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 Rancho Cucamonga
A general contractor in Rancho Cucamonga manages the entire build: permits, structural work, trades, materials, and inspections. Most full-scale remodels and additions here run $45,000 to $130,000 depending on scope, with kitchen work at $14,000 – $45,000 and baths at $9,000 – $28,000. We work across all four ZIP codes: 91737, 91739, 91701, and 91729.
We’re Iron Beam Contractors, and we’ve spent enough time inside Rancho Cucamonga homes to know exactly what’s behind those 1970s ranch walls and what the foothill slopes demand of a foundation. Call us at (833) 756-5936 and we’ll walk your property, look at what you actually have, and give you a written line-item estimate before any commitment.
Why Iron Beam Contractors Is Rancho Cucamonga’s Preferred General Contractor Company
Rancho Cucamonga homeowners don’t need a coordinator who hands work to whoever answers the phone. They need one contractor who owns the schedule, the permit file, and the finished product. That’s how we operate. Nolan Driscoll leads every project from the first inspection to the final county sign-off, so you’re never chasing a sub about something the general should have caught.
Our work here spans the older single-family core near the 91701/91730 boundary and the larger hillside parcels in 91737 and 91739. We know the difference between a flat-lot remodel and a graded-slope addition, and we quote them differently because they are different jobs. We’ve built our local reputation on carrying projects through San Bernardino County’s permit process without stalling the draw schedule or surprising the homeowner with costs they never approved.
Styles & brands we work with
Hire a General Contractor in Rancho Cucamonga
You hire a General Contractor when the project touches structure, systems, or multiple trades and you need one accountable party from blueprint to final inspection. In Rancho Cucamonga that often means a kitchen gut, a bathroom rebuild, a room addition, an ADU, or a garage conversion. Home additions here run $45,000 – $130,000. ADU construction runs $90,000 – $220,000. Garage conversions land at $30,000 – $80,000. The exact figure follows the scope, but these are the ranges we write into Rancho Cucamonga contracts every month.
What happens before we quote
We inspect the house first. Not a walkthrough with a clipboard; a real look at framing, electrical, plumbing, and waterproofing. On a 1970s ranch near the 91730 core, our crew opened a kitchen wall for a load-bearing removal and found aluminum branch wiring and a subfloor soft from a decades-old slow leak. We stopped, sent the homeowner a written change order with the framing and wiring repair priced separately from the original scope, and only resumed after their approval, then carried it through county inspection sign-off.
That’s not an obstacle. That’s the job done right. A contractor who skips this step is pricing a fantasy.
How the contract protects you
We build allowances into every Rancho Cucamonga remodel contract for exactly what an older home tends to reveal: wiring, framing, waterproofing, and code-triggered upgrades. Any change order gets priced in writing and approved by you before our crew touches it. No verbal approvals, no surprise line items at the end.
General Contractor Services in Rancho Cucamonga
General Contractor Services in Rancho Cucamonga cover the full scope of residential construction under one agreement: interior remodeling, exterior envelope work, and outdoor hardscape. We don’t sub out the accountability. Iron Beam manages every phase, every trade, and every inspection. Kitchen remodels run $14,000 – $45,000 here. Bathrooms run $9,000 – $28,000. A new roof runs $8,000 – $20,000. Windows, doors, driveways, patios, fencing, and ADUs all fall under the same contract and the same point of contact.
Interior remodeling
Kitchen and bath work in Rancho Cucamonga means opening walls that are forty to fifty years old. We quote for what we can see and write allowances for what we cannot. KraftMaid cabinetry, Cambria or Silestone counters, and Kohler or Toto fixtures go in with the same attention to the rough framing behind them.
Additions and ADUs
A room addition or ADU in Rancho Cucamonga almost always involves permitting, grading questions, and foundation work. In the foothill tracts, it also involves HOA architectural review before the county will issue permits. We handle both gates in sequence. Plant Prefab and Tuff Shed units are available through our ADU partnerships, specified for the site rather than forced onto it.
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 Rancho Cucamonga
We work with a defined set of manufacturers because we want to stand behind what goes into your house. KraftMaid cabinetry, James Hardie siding, and Tuff Shed structures are three we specify regularly for Rancho Cucamonga projects. When we quote a James Hardie exterior on a foothill home above the 91737 tract, we’re choosing a material that holds up to Santa Ana wind and dry heat better than generic fiber cement alternatives. We don’t keep a warehouse of parts, but we order directly through our supplier accounts, which keeps turnaround tight for Rancho Cucamonga customers and keeps warranty claims simple: one contractor, one chain of responsibility.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Rancho Cucamonga Homes
- Aluminum branch wiring in 1970s ranches. Homes near the 91701/91730 core were built when aluminum was common, and any open-up remodel triggers a code review. We price the repair before we start, not after the inspector flags it.
- Failed waterproofing behind old shower surrounds. By the time Rancho Cucamonga homeowners call us, the tile has been holding water against the framing for years. The fix is a full tear-out to the studs, new Schluter waterproofing, and a rebuilt surround, not a caulk job.
- Graded rear slopes on foothill lots. In 91737 and 91739, any addition or pool project sits against a grade that wants to move. Retaining walls and drainage have to be designed and permitted before anything else happens, and HOA review comes first.
- Undersized framing from original construction. Older Rancho Cucamonga homes weren’t built for today’s open-concept spans. When we remove a load-bearing wall, we often find the existing header was barely doing its job. We size the new header to current code and pull the permit for it.
Pricing for General Contractor in Rancho Cucamonga, CA
Rancho Cucamonga pricing follows the scope, but these are the ranges we write into contracts in this market today:
| Project | Typical Range |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Garage Conversion | $30,000 – $80,000 |
What moves the number? Square footage, structural work, the condition of what’s behind the walls, and whether you’re on a flat lot or a graded slope. Foothill work costs more because drainage and retaining are almost never optional. We give free estimates with line-item pricing so you can see exactly where the money goes. Call (833) 756-5936 to schedule yours.
We Also Serve Cities Near Rancho Cucamonga
Our crews work throughout the Inland Empire. We serve San Antonio Heights, Upland, Ontario, and Fontana with the same full-scope general contracting, including General Contractor work and Rancho Cucamonga projects across all four ZIP codes.
Serving Rancho Cucamonga, CA — Our Local Coverage Area
We’re based in the Rancho Cucamonga 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 Rancho Cucamonga
Because homes built in the 1970s through 1990s frequently hide aluminum wiring, undersized or rotted framing, and failed waterproofing, and any of these triggers code upgrades once the wall is opened for inspection. We write allowances into the contract for exactly these conditions, so the cost was never a surprise, it was an anticipated line item. Call (833) 756-5936 for a free estimate.
Yes. In the 91737 and 91739 foothill neighborhoods, HOA architectural review must clear before San Bernardino County will issue permits for additions, ADUs, pools, or any work touching the exterior. We run both reviews in sequence and don’t pull a county permit until the HOA letter is in hand. Call (833) 756-5936 and we’ll map the sequence for your specific property.
We design them as part of the foundation scope, not as an afterthought. Graded rear slopes in 91737 and 91739 mean retaining and drainage are almost always required before footings go in. The design goes through the same HOA-then-county review sequence. Call (833) 756-5936 for a site evaluation.
A permit creates a county inspection record that verifies structural, electrical, plumbing, and mechanical work meets current code. It protects you at resale, with your insurer, and when a future buyer asks what was done to the house. We pull all permits and carry each project through final inspection. Call (833) 756-5936 to discuss your project.
We price the change in writing, separate from the original scope, and send it to you for approval before our crew touches the affected area. Nothing gets done on verbal approval. You’ll see the labor, the materials, and the permit impact, and you decide. Call (833) 756-5936 to schedule your free estimate and we’ll walk through how this works on your house.
Written by Nolan Driscoll, Owner at Iron Beam Contractors, serving Rancho Cucamonga and the surrounding Inland Empire.