Skip to main content

JJM Roofing & Waterproofing

Reviews, BBB data, and alternatives in Westbury, New York

Westbury, New York 11590Not vetted by RoofVista
4.9(92 Google reviews)
Roofing

This is an independent RoofVista profile for JJM Roofing & Waterproofing. We aggregate public data from Google and the BBB so homeowners can compare contractors before requesting quotes. This company has not been vetted by RoofVista.

Trust Snapshot

Google Rating

4.9/ 5

92 reviews

BBB Complaints (3 yr)

0

What Customers Mention Most

Based on 5 reviews analyzed by RoofVista

Strengths

  • Highly recommended
  • Professional work
  • Clean job site
  • Friendly crew

Service Area & Details

Location

Westbury, New York 11590

Services

Roofing

Status

Operational (per Google)

How JJM Roofing & Waterproofing Compares

vs. 3 contractors in Westbury, New York

MetricJJM Roofing & WaterproofingWestbury Avg
Google Rating4.95.0
Reviews9271

Customer Reviews

w

william signorile

a month ago

I want to say that Denis and his crew were some of the most professional people I've ever come across in the roofing industry. They were extremely fairly priced and they came to salvage a job that somebody else started and botched and I can never say enough good things about these people. They were true professionals they took something that was they didn't have to do. I made my home as beautiful as I could ever ask for everyone of this crew was so helpful. I can't tell you how grateful I am. I will always recommend them. They did a beautiful job. Thank you so much.

J

Janet Resnick

3 months ago

JJM Roofing & Waterproofing -excellent roof results! Grateful to have found this company to assess my issues with a flat roof at my home. Meeting with the company expert was very reassuring. I was not familiar with a flat roof and drainage issues. He was very patient and explained clearly what was needed to be done. The end result is professional and fulfilled, and surpassed my expectations. Thank you.

A

Anton Totino

3 months ago

Best contractor interaction i ever had. Was early to appointment, Dennis always picked up the phone and was friendly. Carlos and his team was good. They showed me pictures of what was wrong. My skylight was leaking. They replaced it within a few hours. Their work was clean and neat. They also included a 10 yr warranty!

R

Robin Back

3 months ago

If you believe in angels on earth, than the owner of this company (Dennis) is one of them. I called because my dad and I saw a commercial on Roof Max. My dad and I were interested in inquiring about it and to see if our roof would qualify for the product. I can not praise this company enough! First, they came in a timely matter. Second, we met Dennis and was impressed he had a drone, which we thought was cool, We did qualify and asked about gutters, He was so accommodating and simply a pleasure to work with. Within Days they came and everything went smooth as silk. I would and have highly recommended JJM roofing because it's a pleasure to see a company that not only does business but cares. Thank you from the bottom of my heart.

S

SmashHit Media

4 months ago

Dennis is great! My mother had a problem with her roof and I called Dennis right away....He was so quick to send a guy out the very next day to fix my mothers roof. They did such an amazing job that my mother was beyond happy ... Thank you Dennis for everything you're a life saver!

Showing 5 of 92 reviews

Compare This Roofer

See how JJM Roofing & Waterproofing stacks up. Get instant quotes from vetted Westbury contractors.

Get Competing Bids

Free, no obligation

Why Compare with RoofVista?

  • Pre-vetted, licensed contractors
  • Instant quotes based on satellite roof data
  • Side-by-side pricing comparison
  • 100% free, no obligation

Roofing in Westbury

Get quotes in Westbury

Is this your business?

Claim your profile to update info and join the RoofVista network.

Claim Profile

This is an independent RoofVista profile. Data sourced from Google Places. Last updated January 2026.

Ratings and business data may not reflect current status. Verify directly before hiring.