Statewide California · Full Re-Roof & Tear-Off
Commercial Roof Replacement Across California
When a roof is past the point where repair or coating makes sense, we plan and execute a full replacement — tear-off or recover, Title 24 compliant, seismic-aware, and scheduled around your building's operations statewide.
Replacing a commercial roof is a significant capital decision, and the right answer isn't the same for every building. A roof with widespread saturated insulation, multiple existing layers, or structural deck issues usually needs a full tear-off. A roof that's dry, structurally sound, and simply near the end of its membrane life can often be recovered — a new system installed directly over the existing one — at a meaningfully lower cost and with less disruption. We walk every roof and give you a direct recommendation, not a default answer built around whichever project is easier for us to sell.
Commercial roof replacement in California typically runs from $6 to $18 or more per square foot depending on the system selected, roof size, deck condition, and whether it's a tear-off or recover project — our free inspection gives you an exact, written number for your specific building rather than a rough range. What drives that range more than almost anything else is scope: deck repair needs, drainage upgrades, insulation thickness for Title 24 compliance, and how much rooftop equipment has to be temporarily relocated or reinforced during the project.
Replacement is also the point in a roof's life where the biggest opportunities live — to correct drainage that's never worked well, to upgrade fire rating in a wildfire-exposed zone, to bring rooftop equipment anchorage current, and to install a system built specifically for the climate zone your building sits in, whether that's the marine layer of the coast or the sustained inland heat of the Central Valley.
We also plan around what a replacement crosses paths with structurally. Deck repair needs discovered mid-tear-off, curb reinforcement for equipment that's being brought up to current seismic anchorage requirements, and additional drainage capacity added for atmospheric-river-grade storms are the most common reasons a project scope grows after demolition starts — and we flag likely scenarios during the pre-project inspection so a change order, if one happens, is never a surprise.
How We Scope a Replacement
Tear-off, recover, engineering & phasing — decided project by project
Full Tear-Off
The existing roof system comes off down to the deck, the deck is inspected and repaired where needed, and a new system goes down on a clean substrate. This is the right call when the existing roof has widespread saturation, multiple layers already in place, or structural concerns that a recover can't address.
Recover System
A new membrane is installed over a sound, dry existing roof — faster, less disruptive, and usually less expensive than a tear-off, but only appropriate when the existing deck and insulation are in genuinely good condition and code allows it for that building.
Engineering & Permitting
Larger replacement projects, structural changes, or work in certain jurisdictions require engineering review and a building permit. We handle the permitting process and coordinate with your building department so the project stays on schedule.
Phased Replacement for Occupied Buildings
A distribution center or retail building often can't shut down for a re-roof. We section the roof into phases, dry-in each section before moving to the next, and schedule around your operating hours to keep the building weathertight and functional throughout.
When Replacement Is the Right Call
Five signs a roof needs replacing rather than repairing
Multiple Existing Roof Layers
Many jurisdictions cap how many roof layers can legally stack up — if your roof already has two systems on it, a recover usually isn't an option and a tear-off becomes the only compliant path.
Widespread Saturated Insulation
Once moisture has spread through a large portion of the insulation layer, patch repairs stop being cost-effective — the insulation itself has to come out, which means a tear-off.
Repeat Repairs in Different Spots
A roof that needs a new repair call every few months in a different location each time is telling you the whole membrane is aging out, not just one detail.
Age Near or Past Expected Service Life
A membrane approaching the top end of its expected lifespan — roughly 15-25 years for TPO, 20-30 for PVC, 20-35 for EPDM — is a candidate for planned replacement before an emergency forces the timeline.
Failing Title 24 or Insurance/Lender Requirements
A roof that can't be brought into Title 24 compliance through a coating alone, or a building where an insurer or lender is now requiring Class A fire-rated roofing, often points toward full replacement rather than a partial fix.
None of these signs are a reason to panic — they're a reason to get a documented inspection and an honest recommendation before deciding. In some cases what looks like a replacement-level problem is actually a candidate for a recover system or a restoration coating instead, and our free inspection gives you that answer in writing rather than a sales pitch toward the biggest possible project.
Built for California, Specifically
The code and climate factors we build into every replacement scope
Title 24 Cool-Roof Compliance
A full replacement almost always triggers California's Title 24 Part 6 solar reflectance and thermal emittance requirements for low-slope commercial roofs. We build the compliant membrane color and specification into the scope from the proposal stage — not as a change order discovered mid-project — and can support CF1R documentation your project may need.
Seismic Bracing for Rooftop Equipment
Replacement is the natural point to bring rooftop-mounted HVAC units, curbs, and equipment anchorage up to current seismic bracing code. Since the equipment often has to be temporarily lifted or disconnected during a tear-off anyway, addressing anchorage at the same time avoids a second mobilization and a second disruption later.
Drainage Sized for Atmospheric Rivers
A replacement project is also the best opportunity to re-evaluate drain and scupper capacity. California's rainy season increasingly delivers intense atmospheric-river rain events rather than steady seasonal precipitation, and a new roof is often the moment to add tapered insulation, additional drains, or larger overflow scuppers sized for that reality.
Material Choice for the Climate Zone
A roof going down in the Central Valley or Inland Empire faces far more aggressive daily heat cycling than one on the coast under a marine layer. We factor that into membrane thickness and color recommendations — a thicker, more reflective system tends to hold up longer under sustained inland UV and thermal stress.
Class A Fire Rating in WUI Zones
If your property sits in a Wildland-Urban Interface fire hazard severity zone, replacement is the point to specify a Class A fire-rated assembly. Many insurers and lenders now expect Class A roofing in high-risk wildfire zones, so a replacement project is a natural moment to close that gap rather than treat it as a separate future project.
Our Process
A documented replacement process, start to finish
Assess
A documented inspection identifies deck condition, insulation moisture, and whether tear-off or recover is appropriate.
Recommend & Design
We recommend a system, confirm Title 24 compliance, and design drainage and equipment-coordination scope.
Permit & Schedule
We handle permitting where required and build a schedule around your operating hours, including phasing if needed.
Tear-Off or Recover
Licensed crews execute the project with daily dry-in protection to keep the building weathertight.
Inspect & Warranty
A final walkthrough, photo documentation, and manufacturer warranty paperwork close out the project.
For occupied buildings — a warehouse that can't stop shipping, a retail center that can't close its doors — we plan phased replacement in sections, keeping each completed section watertight before moving to the next, and we coordinate directly with property management or facility engineering on access, noise windows, and tenant notification. Off-hours and weekend work is available where it makes the project less disruptive to your operation.
We replace roofs on distribution centers, manufacturing facilities, retail and office buildings, and multi-tenant commercial properties across every California region we serve. Manufacturer-backed warranty terms vary by system and installer certification level, and we walk you through exactly what's covered — workmanship, materials, or both — before you sign off on a system, so warranty coverage is a known quantity going into the project rather than fine print discovered after the fact.
Related Services
Replacement connects to a few other decisions worth making at the same time
Statewide Replacement Capability
Full commercial roof replacement across every major California region
From a coastal marine-layer climate to the sustained inland heat of the Central Valley, we bring the same tear-off and recover crews, the same Title 24 compliance discipline, and the same documentation standard to every replacement project, regardless of region.
Frequently Asked Questions
Replacement questions we hear most
Should I repair, coat, or fully replace my commercial roof?
Repair is the right call for isolated damage on a roof with useful life remaining. A coating is a strong option for a structurally sound roof that needs to extend its service life and improve reflectivity. Full replacement makes sense when damage is widespread or the roof is near the end of its expected lifespan. Our free inspection includes a specific recommendation for your building.
Do rooftop HVAC units and equipment need seismic bracing when I replace my roof?
Often, yes — California code requires seismic anchorage for rooftop-mounted equipment in many jurisdictions, and a full roof replacement is a natural point to bring curbs and equipment bracing up to current code.
How much does commercial roof replacement cost in California?
Commercial roof replacement in California typically runs from $6 to $18+ per square foot depending on the system, roof size, deck condition, and whether it's a tear-off or recover project. Our free inspection gives you an exact number for your building.
How long does a commercial roof replacement take, and can it be done without closing the building?
Most commercial roof replacements take anywhere from a few days to several weeks depending on size and system. We schedule around your operating hours whenever possible, including phased and off-hours work, to avoid closing the building.
Ready to plan your replacement?
Call 844-967-5247 or request a free quote online — we'll respond within 1 business day.