Commercial Solar Roofing & Combo Packages – San Diego County

Time to Install

2–6 weeks (depending on roof size, system complexity, permitting)

Cost Range: $50,000–$500,000+ (based on building size, kWh needs, and system type)

Financing Options: $0 down commercial solar loans, MACRS depreciation, SGIP and ITC incentives

All financing options are subject to credit approval and may vary based on program eligibility. We'll help you find a solution that works for your timeline and budget—no pressure, no surprises.

If you're looking for commercial solar installation in San Diego, TAG Roofing & Solar offers integrated roofing + solar packages engineered for maximum energy efficiency, long-term ROI, and facility reliability. Our commercial solar roofing services are ideal for warehouses, retail buildings, schools, healthcare facilities, and multi-family developments.

We combine expert roofing systems with high-output solar arrays in one seamless, code-compliant installation. Projects range from $50K to $500K+, depending on energy demand and system scope. We help you access 30% federal tax credits, SGIP battery incentives, and 5-year MACRS depreciation for maximum financial benefit.

Why Choose TAG for Commercial Solar Roofing?

• Licensed Roofing & General Contractor (CSLB #557970 (B) / #1138765 (C-39)
• 35+ Years Serving San Diego Property Owners & Builders
• Turnkey Solar + Roofing Solutions for Flat, TPO, Modified Bitumen Roofs
• Full Structural, Electrical & MEP Coordination
• Dedicated Commercial Project Managers
• 25-Year Performance Warranties + System Monitoring
• Net Metering Setup with SDGE & Ongoing Utility Support

What to Expect When Hiring TAG for Commercial Solar Combo Projects

1. Feasibility & ROI Assessment – We begin with a structural and electrical audit, roof condition inspection, and utility usage review. Then we model projected system performance, tax savings, and ROI.
2. System Design & Proposal – Our engineers design your solar array layout, panel orientation, inverter configuration, and battery storage if applicable. You’ll receive a detailed project scope and financial analysis.
3. Permitting & Utility Approvals – We manage all city/county permits and utility interconnection approvals, including NEM 3.0 net metering and SGIP applications.
4. Roofing & Structural Prep – If your building requires a new flat or low-slope roof, TAG installs durable TPO or modified bitumen roofing as the foundation for your solar array.
5. Solar Panel & Electrical Installation – Commercial-grade solar modules and inverters are installed with full code compliance. We coordinate with MEP engineers to tie in safely and efficiently.
6. Activation & Handoff Upon inspection approval, your system is turned on and connected to the grid. We provide O&M documentation and monitoring setup for long-term oversight.