References of Big Commercial Roofing Projects We've Done
99 Ranch Market
Full Roof Replacement
$288K Project
GW Supermarket / Great Wall Supermarket
Full Roof Overlay
$86K Project
Mama Lu’s Dumpling House
Full Roof Overlay
$22.8K Project
NBC Seafood
Full Roof Overlay
$46K Project
Monterey Park Mall
Full Roof Replacement
$854.3K Project
East Los Angeles College
Full Roof Replacement
$1.2 Million Project
Hillcrest Elementary School
Full Roof Overlay
$233K Project
Monterey Park City Hall
Full Roof Replacement
$190K Project
Our Roof Installation Services
Roof Flashing Installation
Roof flashing seals joints, valleys, and edges around chimneys, skylights, and vents to prevent water intrusion. We install high-quality and durable roof flashing that extends your roof's life by up to 20 years, especially on complex roofing systems where leaks are more likely to form. It’s one of the most effective ways to protect your home from costly water damage.
Asphalt Shingle Roof Installation
Asphalt shingles are the most popular roofing choice in the U.S. because they're affordable, durable, and come in a variety of styles and designs. Asphalt roofs can withstand winds up to 130 mph. They are also available in styles that mimic wood, slate, or tile. It's an excellent option for homeowners looking for cost-effective but beautiful roofs.
Roof Deck Waterproofing Membrane Installation
A roof deck waterproofing membrane is an additional protective layer installed beneath the main roofing material to block water infiltration. It’s ideal for flat or low-slope roofs and can reduce leak risk by up to 90% in heavy rain conditions. This added layer of defense is essential for long-term roof performance and interior protection.
Gutter Guard Installation Services
Gutter guards block leaves, twigs, and debris from entering your gutters, reducing cleaning needs by up to 75% and preventing clogs that lead to overflow. This helps protect your roof, siding, and foundation from water damage. They’re especially beneficial for properties surrounded by trees or in areas with heavy seasonal debris.
Roof Ventilation Installation
Proper roof ventilation regulates attic temperatures year-round. It reduces heat buildup in summer and moisture accumulation in the winter. This can double your roof’s lifespan, lower cooling costs, and prevent mold growth. Homes in warm-climate areas like Southern California benefit most from this service.
Roof Gutter Guard Installation
Installing gutter guards prevents debris buildup, reduces water overflow, and minimizes the risk of roof and foundation damage. Homeowners with gutter guards experience up to 60% fewer gutter-related issues annually. This low-maintenance upgrade is perfect for those seeking long-term water protection.
What Happens After You Ask for a Quote?
Quick Response & Roofing Needs Assessment
Our team will contact you within 24 hours of receiving your request for a quote. We’ll ask specific questions about your roofing needs, such as roof type, size, materials, and any existing issues. We might also ask for photos and property details to help us prepare for the site visit.
On-Site Roof Inspection
One of our roof inspectors will visit your property and conduct a thorough check. We check for structural integrity, measure dimensions, assess ventilation, and identify any damage or problem areas. Using tools like moisture meters, drones (for hard-to-reach areas), and high-resolution cameras, we gather accurate data to ensure a precise estimate.
Detailed Written Quote with Material & Timeline Breakdown
We'll give you a detailed written estimate 1 to 3 business days after the site inspection. In the estimate, you'll get a complete breakdown of the materials and labor costs. The estimated timeline will also be specified, as well as the warranties. We’ll review the proposal with you, explain our recommended solutions, and answer any questions you may have.
Project Scheduling, Permits, and Site Preparation
We'll schedule to start the project after you approve the quote and sign the contract. We handle all necessary permits, order materials from trusted suppliers, and prepare safety measures for the job site.
How Much Does It Cost to Repair Commercial Flat Roofs in Monterey Park, CA?
Commercial flat roof repairs in Monterey Park typically range from $5,000 to $12,000. Minor fixes like seam sealing or patching small punctures cost from $500 to $2,000. Major repairs involving water damage or insulation replacement can run $15,000 to $30,000, while full replacements usually cost $8–$15 per sq. ft. The actual cost varies depending on the material used. TPO, PVC, and EPDM have different price ranges: TPO repairs cost $5–$8 per sq. ft., PVC costs $6–$9, and EPDM at $4–$7. You'll need to add about $2 to $4 per square foot for specialty coatings like silicone or acrylic.
Labor accounts for 35%–40% of the total costs. Skilled commercial roofers in the San Gabriel Valley charge around $65 per hour. Complex multi-storey buildings with limited access and HVAC obstructions may also increase the labor cost by 10%.
Typical Cost Range Per Square Foot:
| Roofing Type | Typical Cost Range (per sq ft) |
|---|---|
| Built-Up Roofing (BUR) | $10.00 – $22.00 |
| Single-Ply PVC | $8.00 – $15.00 |
| Modified Bitumen | $9.50 – $16.00 |
| Metal Roofing (flat/low slope or sloped) | $12.00 – $18.00 |
| EPDM (rubber membrane) | $6.00 – $14.00 |
| Single-Ply TPO | $7.00 – $15.00 |
Typical Cost Range Per Square Foot:
| Cost Component | Approximate % of Total Cost | Inclusions |
|---|---|---|
| Labor & Installation | ~30-40% | Includes membrane, insulation, flashings, fasteners, waterproofing layers. |
| Permits, Inspections & Contingency | ~5-10% | Skilled labor, seam welding, substrate preparation, safety measures, cleanup. |
| Materials | ~40-50% | Removal of old roof, disposal fees, repair/replacement of damaged deck or insulation. |
| Tear-off / Disposal & Substrate Repair | ~10-20% | Local code compliance, building permits, unforeseen conditions. |
