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 Home Remodeling Across San Antonio Heights
Home remodeling in San Antonio Heights is different from work down the hill. Most homes here sit on steep, sloping lots with county-level permitting, septic systems, and wildfire construction standards shaping every decision from foundation to roofline. San Mateo Construction handles that complexity under one contract, so you’re not juggling a structural engineer, a county permit expediter, and three separate trade crews. We scope the hillside, the access, the setbacks, and the fire-hardening requirements before we ever quote a number.
Noel Carrington leads our team, and we’ve remodeled enough homes off Mountain Avenue, Euclid, and the canyon roads to know what San Bernardino County will flag and what it won’t. If you’re planning a whole house remodel, an addition, or a detached ADU, call (855) 901-7266 for a free estimate that accounts for your lot’s actual conditions.
Why San Mateo Construction Is San Antonio Heights’s Preferred Home Remodeling Company
Most remodelers coming up from Upland or Rancho Cucamonga don’t think about county geotechnical reviews until the county stops their job. We do. San Antonio Heights sits in an unincorporated pocket of San Bernardino County, which means permits go through the county, not the City of Upland, and any hillside grading, new retaining wall, or addition on a slope typically triggers a geotechnical report before construction starts. We plan for that review from day one, which keeps your schedule intact and your permit from stalling.
Our team also understands the housing stock here: 1950s through 1970s custom ranches and split-levels on large sloping lots, many with detached garages and original plumbing and electrical that has to be upgraded carefully, not patched. We’ve pulled county permits for structural changes off Mountain Avenue, coordinated geotech reports for retaining walls, and worked around septic and well setbacks that flatland builders never think about. One contractor, every system, from roofline to foundation.
Styles & brands we work with







Whole House Remodel in San Antonio Heights
A whole house remodel in San Antonio Heights typically runs $45,000 to $130,000 depending on square footage, hillside access, and the condition of the existing structure. These projects usually involve opening up the floor plan inside a mid-century ranch or split-level, replacing all plumbing and electrical, reconfiguring kitchens and baths, and often adding square footage or rebuilding a detached garage. Because so many homes here were built between the 1950s and 1970s, we regularly find cast-iron drain lines, undersized electrical panels, and framing that doesn’t meet current seismic code. We factor that into the scope before we quote, not after.
Homeowners in San Antonio Heights choose a whole house remodel when a piecemeal approach stops making sense: when the kitchen, both baths, the flooring, and the windows all need work, and you’d rather live through one construction cycle than three. The county permitting and hillside reviews also favor doing the work once, comprehensively, rather than pulling separate permits for five smaller jobs spread over years.
Structural and Systems Upgrades
On a whole house remodel, the hidden work matters more than the finishes. We replace old galvanized or cast-iron plumbing, rewire for modern panel capacity, and reinforce load-bearing walls where previous owners cut corners. In San Antonio Heights, that structural work often has to clear county inspection on top of everything else, so we build it right the first time.
Open Floor Plans and Mid-Century Reconfiguration
These split-levels and ranches were built with small, compartmentalized rooms. Opening a kitchen into a living space usually means removing or reinforcing a bearing wall, which on a hillside home can involve additional engineering. We handle the engineering, the county submittal, and the construction as one continuous process so the floor plan you want is the floor plan that gets built.
Luxury Home Remodeling in San Antonio Heights
Luxury home remodeling in San Antonio Heights spans $45,000 to $130,000 for a full transformation, and the difference comes down to material selection, custom millwork, and the level of finish you want on a hillside property that demands real structural care. This is where your home’s setting, looking up at the San Gabriel Mountains or out across the valley, becomes the focal point of the design. We help you choose from curated name-brand options, Cambria or Silestone countertops, James Hardie siding, Kohler or Grohe plumbing fixtures, rather than whatever the local lumberyard happens to stock.
For homeowners in the foothills who want a high-end result without managing a designer, a structural engineer, and multiple trade crews separately, this is the service that consolidates everything. One licensed general contractor handles the entire scope from exterior to interior, so the same team re-roofing your home can also rebuild your kitchen and install a paver driveway. That single-point accountability is the difference between a remodel that finishes and one that drags on through change orders.
High-End Finishes and Brand-Name Materials
We carry relationships with 50+ industry-recognized brands across cabinetry, countertops, plumbing, windows, and siding, so you’re selecting from vetted manufacturers, not mystery brands. KraftMaid or Wellborn cabinetry, Caesarstone counters, Toto fixtures, PGT windows. For every budget tier, there’s a name-brand option we can stand behind.
Outdoor Living and Fire-Hardened Design
Because San Antonio Heights sits in a high fire severity zone with hot, dry summers and seasonal Santa Ana winds, luxury outdoor spaces here require Chapter 7A-compliant materials. James Hardie siding, Class A roofing, and hardscaping choices from Belgard or Techo-Bloc all factor into a design that looks expensive and actually holds up against wildfire risk.
Trusted Brands We Service in San Antonio Heights
We maintain direct supplier relationships with James Hardie for siding, Plant Prefab and Boxabl for ADU and prefab construction, and Tuff Shed for detached outbuildings and workshops. For San Antonio Heights homeowners, that means shorter lead times on specialty materials and access to modern prefab options that most traditional remodelers in San Bernardino County simply don’t offer. If you’re planning a detached ADU or a hillside shop, we can pair a Plant Prefab or Boxabl unit with a site-built foundation, county permits, and all utilities under one contract. No separate vendors. No finger-pointing.
See the difference
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AfterCommon Home Remodeling Problems We See in San Antonio Heights Homes
- Permit stalls from skipped geotech reviews. We’ve seen projects halted halfway because a homeowner or out-of-area contractor pulled permits for hillside grading without a geotechnical report. The county stop-work order alone can cost weeks, and the redesign usually costs thousands more than doing it right the first time.
- Material hauling on steep, unpaved driveways. Narrow dirt or gravel driveways off Mountain Avenue and the canyon roads mean delivery trucks can’t always reach the house. We bring materials up in smaller loads or stage them at the base and shuttle up, which adds labor but protects your landscaping and your schedule.
- Septic and well setbacks blocking additions. Adding square footage or an outbuilding on a lot with a septic tank or private well means the county will check setback distances before approving anything. Miss that early and your permit gets denied, and your design goes back to the drawing board.
- Older electrical and plumbing that fails mid-remodel. 1950s and 1960s homes here often have original panels and galvanized plumbing. We budget for full replacement rather than patching, because opening a wall and finding corroded pipe is not the time to find out.
Pricing for Home Remodeling in San Antonio Heights, CA
Here’s what San Antonio Heights homeowners can expect for the most common project scopes. These ranges reflect local conditions: hillside access, county permitting and geotechnical review, and the age of the housing stock.
| Project | Typical Range |
|---|---|
| Whole House Remodel | $45,000 – $130,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
What moves the price on a hillside lot: the slope itself, the condition of your driveway and how close we can get equipment, whether county geotechnical review applies, how far your septic tank or well sits from the new work, and what the existing framing and systems look like once we open walls. We scope all of that before quoting, so the number you sign is the number you build to. Call (855) 901-7266 for a free estimate.
We Also Serve Cities Near San Antonio Heights
While this page is written for homeowners in San Antonio Heights, we also handle remodels in Upland, Claremont, Rancho Cucamonga, and Montclair. The permitting, the access, and the fire-hardening requirements change once you drop down off the foothills, but the same single-contractor accountability applies. If you’re in a neighboring city and want a quote that reflects your actual conditions, call (855) 901-7266.
Serving San Antonio Heights, CA — Our Local Coverage Area
We’re based in the San Antonio Heights 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 Home Remodeling in San Antonio Heights
Yes. San Antonio Heights is unincorporated, so structural, plumbing, electrical, and mechanical permits go through San Bernardino County, not the City of Upland. Any hillside grading, retaining wall over a certain height, or addition on a slope typically triggers a county geotechnical review before approval. We pull all permits and coordinate the review as part of the project. Call (855) 901-7266 to get your project scoped for county submittal.
They directly limit where you can build. San Bernardino County enforces minimum distance requirements between new structures, septic tanks, leach fields, and private wells, and those setbacks are measured from the property line and from each other. Adding square footage or an outbuilding without checking setbacks first is the fastest way to get a permit denied and a redesign forced. We verify setbacks during the feasibility phase, before design dollars get spent. Call (855) 901-7266 for an estimate that includes setback verification.
A whole house remodel in San Antonio Heights typically runs $45,000 to $130,000, with hillside access, septic and well setbacks, and county geotechnical review all affecting where your project lands in that range. The low end covers a systems upgrade and cosmetic refresh on a smaller home with good access; the high end covers structural work, full systems replacement, and high-end finishes on a steep lot. Call (855) 901-7266 for a written line-item quote on your specific home.
Because San Antonio Heights sits on steep canyon terrain at the base of the San Gabriel Mountains, and because it’s unincorporated, so San Bernardino County requires geotechnical review on grading and slope work that flatland cities like Upland or Rancho Cucamonga would never flag. The review looks at soil stability, drainage, erosion, and the effect of your new structure on neighboring lots. Skipping it gets you a stop-work order. We include it in the scope from the start. Call (855) 901-7266 to discuss your lot’s specific grading requirements.
We stage materials and shuttle them. On a steep lot off Mountain Avenue, we remodeled a 1960s split-level where the driveway was narrow and unpaved, so full-size delivery trucks couldn’t reach the house. Our crew hauled materials up in smaller loads, pulled county permits for the structural changes, and coordinated a geotech report for a new retaining wall before rough-in could start. That’s how we handle every hillside project in San Antonio Heights: plan the access first, then quote the job. Call (855) 901-7266 for a free estimate that accounts for your driveway.
Ready to plan your remodel? Call (855) 901-7266 or reach out through our Home Remodeling service page to schedule a free, no-pressure estimate. We’ll walk your lot, check your setbacks, and give you a straight answer on what your project will cost in San Antonio Heights, not the flatlands.
Written by Noel Carrington, Owner at San Mateo Construction, serving San Antonio Heights and San Bernardino County.