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FeaturedVerifiedRoofers in Nanaimo, British Columbia

Pacific Sierra

Featured in Nanaimo Today 4.90 (113 reviews)(250) 327-3868

Pacific Sierra Roofing serves Nanaimo and the surrounding area, handling roofs for residential, commercial and industrial properties. It specializes in building and restoring flat roofs, including systems with TPO, EPDM and SBS-modified bitumen membranes.

Business Highlights
  • Pacific Sierra Roofing is owner-operated.
  • The team has over 65 years of combined experience.
  • The company says it is fully licensed and certified to operate across Vancouver Island.

Service Area

Nanaimo and the surrounding area.

Featured on ProsGrade. Pacific Sierra is one of 11 roofers ProsGrade lists in Nanaimo, British Columbia.

Listing details

7 services listed, including Roof replacement, New-construction roofing and Roof repairs. Open weekdays, closed on weekends. Rated 4.9 from 113 reviews.

  • Verified listing details
  • Service information
  • Customer review signals
  • Photo gallery
  • Public contact information
  • Published local profile

How This Business Compares

How Pacific Sierra compares with the other 10 roofers on ProsGrade in Nanaimo, using public Google ratings and review counts.

  • Ranks in the top half of the 11 Nanaimo roofers on ProsGrade by Google rating and review volume.
  • Rated 4.9 on Google, at or above the 4.8 average of other Nanaimo roofers on ProsGrade.
  • Has more Google reviews (113) than 9 of the 10 other Nanaimo roofers on ProsGrade.
  • One of 6 Nanaimo roofers on ProsGrade rated 4.7 or higher from at least 10 reviews.

Services Covered

7 services
  • Roof replacementAsphalt shingles, metal panels and rubber roofing.
  • New-construction roofingAsphalt shingles, torch-on and membrane flat systems, and metal roofing.
  • Roof repairsShingle replacement, leak sealing and targeted repairs.
  • Roof inspectionsMaterials, structure and signs of wear.
  • Flat roofingTPO, EPDM and SBS-modified bitumen membranes.
  • Roofing packagesStructured options based on needs, budget and long-term goals.
  • Siding installation, repair and replacementHardie board, vinyl siding, metal cladding and cedar.

Reviews

What customers say

Several customers praised clear explanations and communication during the job, and more than one mentioned cleanup after the work. One reviewer reported two missed appointments for an inspection and estimate, then said the representative brushed off the complaint as if it were the customer's fault.

Customer Reviews

liz ristau

Our neighbors were getting their roof done, and Carroll Swartz came by to say hi and ask if his crew could help with a construction cleanup at our place. He also offered us a free roof inspection, which we thought was nice—but honestly, we didn’t think we needed a new roof. Once he went into the attic, though, he found a bunch of mold around our chimney from a leak we didn’t even know about. Yikes! The roof was old, sure, but we had no idea it was that bad. Carroll did a really thorough inspection and explained everything clearly. Since our neighbors were so happy with the service, and because his crew was finishing up next door, we were able to get a great deal to have our roof done too. The guys were polite, fast, and left the place spotless. Communication was easy and stress-free. We’re so happy with our new roof and would highly recommend Pacific Sierra Roofing. These guys know what they’re doing—and they really care.
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Carol Oosthuizen

We had our roof replaced by Pacific Sierra in February 2026. The entire process was smooth and hassle-free. We were impressed by the thorough roof inspection and detailed report which meant the quote was realistic. The roofing crew were well-trained and hard-working, cleaning up at the end of each day. There was plenty of communication at each stage. I have no hesitation in recommending this company.
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Daniel Jin

Simply Amazing. Pacific Sierra Nanaimo did an excellent job re-roofing our house. From the first quote to the final cleanup, the team was transparent and professional. Greg, (what a guy) was incredibly helpful and explained every step. He responded quickly to our questions, and worked through a couple of unexpected issues and leaks on the roof without any issues or additional charges! The quality of the shingles and installation looks great and blew our expectations out the water. At the end they even tidied up our yard, I mean what else could you possibly want? Greg with pacific Sierra should be the go to for anyone needing roofing work in the Nanaimo area, no question.
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Frequently Asked Questions

Does Pacific Sierra handle emergency roof repairs?

Yes. It provides emergency and non-emergency roof repair, with emergency response available 24/7.

Does Pacific Sierra offer free roof inspections?

Yes. For homeowners considering repair or replacement, the complimentary inspection is a one-time service; seasonal and emergency inspections are also available.

What happens during a roof replacement?

In most cases, existing roofing is removed before the roof deck is inspected. Soft, rotted, warped, mould-damaged or structurally compromised sheathing needs replacement before the new roof is installed.

What is included in Pacific Sierra's new-construction roofing?

Each new-construction roofing system is installed with proper ventilation, flashing and waterproofing.