--- title: "DanMar Construction LLC" description: "A recent DanMar Construction customer hired it to replace a sewer drain line beneath a concrete basement floor, and said Mark and his crew cut through the " doc_version: "2026-10-19" last_updated: "2026-10-19" --- # DanMar Construction LLC **Trade:** General Contractor / Remodeling · **Address:** North Haven, CT · **Phone:** (203) 234-0292 · **Website:** https://www.danmarconstructionllc.com/ · **Languages:** English **Rating: 4.0/5** (low confidence) — from 2 reviews across 7 sources. ## The honest read A recent DanMar Construction customer hired it to replace a sewer drain line beneath a concrete basement floor, and said Mark and his crew cut through the concrete, removed the old pipe, put in a new one, backfilled and poured fresh concrete over the repair, then cleaned the work area. That customer added that Mark answered all their questions throughout the job. The company describes itself as a North Haven remodeling contractor serving all of Connecticut and says it has more than 15 years of experience. In 2025, a customer said Mark and his crew put an addition in their basement, kept the site neat and clean, and were easy to reach by text or phone. That 2025 customer also said the price was reasonable. It holds 4 stars from 4 Google ratings, and its BBB grade is A+. Connecticut lists its home improvement contractor registration, HIC.0629206, as active, held by DanMar Construction LLC. **Strengths:** - Sewer line replacement — a recent customer said the crew cleaned up afterward - A basement addition — a 2025 customer said the site stayed neat and clean ## Claims & citations Every claim below is backed by real evidence rows — uncited claims are dropped in code before publication. - Describes itself as a North Haven remodeling contractor serving all of Connecticut with over 15 years of experience _(confidence: medium)_ - [Official Website](https://www.danmarconstructionllc.com) — “About (self-reported, verbatim): Dan Mar Construction, located in North Haven and serving all of Connecticut, is your trusted partner in you…” - Replaced a sewer drain line beneath a concrete basement floor and poured fresh concrete over the repair _(confidence: high)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2xoMlNXOTRSREJEVFRGUmIyUXdPRkJvUlhKbFNsRRAB!2m1!1s0x0:0x447ba306e2fd1b53!3m1!1s2@1:CAIQACodChtycF9oOlh2SW94RDBDTTFRb2QwOFBoRXJlSlE%7C%7C?hl=en-US) — “5★ I hired Mark and his crew to remove and replace a sewer drain line that was beneath my concrete basement floor. They cut through the conc…” - A 2025 customer said Mark and his crew put an addition in their basement _(confidence: high)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJVHE0cmZDMThDcXVRRRAB!2m1!1s0x0:0x447ba306e2fd1b53!3m1!1s2@1:CIHM0ogKEITq4rfC18CquQE%7C%7C?hl=en-US) — “5★ Mark and his crew did a fabulous job putting an addition in our basement. We highly recommend them. His workers were very meticulous with…” - A 2025 customer said the site was kept neat and clean and the price was reasonable _(confidence: medium)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJVHE0cmZDMThDcXVRRRAB!2m1!1s0x0:0x447ba306e2fd1b53!3m1!1s2@1:CIHM0ogKEITq4rfC18CquQE%7C%7C?hl=en-US) — “5★ Mark and his crew did a fabulous job putting an addition in our basement. We highly recommend them. His workers were very meticulous with…” - 4 stars from 4 Google ratings _(confidence: high)_ - [Google](https://www.google.com/maps/search/?api=1&query=DanMar%20Construction&query_place_id=ChIJi8EkCg_R54kRUxv94gaje0Q) — “Google: 4★ from 4 ratings” - BBB grade of A+ _(confidence: high)_ - [Better Business Bureau](https://www.bbb.org/us/ct/north-haven/profile/home-improvement/danmar-construction-llc-0111-87070507) — “Better Business Bureau grade: A+” - Connecticut lists its home improvement contractor registration, HIC.0629206, as active, held by DanMar Construction LLC. _(confidence: high)_ - [State License Registry](https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx) — “CT hic license HIC.0629206 registry-verified active — registry holder of record: DANMAR CONSTRUCTION LLC” - Specializes in General Contractor / Remodeling _(confidence: medium)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJVHE0cmZDMThDcXVRRRAB!2m1!1s0x0:0x447ba306e2fd1b53!3m1!1s2@1:CIHM0ogKEITq4rfC18CquQE%7C%7C?hl=en-US) — “5★ Mark and his crew did a fabulous job putting an addition in our basement. We highly recommend them. His workers were very meticulous with…” - [Official Website](https://www.danmarconstructionllc.com) — “About (self-reported, verbatim): Dan Mar Construction, located in North Haven and serving all of Connecticut, is your trusted partner in you…” - Also offers Plumbing _(confidence: low)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2xoMlNXOTRSREJEVFRGUmIyUXdPRkJvUlhKbFNsRRAB!2m1!1s0x0:0x447ba306e2fd1b53!3m1!1s2@1:CAIQACodChtycF9oOlh2SW94RDBDTTFRb2QwOFBoRXJlSlE%7C%7C?hl=en-US) — “5★ I hired Mark and his crew to remove and replace a sewer drain line that was beneath my concrete basement floor. They cut through the conc…” ## License Status: **active** (#HIC.0629206, hic) — verified against the official CT state registry on 2026-10-19, never self-reported. Re-check at the official registry: https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx ## Sources - [Porch](https://pro.porch.com/north-haven-ct/general-contractors/danmar-construction-llc/pp): Listed on this source - [Google](https://www.google.com/maps/search/?api=1&query=DanMar%20Construction%20LLC&query_place_id=ChIJi8EkCg_R54kRUxv94gaje0Q): 4.0★ from 4 ratings - [Google Reviews](https://www.google.com/maps/search/?api=1&query=DanMar%20Construction%20LLC&query_place_id=ChIJi8EkCg_R54kRUxv94gaje0Q): Listed on this source - [Official Website](https://www.danmarconstructionllc.com): 15 yrs in business · Self-reported profile and service details - [BuildZoom](https://www.buildzoom.com/contractor/danmar-construction-llc): Listed on this source - [Better Business Bureau](https://www.bbb.org/us/ct/north-haven/profile/home-improvement/danmar-construction-llc-0111-87070507): Listed on this source - [Local News](https://danmarlandscapes.com/): Listed on this source ## Recent reviews - **5/5 · Google Reviews · Roy Franco · 2026-08-29**: I hired Mark and his crew to remove and replace a sewer drain line that was beneath my concrete basement floor. They cut through the concrete, removed the old pipe, replaced it with a new pipe, backfilled, and poured fresh concrete over the repair. The finished job looks great, and they cleaned eve… - **5/5 · Google Reviews · Mark DeFranco · 2025-06-05**: Mark and his crew did a fabulous job putting an addition in our basement. We highly recommend them. His workers were very meticulous with their work and kept the site neat and clean. Mark was very easy to work with and easy to contact by text or phone. He was reasonably priced and open to any sugges… --- Data freshness: last scanned 2026-10-13T09:45:26.908Z. Cite as: DanMar Construction LLC — Tavlee (https://tavlee.com/contractor/danmar-construction-llc-north-haven) Source: https://tavlee.com/contractor/danmar-construction-llc-north-haven ## Sitemap [Full site index](https://tavlee.com/sitemap.md)