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 Sunnyslope
If you’re planning a remodel, addition, or ADU in Sunnyslope, you need a general contractor who understands Riverside County permitting, well and septic setbacks, and open-lot grading, because those three things shape nearly every project here. A typical Sunnyslope kitchen remodel runs $14,000 to $45,000, while an ADU construction project lands between $90,000 and $220,000. We’re Workshop Contractors, led by Noel Figueroa, and we’ve been running single-source construction projects across the 92509 corridor long enough to know exactly where the surprises hide. Call (844) 384-3361 and we’ll walk your parcel with you before any quote is written.
Why Workshop Contractors Is Sunnyslope’s Preferred General Contractor Company
Sunnyslope homeowners don’t call us because they want someone to swing a hammer. They call because they’ve been told three different things by three different specialty contractors and nobody is on the hook for how the roof tie-in meets the new ADU wall, or whether the septic setback forces the shop six feet east. That’s the problem we solve. One General Contractor team, one contract, one schedule, and one person accountable when the county inspector asks a question.
Noel Figueroa built Workshop Contractors around the reality that most renovation problems are coordination problems, not skill problems. We carry vetted relationships across roofing manufacturers like GAF and CertainTeed, window and door brands like PGT and Therma-Tru, and kitchen surfaces from Cambria and Caesarstone. In Sunnyslope specifically, that means we’re not sending you to a showroom in Riverside to make a decision someone else will have to live with. We source and we install. The material conversation happens with the same team that builds the wall.
And because we’re based nearby in Ontario, we’re in Sunnyslope weekly, not monthly. The 92509 area is part of our regular service loop, which means we know the county permit counter, the inspector cadence, and the difference between a standard tract build and a rural-residential parcel off the Santa Ana River corridor. That local knowledge doesn’t show up on a bid sheet, but it shows up in whether your slab pour gets delayed waiting on a septic sign-off.
Styles & brands we work with







General Contractor Services in Sunnyslope
General Contractor Services in Sunnyslope mean something different than they do ten minutes away in Jurupa Valley or Eastvale. Here, a project routinely involves county permitting, well and septic setback review, grading and drainage, and often a detached shop or ADU all running through one scope. A home addition in Sunnyslope typically runs $45,000 to $130,000. A garage conversion runs $30,000 to $80,000. Those numbers move based on how much site work your specific parcel needs before framing even starts.
Whole-Project Scope and Sequencing
When a Sunnyslope homeowner hires us for a bigger engagement, we scope the full path: demolition, rough-in, county inspections, material delivery windows, and final sign-off. On large lots, we often sequence around grading and drainage work first, because a swale that isn’t cut before the rainy season becomes an expensive redo later. That’s not a city problem. It’s a Sunnyslope problem.

Interior and Exterior Renovation Under One Roof
Sunnyslope’s housing stock blends mid-century ranch homes with newer infill builds. On the older structures, we’re often tying a kitchen or bath remodel into structural repair, roof replacement, or a window upgrade at the same time. Running those as separate contracts with separate contractors is how budgets quietly blow. Running them as one engagement is how the drywall goes up once, not three times.

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.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Construction Company in Sunnyslope
Construction Company work in Sunnyslope covers a lot more than interior demolition and finish carpentry. Because the community sits unincorporated in Riverside County, a construction company here has to understand how grading permits, well and septic setbacks, and outbuilding approvals interact on the same parcel. A paver driveway installation in Sunnyslope runs $7,000 to $18,000, and a concrete driveway installation runs $4,500 to $12,000, but those numbers assume your site access and drainage plan are workable on day one.
Site Work, Grading, and Drainage
Sunnyslope sits in the hot, dry Inland Empire with strong Santa Ana winds and seasonal flash-flood potential along the Santa Ana River drainage. That means drainage and grading are not afterthoughts here, they’re prerequisites. We’ve held slab pours until a county drainage swale was cut and inspected, because pouring concrete before the seasonal flow path is confirmed is how you buy a cracked slab and a county stop-work order in the same week.
Outbuildings, Shops, and Detached ADUs
On large county-island parcels, a single project frequently means coordinating a detached shop, an ADU, and the main house addition all on the same graded pad. Those approvals run on different timelines through Riverside County. We write those allowances and the rough-in sequencing into the scope of work before we quote, so your draw schedule isn’t held hostage waiting on an inspection sign-off that should have been planned for months earlier.
Trusted Brands We Service in Sunnyslope
We don’t ask Sunnyslope homeowners to compromise on material quality just because their parcel is farther from a supply yard. We work directly with manufacturers like James Hardie for siding, Cambria and Caesarstone for countertops, and Kohler and Grohe for plumbing fixtures. For fencing, we stock and install Master Halco, Barrette, and Jerith product lines, which matters on rural-residential lots where property lines run long and privacy fences see real wind load. Because we carry those vendor relationships in-house, we’re not sending you to a third-party showroom or waiting on a sub to source what he can find cheapest. We quote the material, we order the material, and we install it.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Sunnyslope Homes
- County permit timelines treated like city permit timelines. A Sunnyslope addition or ADU runs through Riverside County, not a city building department. The reviews, inspections, and sign-off cadence are different, and a scope priced like a Jurupa Valley tract build is a scope that goes over budget by default.
- Well and septic setbacks discovered after the grading plan is priced. If an ADU or shop footprint gets redrawn because it violates a well setback, the slab and rough-in numbers change. We flag those setbacks on the first site walk, not after the excavator shows up.
- Long material hauls and equipment access on large open lots. Sunnyslope parcels can be big, and getting a concrete truck or a truss delivery to the back of the property isn’t the same as a city lot with street frontage. We line-item equipment access and haul distances so the budget reflects the actual job, not a suburban template.
- Drainage and grading work left until after the slab is poured. The Santa Ana River drainage influence is real, and seasonal water has to go somewhere. We cut the swale, confirm the grade, and get it inspected before the pour, because fixing drainage after a slab is in is the most expensive version of that lesson.
Pricing for General Contractor in Sunnyslope, CA
Here are the honest numbers for the work we scope most often in Sunnyslope. These are market-calibrated for the 92509 area, not pulled from a national database without local context:
| Project Type | Typical Sunnyslope Range |
|---|---|
| ADU Construction | $90,000 – $220,000 |
| Home Addition | $45,000 – $130,000 |
| Garage Conversion | $30,000 – $80,000 |
| Paver Driveway Installation | $7,000 – $18,000 |
| Concrete Driveway Installation | $4,500 – $12,000 |
What moves a Sunnyslope project within those ranges? Site access, septic and well setback reviews, whether grading or drainage work is required before the main scope starts, and the material tier you choose. A Cambria countertop and a stock laminate both work, but they’re different numbers on the same line item. We walk the parcel, we pull the county records, and we give you a written line-item quote that reflects your actual site, not a generic square-foot multiplier. Estimates are free.
We Also Serve Cities Near Sunnyslope
Workshop Contractors runs projects across the surrounding Inland Empire communities. We work in Glen Avon, Pedley, and Rubidoux, and we’re in Riverside regularly for larger additions and remodels. If you’re in one of those areas and need a General Contractor in Sunnyslope-adjacent territory, the same team and the same material relationships apply. Call (844) 384-3361 and we’ll set up a site walk on your schedule.
Serving Sunnyslope, CA — Our Local Coverage Area
We’re based in the Sunnyslope 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 Sunnyslope
Everything in Sunnyslope runs through Riverside County because the community is an unincorporated county island, not an incorporated city. That means grading, building, and septic/well reviews all happen through county departments, and the timelines and fees are different from what a homeowner in Jurupa Valley or Eastvale would experience. We handle every permit and inspection submittal on your behalf. Call (844) 384-3361 to get your specific parcel checked against current county requirements.
Well and septic setbacks in Sunnyslope determine where a structure can physically sit on your parcel, and those setback distances are set by Riverside County, not by a city code. If an ADU or shop footprint lands too close to a well or septic tank, the entire plan gets redrawn, which changes the grading, slab, and rough-in numbers. We identify those setbacks on the first site visit and write the approved footprint into the quote. Call (844) 384-3361 for a site walk that covers this before you spend money on plans.
Large Sunnyslope lots usually require moving more earth, cutting swales, and confirming drainage paths that a standard city subdivision never thinks about. The parcel sits in the Santa Ana River drainage influence, and seasonal flash-flood potential means a drainage plan is not optional. We price grading by actual yardage and equipment access on your specific lot, not by a flat rate. Call (844) 384-3361 and we’ll walk the grade with you before quoting the scope.
No, permits in Sunnyslope are how you avoid a stop-work order, a redo, and a property sale problem later. Riverside County enforces grading, septic, and building codes on unincorporated parcels, and a scope that skips them is a scope that fails the next sale inspection. We pull every permit, schedule every inspection, and build the inspection wait times into the construction schedule up front. Call (844) 384-3361 and we’ll explain exactly what your project needs before you sign anything.
We line-item haul distances, equipment access, and material staging in the original quote, so you’re not surprised when a truss delivery costs more on a rural-residential parcel than it does on a city street. We also order materials from our established vendor relationships, which means we’re not paying retail freight for a one-off delivery. On one Sunnyslope parcel near the Santa Ana River corridor, we wrote every allowance and rough-in sequence into the scope before the slab was poured, and the project stayed on draw schedule through county sign-off. Call (844) 384-3361 to get the same treatment on your project.
Written by Noel Figueroa, Owner at Workshop Contractors, serving Sunnyslope and the Inland Empire since day one.