--- title: "Highmark Roofing & Siding" description: "A house whose roof plywood had delaminated and was leaking got a total roof replacement from Highmark Roofing & Siding, and that customer said on Thumbtack" doc_version: "2026-10-19" last_updated: "2026-10-19" --- # Highmark Roofing & Siding **Trade:** Roofing · **Address:** Waterbury, CT · **Phone:** (203) 560-8573 · **Website:** https://highmarkroofingllc.com/ · **Languages:** English **Rating: 3.8/5** (low confidence) — from 4 reviews across 3 sources. ## The honest read A house whose roof plywood had delaminated and was leaking got a total roof replacement from Highmark Roofing & Siding, and that customer said on Thumbtack the job was handled quickly and left spotless. The company describes itself on Thumbtack as working in roofing, gutters and siding. Gutters come into it too. A customer wrote that Luis cleaned the gutters and put guards in so the leaves would not get back in, and called the price reasonable and affordable. A 2025 customer left a short "Good job" on Thumbtack, where the company holds a 5.0-star rating from 3 ratings. Connecticut lists its home improvement contractor registration, HIC.0703650, as active, held by Highmark Roofing & Siding LLC. **Strengths:** - A full roof replacement — a customer said the job was left spotless - Gutter guards — a customer said Luis cleaned gutters and fitted guards - A fair price — a customer called the gutter job reasonable and affordable ## Claims & citations Every claim below is backed by real evidence rows — uncited claims are dropped in code before publication. - A customer described a total roof replacement on a house whose plywood had delaminated and was leaking _(confidence: high)_ - [Thumbtack](https://www.thumbtack.com/ct/waterbury/roofing/highmark-roofing-siding/service/539566005417394198?spotlightWebMarkupEnabled=1) — “5★ Highly recommended, very professional. The house needed a total roof replacement the plywood had delaminated and was leaking. Highmark di…” - A customer said the roof job was handled quickly and left spotless _(confidence: medium)_ - [Thumbtack](https://www.thumbtack.com/ct/waterbury/roofing/highmark-roofing-siding/service/539566005417394198?spotlightWebMarkupEnabled=1) — “5★ Highly recommended, very professional. The house needed a total roof replacement the plywood had delaminated and was leaking. Highmark di…” - A customer said Luis cleaned the gutters and installed gutter guards _(confidence: high)_ - [Thumbtack](https://www.thumbtack.com/ct/waterbury/roofing/highmark-roofing-siding/service/539566005417394198?spotlightWebMarkupEnabled=1) — “5★ Luis was such a great help to me, he cleaned my gutters very well and placed my guards in so that the leaves won’t get back in. He did it…” - A customer called the gutter job's price reasonable and affordable _(confidence: medium)_ - [Thumbtack](https://www.thumbtack.com/ct/waterbury/roofing/highmark-roofing-siding/service/539566005417394198?spotlightWebMarkupEnabled=1) — “5★ Luis was such a great help to me, he cleaned my gutters very well and placed my guards in so that the leaves won’t get back in. He did it…” - Describes itself on Thumbtack as working in roofing, gutters and siding _(confidence: medium)_ - [Thumbtack](https://www.thumbtack.com/ct/waterbury/roofing/highmark-roofing-siding/service/539566005417394198?spotlightWebMarkupEnabled=1) — “About (Thumbtack, self-described): We bring years of hands-on experience in roofing, gutters, and siding, combined with a commitment to qual…” - 5.0 stars from 3 ratings on Thumbtack _(confidence: high)_ - [Thumbtack](https://www.thumbtack.com/ct/waterbury/roofing/highmark-roofing-siding/service/539566005417394198?spotlightWebMarkupEnabled=1) — “Thumbtack: 5.0★ from 3 ratings” - Connecticut lists its home improvement contractor registration, HIC.0703650, as active, held by Highmark Roofing & Siding LLC. _(confidence: high)_ - [State License Registry](https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx) — “CT hic license HIC.0703650 registry-verified active — registry holder of record: HIGHMARK ROOFING & SIDING LLC” - Specializes in Roofing _(confidence: high)_ - [Thumbtack](https://www.thumbtack.com/ct/waterbury/roofing/highmark-roofing-siding/service/539566005417394198?spotlightWebMarkupEnabled=1) — “5★ Highly recommended, very professional. The house needed a total roof replacement the plywood had delaminated and was leaking. Highmark di…” - [Thumbtack](https://www.thumbtack.com/ct/waterbury/roofing/highmark-roofing-siding/service/539566005417394198?spotlightWebMarkupEnabled=1) — “About (Thumbtack, self-described): We bring years of hands-on experience in roofing, gutters, and siding, combined with a commitment to qual…” - Also offers Windows / Siding / Gutters _(confidence: medium)_ - [Thumbtack](https://www.thumbtack.com/ct/waterbury/roofing/highmark-roofing-siding/service/539566005417394198?spotlightWebMarkupEnabled=1) — “5★ Luis was such a great help to me, he cleaned my gutters very well and placed my guards in so that the leaves won’t get back in. He did it…” - [Thumbtack](https://www.thumbtack.com/ct/waterbury/roofing/highmark-roofing-siding/service/539566005417394198?spotlightWebMarkupEnabled=1) — “About (Thumbtack, self-described): We bring years of hands-on experience in roofing, gutters, and siding, combined with a commitment to qual…” - Also offers Specialty Services _(confidence: low)_ - [Thumbtack](https://www.thumbtack.com/ct/waterbury/roofing/highmark-roofing-siding/service/539566005417394198?spotlightWebMarkupEnabled=1) — “5★ Luis was such a great help to me, he cleaned my gutters very well and placed my guards in so that the leaves won’t get back in. He did it…” ## License Status: **active** (#HIC.0703650, 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 - [Official Website](https://highmarkroofingllc.com): Self-reported profile and service details - [Local News](https://highmarkroofingllc.com/): Listed on this source - [Thumbtack](https://www.thumbtack.com/ct/waterbury/roofing/highmark-roofing-siding/service/539566005417394198?spotlightWebMarkupEnabled=1): 5.0★ from 3 ratings ## Recent reviews - **5/5 · Thumbtack · George B. · 2026-09-22**: Highly recommended, very professional. The house needed a total roof replacement the plywood had delaminated and was leaking. Highmark did a great job, handled easily,quickly and job was left spotless - **5/5 · Thumbtack · Moesha B. · 2026-05-02**: Luis was such a great help to me, he cleaned my gutters very well and placed my guards in so that the leaves won’t get back in. He did it quick and Efficiently and for a GREAT price!! Very reasonable and affordable! Will definitely use him again and i just referred him to 5 more people i know that n… - **5/5 · Thumbtack · Andrea A. · 2025-08-18**: Good job - **Thumbtack · Andrea A. · 2025-08-18**: Good jobCredentialsLicenseLicense type: Home Improvement ContractorLicense state: CTLicense verified on 3/27/2026Background CheckLuis Guaman CelaView credential details --- Data freshness: last scanned 2026-10-18T23:45:33.179Z. Cite as: Highmark Roofing & Siding — Tavlee (https://tavlee.com/contractor/highmark-roofing-and-siding-waterbury) Source: https://tavlee.com/contractor/highmark-roofing-and-siding-waterbury ## Sitemap [Full site index](https://tavlee.com/sitemap.md)