Home builder
Home builder Services in Fontana, CA
5 specialized services available
Castillos Construction Services builds new homes and accessory dwelling units (ADUs) for homeowners throughout Fontana, Riverside, Monrovia, Upland, Jurupa, Rancho Cucamonga, and Highland. With over 30 years of construction experience, we handle residential building from foundation to final walkthrough.
Home builder
Serving Fontana, CA and the Inland Empire
Services
Home builder Services in Fontana, CA
Choose from our full range of new construction services, whether you're building a primary residence or an ADU on your property.
New Home Construction
Castillos Construction Services builds new homes in Fontana and across the Inland Empire.
- A new home built to current California energy codes reduces monthly utility costs from day one
- Foundation and framing designed for Fontana's seismic and wind load requirements adds long-term structural durability
- Building new means every system, from electrical to plumbing, starts fresh with no hidden wear or deferred maintenance
ADU Construction
Castillos Construction Services builds ADUs for homeowners in Fontana and across the Inland Empire.
- Adds a fully independent living space to your property without requiring you to move
- Detached ADUs in Fontana can reach up to 1,200 sq ft, giving real room for family or tenants
- A permitted ADU increases your property's assessed improvements and resale appeal
Custom Home Building
Castillos Construction Services builds custom homes in Fontana and across the Inland Empire to your exact plan.
- A floor plan built around your lifestyle, not a builder's standard template
- Structural decisions made with Fontana's hot climate and local soil conditions in mind
- One construction team managing your build from site prep through final finish
Residential Building
Castillos Construction Services handles residential building projects across Fontana and the surrounding Inland Empire.
- Solid residential construction built to hold up in the Inland Empire's hot, dry climate
- Owner with deep trade experience overseeing your project from start to finish
- Service across Fontana, Riverside, Rancho Cucamonga, Upland, Highland, Monrovia, and Jurupa
Home Building Consultation
Castillos Construction Services offers home building consultation in Fontana and across the Inland Empire.
- Get a clear picture of your project scope before committing to construction
- Understand how Fontana's local zoning and city code requirements apply to your lot
- Avoid costly plan changes by catching site and design conflicts early
Why Choose Us
What sets us apart for Home builder
Licensed General Contractor
New Home Construction
ADU Specialist
Renovation & Addition Expert
Ready to get started?
Seen the work. Ready to talk about your project?
FAQ
Common Questions About Home builder in Fontana, CA
Straight answers to the questions customers ask before hiring a local contractor.
Yes, we specialize in ADU construction throughout the area, including Fontana, Riverside, and surrounding communities.
We build new homes in Fontana, Riverside, Monrovia, Upland, Jurupa, Rancho Cucamonga, and Highland.
We manage the complete construction process from site preparation through final inspection and occupancy.
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Call us directly. Real answers, no scripts.
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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