Roofing, Siding, Windows & Gutters in Derby, CT

At A Plus Exterior, we’re proud to serve homeowners in Derby, Connecticut with dependable roofing, siding, window replacement, and gutter services. If you need a quick repair or a full exterior upgrade, our team delivers high-quality workmanship, clear communication, and clean, professional results—at competitive pricing.

Derby’s river-valley location means homes see wind-driven rain, snow, freeze/thaw cycles, and heavy seasonal debris, so proper installation and drainage matter.

Our Derby, Connecticut Exterior Services

Roofing Services in Derby, CT

  • Roof inspections and leak troubleshooting

  • Roof repairs (shingles, flashing, vents, skylight areas)

  • Full roof replacements

  • Storm and wind damage support

Siding Services in Derby, CT

  • Siding repairs and full siding replacement

  • Trim and fascia repairs

  • Weatherproofing to help prevent moisture intrusion and drafts

  • Options to match your home’s style and budget

Window Installation & Replacement in Derby, CT

  • Window replacement and new window installation

  • Energy-efficiency upgrades for comfort and lower utility costs

  • Proper sealing/flashing to help prevent leaks and drafts

Gutter Services in Derby, CT

  • Gutter cleaning and routine maintenance

  • Gutter repairs (leaks, loose gutters, poor pitch)

  • New gutter installation and downspout upgrades

  • Drainage improvements to help protect foundations and landscaping

Why Derby Homeowners Choose A Plus Exterior

  • Skilled, detail-focused craftsmanship

  • Reliable scheduling and responsive communication

  • Respectful crews and thorough cleanup

  • 100% satisfaction guarantee on our work

Get a Free Estimate in Derby, CT

If you need roofing, siding, windows, or gutters in Derby, call 203-693-2225 to schedule your free consultation and estimate. You can also visit our contact page to send us a message.

Call now: 203-693-2225

10 Fun Facts About Derby, Connecticut

  1. Derby is Connecticut’s smallest city by land area (a big history in a small footprint).

  2. Derby’s population estimate (July 1, 2024) is 12,915.

  3. The Sterling Opera House was built in 1889 and is listed on the National Register of Historic Places.

  4. The Sterling Opera House sits right across from the Derby Green in downtown Derby.

  5. The General David Humphreys House (birthplace of Revolutionary War officer David Humphreys) is operated by the Derby Historical Society.

  6. Osbornedale State Park offers trails, fishing, picnic areas, and access to the Osborne Homestead Museum and gardens.

  7. Osbornedale State Park is located in Derby and Ansonia, just east of the Housatonic River.

  8. Derby is part of a historic region with deep roots—celebrating its 350th anniversary (chartered May 13, 1675) with year-long events.

  9. Derby’s downtown is rich with historic sites and plaques highlighting local history.

  10. With river-valley weather and lots of trees, Derby homeowners often prioritize strong roofing systems and properly pitched gutters/downspouts to handle runoff and seasonal debris. (Local relevance tied to the area’s geography and parks.)