Contact & Estimates

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Let’s Build Your Vision

Whether you have a detailed blueprint or just a rough idea, we’re ready to help you navigate your next construction project. Reach out today to schedule a consultation and see why Hahn Contracting has been Westchester’s choice for “Conception to Completion” since 1988.

Get in Touch

Call Our Office
Speak directly with our team to discuss your project needs or schedule an on-site estimate.

Email Us
Send US your project details or architectural plans, and we’ll get back to you within 24 business hours.

Visit Our Thornwood Office

Business Hours

  • Mon - Fri: 8:00 AM - 5:00 PM
    Sat & Sun: By Appointment

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Modern house surrounded by lush trees

Our Service Area

Based in Thornwood, we proudly serve homeowners and businesses throughout the Tri-State Area (New York, New Jersey, and Connecticut).

The Hahn Guarantee

Hahn Contracting is a fully licensed and insured New York General Contractor. We prioritize safety, professionalism, and clean job sites on every single project, guaranteed.