Home builder
New home construction and ADU building across the Inland Empire.
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- ADU Construction
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- Residential Building
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Service Area
Home builder in Fontana, CA
Fontana sits in San Bernardino County along the I-10 and 210 corridors, where summer temperatures regularly push past 105°F. That heat puts real stress on building materials, from concrete slabs that expand and crack to wood framing that dries and shifts. The housing stock ranges from post-war tracts near Sierra Avenue to newer master-planned subdivisions in North Fontana and communities like Sierra Lakes, Hunter's Ridge, and Southridge. Homeowners across these neighborhoods are adding new construction and ADUs to lots that often run large enough to support a detached second unit.
Service Location
Fontana, CA
CA Service Area
No extra travel fees for this area
Communities we serve
- Serving Fontana, CA since 2019
- California Licensed Contractor
- New Homes & ADU Specialist
Fontana, CA
Home Builder
Castillos Construction Services in Fontana, CA
Built for Fontana's Heat and Lot Conditions
Fontana's valley floor heat regularly exceeds 105°F in summer. That affects how we sequence a build, what materials we specify, and how we protect framing and concrete during curing. We plan around the climate so the finished structure holds up over time, not just at move-in.
The owner of this business spent more than 30 years in a trade that required precise installation and problem-solving on residential properties before opening a construction company in 2019. That background shapes how we approach every project, from the first site visit through the final walkthrough.
Fontana's housing stock is split between older south-side neighborhoods and newer north-end subdivisions. We build new homes and ADUs in both contexts. Whether the lot is in a 1960s tract near Sierra Avenue or a newer community near the 210 corridor, we design the build around what the specific parcel can support.
At a glance
- Serving Fontana, CA since 2019
- Free written estimates with no obligation
- Premium options most contractors don't carry — we explain the differences honestly
- Responsive scheduling and clear communication from estimate to completion
Our Services in Fontana, CA
Every service, available in Fontana, CA
Home building and ADU construction are both active in Fontana. Newer subdivisions in the 92336 and 92337 zip codes draw buyers who want modern layouts and open floor plans built from the ground up. On the south side, larger lots near Southridge Village give homeowners the yard space to add a detached ADU without crowding the primary residence. Additions and renovations round out the work, particularly in the older 1940s-to-1960s tracts near Sierra Avenue where original floor plans feel tight by today's standards.
General contractor
Additions, renovations, and remodeling work for residential properties.
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Construction company
Site preparation, framing, and structural work for residential projects.
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Client Reviews
What Fontana, CA customers say.
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Serving Fontana, CA
Free on-site estimate. No commitment required.
Our crew knows Fontana, CA. We will show up on time, assess the job honestly, and give you a clear written number before asking you to decide anything.
Also serving across the Inland Empire:
FAQ
Home Builder FAQ for Fontana, CA
Common questions from Fontana, CA customers about our services, process, and coverage.
Many lots in the Southridge Village area are large enough to support a detached ADU with the required 4-foot rear and side setbacks. Lot size, existing structures, and utility connections all factor into what can be built. We assess the specific parcel before any plans are drawn.
Newer subdivisions in North Fontana and communities like Coyote Canyon and Hunter's Ridge feature Spanish Revival and New Traditional designs. We build to match the character of the surrounding neighborhood while meeting current structural and energy requirements for San Bernardino County.
Yes. Concrete curing and wood framing both behave differently when temperatures exceed 100°F. We schedule exterior work around the heat and select materials rated for the Inland Empire's UV and thermal exposure so the structure performs correctly from the start.
Yes. Many homes in the older south-side tracts were built with compact floor plans that no longer fit how families live today. We design and build additions that connect cleanly to the existing structure and match the original roofline and exterior finish.
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Find Us
Proudly Based in Fontana, CA
Stop by, call, or book online — we're always nearby when you need us.
Phone
(909) 430-8752Hours
- Monday 8:00 AM - 5:00 PM
- Tuesday 8:00 AM - 5:00 PM
- Wednesday 8:00 AM - 5:00 PM
- Thursday 8:00 AM - 5:00 PM
- Friday 8:00 AM - 5:00 PM
- Saturday Closed
- Sunday Closed