Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Riverside
Finding a general contractor in Riverside who actually answers the phone, shows up when they say they will, and hands you a written price before the first hammer swings shouldn’t feel like a gamble. It does for too many homeowners, especially after a bad experience with a no-show crew or a verbal estimate that doubled by demo day. Penhallow Remodeling Riverside operates differently. We put the price and the 365-Day Done Right Promise in writing before any work starts, and a live person answers at (341) 895-1170 around the clock. Trevor Nash leads our Riverside team, and we’ve built our entire process around one simple idea: the number you agree to on day one is the number on the final invoice.
Why Penhallow Remodeling Riverside Is Riverside’s Preferred General Contractor Company
Riverside homeowners call us because we treat their project like it’s happening to our own house. That sounds like a line, so here’s what it means in practice. When you call Penhallow Remodeling Riverside, a real person picks up. Not a voicemail maze, not an answering service. You get a defined arrival window before we ever step on the property, and the crew that shows up is background-checked and in uniform. Every single job, from a kitchen remodel in Canyon Crest to a whole-home addition near the Wood Streets, gets a written price up front and a written guarantee that lasts 365 days. If something fails inside that year, we come back and fix it at no charge. That’s the Kingswell Way, and it’s been our operating standard since 2004.
Our Riverside customers regularly tell us the same thing: they’d been burned before by a contractor who vanished after the deposit, or a repair that cracked again six weeks later. We built Penhallow Remodeling Riverside for exactly those homeowners. The ones who aren’t looking for the cheapest bid. They’re looking for a company that answers, arrives on time, and stands behind the work long after the crew leaves. That’s who we are, and that’s the reputation we’ve earned across Riverside, from Magnolia Center to La Sierra.
Styles & brands we work with
Construction Company in Riverside
Construction Company work in Riverside means something different than it does in most Southern California cities. We’re not just talking about swapping finishes in a tract home. Riverside’s housing stock runs from late 19th-century Victorians and Craftsman bungalows downtown to 1990s-era stucco tract developments in Orangecrest and Mission Grove. Each one demands a different approach to structural work, permitting, and materials. When you need a room addition, a detached ADU, or a garage conversion, the job involves foundation work, framing, electrical, plumbing, and coordination with Riverside County inspectors. A home addition in Riverside typically runs $45,000 – $130,000, and an ADU construction project lands between $90,000 – $220,000 depending on site conditions, utility connections, and finishes.
Structural Work and Additions
Room additions and structural changes on Riverside acreage often trigger county-level review, especially when they touch property line setbacks, septic fields, or well placements. We scope that before quoting. If your lot sits outside city limits, the rules change, and we walk you through the health department and building department requirements line by line so there are no surprises on permit day.
Garage Conversions and Accessory Structures
A garage conversion in Riverside runs $30,000 – $80,000, and the range swings on insulation, electrical panel capacity, and whether the existing slab meets current code. On larger lots, we also scope detached shops, barns, and outbuildings. Those projects involve grading, drainage, and sometimes well and septic setbacks that tract-home contractors simply don’t deal with. We do.
Remodeling Contractor in Riverside
A Remodeling Contractor in Riverside has to know older homes, not just new builds. The difference shows up fast. Riverside’s pre-1980 housing stock often needs seismic retrofitting and extensive renovation before you even get to the fun part like cabinets and countertops. A full kitchen remodel in Riverside runs $14,000 – $45,000, and that range reflects cabinet line, countertop material, and whether we’re opening walls or working within the existing footprint. Bathroom remodels typically fall between $9,000 – $28,000, with walk-in shower installations at $4,500 – $12,000 and tub-to-shower conversions at $3,500 – $10,000.
Kitchen and Bath Transformations
We install KraftMaid and Wellborn cabinetry, Cambria and Silestone quartz, and Kohler and Moen fixtures. Those brands carry their own warranties, and they sit alongside our 365-Day Done Right Promise. If a cabinet door warps or a shower pan fails inside a year, we come back and make it right at no charge. That’s written into every Riverside kitchen and bath contract we sign.
Whole-Home Renovations
Whole-home remodels in Riverside’s older districts almost always reveal something behind the walls. Knob-and-tube wiring, cast iron drain lines, or framing that doesn’t meet current seismic code. We budget for those discoveries before we open the first wall, so you’re not staring at a change order you never saw coming. That’s the difference between a contractor who works in Riverside and a contractor who truly knows Riverside.
Trusted Brands We Service in Riverside
We source materials from manufacturers that back their products with real warranties, because our guarantee should sit on top of their guarantee, not replace it. For Riverside projects we regularly install Jerith aluminum fencing, Bufftech vinyl fence systems, and ActiveYards products for perimeter and security applications. Belgard pavers and hardscape materials hold up well in Riverside’s hot, dry summers and Santa Ana wind conditions. We keep local supplier relationships in the Inland Empire strong so material lead times stay short and your project doesn’t stall waiting on a delivery truck from three states away.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Riverside Homes
- Deep 1920s basements with unreinforced masonry. Homes in the Wood Streets and Magnolia Center frequently have basements eight feet deep, which is rare for Southern California. Any foundation or addition work on those properties needs temporary shoring and often waterproofing before framing begins.
- Santa Ana wind loads on open-lot grading. Riverside’s location in the wind corridor means concrete cures faster and debris blows around exposed sites. Forming and curing practices have to account for wind-driven moisture loss, or you get spalling and surface cracks.
- County versus city permitting confusion. Riverside acreage projects often fall under county rules for septic and well setbacks. A contractor used to tight city lots may miss the health department review entirely, and that stalls your permit.
- Seismic retrofit requirements on pre-1980 homes. Much of Riverside’s older stock needs bolting, bracing, or foundation reinforcement to meet current code during any significant remodel. Skipping that step saves money short-term and costs far more when the inspector flags it.
Pricing for General Contractor in Riverside, CA
Riverside pricing differs from coastal markets. Land is more abundant, but permitting, grading, and seismic requirements add cost that homeowners sometimes don’t expect. Here are the ranges we quote most often for Riverside projects. Kitchen remodels run $14,000 – $45,000. Bathroom remodels land at $9,000 – $28,000. ADU construction runs $90,000 – $220,000, and garage conversions sit between $30,000 – $80,000. What moves the number? Site access, foundation condition, county permits, utility runs, and material selection. We give you a written line-item quote before any work starts, so you see exactly what each piece costs and what’s included. Call (341) 895-1170 to schedule your free estimate. No verbal ballparks. No day-one surprises.
| Project Type | Riverside Price Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
On a Magnolia Center bungalow, our crew opened the subfloor for a kitchen addition and found the original 1920s Riverside basement extending eight feet down with unreinforced masonry walls. We installed temporary shoring, worked with county inspectors to confirm load-bearing points, and scoped a full waterproofing and seismic retrofit before any rough-in began. The homeowner’s draw schedule stayed transparent, and the final inspection sign-off stayed on track. That’s what a Riverside-specific contractor does. We don’t get surprised, and neither do you.
We Also Serve Cities Near Riverside
Our crew works throughout the Inland Empire. Beyond our General Contractor work in Riverside, we serve homeowners in Loma Linda, Mira Loma, San Bernardino, and Moreno Valley. If you’re just outside city limits, call and ask. Dispatch and scheduling are coordinated from our Inland Empire office, and our crews know the roads, the permitting offices, and the soil conditions across the region. You can also see what we do across the area on our General Contractor in Riverside service page.
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
Yes, and which jurisdiction reviews the permit depends on your property’s exact location. If your lot sits in unincorporated Riverside County, the county handles building permits, septic setbacks, and well clearance reviews. Inside Riverside city limits, the city’s building department leads the process. We determine this before quoting, because it changes fees, timelines, and sometimes the ADU’s placement on the lot. Call (341) 895-1170 and we’ll pull the right records for your address.
Plan for $14,000 – $45,000 for the kitchen itself, plus additional structural work if the remodel touches the basement or foundation. Deep 1920s basements often require shoring, waterproofing, and seismic retrofit before finish work begins. We identify those costs during the estimate, not after demo. Call us for a written line-item quote specific to your bungalow.
Yes, we build detached shops, barns, and outbuildings throughout Riverside. Cost depends on the structure’s size, grading and drainage needs, electrical service runs, and whether you’re on septic and well systems that carry setback requirements. A detached structure can run anywhere from a modest garage-scale build up to six figures depending on scope. We walk the site with you before quoting so the number reflects your actual lot, not a generic template.
A draw schedule is the written plan for when payments are released during construction, tied to completed milestones rather than arbitrary dates. For a large Riverside addition, it matters because it keeps your money and the work in lockstep. You never pay for framing that hasn’t been inspected. We put the draw schedule in your contract before work starts, and we stick to it. If a project slows, your payments slow with it.
Yes. Riverside’s summer heat regularly exceeds 100°F, and Santa Ana winds accelerate moisture loss during curing. That means we schedule pours for early morning hours, use curing compounds or wet curing methods, and sometimes request wind mitigation measures from inspectors depending on the site. Rapid curing leads to surface cracking and spalling if it’s ignored. We account for it in the schedule and the price, so your slab or driveway holds up.
If you’re weighing a remodel, an addition, or an ADU on your Riverside property, start with a conversation. Trevor Nash and the Penhallow Remodeling Riverside team will give you a written price, a written guarantee, and a straight answer to every question you bring. Call (341) 895-1170 to schedule your free estimate. We answer live, around the clock, and we’ll tell you exactly what the job costs before any work begins.
Written by Trevor Nash, Owner at Penhallow Remodeling Riverside, serving Riverside and the surrounding Inland Empire.
