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 San Antonio Heights
Finding a General Contractor who understands San Antonio Heights means finding someone who knows the difference between a county plan check and a city one. That difference is everything up here. Homes in this unincorporated foothill community sit on larger lots, steeper grades, and wildland-urban interface zones that flatland contractors rarely deal with. We do. Whether you’re planning a room addition off a ridge lot or a full roof replacement under WUI fire codes, our team handles the county submittal chain from first drawing to final sign-off. Call (866) 623-7205 to schedule a free estimate and get a straight answer about what your project will actually require.

Why Square Deal Contractors Is San Antonio Heights’s Preferred General Contractor Company
San Antonio Heights homeowners deal with a permitting reality that surprises a lot of outside bidders. Everything routes through San Bernardino County building and fire, not a city counter. That means hillside grading reviews, WUI ignition-resistant material checks, and a longer submittal timeline. We’ve run that sequence enough times to know exactly which documents the county wants and in what order. It saves our clients weeks of back-and-forth and keeps projects moving instead of stalling mid-permit.
Our reputation in and around 91784 is built on honesty about what county approval actually takes. No contractor should bid a hillside addition without first checking slope-stability requirements. We do that before we hand you a number, because giving you a number that won’t survive plan check isn’t a quote, it’s a guess. Nolan Breckett set the standard for that kind of transparency, and it holds across every crew we send into San Antonio Heights.
We also carry the material relationships that matter here. For roofing and exterior work under WUI fire codes, we specify brands like GAF and CertainTeed because they manufacture Class A fire-rated product lines accepted by county fire review. For fixtures and finishes, we can pair premium lines like Grohe with dependable value options depending on your budget. One contractor, every phase, from roofline to backyard.
Styles & brands we work with







Residential General Contractor in San Antonio Heights
A residential General Contractor in San Antonio Heights does more than schedule subs. This role means managing the county approval chain, the hillside conditions, and the material specifications that keep a project compliant and insurable. A typical room addition near Euclid Avenue or the ridge lots above the valley floor falls between $45,000 and $130,000 depending on foundation scope and finish level. Roof replacement work under wildland-urban interface requirements generally runs $8,000 to $20,000, with Class A fire-rated materials as the standard, not an upgrade.
County Plan Check and Hillside Requirements
Any structural addition in San Antonio Heights starts with a slope-stability and grading review through San Bernardino County. That often triggers a soils report before foundation design can be finalized. Skipping that step gets bids rejected at plan check and leaves the owner holding a stalled permit. We include that review in our initial scope so the number we quote reflects the real project, not a hypothetical flat-lot version of it.
WUI Material Specifications
Roofing, siding, and decks up here must meet ignition-resistant standards the county fire department enforces. That means Class A roofing, ember-resistant venting, and exterior materials rated for WUI zones. A compliant quote lists these products by name and rating. A cheap quote often doesn’t, and the savings evaporate the first time a fire inspection fails or an insurance adjuster asks for documentation.
Hire a General Contractor in San Antonio Heights
When you hire a General Contractor in San Antonio Heights, you’re hiring someone to manage the full scope under one contract and one point of accountability. That matters more in San Antonio Heights than in most places because the county review process touches nearly every trade from foundation to finish. A whole-home remodel with structural work can run anywhere from $45,000 to $130,000 depending on square footage and existing conditions. ADU construction on larger lots typically falls between $90,000 and $220,000, with prefab partnerships through companies like Abodu and Plant Prefab offering faster paths to permit-ready designs.
Single-Contract Accountability
Most remodelers in the area specialize in one or two trades. That leaves a San Antonio Heights homeowner coordinating a roofer for the WUI work, a framer for the addition, and a separate crew for finishes. We carry the entire scope, so county inspections, trade schedules, and material delivery sit under one responsible party.
Well and Septic Considerations
San Antonio Heights is largely on well and septic, not municipal sewer. Any bathroom remodel or room addition that touches plumbing triggers a county environmental health review separate from building. We’ve managed enough of those to know when a perc test or septic capacity assessment has to be ordered. That’s the kind of local detail that keeps a project from getting two months into permitting only to find out the system can’t support the addition.

Trusted Brands We Service in San Antonio Heights
We don’t push a single supplier’s catalog. Our vetted portfolio spans more than 50 recognized brands so the material selection matches your project and your budget, not our margin. For San Antonio Heights roofing and exterior work, GAF and CertainTeed produce the Class A fire-rated product lines county fire review accepts without pushback. For plumbing fixtures, Grohe gives us a premium option when you want European-grade hardware, while value-tier brands cover the same function at a lower cost. The point is honest brand-tier flexibility with contractor accountability intact. We’ll tell you exactly what you’re getting and why.
See the difference
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AfterCommon General Contractor Problems We See in San Antonio Heights Homes
- Hillside foundations overlooked at bid stage. The original 1950s and 1960s ranch homes along the foothill lots often sit on foundations never designed for today’s seismic and slope-stability standards. A contractor who bids without a soils report will get stopped at county plan check, and the homeowner pays for the delay.
- WUI material substitutions after the contract. Some bidders spec a cheaper roofing or siding product to win the job, then discover county fire won’t approve it. The change order hits later, and the owner either pays up or accepts a non-compliant exterior that can complicate an insurance claim.
- Well and septic capacity ignored on remodels. Adding a bathroom or converting a garage to living space changes water demand and waste load. County environmental health can hold the permit until a septic capacity review comes back clean, which some contractors don’t flag until it’s already a problem.
- Drainage and erosion left out of scope. Steep grades and winter rain mean every addition, deck, or hardscape project needs a drainage plan that keeps runoff off the foundation and the slope stable. Skipping it saves money on paper and costs far more after the first wet season.
Pricing for General Contractor in San Antonio Heights, CA
San Antonio Heights pricing reflects the county review process and the hillside conditions, not just labor and materials. Below are the ranges we consistently see for the major project types up here. A free estimate gives you a fixed number tied to a defined scope, so there’s no surprise invoice after the first county review.
| Project Type | Typical Range in San Antonio Heights |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Roof Replacement | $8,000 – $20,000 |
| Impact Window Installation | $8,000 – $25,000 |
What moves the number is the county-required work: slope-stability reviews, WUI-rated materials, septic capacity checks, and the inspection schedule that goes with them. A quote that doesn’t include those line items isn’t cheaper, it’s incomplete. Call (866) 623-7205 and we’ll walk the property, check the county requirements, and hand you a written scope with real numbers.
We Also Serve Cities Near San Antonio Heights
While we’re up in the foothills regularly, we also work throughout the surrounding valley. Our General Contractor in San Antonio Heights service reaches Upland, Claremont, Rancho Cucamonga, and Montclair. Each city has its own permit counter and its own quirks. Upland and Rancho Cucamonga run through city plan checks rather than county, so the process shifts but the quality of the work doesn’t.
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 General Contractor in San Antonio Heights
Yes. San Antonio Heights sits in a wildland-urban interface zone, so roof replacements must clear San Bernardino County fire review and meet Class A ignition-resistant standards. A contractor who skips that clearance leaves you with a non-compliant roof that can fail an insurance claim after a Santa Ana wind event. We pull that clearance as part of every roofing permit, and the GAF and CertainTeed products we specify are already rated for it. Call (866) 623-7205 for an exact quote on a compliant roof replacement.
A room addition in San Antonio Heights routes through San Bernardino County building and fire plan checks, while Upland handles permitting through its own city counter. The county process adds hillside grading review, slope-stability documentation, and WUI material checks that a flatland city permit never triggers. That’s why a contractor who primarily works Upland or Rancho Cucamonga can underbid the job and then stall at county plan check. We’ve cleared that chain enough times to submit it right the first time.
It should include a soils report or slope-stability review, Class A fire-rated roofing, ignition-resistant siding, shear-wall design for wind loads, and a drainage and erosion plan. It should also list the county inspection milestones, including rough-in framing and shear-wall nailing before sign-off. If any of those line items are missing, the quote is not for a compliant San Antonio Heights addition. We include them in writing before you sign anything.
Yes. Insurers increasingly ask for proof that roofing, siding, and vents met wildland-urban interface standards before paying a fire or wind claim. If your contractor can’t produce county fire acceptance and product documentation, your claim can be reduced or denied. We keep a paper trail for every WUI-rated product we install, including manufacturer specs and county sign-offs, and we hand you the file at project close. That documentation is part of the job, not an add-on.
Yes, significantly. A bathroom remodel that adds a fixture or changes drainage can trigger a San Bernardino County environmental health review of your septic system’s capacity. If the system can’t support the new demand, the remodel scope has to expand or change. We check that early in the estimate process so you’re not two months into permitting before finding out the septic system needs work. Estimates are free, and we’ll tell you upfront what the county will actually require.
Written by Nolan Breckett, Owner at Square Deal Contractors, serving San Antonio Heights and the surrounding foothill communities.
Planning a project in San Antonio Heights? Call (866) 623-7205 for a free estimate. We’ll walk your property, check the county requirements, and give you a written scope with real numbers. No runaround, no surprise invoices.