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 Grand Terrace
Hiring a General Contractor in Grand Terrace usually means one thing: your home was built decades ago, the lot is on a slope, and you want the work done once, correctly, with a permit and a paper trail. That’s exactly the kind of job we take on. We’re Elmwood Contractors, led by Nolan Shepherd, and we’ve spent enough time on hillside streets above the I-215 and along Blue Mountain to know what opening a 1960s wall actually turns up. If you’re planning a remodel, addition, or ADU in the 92313 ZIP, call (866) 253-8554 and we’ll walk the site with you before anyone swings a hammer.
Why Elmwood Contractors Is Grand Terrace’s Preferred General Contractor Company
Grand Terrace isn’t a flat-lot tract city. Almost none of the original housing was built yesterday, and plenty of it was modified by owner-builders who never pulled permits. That’s a different job than new construction. Local homeowners call us because when we quote a project in Grand Terrace, the quote already accounts for what these hillside homes really contain: original stucco over wood frame, aging retaining walls, and the code upgrades that kick in the moment a permit is filed. We name the brands going into your home before the contract is signed, and we don’t bury the cost of the unknown.
Nolan Shepherd runs every Grand Terrace job with one point of contact, one schedule, and one standard for written change orders. When a surprise shows up behind the drywall, it’s priced, explained, and approved in writing before we proceed. That’s how you keep a five-figure remodel from becoming a fight at the end of the job. Our customers in Grand Terrace value that as much as the finished work itself.
Styles & brands we work with







General Contractor Services in Grand Terrace
General Contractor Services in Grand Terrace means coordinating every trade on a project that touches existing framing, hillside soil, and current building code. Most of what we do here falls into four buckets: kitchen and bath remodels, room additions to existing floor plans, ADU or garage conversions on lots that can’t expand outward, and exterior envelope upgrades like roofing, windows, and retaining walls. A kitchen remodel in Grand Terrace typically runs $14,000 – $45,000. A bathroom remodel runs $9,000 – $28,000. Those ranges reflect what the hillside lots and 1960s-to-80s construction actually require, not a generic Southern California number.
Remodels That Open Walls
When we open a Grand Terrace kitchen or bath, the inspection almost always finds something: outdated wiring, undersized framing, or failed waterproofing behind original tile. That’s not a failure of the quote. It’s the reality of the housing stock. We write allowances into the contract for those findings, so the number you sign is the number you can plan around, with any adjustment coming as a written change order.

Additions and ADUs on Sloped Lots
A Grand Terrace room addition or ADU starts with the slope, not the floor plan. Before new framing goes up, we check the retaining wall, drainage, and whether any prior owner-builder work was done without permits. We’ve re-engineered slopes behind failing original wood walls more than once in Grand Terrace. It’s not padding the quote; it’s the difference between a building that passes inspection and one that doesn’t.

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 Grand Terrace
A Construction Company working in Grand Terrace has to think differently than one building in a new tract. There is almost no undeveloped land left in this city of roughly 12,000 people. So construction here means reworking what’s already standing: additions on terraced lots, garage conversions into living space, and re-roofs on stucco and wood-frame homes that have been baking in Inland Empire heat for fifty years. A home addition in Grand Terrace typically runs $45,000 – $130,000. An ADU construction project runs $90,000 – $220,000, and a garage conversion runs $30,000 – $80,000.
Exterior Envelope and Slope Work
The hillside lots above the I-215 don’t forgive shortcuts. Intense winter rain on steep graded slopes makes drainage and erosion control a recurring concern. We inspect the retaining walls and site grading as part of any exterior or addition quote in Grand Terrace, because a new room bolted to a failing slope is a problem that gets worse by the year.
Roof, Window, and Hardscape Systems
Dry Santa Ana wind events push wildfire defensiveness in hillside neighborhoods. That’s a real permitting conversation in Grand Terrace, especially when adding square footage. We bring manufacturer-backed systems to the table: GAF and Owens Corning for roofing, PGT and CGI for impact-rated windows, and Belgard or Unilock for pavers and retaining structures. The product gets chosen for the climate and the lot, not because it’s convenient for us.
Trusted Brands We Service in Grand Terrace
We don’t show up in Grand Terrace with whatever the local supply house had on the shelf. Our material list is vetted. For cabinets we use KraftMaid and Wellborn. For countertops it’s Cambria, Silestone, or Caesarstone, depending on budget and use. When a Grand Terrace job calls for fiber-cement siding, we specify James Hardie. When a project leans prefab, we bring Plant Prefab and Tuff Shed into the conversation. One contractor, every trade, interior to exterior, with the brands named before the contract is signed.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Grand Terrace Homes
- Outdated wiring behind original walls. Mid-century homes in Grand Terrace were built for different electrical loads. Opening a wall for a remodel almost always triggers a partial rewire to meet current code.
- Original wood retaining walls near the end of their life. On the hillside streets above the freeway, we regularly find wood retaining walls that have been rotting for decades. Any addition nearby has to address the slope first.
- Unpermitted additions from earlier owner-builder remodels. A previous owner’s “extra room” can sit outside current code. When we open it up, the fix often means re-framing load-bearing members and pulling new permits before any new work starts.
- Water intrusion at stucco and window transitions. Inland heat and winter rain stress the original stucco and window flashing on 1960s-80s homes. Roof and window replacement quotes in Grand Terrace should include a look at the transitions, not just the surface.
Pricing for General Contractor in Grand Terrace, CA
These are real ranges for Grand Terrace, sized for the housing stock and slope conditions here. A kitchen remodel runs $14,000 – $45,000. A bathroom remodel runs $9,000 – $28,000. A full home addition runs $45,000 – $130,000. An ADU runs $90,000 – $220,000, and a garage conversion runs $30,000 – $80,000. On the exterior side, a roof replacement runs $8,000 – $20,000, and window replacement runs $4,500 – $15,000. What moves the number in Grand Terrace is usually what’s behind the wall or under the slope, not the finishes. We write allowances for that up front.
| Project | Typical Grand Terrace Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
Call (866) 253-8554 for a free estimate. We’ll walk your Grand Terrace lot, check the slope, and give you a written line-item quote before you sign anything.
We Also Serve Cities Near Grand Terrace
Our crew covers Grand Terrace and the surrounding Inland Empire communities. We regularly work in Highgrove, Colton, Loma Linda, and Rubidoux. Same hills, same housing stock, same standard of written, permit-ready work on every job.
Serving Grand Terrace, CA — Our Local Coverage Area
We’re based in the Grand Terrace 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 Grand Terrace
Because the homes were built between the 1960s and 1980s, and many have been modified by owner-builders without permits. Opening a wall in Grand Terrace reliably exposes outdated wiring, undersized framing, or failed waterproofing. We write allowances for these findings into the contract before work begins, so the quote you approve already names the likely unknowns. Any actual change gets priced as a written change order you approve first. Call (866) 253-8554 and we’ll show you exactly how the allowance works for your specific home.
Yes. Grand Terrace is a built-out city with code enforcement that checks additions and conversions closely. A garage conversion or ADU on a terraced lot requires structural, electrical, plumbing, and often slope or retaining-wall review. We pull the permits, pass the inspections, and bring the existing unpermitted work up to code where it touches the new construction. That’s the difference between a finished ADU and a failed final inspection.
We stop, document what’s there, and bring you a written change order with the cost to correct it. On a hillside street above the I-215, we opened a kitchen wall and found original wood framing sistered to an earlier owner-builder remodel plus an unpermitted addition behind the stucco. We re-engineered the slope behind the failing retaining wall and pulled permits for the corrected load-bearing work before any new framing went up. You approve every number before we touch it.
We treat it as part of the design, not an add-on. Dry Santa Ana conditions in the hillside neighborhoods push defensible space and ember-resistant detailing into the permit conversation. On additions and ADUs, we specify fire-rated assemblies where required, ember-resistant venting, and non-combustible siding options like James Hardie. The material is chosen for the climate first, then the budget.
Inspection first, allowances second, written change orders third. We inspect the slope, the retaining walls, the electrical panel, and the existing framing before we quote. We write line-item allowances for the discoveries that Grand Terrace’s housing stock reliably turns up. Then anything outside the signed scope gets priced, explained, and approved in writing before we proceed. Call (866) 253-8554 to see a sample allowance schedule for your project.
Written by Nolan Shepherd, Owner at Elmwood Contractors, serving Grand Terrace and the Inland Empire.