O’Donnell Roofing & Carpentry | General Contractors & Roofing in Derry, NH 03038

Our free estimate process begins with using satellite imagery to get accurate initial measurements of your existing roof or property layout. This allows us to provide you with a fast, preliminary scope and ballpark figure before we even visit, saving you time. For Derry homeowners, this is especially helpful for planning projects like new roofs, siding replacements, or home additions. We then schedule an in-person consultation to discuss your specific needs, inspect any areas of concern (like chimney flashing or shingle condition), and finalize a detailed, transparent quote.

Absolutely. Shingle curling and chimney flashing leaks are common issues we address for homeowners in Derry and across Southern New Hampshire. Our roofing crews are experienced in diagnosing the root cause, whether it's ventilation issues leading to premature shingle aging or failed flashing seals. We don't just patch the leak; we provide a thorough repair or a complete roof replacement if needed, using materials suited for our local climate. Properly addressing these problems protects your home's structure and prevents interior damage.

Yes, as a full-service general contractor, we manage the complete construction process for new structures. Whether you're looking to build a detached garage, a guest house (ADU), a modular home, or a single-family home from the ground up, we coordinate all phases. This includes carpentry, roofing, siding, and integrating other trades. Our family-run approach means you have a single, reliable point of contact from the initial design and permitting stages right through to the final finishing touches, ensuring a smooth and efficient build.