Antonjo Construction Inc. is a licensed and insured building additions contractor serving Hopewell Junction, NY and nearby areas. With over 10 years of experience, we help homeowners expand their living space through well-planned home additions that integrate seamlessly with the existing structure. Whether you’re adding a new room, expanding your kitchen, or building an additional level, our team focuses on quality construction, clear communication, and dependable project management from start to finish.
Building Addition Services in Hopewell Junction, NY
We provide comprehensive building addition services designed to increase space, comfort, and long-term value, including:
- Room additions
- Second-story additions
- Kitchen and living space expansions
- In-law suite and guest room additions
- Structural expansions and framing
- Foundation and structural work
As a local building additions contractor in Hopewell Junction, we manage every phase of the project—from planning and permits to construction and final walkthrough—so your addition is built correctly and safely.
Our Building Addition Process
Building an addition requires careful planning and coordination. Our structured process keeps your project organized and on track:
- Initial consultation and site evaluation
- Design planning and scope development
- Budget review and scheduling
- Construction and structural work
- Final walkthrough and project completion
You’ll always know what’s happening, what comes next, and how your project is progressing.
Custom Building Additions Designed for Your Home and Commercial Space
No two homes are the same, which is why every building addition project we handle is fully customized. We take the time to understand your goals, budget, and timeline before creating a plan that fits your vision. Our team also provides expert guidance on materials, layout, and building requirements to ensure your addition complies with local codes and integrates smoothly with your home.
You may also explore our related services to support your project:
Why Homeowners and Business Owners in Hopewell Junction Choose Us
Homeowners and Business Owners choose Antonjo Construction for building additions because we prioritize reliability, craftsmanship, and transparency:
- Licensed and insured contractor serving Hopewell Junction, NY
- Over a decade of residential construction experience
- Clear communication and realistic project timelines
- Careful coordination of trades and inspections
- Focus on durable, code-compliant construction
Our goal is to deliver an addition that feels like it was always part of your home. We pride ourselves on attention to detail, clear communication, and dependable timelines. From structural integrity to finishing touches, we focus on delivering a building addition that enhances both form and function. You can view examples of our work in our project gallery:
Planning a Building Addition in Hopewell Junction, NY?
If you’re considering a home or building addition, speak directly with a licensed local contractor who understands the scope and complexity of these projects. Antonjo Construction Inc. provides clear guidance, realistic estimates, and professional results you can trust.
Request for a free estimate here.

