for ADU and kitchen work on slightly larger lots, while Fountain Valley, CA and Orange, CA share Santa Ana’s older housing stock and many of the same permit realities. We work where the homes are old enough to have quirks worth understanding.

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 (833) 404-5214

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."

— Marcus Carter

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

— Carlos Guzman

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

— Kelly Kowalski

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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