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Northern Illinois Seamless Roofing, Inc.

Roofer in Mendota, ILRoofingNRCA member and family-owned since 1985. Coatings, flat and metal roofs, emergency service; serves Sublette and Amboy.

What we checked

  • Business phone works
  • Website is live
  • Website says it does roofing

About

Northern Illinois Seamless Roofing, Inc. is a family-owned and locally owned roofing company in Mendota, Illinois, started in 1985. It replaces and coats roofs, handles emergency roof repair and puts on metal roofs for homeowners and commercial properties. It works in Mendota, Earlville, Ottawa, Princeton and Dixon, and nearby areas. Its website lists NRCA member, and it offers a workmanship warranty and emergency service.

  • Founded 1985
  • Family owned
  • Locally owned
  • Residential
  • Warranty
  • Emergency service
  • Website says licensed

Services

Roofing

  • Roof replacement
  • Emergency roof repair
  • Roof coating
  • Commercial roofing
  • Metal roofs
  • Flat and low-slope roofs

In the firm’s own words

Quotes from Northern Illinois Seamless Roofing, Inc.’s website. They are the firm’s claims, not ours.

  • Family owned… word for it See what our clients have to say... I cannot say enough great things about David and his whole family. Finally a honest, hardworking Family run business that promises and over delivers.Source: https://nilsroofing.com/
  • Warranty… flat roofing applications. When you work with us, you can expect professionalism, quality, and outstanding warranties for your new roof. Commercial Industrial Request a Free Consultation Today Request a Consultation …Source: https://nilsroofing.com/

Credentials

Northern Illinois Seamless Roofing, Inc.’s website lists these. We do not check them.

  • NRCA member

    The National Roofing Contractors Association, a trade group for U.S. roofers. Firms pay to join.

    How to check: Search for the firm in the member directory on nrca.net.

Service area

Northern Illinois Seamless Roofing, Inc. names 11 cities on its website. The farthest is Streator, 33 miles away.

Common questions

How long has Northern Illinois Seamless Roofing, Inc. been in business?

Northern Illinois Seamless Roofing, Inc.’s website says the firm started in 1985, 41 years ago.

Is Northern Illinois Seamless Roofing, Inc. licensed and insured?

Northern Illinois Seamless Roofing, Inc.’s website says the firm is licensed. The Roofing List does not check licenses or insurance. Ask to see both before you hire. Our guide shows how to check a roofer’s insurance and license.

Does Northern Illinois Seamless Roofing, Inc. do emergency repairs?

Northern Illinois Seamless Roofing, Inc.’s website lists emergency service. Call (815) 539-5142.

Does Northern Illinois Seamless Roofing, Inc. give a warranty?

Northern Illinois Seamless Roofing, Inc.’s website says the firm gives a warranty on its own work. Ask how long it lasts, and get the terms in writing.

What roof types does Northern Illinois Seamless Roofing, Inc. install?

Northern Illinois Seamless Roofing, Inc.’s website lists metal and flat and low-slope roofs.

Does Northern Illinois Seamless Roofing, Inc. do commercial roofs?

Northern Illinois Seamless Roofing, Inc.’s website lists commercial roofing.

What areas does Northern Illinois Seamless Roofing, Inc. serve?

Northern Illinois Seamless Roofing, Inc.’s website names Mendota, Sublette, Earlville, Harding, Amboy, Spring Valley, Leland, Ottawa, Princeton, Dixon and Streator.

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At a glance

Founded
1985 (41 years)
Based in
Mendota, IL
Trades
Roofing
Services listed
6
Service area
11 cities, up to 33 miles away
Credentials
NRCA member
Phone
(815) 539-5142

Before you hire Northern Illinois Seamless Roofing, Inc.

  • Insurance. The website does not mention insurance. Ask for a certificate of insurance, then call the insurer to confirm it.
  • Written estimate. The website does not say if estimates are free. Get the price, the materials and the dates in writing.
  • Warranty. The website says the firm gives a warranty on its work. Ask how long it lasts and what it covers.
  • Credentials. The website lists NRCA member. Check each one with the group that gives it.

Guide: check a roofer’s insurance and licenseGuide: repair or replace?

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Summary based on Northern Illinois Seamless Roofing, Inc.’s website, Oct 2026.