Southern California

Commercial Roofing — TPO, EPDM & Maintenance Plans for SoCal Property Managers

TPO, EPDM, modified bitumen, and flat-roof maintenance plans for SoCal businesses.

GAF Master Elite Residential Roofing Contractor

Top 3% Nationally

GAF Master Elite Certified

Licensed C39 #1103611 · Title 24 compliant

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GAF Master Elite

Top 3% of contractors nationally

Licensed & Insured

C39 #1103611, fully bonded

5★ on Google

73 Google + 14 Yelp reviews

Local Family-Owned

Serving SoCal — not a storm chaser

Commercial Roofing from TMC Roofing covers all of Southern California — Riverside, San Bernardino, Orange, Los Angeles, and San Diego counties. TPO, EPDM, modified bitumen, and flat-roof maintenance plans for SoCal businesses. Licensed C39 #1103611, GAF Master Elite (top 3% nationally). Free 21-point inspection. Same-day response. (951) 840-9935.

Commercial roofing across Southern California — retail centers, industrial parks, multi-family, hospitality, HOA buildings — typically runs TPO membrane on flat roofs. Climate adjusts spec: 80-mil for desert and coastal exposure, 60-mil for mild LA Basin and San Diego. TMC Roofing serves property managers and commercial owners across all 5 counties with installation, scheduled maintenance plans, and 24/7 emergency response.

TMC Roofing serves property managers, retail centers, industrial facilities, multi-family operators, and HOA boards across Southern California. We install and maintain TPO, EPDM, modified bitumen, and PVC systems, and offer scheduled maintenance plans that catch leaks before they become tenant complaints.

  • TPO, EPDM, modified bitumen, and PVC systems
  • Scheduled maintenance and inspection plans
  • Roof coatings to extend roof life by 10+ years
  • Property manager / HOA portfolio coverage
  • Documentation for asset management
  • 24/7 emergency response

Regional considerations

Commercial Roofing across Southern California's climate zones

The same service plays out differently in coastal Newport Beach vs. desert Palm Springs vs. inland Riverside. We adjust material and installation spec to the specific climate of every project we quote.

Inland Empire (Riverside & San Bernardino Counties)

Inland Empire commercial properties — industrial parks, retail centers, warehouses, multi-family — typically run TPO or modified bitumen on flat roofs. Heat and UV are the dominant aging factors. Maintenance plans extend useful life 5-10 years vs. unmaintained membrane.

Our spec for this region: For Inland Empire commercial, we recommend 80-mil TPO over 60-mil when budget allows — the heavier membrane handles inland UV exposure significantly better. For aging EPDM or modified bitumen, a silicone or acrylic coating can defer full replacement 10-15 years.

Coastal Orange County & coastal LA Basin

Coastal commercial properties face accelerated membrane degradation from salt-air UV exposure. TPO and PVC are the dominant specs because both resist chemical and salt exposure significantly better than EPDM. Maintenance plans matter more in coastal commercial than inland — semi-annual flashing inspection extends useful life dramatically.

Our spec for this region: Default coastal commercial spec: 80-mil reinforced TPO or PVC, copper or stainless edge metal, marine-grade fasteners on every penetration. Standard galvanized accessories fail in 5-7 years coastal vs. 20+ years inland.

Coachella Valley (Palm Springs area)

Coachella Valley commercial roofing — retail, hospitality, industrial along the I-10 corridor — runs TPO or modified bitumen on flat roofs. Desert UV is the dominant aging factor. Reflective white membrane reduces HVAC load significantly — often paying back the membrane upgrade cost in 5-7 years through energy savings.

Our spec for this region: Default desert commercial: 80-mil reinforced TPO, mechanical fastening (not adhered — adhesive doesn't perform at 170°F+ rooftop temperatures), full insulation upgrade to current Title 24 R-values.

Los Angeles Basin

LA Basin commercial spans urban industrial corridors, dense retail districts, and multi-family across the basin. TPO is the dominant flat-roof spec. LA County Green Building Code adds documentation requirements beyond standard Title 24 in many jurisdictions.

Our spec for this region: Default LA Basin commercial: 60-mil or 80-mil TPO depending on exposure, full LA County Green Building Code compliance documentation, certified payroll where required by jurisdiction.

San Diego County

San Diego County commercial — retail, tech campuses, industrial, multi-family — typically runs TPO on flat roofs. Mild climate makes most projects straightforward. Coastal commercial needs marine-grade accessories.

Our spec for this region: Default county-wide commercial: 60-mil TPO for standard exposure, 80-mil for coastal or harsh-exposure. Full Title 24 compliance documentation.

High Desert (Victorville, Apple Valley)

High Desert commercial retail and industrial along the I-15 and Antelope Valley Freeway corridors typically runs TPO or modified bitumen. Heat and UV are dominant aging factors; snow load is an occasional issue at higher elevations. Maintenance plans extend useful life significantly.

Our spec for this region: Default high desert commercial: 80-mil TPO, mechanical fastening, full insulation upgrade. Snow-load engineering as needed for elevated sites.

Mountain communities (Big Bear, Lake Arrowhead)

Mountain commercial properties — village retail, hospitality, and small commercial — handle snow load, freeze-thaw, and fire risk. Standing-seam metal is the dominant spec for both performance and aesthetic fit.

Our spec for this region: Mountain commercial defaults to standing-seam metal in Class A fire-rated finish, with snow-load engineering and ice/water shield at all critical areas.

How It Works

From call to clean-up

A roof project shouldn’t be a black box. Here’s exactly what happens after you call.

1
CALL NOW!

Step 01

Reach Out

Call (951) 840-9935 or book online. We respond same-day across all 5 SoCal counties.

2
PLAN!

Step 02

Free Inspection & Quote

21-point inspection with photos. You get a written report and a transparent quote — no pressure, no upselling.

3
BUILD!

Step 03

GAF-Certified Install

Master Elite installation with 25-year workmanship + up to 50-year material warranty. Full clean-up at the end.

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Customer Reviews · Verified

What customers say about our commercial roofing

Five-star reviews from real homeowners and property managers.

5on Google(73)
4.6on Yelp(14)
Google verified

TMC Roofing did a fantastic job from the tear off to finish at a reasonable price. They replaced the damaged wood and re-roofed the whole roof in just a few days.

J

Janet W.

Google verified

After the big rain we had a couple weeks ago we discovered a leak in our garage. I called TMC roofing and spoke to a nice woman and she sent Justin out and he assessed our roof and found the source of our leak. The guys who did the repair finished in one day, bright and early. We truly appreciate their honesty.

S

Sherri G.

Google verified

TMC Roofing replaced our roof in a quick and professional manner and the neighbors are all in awe of how great our house looks. We obtained multiple quotes before selecting TMC and they not only turned out to be the best price, but they handled permits and communication seamlessly start to finish.

T

Tim H.

Google verified

Had to get a full roof replacement and some other components after a storm. Called a bunch of roofing companies and TMC seemed to have the best prices for the best product. I had the pleasure of being assisted by Tony Ayala who made the whole process easy.

J

Jorge G.

Google verified

I contracted with TMC roofing to repair my roof which had been botched up by a prior roofer. Kieran Spitz came out and did a thorough inspection of the roof and produced a written report at no charge. I received several bids and TMC's was honest, detailed, and complete.

A

Anne B.

Google verified

From start with Kieran through the work week with the rest of the TMC team — great job. Referred to me by my neighbor after my roof began leaking, the crew was careful to clean up every day after work, even took my trash cans out to the curb.

B

Brenda J.

Google verified

I had an outstanding experience with this roofing company from start to finish. I first spoke with Justin, the brother of the owner Travis, and he responded incredibly fast and was extremely professional throughout the entire process. Took care of the issue before the rain came.

R

Richard S.

Google verified

They came out and offered a fair reasonable quote really quick. They worked with us with our schedule and availability and completed the work very rapidly and very efficiently. Overall, we were very impressed with the service provided.

J

Jose R.

Yelp verified

AJ was awesome. I was in a pinch and needed my roof fixed quickly. He came out same-day, got me a quick and reasonable quote, and had a crew out the next day to fix it. The crew was quick, professional, and did phenomenal work. They did a quality job and went above and beyond to clean up the roof and surrounding property afterward. I got several quotes for this job — TMC were the only ones who responded quickly, honestly, didn't try to up-charge, and took the time to understand my project.

R

Richard M.

Yelp verified

First off, Tony was amazing when he came out to give us a quote! So friendly, very educated and knows how to provide customer satisfaction! He stuck by through the whole process to ensure every need was met. We had TWO roofs completely replaced and each roof took about a week to complete. They knew exactly what they were doing and the team was all on the same page which made the process so EASY.

B

Brook L.

Orange · Roof Replacement

Yelp verified

Had a leak after the rain this January 2026. Tony with TMC came out gave me an estimate right away and scheduled work as soon as it stopped raining. Received pictures of all the work done and everything was completed in a couple of days. Very happy with work done.

C

Cleribel M.

Murrieta · Roof Repair

Yelp verified

TMC did our reroof April 7th–9th 2025. Their price was competitive and they showed great professionalism throughout the project. Everything went as planned. Tao and his crew were outstanding. They respected our home and property as if it were their own. It was a pleasure dealing with them.

B

Bill C.

Fontana · Roof Replacement

Yelp verified

Attentive with great customer service. Great company. With quality work. Will definitely use them again when needed.

T

Tabatha H.

Riverside · Roof Repair

Yelp verified

TMC replaced my entire roof last week and I am thrilled with it! Everyone was extremely professional and answered all of my questions or concerns in a timely manner. The crew was friendly and cleaned the property before they left each day. The new roof looks awesome!

A

Amanda T.

Yucaipa · Roof Replacement

Yelp verified

Needed patch work done on the roof before rain season starts and I was looking for a good roofing company. I first did research on the average cost for minor and major patch work so I would have an idea on the price range. I scheduled two contractors. The first one wanted to do far more than needed. TMC came in with an honest assessment and a reasonable quote — just what was needed, nothing more.

J

Jeff C.

Temecula · Roof Repair

Yelp verified

I'm not even sure where to begin but I will start with how amazing this company is! Tony made this process stress free, making sure we were informed and comfortable during the process. We had just had a very bad experience with another roofing company so it was such a relief to have someone as helpful as Tony. We had a roof replacement that was done after two days of the crew working all day. Everyone on the job was so nice, professional, and did beautiful work. We will forever be recommending TMC to anyone who needs roof work done.

A

Amanda M.

Ladera Ranch · Roof Replacement

Commercial Roofing — common questions answered

Don't see yours? Call (951) 840-9935 — Travis answers.

Why Choose Us

Why Southern California chooses TMC for commercial roofing

  • Licensed C39 #1103611 — fully insured and bonded
  • GAF Master Elite Contractor — top 3% nationally
  • 5★ on Google · 4.6★ on Yelp (verified reviews)
  • Free 21-point roof inspection on every visit
  • $0 down financing on full replacements
  • Written PDF inspection report on every visit
  • Title 24 energy code compliant installations
  • 24/7 emergency response across all 5 counties

TMC Roofing HQ

1654 Illinois Ave, Unit 20, Perris, CA 92571

(951) 840-9935sales@tmcroofingco.com
Mon–Fri 7–6 · Sat 8–4 · 24/7 Emergency

Where We Work

Southern California Local,
Southern California Proud.

From the Inland Empire to the Pacific Coast, mountain communities to desert resorts — TMC Roofing covers every corner of Southern California. Family-owned, locally based in Perris. Same-day response across all 5 counties.

Cities we cover

Contact Us
GAF Master Elite Residential Roofing Contractor

GAF Master Elite · Top 3% Nationally

Ready to start your commercial roofing project?

Free inspection. Licensed C39 #1103611. Same-day response across Southern California.

4.9★ · 87 verified reviews
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