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 Riverside
When a Riverside homeowner calls us about a remodel, the first question is usually the same: can one team actually handle the cabinets, the countertops, the windows, and the patio cover without juggling four different contractors? The answer is yes. We run every scope, from a kitchen refresh in a 2015 Orangecrest tract home to a full room addition on a 1920s bungalow near downtown, under a single contract. One contractor, every system. If you’re planning work in Riverside, call (877) 688-9930 and we’ll come out, look at the house, and give you a straight written estimate.

Why Square One Builders Is Riverside’s Preferred General Contractor Company
Riverside throws a combination at a remodel that most cities don’t. You have master-planned communities with active HOAs, century-old Craftsman homes with original framing, and Santa Ana wind seasons that punish sloppy structural work. We’ve worked in all of it. In the 92508 zip code around Orangecrest, we deal with architectural review committees and builder warranty rules on nearly every job. In older pockets of 92506 and downtown 92501, we’re matching modern hardware to redwood and fir framing that predates World War II. That local mileage is the reason Riverside homeowners keep us on speed dial when something needs to be done right the first time.
Square One Builders is led by Brent Calloway, a general contractor who has spent years working across Southern California’s most demanding residential markets. Brent built this company around a simple premise: homeowners deserve one accountable team for the entire scope, not a loose collection of subs who point fingers when something goes sideways. Our Riverside customers call the same number, talk to the same project lead, and get the same straight answers from demo day through final walkthrough.
We also carry the material relationships that matter here. Access to 50+ nationally recognized brands means we can spec Owens Corning roofing in one neighborhood, CertainTeed in another, and the right cabinet line for the home’s price point, all without switching contractors. Your remodel, fully managed.
Styles & brands we work with







Hire a General Contractor in Riverside
Hire a General Contractor in Riverside when the project touches more than one trade, and you will know the moment it happens. The kitchen remodel that needs a plumber to move the sink, an electrician for new circuits, a cabinet installer, and a countertop fabricator is not a DIY project. It is a general contract. In Riverside, where homes range from 1905 Craftsman bungalows to 2018 tract builds, the code requirements shift block by block, and a contractor who only knows one era of construction will cost you time and money.
Full-Scope Coordination
We handle permits, scheduling, material ordering, and every trade on site. You get one point of contact and one written contract. No calling a plumber to ask why the electrician didn’t show up.
HOA and Warranty Compliance
In master-planned communities like Orangecrest, we submit architectural review packages before demolition and document every change order so builder warranties stay intact. This is the part most remodelers skip, and it is the part that gets Riverside homeowners fined.
General Contractor Services in Riverside
General Contractor Services in Riverside span the full scope of what a home needs, inside and out. Kitchen and bathroom remodels, window and roofing replacements, room additions, ADUs, hardscaping, and siding. We run them all under one roof and one contract, which matters more in Riverside than most places because so many homes here are recent builds with builder-grade finishes that owners replace in a specific order. We know what is worth upgrading first and what can wait.
Interior Renovation
Kitchens, bathrooms, flooring, and whole-home refreshes. In Riverside’s newer developments, the first upgrades are almost always countertops, backsplash, cabinet hardware, and plumbing fixtures, because those are the surfaces that show wear fastest and deliver the most visible result.

Exterior Systems
Roofing, windows, siding, fences, driveways, and patio covers. Santa Ana wind season in Riverside regularly exposes weak roof sheathing and improperly anchored patio structures, so we engineer these with the wind loads in mind, not just the aesthetics.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Riverside
We are not locked into one manufacturer. That matters because a Riverside homeowner in a $900,000 Orangecrest house should not be installing the same cabinet line as a rental flip in a 1960s tract near the 91. We spec the right material for your project. Our portfolio includes CertainTeed and Owens Corning for roofing, IKO and Atlas for budget-conscious roof replacements, and cabinet, countertop, plumbing, and window lines that span the full market. When you work with us in Riverside, you are getting a material recommendation based on your home, your neighborhood, and your budget, not whatever brand happens to be in the yard that week.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Riverside Homes
- Skipped HOA architectural review in master-planned communities. We have seen stop-work orders issued in Orangecrest because a homeowner swapped exterior paint colors or replaced a fence without committee approval. The fines are real, and they are avoidable with a 15-minute review package.
- Builder warranty voided by unauthorized material changes. Most Riverside builders require written approval before alteration of structural or mechanical systems. Using non-warranty-approved methods on a newer home can void coverage, and we document everything to keep that from happening.
- Santa Ana wind damage to patio covers and room additions. Structures that were never engineered for Riverside’s wind gusts fail at the connection points. We see roofs lifted off sheathing and patio covers twisted at the anchors every wind season.
- Thermal expansion cracks in concrete and stucco. Riverside’s hot, dry summers cause materials to expand and contract aggressively. Driveways, walkways, and exterior walls show it first, especially in newer neighborhoods where the ground is still settling.
Pricing for General Contractor in Riverside, CA
The numbers below are real ranges we quote in Riverside, based on the homes we actually walk through here. A kitchen remodel in a 2015 Orangecrest tract home typically runs $14,000 to $45,000 depending on cabinet line, countertop material, and whether walls move. A bathroom remodel runs $9,000 to $28,000. Cabinet installation alone runs $4,000 to $13,000, and countertops $2,000 to $6,500. A room addition in Riverside starts around $45,000 and can exceed $130,000 once you add foundation work, permits, and wind-load engineering.
| Service | Typical Riverside Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
| Home Addition | $45,000 – $130,000 |
What moves the number: the age of your home’s framing, whether we’re matching new work to original redwood or modern dimensional lumber, HOA-required material palettes, and the permitting route. We give written line-item quotes, not ballpark guesses. Call (877) 688-9930 to schedule a free estimate. The quote is free and it is specific.
We Also Serve Cities Near Riverside
Our crews work throughout western Riverside County, so if you’re in Rubidoux, Glen Avon, Pedley, or Sunnyslope, you’re in our service area. If you’re reading this from one of those communities, see our General Contractor page for the full scope of what we do, or look at our General Contractor in Riverside hub if you want to see how we approach this specific market.
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 General Contractor in Riverside
Start with the surfaces you touch and see daily: countertops, backsplash, cabinet hardware, and plumbing fixtures. In most of Riverside’s 2010-and-newer tract homes, the builder-grade cabinets are structurally fine but the countertops and sinks read as dated immediately. A countertop replacement with new sink and faucet typically runs $2,000 to $6,500 in Riverside and delivers the most visible return. Call (877) 688-9930 and we’ll walk your house and tell you what’s worth doing first, and what can wait.
Get written approval from your builder before any structural or mechanical alteration, and keep documentation of every change. Most Riverside builders require this, and we handle the paperwork for you. In Orangecrest and similar HOA-governed communities, we submit the architectural review package before demolition and keep a paper trail on change orders. That keeps your warranty intact and your HOA off your back.
Yes, in most Riverside master-planned communities, including Orangecrest in 92508. HOAs here enforce architectural review with strict color palettes, material lists, and sometimes even approved vendor lists. Even a simple cabinet swap or fence replacement can trigger a compliance review. We pull the HOA guidelines before we write the scope, so nothing gets red-flagged mid-project. If you’re unsure whether your project needs review, call us and we’ll check the community’s specific rules.
Riverside requires permits for structural, electrical, plumbing, and mechanical work, and the city’s permit process accounts for the age of your home’s original construction. A remodel in a 1920s Craftsman near downtown often needs more documentation than the same work in a 2015 tract home, because the inspectors need to verify the existing framing and wiring before we modify it. We pull the permits, schedule the inspections, and pass them. That’s part of the job.
Santa Ana winds create wind-load requirements that most standard patio covers and room additions don’t meet unless they’re specifically engineered for this region. We see failures every wind season at connection points: patio posts pulled from concrete anchors, roof sheathing lifted, fence sections blown out. When we build in Riverside, we design for the wind, not just the view. If you have an existing structure that’s been damaged, call us for an assessment before the next wind event.
Written by Brent Calloway, Owner at Square One Builders, serving Riverside since day one.