ADU Company in Riverside — 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 Riverside, CA

Kitchen remodeling in Riverside means working with citrus-era bungalows and 1960s tract homes that were never designed for modern appliances, open sightlines, or a family spending real time in the room. We plan around deep lots and rear-yard ADUs, where the kitchen often has to serve the main house and a new rental unit at the same time. Call (855) 676-6807 to talk through your kitchen, your ADU, or both in one visit.

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Why Riverside Homes Are Different

Riverside’s housing stock runs heavily to single-story 1920s-1950s bungalows and 1960s-80s tract homes on wide, deep lots. In neighborhoods like the Wood Streets and Casa Blanca, the original kitchens were built small: a stove, a sink, a breakfast nook, and not much else. When we open up a kitchen in these homes, we routinely find knob-and-tube wiring and legacy plumbing that has to be brought current before anything cosmetic happens. That is not a surprise cost we spring on you later; it is part of how we price the job from the start.

Riverside sits in one of California’s most active ADU-permitting jurisdictions, and the city’s pre-approved ADU plans have made detached units a realistic option on lots where frontage was once too scarce. The older citrus-belt blocks have deep, narrow parcels with established trees and rear setbacks that push ADUs behind existing shade lines. That same geometry changes kitchen thinking: if the ADU shares a wall or a utility line with the main house, the kitchen remodel and the ADU build need to be designed as one system, not two separate projects. Sunburst ADU Builders has served Riverside since 2018, and we plan for that from the first site visit.

Summer heat is another Riverside-specific factor. Temperatures regularly run above 100°F, and a kitchen with an underpowered exhaust fan or a window facing the wrong way turns into a heat trap by mid-afternoon. We size ventilation, cooling, and appliance placement for Riverside’s inland climate, not the coastal defaults used in Orange County or San Diego. Santa Ana wind season also means exterior work has to be scheduled around dry, gusty days.

Our Main Riverside Services

Most Riverside homeowners call us about one of two things: building an ADU on a deep rear-yard lot, or remodeling a bathroom in a home that has not been touched since the original build. Both are covered below.

ADU Builders in Riverside

Riverside’s lot geometry makes detached ADUs unusually feasible, especially on the deep parcels in the Wood Streets and Casa Blanca where side yards run long and garages sit on alleys. We build detached, attached, and garage-conversion ADUs across the full format spectrum, and we work with manufacturers like Dvele, Mighty Buildings, Boxabl, and Plant Prefab so you are comparing real engineering options, not a single-brand pitch. The city’s pre-approved plans and fast-track ADU rules change what is possible on a given lot, and we handle permit drawings, utility tie-ins, and interior finish under one contract. Read more on our ADU Builders in Riverside page.

ADU Builders in Riverside

Bathroom Remodeling in Riverside

Bathrooms in Riverside’s 1920s-1950s bungalows were often added as afterthoughts: small footprints, single-sink vanities, and plumbing stacks that have seen seventy years of hard water. We remodel these spaces around the existing framing, and we also finish the bathrooms inside new ADUs so the unit is rent-ready without a second contractor. Our Riverside bathroom work covers full gut-and-replace, shower-to-tub conversions, and the plumbing upgrades older homes need before any finish work. Details and local pricing are on the Bathroom Remodeling in Riverside page.

Bathroom Remodeling in Riverside
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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 Riverside

Kitchen Remodeling in Riverside

Kitchen remodeling in Riverside usually means one of two situations: a 1920s-1950s bungalow kitchen that is still running on its original footprint, or a 1960s-80s tract home kitchen that was built as a closed-off room and now needs to open into the living space. In both cases, the work has to account for Riverside’s hot inland summers, the knob-and-tube wiring and legacy plumbing common in the older neighborhoods, and the reality that many of these homes are adding an ADU at the same time. We plan the kitchen as part of the whole property, not as an isolated room. For a broader look at what the service includes, see Kitchen Remodeling.

Galley Kitchen Opening

Signs you need it

The kitchen is a narrow passage between two walls, and two people cannot cook in it at the same time.

What it costs in Riverside

Opening a load-bearing wall and reconfiguring the kitchen typically runs $45,000 to $85,000 in Riverside depending on beam size and utility moves.

How we do it

We check the wall for load-bearing framing, size the replacement beam, move water and electrical lines, then rebuild the opening with finished drywall and flooring transitions.

Full Gut and Floorplan Change

Signs you need it

The cabinets are end-of-life, the layout blocks the natural light, and the plumbing or electrical is too old to patch any further.

What it costs in Riverside

A full kitchen gut with new layout, plumbing, electrical, and finishes typically runs $65,000 to $120,000 in Riverside.

How we do it

We strip the room to framing, bring the wiring and pipes to current code, insulate for Riverside’s summer heat, then rebuild the layout with new cabinets, counters, flooring, and ventilation.

What Kitchen Remodeling Costs in Riverside

Item Typical range in Riverside
Galley kitchen opening (one load-bearing wall) $45,000 – $85,000
Full gut and floorplan change $65,000 – $120,000
Cosmetic refresh (paint, countertops, backsplash, hardware) $18,000 – $45,000

Two things push kitchen pricing up in Riverside: the age of the original utility lines in pre-1960 homes, and the need to coordinate the kitchen with an ADU that shares the same service panel or water line. We quote the job as a fixed number with no change orders unless you change the scope.

How long does a kitchen remodel take in Riverside?

Most full kitchen remodels in Riverside take 6 to 10 weeks from demolition to final walkthrough, depending on structural work and utility upgrades. Cosmetic refreshes usually run 2 to 4 weeks. Call (855) 676-6807 for a schedule based on your home’s actual condition.

Do you pull permits for kitchen remodels in Riverside?

Yes. We pull all required Riverside building, electrical, and plumbing permits, and we schedule inspections through the city. If your home is in an older citrus-belt block with legacy wiring, the permit review may require a full electrical panel upgrade, and we include that in the plan before work starts. Call (855) 676-6807 and we will walk you through what your specific home needs.

Brands We Service in Riverside

We work across the leading ADU platforms rather than carrying a single brand, so Riverside homeowners compare Dvele, Mighty Buildings, Boxabl, and Plant Prefab side by side. For kitchen and bath work, we specify James Hardie fiber-cement products on exteriors and abuse-resistant surfaces inside. See our brands for the full build-method comparison.

Pricing for ADU Company in Riverside, CA

Service Typical range in Riverside
Detached ADU, standard spec $180,000 – $350,000
Garage conversion ADU $120,000 – $220,000
Attached ADU (addition) $150,000 – $300,000
Kitchen remodel – galley opening $45,000 – $85,000
Kitchen remodel – full gut $65,000 – $120,000
Kitchen remodel – cosmetic refresh $18,000 – $45,000
Bathroom remodel – full gut $22,000 – $45,000
Bathroom remodel – shower conversion $14,000 – $28,000
Bathroom remodel – surface update $8,000 – $18,000
Interior finishing for new ADU (kitchen + bath) $45,000 – $95,000

Riverside pricing moves most on two things: the age of the home’s original wiring and plumbing when the ADU or kitchen shares those lines, and the lot geometry when rear setback or tree preservation forces a custom foundation. Every quote is a fixed, written, line-item number before we start.

Neighborhoods We Serve in Riverside

We work across Riverside’s older citrus-era blocks and the newer tract neighborhoods alike, and we schedule site visits by ZIP: 92514, 92515, 92516, and 92517. Response time for an estimate visit anywhere in the city is typically a few business days.

  • Wood Streets
  • Casa Blanca
  • Magnolia Center
  • Orangecrest
  • La Sierra

Service Area – Cities Near Riverside

Sunburst ADU Builders works the neighborhoods and cities that wrap around Riverside, including Rubidoux, CA, Glen Avon, CA, Pedley, CA, and Sunnyslope, CA. If your lot is on the edge of Riverside or just across the line, we will confirm coverage and schedule the same site visit either way.

Serving Riverside, CA — Our Local Coverage Area

We’re based in the Riverside 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 Riverside

Ready to get started? Free estimates · Written quotes before work starts response in Riverside
Call (855) 676-6807

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 Riverside 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."

— Hector Torres

"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."

— Jodi Reed

"He was honest that our lot had a slope problem that would add real cost, before we signed anything."

— Katie Parker

How It Works in Riverside

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 Riverside — 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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