ADU Company in Corona — 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 Corona, CA

Kitchen remodeling in Corona means rebuilding for triple-digit summers, 1970s and 80s tract homes, and a lot of cooks who actually use their kitchens. We’re Home Base ADU Builders, and we’ve served Corona since 2016. Most of the kitchens we remodel here were framed before open-concept living was a thing, so we spend a lot of time removing walls, reworking ventilation, and sizing HVAC for rooms that bake from July through September. If you’re planning an ADU, kitchen remodel, or bathroom update, call (866) 403-9834 for a free estimate.

Call (866) 403-9834

Why Corona Homes Are Different

Corona sits at the junction of the 91 and 15 freeways, on the eastern edge of the LA and Orange County metro. But the housing stock here is its own thing. The neighborhoods around downtown Corona, especially in the 92879 ZIP, are full of post-war tract homes with small, compartmentalized kitchens, detached garages, and original framing that’s now seventy years old. Head south or east into the 92880 and 92881 areas and you hit the 1980s through 2000s master-planned subdivisions: bigger lots, HOA oversight, and homes that were built fast during the inland boom. Both eras create specific kitchen remodeling challenges, from load-bearing walls that need engineered beams to outdated electrical panels that can’t handle a modern induction range plus a second oven.

The climate shapes our work here more than most people expect. Corona regularly hits triple digits in summer. A kitchen remodel in Corona isn’t just about cabinets and countertops; it’s about exhaust systems that actually pull heat and cooking fumes out, windows placed to avoid direct afternoon sun blasting the cook line, and insulation that keeps the room from becoming an oven even when the AC runs. We also see a lot of homes backed up against the Santa Ana foothills, where wind exposure and slope drainage affect how exterior walls and venting get detailed. It’s a different job than coastal Orange County, and we plan for it from the first walkthrough.

Our Main Corona Services

Corona homeowners call us about two things more than anything else: adding an ADU to a backyard or converting a detached garage, and bringing a dated bathroom up to modern standard. Here’s what each involves in Corona.

ADU Builders in Corona

Corona’s lot sizes are the story here. Many homes in the 92880 and 92881 areas sit on quarter-acre lots or larger, which makes a detached backyard ADU genuinely feasible, unlike the tight lots most of LA County deals with. We also see a lot of detached garage conversions near downtown Corona, where the garage is already there and just needs structural and utility work. Riverside County’s permit process for ADUs has been shifting as the city updates its ordinance to stay compliant with state law, and we handle that end to end. We match you to the right ADU, not the one we have in stock, and we work across the full spectrum from Tuff Shed conversions to premium prefab builds. ADU Builders in Corona.

ADU Builders in Corona

Bathroom Remodeling in Corona

Corona’s older post-war bathrooms are cramped, poorly ventilated, and often original to the house. In the 92879 and 92878 ZIPs, we regularly replace cast-iron plumbing, upgrade exhaust fans, and rework layouts to fit a walk-in shower where a tub used to be. In the newer subdivisions, the jobs are more about finishes and fixtures, but the heat still matters: a bathroom that faces west gets brutal afternoon sun, and ventilation is the difference between a room that stays mold-free and one that traps moisture. We handle the whole thing as one contractor, from rough plumbing to the final towel bar. Bathroom Remodeling in Corona.

Bathroom Remodeling in Corona
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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 Corona

Kitchen remodeling in Corona is about fixing three things: cramped layouts from the 1960s and 70s, heat buildup from inland summers, and worn-out surfaces that have seen decades of daily use. Most kitchens we work on in the 92879 and 92878 areas haven’t been touched since they were built, and the original cabinetry, flooring, and electrical are all past their useful life. A Corona kitchen remodel also needs to account for cooling: the room should not fight your AC during July and August. We’re a single contractor from foundation to finished kitchen, so you’re not coordinating an electrician, a plumber, and a cabinet installer on your own. To see the full scope of what we do, visit our Kitchen Remodeling page.

Full Kitchen Remodel

Signs you need it

Layout no longer works, cabinets are delaminating, the floor is worn through, and the kitchen can’t keep up with how your family actually cooks.

What it costs in Corona

A full kitchen remodel in Corona typically runs $35,000 to $65,000 depending on square footage, appliance level, and how much structural work the walls and ceiling need.

How we do it

We demo to the studs, address any framing or electrical issues, run new plumbing and wiring, then rebuild with new cabinets, counters, flooring, lighting, and ventilation sized for Corona’s heat.

Kitchen Refresh

Signs you need it

The layout works but the surfaces are tired, the hardware is failing, and the room feels dark or dated.

What it costs in Corona

A kitchen refresh in Corona, meaning new cabinet fronts, countertops, backsplash, and fixtures without moving walls or plumbing, typically runs $18,000 to $30,000.

How we do it

We resurface or replace cabinet doors and drawer fronts, install new countertops and backsplash, swap fixtures, and upgrade lighting to brighten the room without a full demo.

What Kitchen Remodeling Costs in Corona

Item Typical range in Corona
Full kitchen remodel $35,000 – $65,000
Kitchen refresh $18,000 – $30,000
Structural wall removal $4,000 – $9,000

These are the ranges we quote most often in Corona. Your exact number depends on the size of the kitchen, the age of the electrical panel, and whether we’re moving plumbing or gas lines. We give written line-item quotes upfront, and the price doesn’t change once work starts unless you change the scope.

How long does a full kitchen remodel take in Corona?

Most full kitchen remodels in Corona take 6 to 10 weeks from demo to final walkthrough. Permitting through the city and any HOA approval can add two to three weeks before we start demolition. Call (866) 403-9834 for a schedule based on your specific kitchen.

Will my Corona kitchen remodel add resale value?

In Riverside County, a functional, updated kitchen consistently ranks as one of the top features buyers look for, especially in the 92880 and 92881 subdivisions where homes compete on condition. Expect to recover a meaningful portion of your investment at resale. We can talk through which upgrades pay off most in your neighborhood.

Brands We Service in Corona

We service and install ADUs from Abodu, Plant Prefab, and Tuff Shed conversions, and we finish exteriors with James Hardie fiber-cement products because they hold up to the inland heat and Santa Ana winds better than vinyl or cheap siding. Parts for these brands are stocked within a day’s delivery to Corona, so we’re not waiting on cross-country freight to keep a build moving. See our brands for the full list.

Pricing for ADU Company in Corona, CA

Service Typical range in Corona
Full kitchen remodel $35,000 – $65,000
Kitchen refresh $18,000 – $30,000
Structural wall removal $4,000 – $9,000
Detached ADU $180,000 – $380,000
Garage conversion ADU $95,000 – $160,000
Prebuilt/panelized ADU $145,000 – $290,000
Full bathroom remodel $14,000 – $28,000
Bathroom refresh $7,000 – $14,000

What pushes a Corona price up is usually the same list: old electrical panels that need a service upgrade, HOA architectural review on the east and south side subdivisions, and sloped lots in the foothills that need retaining or step-down foundations. With us, the quote you get is the price you pay. No change orders, no surprise line items at the end.

Neighborhoods We Serve in Corona

We work across all four Corona ZIP codes and the surrounding unincorporated pockets. The older cores around the historic downtown in 92879 and 92878 have different needs than the newer master-planned edges in 92880 and 92883, and we schedule and staff for both.

  • Historic downtown and surrounding 92879 neighborhoods
  • Sierra del Oro and the hillside communities off the 91
  • South Corona and the 92880 subdivisions
  • Eagle Glen and the newer east-side master plans
  • Temescal Valley and the 92883 foothill areas

For most of greater Corona, we can get a team on site within two weeks of a signed contract, and often quicker for smaller jobs.

Service Area – Cities Near Corona

Beyond Corona, we serve several nearby communities with the same approach: local conditions first, honest pricing, and a single contractor running the whole job. That includes Home Gardens, CA right off the 91, El Cerrito Corona, CA just south of the city, Eastvale, CA to the west, and Norco, CA to the north. If you’re in one of these areas, the permitting and site conditions are similar to what we handle in Corona every week.

Serving Corona, CA — Our Local Coverage Area

We’re based in the Corona 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 Corona

Ready to get started? Free estimates · Free written quotes response in Corona
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 Corona Customers Say

★★★★★ 4.8 from 4+ reviews

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

— Luis Garcia

"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."

— Robert Hayes

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

— Colleen Pruitt

How It Works in Corona

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 Corona — 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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