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Aerial view of a Swell Roofing crew working across a commercial flat roof

Keep your building watertight without shutting down operations

From flat-roof cleaning and leak detection to full restoration and replacement, Swell Roofing protects your property and your bottom line with durable work and minimal disruption to your business.

Get a Free QuoteCall: 562.751.2090

Flat and low-slope roofing · Built around your operations

5.0★Google ratingTop 13%of CA licensed contractors

9+ yrsroofing in SoCal

90815Locally owned in Long Beach

The problem

A small leak never stays small

Left alone, it turns into damaged inventory, disrupted operations, unhappy tenants, and a five-figure replacement instead of a low-cost repair. The building owners who spend the least on roofing are the ones who catch problems early.

Commercial services

We cover every commercial roofing service your building needs

Commercial roof restoration and replacement, cleaning, leak detection, and repairs, handled by one local crew.

Before-and-after commercial flat-roof restoration

Restoration & replacement

When a repair won't cut it, we'll tell you straight. Restoration extends the life of a sound roof for a fraction of replacement cost; when it's time to replace, we do it right the first time.

Learn more about restoration & replacement
Pressure washing a commercial flat roof

Roof cleaning

Debris, standing water, and buildup shorten a flat roof's life. Our cleaning service clears it out and spots small issues before they spread, protecting the roof you already paid for.

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Ponding water showing a drainage problem on a flat roof

Leak detection

We pinpoint exactly where water is getting in (no guesswork, no tearing up half the roof), then seal the vulnerability and document it for you.

Learn more about leak detection
Swell roofer sealing a commercial parapet wall

Repairs

Fast, no-nonsense repairs that restore your roof's integrity and stop the leak at the source, not just patch the ceiling stain below it.

Learn more about repairs
Finished white commercial roof with the Downtown Los Angeles skyline beyond

Why Swell

Here’s why building owners choose Swell Roofing

The way we work matters as much as the work itself.

  • /01

    Straight answers, not upsells

    If a repair will do, we won’t sell you a replacement.

  • /02

    Minimal disruption

    We work around your operating hours and keep the site clean.

  • /03

    Owner-involved

    You deal with people who stand behind the work.

  • /04

    Licensed, bonded, and insured

    Look us up, CSLB #1090502.

Get a Free QuoteCall: 562.751.2090

How it works

Getting your roof handled takes three steps

No pressure, no surprises, and no disruption to your operations.

  1. Step /01

    Free assessment

    We inspect the roof and give you an honest report.

  2. Step /02

    Clear scope & quote

    No hidden fees, line-item transparency.

  3. Step /03

    Clean, on-schedule work

    Done right, site left tidy.

Reviews

What SoCal property owners say.

5.0Read Google reviewsRated 5.0 out of 5 on Google. Opens in a new tab.5.0Read Yelp reviewsRated 5.0 out of 5 on Yelp. Opens in a new tab.

We had a leak at one of the buildings we manage and Asa and Jonny were quick to help.

Nikki AmbroseView Google profile
Before and after of a commercial flat roof with duct runs, dingy grey membrane replaced by a bright white restored coating
Commercial flat roof restoration — before and after
Verified customer reviews

“We had a leak at one of the buildings we manage and Asa and Jonny were quick to help. They ended up doing a full replacement at a competitive price and were friendly and communicative the entire time. I’d highly recommend them for any of your roofing needs.”

Rated 5 out of 5.Nikki AmbroseGoogle profile

“Asa and Swell Roofing have done amazing work for me on both commercial and residential roofs, reroofs and repairs. He and his team are knowledgeable, work hard and give a fair price. I highly recommend Swell Roofing for all of your roofing needs.”

Rated 5 out of 5.Drew IsraelskyGoogle profile

“After discovering leaks and cracks in our walls after heavy rain, we were sure damage to our flat roof was to blame. We found Asa & Swell Roofing after browsing Nextdoor recommendations, and wow are we glad we did! Asa responded nearly immediately to our inquiry for a roof inspection and came out within the next 48 hours. He provided us a thorough inspection report and repair plan, including resealing a portion of the roof, patching other noticeable damage, and cleaning the entire roof. His team was efficient and respectful during the repair process. They showed up on time and kept in communication with us throughout the day. The before and after pictures that Asa took absolutely blew us away. We’re very impressed with the professionalism and quality of the work from everyone at Swell and would highly recommend this team to anyone looking to have roof work done.”

Rated 5 out of 5.Melissa BrodskyGoogle profile

“I had an absolutely excellent experience working with Asa Wolfe and the entire Swell Roofing crew! From start to finish, Asa went above and beyond to make my new roof selection and installation process stress-free and successful! Asa’s knowledge, expertise, and customer focus is truly incredible. He carefully listened to my needs, discussed options, showed me samples, and his excellent communication kept me fully informed and confident through every step of the process. I was never left waiting or wondering what came next. The finished roof is a great match to the existing roof and the installation is flawless! If you’re looking for a new roof and want a company that is proactive, responsive, knowledgeable, and dedicated to achieving the best outcome, Swell Roofing is the one. I cannot recommend them enough and absolutely loved working with Asa!”

Rated 5 out of 5.Bill TonanGoogle profile

“Asa and Swell Roofing were pros. Reliable, thoughtful, gave us options, and showed up when he said he would. He fixed a roof problem that had been plaguing us for years, and that other roofers had misdiagnosed. Great experience, would recommend.”

Rated 5 out of 5.Ian SchwartzGoogle profile

“Prompt communication and service. Excellent work as far as I can tell. Crew removed many layers and built new roof from scratch. Clean up was perfect.”

Rated 5 out of 5.Joe PetersGoogle profile

“Highly recommend Swell Roofing! We hired them to remove our old roof and install a new one, and the entire process was smooth from start to finish. The crew worked quickly and efficiently, and Asa communicated with us every step of the way. He was incredibly easy to work with and made the whole experience stress-free. We would absolutely hire them again for any future roofing needs!”

Rated 5 out of 5.Nyk HongGoogle profile

“Asa and the team at Swell Roofing are amazing! They did a superb job at re-tiling and fixing the rotted wood on my roof. Their work was professional, quick, and affordable. They are your best choice for roofers in the greater LA area. 10/10 recommend!”

Rated 5 out of 5.Alexander KingGoogle profile

“So happy with Swell Roofing. They were recommended by a friend and I highly recommend them. They were super professional, sent updates with pictures. Did a fantastic job! Call them, you won’t be disappointed.”

Rated 5 out of 5.Kelley RobertsGoogle profile

“Our home insurance company required roof replacement, being over 20 years old. We got a few quotes, all estimates were close. Decided to hire Swell roofing based on previous reviews and craftsmanship shown in pics. Tore down the old roof and installed new one instead of the cheaper second layer over the old one. Throughout the project communicated with Asa, he was available all the time to give us updates and answer any questions. Everything happened as estimated, there was even a test rain right before final inspection. The insurance company lifted the non renewal. Pheww!”

Rated 5 out of 5.Demi LucasGoogle profile

“Reached out to Asa, was referred by a friend and was not disappointed. Asa was very cordial and helpful. Was able to send one of his foreman out almost immediately after all the heaving rain we had. Found our leak and fixed it on the spot. Would recommend to my family and Friends”

Rated 5 out of 5.Theodora PapadopoulosGoogle profile

“What a pleasure it was working with Swell Roofing. They came out the very same day diagnosed the problem and scheduled a fix the following day. Very nice and honest guys. We will be telling to all our friends.”

Rated 5 out of 5.Doug CordiGoogle profile

“The price was good & the results look great! He was respectful to our home & put our minds at ease with the project.”

Rated 5 out of 5.Geri T.Yelp profile

“Asa and Jonny came out the following day for a free inspection and had the roof replaced at a very fair price before the next storm.”

Rated 5 out of 5.Danilo R.Yelp profile

“Flat roof homeowner. Swell was the best home contractor I ever worked with. They stayed in contact with updates, didn’t rush the job, and came back out to make sure I was completely satisfied. They even fixed another roofer’s work. Couldn’t recommend them more.”

Rated 5 out of 5.Ryan RombergGoogle profile

“Swell Roofing performed an inspection on my two story house. Submitted the same day a fair quote with pictures of repairs required. After agreeing on the work, the job was performed in a timely matter. Old material was cleaned up and removed. Pictures sent on worked completed. Will definitely used Swell Roofing again. Thank you,”

Rated 5 out of 5.Jeff SzeneriGoogle profile

“Had a great experience with Swell Roofing. They were honest, upfront, and delivered quality work exactly within the timeframe and cost they quoted. No surprises, just solid craftsmanship and professionalism. Highly recommended.”

Rated 5 out of 5.Harpreet MaviGoogle profile

“Thank you Swell for my brand new roof! We are very pleased with final product. No leaks after most recent rain storms we had. Very professional and took great care of protecting the landscaping and driveway leaving no mess behind everyday.”

Rated 5 out of 5.Nate JamesGoogle profile

Read every review on Google

Free assessment, written condition report, and no pressure.

Get a Free QuoteCall 562.751.2090

Get your free commercial roof assessment

Free assessment plus a written condition report. Know exactly where your roof stands, and what it needs, if anything.

Get a Free QuoteCall: 562.751.2090