--- title: "D & M Exteriors" description: "D & M Exteriors describes itself on its website as an owner-operated seamless gutter installation company serving Southern NH, Maine and the greater Seacoa" doc_version: "2026-10-21" last_updated: "2026-10-21" --- # D & M Exteriors **Trade:** Windows / Siding / Gutters · **Address:** 118 Rochester Hill Rd, Rochester, NH 03867 · **Phone:** (603) 335-8308 · **Website:** http://www.dmseamlessgutters.com/ · **Languages:** English **Rating: 3.7/5** (low confidence) — from 5 reviews across 8 sources. 100% of sentiment-scored reviews read net-positive. Last 6 months: 1 reviews, 0 negative. ## The honest read D & M Exteriors describes itself on its website as an owner-operated seamless gutter installation company serving Southern NH, Maine and the greater Seacoast, including Dover, Rochester and Portsmouth. The company says it has been in business 20 years and offers free estimates. A 2022 customer described a gutter installed to protect a heat pump and said David provided care details to help limit ice buildup in the gutter and downspout. A 2010 customer said Dave and a co-worker finished the job earlier than expected. A 2010 customer said gutters had been taken down and were due to be put back up, and praised the work done so far. **Strengths:** - A protective gutter — a 2022 customer described installation to protect a heat pump - Gutter care advice — a 2022 customer said David explained limiting ice buildup - An early finish — a 2010 customer said Dave finished sooner than expected ## Claims & citations Every claim below is backed by real evidence rows — uncited claims are dropped in code before publication. - The website describes D & M Exteriors as an owner-operated seamless gutter installer serving Southern NH, Maine and the greater Seacoast, including Dover, Rochester and Portsmouth. _(confidence: high)_ - [Official Website](http://www.dmseamlessgutters.com) — “About (self-reported, verbatim): About D & M Exteriors, LLC D & M Exteriors, LLC is an owner operated seamless gutter installation company s…” - The company says it has been in business 20 years and offers free estimates. _(confidence: high)_ - [Official Website](http://www.dmseamlessgutters.com) — “Stated offer (self-reported): free estimates” - [Official Website](http://www.dmseamlessgutters.com) — “Self-reported 20 years in business” - A 2022 customer described a gutter installed to protect a heat pump and said David provided care details to limit ice buildup in the gutter and downspout. _(confidence: high)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUQtdnE3Y3pRRRAB!2m1!1s0x0:0x3755fe533bc2b123!3m1!1s2@1:CIHM0ogKEICAgID-vq7czQE%7C%7C?hl=en-US) — “5★ 5-start rating is based on the professional installation of a gutter to help protect a heat-pump. Though it was a small job, David took t…” - A 2010 customer said Dave and a co-worker finished the job earlier than expected. _(confidence: high)_ - [Angi](https://www.angi.com/companylist/us/nh/rochester/dm-exteriors-reviews-1.htm?page=2) — “Excellent service so far, excellent material so. Dave is a down to earth guy who understands what you want and the job. Both Dave and his co…” - A 2010 customer said gutters had been taken down and were due to be put back up. _(confidence: high)_ - [Angi](https://www.angi.com/companylist/us/nh/rochester/dm-exteriors-reviews-1.htm?page=2) — “We have been very happy with his work. He took down the gutters and will put them up again. We are pleased with his work.” - A 2022 customer described installation of a gutter to protect a heat pump. _(confidence: high)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUQtdnE3Y3pRRRAB!2m1!1s0x0:0x3755fe533bc2b123!3m1!1s2@1:CIHM0ogKEICAgID-vq7czQE%7C%7C?hl=en-US) — “5★ 5-start rating is based on the professional installation of a gutter to help protect a heat-pump. Though it was a small job, David took t…” - Specializes in Windows / Siding / Gutters _(confidence: high)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUQtdnE3Y3pRRRAB!2m1!1s0x0:0x3755fe533bc2b123!3m1!1s2@1:CIHM0ogKEICAgID-vq7czQE%7C%7C?hl=en-US) — “5★ 5-start rating is based on the professional installation of a gutter to help protect a heat-pump. Though it was a small job, David took t…” - [Official Website](http://www.dmseamlessgutters.com) — “About (self-reported, verbatim): About D & M Exteriors, LLC D & M Exteriors, LLC is an owner operated seamless gutter installation company s…” - [Angi](https://www.angi.com/companylist/us/nh/rochester/dm-exteriors-reviews-1.htm?page=2) — “We have been very happy with his work. He took down the gutters and will put them up again. We are pleased with his work.” ## License NH doesn't license or register this trade, so there's no state registry to check. That's true of every business in this trade, not specific to this one. ## Sources - [Google Reviews](https://www.google.com/maps/search/?api=1&query=D%20%26%20M%20Exteriors&query_place_id=ChIJ-7ucdaSb4okRI7HCO1P-VTc): Listed on this source - [Better Business Bureau](https://www.bbb.org/us/nh/rochester/profile/gutter-contractor/d-m-exteriors-llc-0051-13004044): Listed on this source - [Local News](https://www.localprobook.com/nearme/gutter/ossipee.nh.html): Listed on this source - [Reddit](https://www.reddit.com/r/TerrainBuilding/comments/tos902/our_dm_crafted_an_entire_train_with_removable/): 0 community mentions discussing this business - [Google](https://www.google.com/maps/search/?api=1&query=D%20%26%20M%20Exteriors&query_place_id=ChIJ-7ucdaSb4okRI7HCO1P-VTc): 5.0★ from 5 ratings - [Angi](https://www.angi.com/companylist/us/nh/rochester/dm-exteriors-reviews-1.htm?page=2): 4.6★ from 28 ratings - [Official Website](http://www.dmseamlessgutters.com): 20 yrs in business · Self-reported profile and service details - [Exa](https://www.dmseamlessgutters.com/): 0 web mentions across the open web (each linked to its source) ## Recent reviews - **5/5 · Google Reviews · Michelle Lamothe · 2026-07-27**: Thanks Michael for the great job you and your workers did on our reroofing. I’m very happy that we went with you for the work and I will recommend you to others. - **5/5 · Google Reviews · Frederick Slama · 2022-11-30**: 5-start rating is based on the professional installation of a gutter to help protect a heat-pump. Though it was a small job, David took time to provide me with additional care details to help limit ice build-up within the gutter (and downspout.) These days it is so hard to find people that are real… - **Angi · electa G. · 2010-10-01**: Very good commnication,service and price - **Angi · Lance B. · 2010-10-01**: Excellent service so far, excellent material so. Dave is a down to earth guy who understands what you want and the job. Both Dave and his co-worker arrived here to do the job and busted ass and was done earlier then I had expected. Good Job Dave. - **Angi · Gary B. · 2010-05-01**: We have been very happy with his work. He took down the gutters and will put them up again. We are pleased with his work. --- Data freshness: last scanned 2026-10-18T06:09:34.543Z. Cite as: D & M Exteriors — Tavlee (https://tavlee.com/contractor/d-and-m-exteriors) Source: https://tavlee.com/contractor/d-and-m-exteriors ## Sitemap [Full site index](https://tavlee.com/sitemap.md)