Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Trusted Home Remodeling for Corona Homeowners
Home remodeling in Corona, CA ranges from $9,000 for a small bathroom refresh to $220,000 for a full ADU build, with most kitchen and bath projects landing between $14,000 and $45,000. Square One Builders has managed full-scope remodels across Corona, Norco, and Eastvale for years, handling everything from structural framing to final cabinet hardware under one contract. That means you get one accountable team instead of four or five subcontractors you never really hired. Call Brent Calloway and our crew at (877) 688-9930 to schedule a free, no-obligation estimate for your Home Remodeling in Corona project.

Key Takeaways
- One contract covers every system: roofing, windows, cabinetry, countertops, plumbing, siding, hardscaping, and ADU additions. No juggling separate specialty trades.
- 50+ material brands across every trade, so you get the right product at the right price tier for your budget.
- Kitchen remodels run $14,000-$45,000; bathrooms $9,000-$28,000; whole-home projects scale from there based on scope.
- Free written estimates with line-item pricing. No vague numbers, no surprise change orders.
- Local accountability: we work in Corona, La Verne, and surrounding Riverside and San Bernardino County communities.
Styles & brands we work with







Home Remodeling Contractor
A Home Remodeling Contractor is the general contractor who carries the license, pulls the permits, schedules the inspections, and answers for every trade on your project. In Corona, where homes built in the 1970s and 1980s often hide outdated wiring, failing plumbing supply lines, and single-pane aluminum windows behind otherwise decent drywall, having one contractor who sees the whole picture matters. Square One Builders fills that role for kitchens, bathrooms, additions, whole-home updates, and ADU construction. Pricing tracks scope: a kitchen remodel runs $14,000-$45,000, a bathroom $9,000-$28,000, and a garage conversion $30,000-$80,000. Those numbers include materials, labor, permits, and project management, not just the visible finish work.
Coordinated Subcontractor Management
We schedule framing, rough plumbing, electrical, drywall, tile, and finish carpentry in sequence so no trade waits on another. Our Corona clients see a single point of contact throughout, which eliminates the finger-pointing that happens when homeowners try to coordinate five separate companies themselves.
Permit and Inspection Handling
Corona’s Building Division requires permits for structural changes, electrical work, plumbing alterations, and any ADU or addition. We pull every permit, meet inspectors on site, and make sure your final inspection passes before you sign off. You never stand in line at City Hall asking about plan check.
Home Remodeling Companies
Home Remodeling Companies in Corona fall into two rough camps: specialty shops that do one trade well, and general contractors like Square One Builders that manage the entire build. The right choice depends on scope. A backsplash replacement doesn’t need a general contractor, but a project that touches framing, electrical, drainage, and rooflines absolutely does. Our remodeling work spans kitchens ($14,000-$45,000), bathrooms ($9,000-$28,000), windows ($4,500-$15,000), roofing ($8,000-$20,000), driveways ($3,500-$18,000), and home additions ($45,000-$130,000). The advantage of working with us is that we spec every material and manage every trade under one contract, from the ground up.
Full-Scope Accountability
If a window leaks or a cabinet door binds, you call us. There’s no debate about which subcontractor owned that piece of work. Our name is on the whole project, so our accountability covers the whole project.
Material Selection Without the Runaround
We carry relationships with over 50 brands across every major home system – Cambria and Silestone for countertops, GAF and CertainTeed for roofing, Kohler and Moen for plumbing. That means you compare options at different price points without driving to six different showrooms or negotiating with vendors yourself.
Whole House Remodel
A Whole House Remodel is a coordinated renovation that touches every major system in the home – structure, roof, windows, kitchen, baths, flooring, finishes, and often exterior hardscaping. In Corona, we see this most often in older neighborhoods like the Sierra Del Oro hillsides and established tracts south of the 91, where homes built in the 1980s need electrical panel upgrades, HVAC reconfiguration, and plumbing repiping alongside cosmetic updates. Whole-house remodels typically start around $45,000 for broad cosmetic updates and scale to $130,000 or more when structural work, roof replacement, and full kitchen and bath gut renovations are involved. Square One Builders manages the entire sequence from demolition through finish.
Phased Planning for Occupied Homes
Most of our Corona clients live in their homes during the remodel. We phase the work so one bathroom stays functional while another gets gutted, and we keep the kitchen online until the rough-in for the new one is complete. Your daily routine stays as intact as the project schedule allows.
System Upgrades Below the Surface
The parts of a whole-home remodel you never see – supply lines, drain slope, load-bearing headers, attic ventilation – are the parts that keep working or fail first. We inspect every system we expose and fix what’s worn, not just what’s visible.
Luxury Home Remodeling
Luxury Home Remodeling means building to a higher spec – custom cabinetry from Wellborn or KraftMaid, quartz surfaces from Cambria or Caesarstone, plumbing fixtures from Toto or Kohler, and outdoor spaces with Belgard pavers or Unilock retaining walls. In Corona’s higher-end neighborhoods, including the hillside estates above Green River Road and newer developments in the Dos Lagos area, homeowners expect materials and craftsmanship that match the value of the property, just as they do with Garden Grove Home Remodeling. Luxury kitchen remodels typically range from $45,000 to $130,000 depending on appliance packages and cabinet customization. Luxury bathrooms run $28,000 and up. We spec the right material for your project, not the most expensive one, so your budget goes into what actually shows and lasts.
Premium Material Sourcing
We have direct access to the full Cambria and Silestone quartz lines, custom Wellborn cabinetry configurations, and Toto and American Standard fixtures at wholesale relationships most homeowners never see. That means you can select a showroom-quality build without paying showroom-adjacent markup.
Detailing That Holds Up
Luxury means joints that stay aligned, glass that doesn’t fog, and stone that doesn’t etch from Corona’s hard water without proper sealing. We pay attention to the details that separate a pretty remodel from one built to stay that way.
Full Home Remodel
A Full Home Remodel covers the complete interior transformation of a residence – every room reconfigured or refinished, every surface touched, every system brought to current code. It’s the right choice when a home in Corona has good bones but an outdated floor plan, old wiring, a tired kitchen, and bathrooms that all need work at once. Full home remodels in the Corona market generally run from $45,000 for an extensive cosmetic overhaul to $130,000 and beyond for structural reconfiguration, full kitchen and bath rebuilds, window replacement, and new flooring throughout. Square One Builders approaches these projects as a single build, not a series of trade visits. Your remodel, fully managed.
Comprehensive Scope Planning
Before we open a single wall, we walk every room with you and map the full scope: what stays, what moves, what gets upgraded. That plan becomes the contract, and the contract becomes the schedule. No mid-project surprises about what the framer or plumber “actually” included.

Code Compliance Across Every System
Corona and Riverside County have specific requirements for electrical service, window egress, insulation values, and water fixture efficiency. A full remodel gives us the chance to bring everything up to current California Building Code at once, which protects both your investment and your insurance status.
Brands We Service
We install and service a full range of plumbing fixtures from Toto, American Standard, and Sterling across Corona remodels. Toto’s skirted toilets and washlet systems are a common upgrade request in master baths, and we handle the electrical rough-in those units require as part of the job. American Standard remains a strong value option for guest baths and rental property refreshes, while Sterling’s tub and shower units work well where a fast, clean installation matters more than elaborate tile work.
For waterproofing and tile substrate, we use Schluter systems on wet-area installations – shower pans, bathroom floors, and tub surrounds. Schluter’s uncoupling membranes and waterproofing boards give us a reliable, dimensionally stable base for tile work, which matters in Corona’s hot, dry summers when expansion and contraction stress substrate materials. Whether you have existing Toto, American Standard, Sterling, or any other make, we can integrate it into your remodel or recommend an appropriate replacement from our 50-plus brand portfolio.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Water staining or paint bubbling on ceilings or walls. This usually means a supply line leak, roof penetration failure, or drainage issue behind the drywall. The longer water sits in framing, the more structural damage and mold remediation you’ll eventually pay for.
- Windows that fog, stick, or show condensation between panes. Failed seals and worn frames leak conditioned air, which drives up Corona’s summer cooling bills and lets dust from the Santa Ana winds into the house. Replacement windows run $4,500-$15,000 depending on count and frame material.
- Floors that slope, bounce, or creak in one specific area. This can point to joist damage, dry rot, or settlement – all structural issues that get more expensive every month they’re ignored. A quick inspection tells you whether it’s cosmetic or load-bearing.
- Recurring breaker trips or outlets that feel warm. Homes built before the 1980s often carry undersized panels and aluminum wiring. Adding a remodeled kitchen or ADU on top of that existing service can create a genuine fire hazard.
- Visible mold, mildew, or persistent musty smells in bathrooms or under sinks. Corona’s hard water and older galvanized drain lines accelerate corrosion leaks. By the time you smell it, the leak has already been working on framing, subfloor, and insulation.
Our Process, Step by Step
- 1
Walkthrough and scope review. We meet you at your Corona home, listen to what’s not working, and walk every space you want changed. You tell us the functional problems – bad layout, no storage, dated bathrooms – and we note the structural and code realities behind each one.
- 2
Line-item written estimate. Within days, you get a detailed quote that breaks out labor, materials, permits, and contingency by room or system. We price from our 50-plus brand portfolio at multiple tiers, so you decide where to spend and where to save.
- 3
Permit submission and plan approval. We prepare drawings and submit to the City of Corona Building Division, then track plan check and revisions. You get updates, not just a bill for fees you didn’t know about.
- 4
Construction with weekly check-ins. Demolition through finish is scheduled trade by trade. We send photos and progress notes weekly, and we walk the site with you at every inspection milestone – rough electrical, rough plumbing, drywall, final.
- 5
Final walkthrough and punch list. We walk every finished surface with you, build a punch list, and get every item signed off. You approve the final result before we close out permits, and we leave you with warranty documentation for every installed product.
How Much Does Home Remodeling Cost in Corona?
A typical kitchen remodel in Corona runs $14,000-$45,000 depending on cabinet quality, countertop material, and whether you’re moving plumbing or electrical. Bathrooms run $9,000-$28,000, with walk-in showers at $4,500-$12,000 and tub-to-shower conversions at $3,500-$10,000. Whole-house projects typically land between $45,000 and $130,000, while ADU construction starts around $90,000 and home additions at $45,000. These are real, market-calibrated ranges for Riverside County labor and material pricing.
What drives the price: scope of structural work, material tier (builder-grade vs. custom), HVAC or panel upgrades required by code, and the condition of what’s currently behind your walls. The best way to avoid overpaying is to get a line-item bid that separates labor from materials and shows exactly where every dollar goes. Our free estimates include that breakdown, plus a walkthrough of options at different price points so you can make informed choices instead of guessing. Call (877) 688-9930 for an exact quote on your Corona remodel.
Our Service Area Near Corona
Square One Builders works throughout Corona and the surrounding communities, including Home Remodeling in La Verne, Home Remodeling in El Cerrito Corona, Norco, Eastvale, Home Gardens, Montclair, Claremont, Ontario, Upland, Jurupa Valley, and Rancho Cucamonga. Most of our Corona-area clients schedule estimates within a week of calling, and we’re on site for active projects daily. If you’re planning a remodel anywhere in the Inland Empire, we’ll come to you.
Serving Corona, CA — Our Local Coverage Area
We’re based in the Corona area and know this community well, and we also offer our Home Remodeling in Westminster. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
Frequently Asked Questions About Home Remodeling in Corona
Home remodeling is the process of changing, upgrading, or reconfiguring part or all of a home’s structure, systems, and finishes. In Corona, that typically means kitchen and bathroom renovations, room additions, whole-home updates, window replacements, and ADU construction. The goal is a home that functions better and holds value longer, done to current building code.
Timelines depend on scope. A small bathroom remodel can be done in 3-4 weeks, a kitchen in 6-10 weeks, and a whole-home or addition project in 3-6 months. Permit review with the City of Corona adds 2-6 weeks at the front end. We lay out a complete schedule in your written estimate so you know what to expect before we start.
Most Corona remodels cost between $9,000 and $130,000 depending on which rooms are involved and what materials you choose. Kitchens run $14,000-$45,000, bathrooms $9,000-$28,000, and whole-home projects start around $45,000. We provide a free line-item estimate so you see exactly where your budget goes. Call (877) 688-9930 to schedule yours.
Yes, we install and service Toto, American Standard, Sterling, and Schluter products among the 50-plus brands in our portfolio. If you have a favorite fixture brand, we’ll spec it into your remodel or recommend an equivalent at the price point you’re targeting. We can also coordinate with any existing fixtures you want to keep.
We prioritize urgent issues like active leaks, compromised structural conditions, and safety hazards such as exposed wiring or failed roof sections. For true emergencies, call us and we’ll get someone to your Corona home quickly to assess and contain the problem. Planned remodel work is scheduled on a first-come basis with a set start date.
Every product we install carries its manufacturer’s warranty, and our workmanship is covered by a written workmanship warranty tailored to the scope of your project. We’ll explain exactly what’s covered and for how long before you sign any contract. No vague promises, just documentation.
Clear the rooms being remodeled of personal items, furniture, and wall hangings. We’ll protect floors and adjacent spaces with drop cloths and plastic barriers, and we’ll set up a designated work path so our crews and materials stay contained. If you’re living in the home during the work, we’ll plan the sequence so you always have at least one functional bathroom and a workable kitchen.
Schedule Your Home Remodeling Service in Corona Today
Ready to get real numbers for your home remodel in Corona? Call Brent Calloway and the Square One Builders team at (877) 688-9930 to schedule your free, no-obligation estimate. You’ll get a written, line-item quote with material options at multiple price points, and no pressure to sign. One contractor, every system. Your remodel, fully managed.
Written by Brent Calloway, Owner at Square One Builders, serving Corona since 2012.