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 Mentone
If you’re planning a remodel, addition, or ADU in Mentone, you’re dealing with something most contractors in the Inland Empire don’t fully prepare for: county permitting, wildland-urban-interface (WUI) building codes, and decomposed-granite soils that punish a weak foundation. A general contractor serving Mentone has to understand all three, or the project stalls and the price climbs. We’re Workshop Contractors, led by Noel Figueroa, and we’ve been running projects across Mentone long enough to know which lots off Crafton Avenue need deeper piers and which roof systems pass WUI inspection the first time. Call (844) 384-3361 and we’ll talk through what you’re building, what the county will require, and what it should actually cost.
Why Workshop Contractors Is Mentone’s Preferred General Contractor Company
Mentone homeowners don’t ask us whether we can handle a job. They ask whether we know what the county and fire authority are going to require before anyone swings a hammer. That’s the difference between a contractor who builds here and one who just lists Mentone on a service-area page. Noel Figueroa has run enough projects in the 92359 zip code to know that a simple room addition on a mid-century ranch off Garnet Street can trigger foundation bolting, shear-wall upgrades, and ember-resistant vent retrofits, all before the first inspection. We scope for those from day one.
Our Mentone customers keep hiring us for a reason that’s hard to put on a business card: we carry the whole project, from the roof down to the pavers, under one contract. When a kitchen remodel means moving a load-bearing wall, replacing a window, and running new drain lines, you’re not calling three different companies and hoping they coordinate. You call one General Contractor team that owns the schedule, the permits, and the outcome. That single point of accountability matters more in Mentone than in flat, easy-lot suburbs, because the site conditions here throw curveballs that fragmented crews can’t field.
What Mentone Customers Tell Us
We hear the same thing after jobs wrap up around Mentone: “I didn’t realize how many systems interacted.” A bathroom addition isn’t just framing and tile. It’s the roof tie-in, the shear transfer through the wall, the drainage path across sandy soil, and the WUI-compliant exterior skin. Homeowners appreciate that we explain those interactions before we quote, not after the change order. That’s why our reputation in Mentone is built on written line-item proposals, fixed pricing with no change orders from avoidable oversights, and a clean permit record. We don’t hand you a number and hope for the best. We scope the job like it’s in Mentone, because it is.
Styles & brands we work with







General Contractor Services in Mentone
General Contractor Services in Mentone means something different than it does five miles down the road in Redlands. Here, the lot itself is often the biggest variable. A typical home addition in Mentone runs $45,000 to $130,000, and the spread is driven by soil conditions, WUI requirements, and whether the county requires engineered plans. An ADU on a large parcel with decomposed-granite soils usually lands between $90,000 and $220,000, because the foundation is rarely a standard slab. We scope all of it before quoting, so the number you see matches the work the county will require.
Additions and ADUs on Mentone Acreage
Most callers want a room addition, a garage conversion, or a detached ADU. On a half-acre lot east of the tracks, that often means septic setbacks, well clearance, and a longer electrical run from the service panel. We’ve built detached ADUs off Crafton Avenue where the geotech report forced deeper piers, and we’ve timed pours around red-flag shutdowns. It’s standard work for us. It’s not standard for a contractor who mostly builds infill in Redlands.

Whole-Home and Structural Renovation
When a mid-century ranch needs a new roof, windows, kitchen, and bath, we manage the envelope and the interior as one integrated project. Roof replacement in Mentone typically runs $8,000 to $20,000, window replacement $4,500 to $15,000, and a kitchen remodel $14,000 to $45,000. The advantage of one contract is that the roof crew and the cabinet crew aren’t stepping over each other’s mistakes.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
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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 Mentone
As a Construction Company in Mentone, our work splits between new ground-up structures and deep retrofits on older foothill cabins and mid-century ranch homes. A garage conversion here typically runs $30,000 to $80,000, and that range reflects whether the existing slab and walls can be reused or whether WUI and seismic upgrades push it toward the higher end. Concrete driveway installation on a long rural lot off Highway 38 runs $4,500 to $12,000, and the grading and drainage design matters more than the pour itself.
Outbuildings, Shops, and Detached Structures
Lot size in Mentone means people build shops, barns, studios, and detached garages. These trigger the same county review as a house addition: setback enforcement, fire access, and stormwater controls. We pull the permits, engineer the foundation for the actual soil, and manage the grading so runoff doesn’t end up in the neighbor’s wash. It’s the part of the job most homeowners don’t see until it’s done right.
Grading, Drainage, and Site Work
Mentone’s sandy, decomposed-granite soils drain fast in some spots and wash out in others. Before we lay a slab or pour a driveway, we look at the natural drainage path across the lot and design for it. That’s not a line item most contractors include. It’s also the line item that prevents a $45,000 addition from turning into a $60,000 repair after the first big storm in the Crafton Hills.
Trusted Brands We Service in Mentone
We source and install real, name-brand materials, because Mentone homeowners don’t want to guess what’s going into their house. For kitchens and baths, we regularly specify Caesarstone countertops, Kohler and Moen fixtures, and Blanco sinks, all of which hold up to the hard water and heavy use common in this area. We also handle Silestone repair in Mentone when homeowners need service on existing surfaces. We keep local parts access for Mentone customers through our Southern California supply relationships, which means a cracked sink or a failed valve doesn’t sit for two weeks waiting on a backorder. We source it, we install it, and we warranty the workmanship. One contractor. Every trade.
See the difference
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After
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After
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AfterCommon General Contractor Problems We See in Mentone Homes
- Engineered foundations on decomposed granite. Standard slab assumptions don’t survive a geotech report in the Crafton Hills area. We’ve seen homeowners get a low bid from a flatland contractor, only to get hit with a $15,000 change order when the soil report demands deeper piers. We scope the geotech early and price the foundation honestly the first time.
- WUI compliance retrofits triggered by remodels. When you pull permits for an addition or a roof in Mentone, the county often flags ember-resistant vents and Class A assemblies on the existing structure. We include those in the quote from day one, so inspection sign-off doesn’t come with a surprise retrofit bill.
- Red-flag shutdowns on grading and hot work. During Santa Ana wind events, the local fire authority can restrict spark-producing outdoor work like grinding, welding, and grading. A contractor who hasn’t built in Mentone sees a lost week. We see a week to shift crews to interior rough-in and framing, which keeps the draw schedule moving.
- Underestimating county permit timelines. Unincorporated county review in the 92359 area is slower than most city permit counters. We stage submittals so a geotech report or a WUI plan doesn’t stall the whole job. That sequencing is the difference between a project that starts in six weeks and one that starts in four months.
Pricing for General Contractor in Mentone, CA
Here’s what Mentone homeowners should expect to pay, based on the work we quote and build in this market.
| Project | Typical Cost in Mentone |
|---|---|
| ADU Construction | $90,000 – $220,000 |
| Home Addition | $45,000 – $130,000 |
| Garage Conversion | $30,000 – $80,000 |
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
| Concrete Driveway Installation | $4,500 – $12,000 |
What moves these numbers in Mentone specifically: soil conditions that require engineered foundations, WUI requirements on the envelope, and access constraints on long, sloped lots. We quote these variables in writing before we start, so you’re comparing real scope, not a speculative number. Call (844) 384-3361 for a free estimate on your specific project.
We Also Serve Cities Near Mentone
Workshop Contractors runs projects across the eastern San Bernardino Valley, including Redlands, Yucaipa, Highland, and Calimesa. If you’re in a neighboring city but your job has Mentone-style site conditions, General Contractor in Mentone experience translates directly. Call us and we’ll tell you whether your lot needs the same foundation and WUI scope we apply here.
Serving Mentone, CA — Our Local Coverage Area
We’re based in the Mentone 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 Mentone
Yes, and the county review timeline typically adds four to ten weeks to the front end of the project, depending on submittal completeness. Mentone falls under San Bernardino County jurisdiction, which means permits for ADUs, additions, and even some deck and retaining wall work go through county plan check, not a city counter. We submit the geotech report, WUI compliance documentation, and drainage plan as one package to avoid review cycles. Call (844) 384-3361 and we can tell you what your specific project will need at submittal.
WUI requirements typically add $1,500 to $5,000 to a roof or window replacement, depending on the assembly. Class A roofing, ember-resistant vents, and impact-rated or dual-pane windows with appropriate flashing are often non-negotiable in Mentone’s high-fire-severity zone. We bid these items into the original quote, so you’re not paying for a retrofit after inspection sign-off. Call (844) 384-3361 for a line-item quote on your roof or windows.
The decomposed-granite soils and the drainage patterns they create are the biggest challenge, because they drive foundation design and grading costs. On lots in the Crafton Hills area, a standard slab often won’t pass geotech review, and the engineered solution adds real cost and time. We include soil testing early in our scope so that cost is in the quote, not a change order. Call (844) 384-3361 and ask us about the geotech process for your specific parcel.
Often not for spark-producing work. The local fire authority can shut down grinding, welding, and grading during red-flag warnings, and in Mentone that happens more frequently than in Redlands or Highland. We plan our schedules so those days become interior rough-in, framing, or finish work, not lost time. Call (844) 384-3361 if you want to hear how we sequence a project around fire-season restrictions.
We avoid them by scoping the geotech, WUI, and drainage work before we quote, and we write fixed-priced proposals that include those known Mentone conditions. When something genuinely unknown shows up, we document it, price it in writing, and get your sign-off before proceeding. No surprises, no drifting scope. Call (844) 384-3361 to schedule a free estimate and see how we scope a Mentone project properly.
Written by Noel Figueroa, Owner at Workshop Contractors, serving Mentone and the surrounding San Bernardino Valley.