ADU Company in Fullerton — Design, Permits and Build Under One Contract

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ADU Company in Fullerton, CA

Kitchen remodeling in Fullerton comes with a specific set of realities most general contractors miss. The city’s 1920s-40s Craftsman and Spanish Revival homes near downtown often have cramped galley kitchens never designed for modern appliances, while 1950s-60s ranch tract homes in the 92833 and 92835 areas carry dated layouts that fight against how families actually cook and gather today. Then there’s the Santa Ana wind season: hot, dry inland conditions that make ventilation, range hood sizing, and heat-resistant material choices real design considerations, not afterthoughts. At Holloway ADU Builders, we approach Fullerton kitchen projects the same way we approach ADUs: methodically, with a clear understanding of the structure you already have. Call (855) 617-6356 to schedule a free estimate.

Call (855) 617-6356

Why Fullerton Homes Are Different

Fullerton’s housing stock spans three distinct eras, and each one creates a different kitchen remodeling conversation. The pre-1940s bungalows concentrated around the downtown core, the SOCO area near Harbor Blvd and Commonwealth, are often charming and architecturally significant, but their kitchens were typically small service spaces with minimal electrical capacity and aging plumbing lines. The mid-century ranch homes that spread through the 92833 and 92835 ZIP codes have more square footage but commonly feature compartmentalized floor plans where the kitchen is walled off from the living areas. And the larger lots near the Coyote Hills and Sunny Hills areas, where hillside grades and detached garages built into slopes are common, present structural considerations that flat-lot homes never raise.

The climate matters too. Fullerton’s hot, dry inland conditions during Santa Ana events mean kitchens need properly sized ventilation and materials that hold up under temperature swings. Older homes often have undersized main panels, so adding a modern appliance package frequently requires an electrical upgrade before the first cabinet comes down. We plan for that up front.

Our Main Fullerton Services

Beyond kitchen remodeling, Fullerton homeowners call us for two other projects that often intersect with kitchen work: ADU construction and bathroom remodeling.

ADU Builders in Fullerton

Fullerton is one of the most ADU-active cities in North Orange County, and the pre-1940s downtown core creates a patchwork of historic overlay and older zoning that makes each project a site-specific puzzle. A garage conversion near Old Town faces different design review than a detached unit on a hillside lot off Bastanchury. Holloway ADU Builders works across the full spectrum: prefab, modular, site-built, and Tuff Shed conversions. We’ve served Fullerton since 2016, and we know when a Dvele panelized system beats a site-built approach on a tight urban lot. See how we approach each project on our ADU Builders in Fullerton page.

ADU Builders in Fullerton

Bathroom Remodeling in Fullerton

Many Fullerton bathrooms sit in the same aging homes as the kitchens, which means shared wall plumbing, older cast iron drain lines, and the same electrical constraints. When we remodel a Fullerton bathroom, we check the clay sewer laterals that are common in the 1920s-40s housing stock, because a new shower and vanity mean little if the drain line below is failing. We also handle the bathroom finishes inside ADUs, so if you’re building a detached unit and want it move-in ready, we can handle that under the same contract. Read more on our Bathroom Remodeling in Fullerton page.

Bathroom Remodeling in Fullerton
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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 Fullerton

Kitchen remodeling in Fullerton is rarely a simple cabinet swap. The city’s housing stock, split between century-old bungalows around downtown and 1960s ranch homes in the 92833 and 92835 areas, means every project starts with a structural and systems assessment. Hot, dry Santa Ana conditions put real demands on ventilation, and many older Fullerton homes need main panel upgrades before they can support a modern kitchen. We handle the full scope, from the first design conversation through the finished tile backsplash. For a broader look at how we approach kitchen work, see our Kitchen Remodeling service hub.

Cabinet Replacement

Signs you need it

Cabinet boxes that have swollen from sink leaks, doors that no longer align, or layouts that waste corner space are the usual Fullerton culprits.

What it costs in Fullerton

Fullerton homeowners typically spend $8,500 to $18,500 for full cabinet replacement, depending on whether we’re working within an existing footprint or reconfiguring a galley kitchen.

How we do it

We remove the existing cabinets, assess the wall framing for level and load, then install new boxes, doors, hardware, and crown detailing with shims and scribes that account for the wavy walls common in older Fullerton homes.

Countertop and Backsplash Replacement

Signs you need it

Laminate counters that have bubbled from heat, tile with cracked grout lines that hold moisture, or a dated color palette that drags down the whole room.

What it costs in Fullerton

Quartz or solid-surface countertops with a new backsplash generally run $4,500 to $8,200 in Fullerton, including tear-out of the old surfaces and sink reconnection.

How we do it

We template the existing counter footprint precisely, cut slabs off site, then install with a focus on heat-tolerant placement around the cooktop and proper sealing at all joints, a detail that matters during Santa Ana heat spikes.

What Kitchen Remodeling Costs in Fullerton

Item Typical range in Fullerton
Cabinet replacement $8,500 – $18,500
Countertop and backsplash replacement $4,500 – $8,200
Kitchen sink, faucet, and plumbing updates $1,200 – $3,800

How long does a kitchen remodel take in Fullerton?

Most Fullerton kitchen remodels run three to six weeks. Older downtown bungalows often add time for electrical panel upgrades and plaster wall repair that newer ranch homes don’t need. Call (855) 617-6356 for a schedule based on your specific home.

Will my older Fullerton home need rewiring first?

Many pre-1960 Fullerton homes have undersized panels that cannot support modern appliance loads. We assess this during the estimate, so there are no surprises once the project starts. Call (855) 617-6356 to schedule a free assessment.

Brands We Service in Fullerton

Holloway ADU Builders is brand-agnostic, which means we work with Abodu, Cover, and Dvele depending on your lot and timeline rather than pushing one manufacturer. We also specify James Hardie fiber cement exteriors for their durability in Fullerton’s hot, dry climate. See the full range on our brands page.

Pricing for ADU Company in Fullerton, CA

Service Typical range in Fullerton
Cabinet replacement $8,500 – $18,500
Countertop and backsplash replacement $4,500 – $8,200
Kitchen sink, faucet, and plumbing updates $1,200 – $3,800
Range hood installation $800 – $2,500
Recessed lighting and under-cabinet fixtures $1,400 – $3,200
Flooring for the kitchen footprint $2,200 – $5,500
ADU construction (prefab or modular) $180,000 – $320,000
ADU garage conversion $120,000 – $220,000
Bathroom remodel (full gut) $14,000 – $28,000

Fullerton prices push upward when we’re working on hillside lots off Bastanchury that need foundation and drainage work before a single cabinet goes in, or when a historic downtown overlay triggers design review on an ADU. Older sewer laterals and undersized panels also add scope on the front end. We give you a written line-item quote before work starts, and that number does not change unless you change the scope.

Neighborhoods We Serve in Fullerton

We work throughout Fullerton, from the 1920s bungalows near downtown to the ranch homes across the 92833 and 92835 ZIP codes and the hillside properties near Sunny Hills. Our teams are typically in the area within a week of your estimate.

  • Old Town Fullerton (SOCO)
  • Sunny Hills
  • Coyote Hills
  • Raymond Hills
  • West Fullerton (92833)

Service Area – Cities Near Fullerton

Holloway ADU Builders also serves the surrounding North Orange County communities. If you’re in Anaheim, CA, La Habra, CA, Placentia, CA, or Brea, CA, we can bring the same Fullerton-level attention to your kitchen or ADU project.

Serving Fullerton, CA — Our Local Coverage Area

We’re based in the Fullerton 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 Fullerton

Ready to get started? Free estimates · Written quotes before work starts response in Fullerton
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 Fullerton 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 Fullerton

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 Fullerton — 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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