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
Fast, Reliable General Contractor Across Corona
If you’re planning a substantial remodel or addition in Corona, you need a contractor who understands what this city’s hillside lots actually demand. Stallion Contractors handles the full scope – kitchens, bathrooms, additions, ADUs, roofing, windows, siding – under one contract and one team. Led by Ruben Montoya, we’ve built our reputation on coordinating the trades and brands that high-end Corona projects require, from the Elsinore Fault setbacks in Sierra Bella to the aging tract homes near downtown. Call (855) 600-3192 for a free estimate on your project. We know what it takes to build in Corona properly.

Why Stallion Contractors Is Corona’s Preferred General Contractor Company
Corona homeowners hire us because we understand the two distinct construction markets here. The postwar 1950s through 1970s homes near downtown and South Corona carry renovation challenges: outdated plumbing rough-ins, load-bearing walls that need engineering before removal, and slab foundations that have settled over six decades. The newer 1990s and 2000s hillside communities along the 91 corridor – Sierra Bella, Bedford, and the Temescal Valley – present a different set of demands: expansive clay soils, fault-line setbacks, and grading that requires serious excavation before a foundation ever gets poured.
That range of experience matters. A contractor who only knows flat-lot tract work will stumble on a Corona hillside custom build. We don’t. Ruben Montoya has worked both sides of this market, and our trade partners – from Cambria fabricators to structural engineers – are familiar with what Corona inspectors and geology require.
We live with the reality that lead times, not labor, drive high-end schedules. On a Sierra Bella custom build with KraftMaid cabinetry and Cambria slabs, the materials were the critical path. We ordered against a signed scope of work and locked allowances before rough-in inspection. When a designer revised the island detail mid-build, the change order was written and priced before any re-order shipped. The punch list closed the week final inspection cleared. That’s what coordination actually looks like.
Styles & brands we work with







Licensed General Contractor in Corona
A Licensed General Contractor in Corona is responsible for pulling permits, scheduling inspections, and ensuring every trade on your project meets Riverside County and City of Corona building codes. On a hillside property in Sierra Bella or Bedford, that responsibility includes something most inland cities never deal with: complying with Elsinore Fault setback requirements and engineering foundations for expansive clay soils. Stallion Contractors sequences pier-and-grade engineering, setback compliance, and long-lead custom millwork together before anyone swings a hammer.
When a Corona homeowner needs a licensed GC, the project usually involves a scope that crosses multiple trades. A kitchen remodel isn’t just cabinets – it’s plumbing, electrical, drywall, and structural work if walls move. A home addition in the Temescal Valley means grading, foundation, framing, roofing, and finishes. We carry that load under one contract, so you’re not coordinating four separate vendors.
Permits, Inspections, and Setback Compliance
Corona sits at the junction of three seismic and geological zones: the Elsinore Fault, the Chino Hills, and the Santa Ana River corridor. The fault setback requirements are not paperwork – they’re design inputs. If you treat them as an afterthought, grading and retainer engineering get reworked after permits are pulled, which costs weeks. We fold those constraints into the plan from day one.
One Contract, Every Trade
From the kitchen to the roofline, we manage every phase and trade. Your home addition in Corona might run $45,000 to $130,000 depending on scope, while an ADU typically lands between $90,000 and $220,000. What you get for that money is a written scope of work with locked allowances before anything gets ordered. No verbal allowances, no surprise change orders after the fact.
Residential General Contractor in Corona
A Residential General Contractor in Corona handles the renovation and construction work on single-family homes, from a 1950s ranch near downtown to a custom hillside build in Bedford. What separates Stallion from trade-specific remodelers is scope: we handle interior and exterior work under one license. If your Corona project includes a kitchen, two bathrooms, new siding, and a paver patio, you get one contract, one team, and one person accountable for the outcome.
Homeowners in the 92877, 92878, 92879, and 92880 ZIP codes call us for full-scope work because splitting a remodel across multiple contractors creates gaps. A roofer who doesn’t coordinate with the framer is how you get sheathing exposed before rain. We eliminate that.
Whole-Home Renovation Scope
A full Corona remodel usually includes kitchen and bath work at minimum, often plus flooring, millwork, and exterior upgrades. Kitchen remodels here typically run $14,000 to $45,000, bathrooms $9,000 to $28,000, and full-scope interior work scales from there. We price each line item in writing before ordering – that’s the only honest way to run high-end work.

Additions and ADUs on Hillside Lots
Room additions in Corona range from $45,000 to $130,000, and ADU construction runs $90,000 to $220,000. Those numbers assume proper grading, foundation engineering, and setback compliance. On a hillside lot, skipping any one of those three items costs far more later than doing it right the first time. We also partner with ADU fabricators like Abodu and Dvele when a prefab structure makes more sense than stick-built – a capability most traditional Corona remodelers don’t offer.
Trusted Brands We Service in Corona
Stallion Contractors works with 50-plus vetted, trade-grade brand partners across every major home system. That roster includes cabinetry makers like KraftMaid and Wellborn, countertop suppliers Cambria, Silestone, and Caesarstone, roofing manufacturers GAF, CertainTeed, and Owens Corning, and window and door brands PGT, Therma-Tru, and CGI. On the exterior side, we install James Hardie siding, Master Halco and Jerith fencing, and Belgard and Unilock hardscaping products. For ADU and prefab work, our partnerships with Abodu, Dvele, and Plant Prefab put Corona homeowners ahead of what most remodelers can offer. These relationships mean we recommend materials matched to your project’s actual demands, not a showroom upsell.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Corona Homes
- Hillside foundation and grading surprises. Expansive clay soils in Sierra Bella and Bedford shift with moisture, and building on them without proper pier-and-grade engineering leads to cracked slabs and sticking doors. We sequence the geotech work before design finalization, not after.
- Long-lead items ordered too late. Custom cabinetry and architectural glass can take 8 to 16 weeks. If your contractor waits until framing starts to order them, your project stalls. We order against a signed scope of work before rough-in.
- Stucco and concrete poured in bad weather windows. Corona’s 100°F-plus summer days and Santa Ana wind events accelerate curing problems and force cosmetic rework. We schedule pours around the heat, not through it.
- Fault setback compliance treated as paperwork. The Elsinore Fault setback changes where you can build on your lot, which changes your foundation plan, which changes your budget. We treat it as a design input from the first site visit.
Pricing for General Contractor in Corona, CA
What you pay in Corona depends on scope, lot conditions, and material choices – but that’s not an excuse to withhold numbers. Here are the line-item ranges we typically quote for high-end work in this market:
| Project | Corona Price Range |
|---|---|
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
| Kitchen Island Installation | $3,000 – $10,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
Custom millwork, architectural glass, and specialty finishes are the line items that shift these numbers most on a Corona hillside build. The price is fixed in writing before we order anything – allowances get locked, change orders get priced before a re-order ships, and you never absorb a surprise after fact. Call (855) 600-3192 for a written line-item quote. Estimates are free, and the quote you get is the number you plan against.
We Also Serve Cities Near Corona
Stallion Contractors serves Corona and the surrounding communities, including Home Gardens, El Cerrito Corona, Eastvale, and Norco. If you’re planning a remodel in any of these areas, our General Contractor team brings the same full-scope capability and written pricing discipline to your project. Call us for details on service area and availability.
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 General Contractor in Corona
Custom millwork and architectural glass have 8 to 16 week lead times, and on a Corona hillside lot you can’t accelerate them by adding labor. The schedule is set by when material arrives, not when the framing crew finishes. That’s why we order against a signed scope of work with locked allowances before rough-in inspection. If a change comes mid-build, we price it before a re-order ships. Call (855) 600-3192 to see how ordering discipline keeps your project on schedule.
Yes, and it’s the single biggest difference between building in Corona and building in flat-lot inland cities. The setback determines where on your lot you can build, which determines how much grading you need, which determines your foundation design. On expansive clay soils in Sierra Bella and Bedford, that sequence drives both cost and schedule. We bring a geotech engineer into the conversation before design is finalized, not after permits get flagged. Call (855) 600-3192 for a realistic site assessment.
Pours and stucco application should avoid 100°F-plus stretches and high Santa Ana wind days, which in Corona typically means scheduling exterior finish work for spring or fall windows. Summer pours need early-morning placement and careful curing control, and wind days create cosmetic defects that require rework. We plan the project calendar around the climate, not through it. Call (855) 600-3192 to talk about timing your project properly.
The price gets fixed in writing before anything is ordered. We use written line-item quotes with locked allowances, so verbal scope changes don’t surface as surprise invoices after the order is placed. If you or your designer revise a detail mid-build, the change order is written and priced before the re-order ships. That discipline matters most on long-lead items like custom cabinetry and stone, where a re-order kills both schedule and budget. Call (855) 600-3192 for a quote built to that standard.
Yes. A hillside addition or ADU in Corona requires grading permits, foundation plans that address expansive clay soils, and compliance with Elsinore Fault setback requirements – all of which go through City of Corona and Riverside County review. Inspection sign-off is also mandatory before final occupancy. We pull the permits, coordinate the inspections, and document every sign-off so your project closes clean. Call (855) 600-3192 to get your project scoped correctly from the start.
Corona hillside work carries a coordination load that flat-lot cities don’t. Elsinore Fault setbacks, expansive clay foundations, and long-lead custom millwork all have to sequence together. Stallion Contractors does that under one contract, with one team, and a written price before ordering. From the kitchen to the roofline. One contractor. Every trade.
Written by Ruben Montoya, Owner at Stallion Contractors, serving Corona and the surrounding inland communities.