Typical cost range
$10,000 – $30,000+ (before incentives)
Typical timeline
1 – 3 months (incl. permits)
Solar turns your roof into a power plant. In California's sun, a well-designed system can dramatically cut your electric bill — but it's a 25-year investment, so the system design, equipment quality, roof condition, and contract terms deserve careful attention before you sign.
System design and sizing
A good proposal starts from your actual usage history, roof orientation and shading, not a one-size-fits-all kit. Panel efficiency, inverter choice, and adding battery storage for backup power all change cost and payback. Ask each bidder to show the estimated production for your specific roof.
Permits, utility, and incentives
Solar requires city permits and utility interconnection approval before activation. Under current California net metering rules, batteries often improve the economics. The federal tax credit covers a significant share of the cost — but confirm with your tax advisor, and be skeptical of any "free money" sales pitch.
Roof condition and installation
Panels last 25+ years — make sure your roof doesn't need replacement first. Proper mounting and flashing keep the roof watertight; a licensed installer will pull the electrical permit and stand behind penetrations. Monitoring apps let you verify production matches the proposal.
Smart tips before you start
- Inspect and replace an aging roof before panels go on — removal and reinstall is costly.
- Compare equipment warranties (25 years) and workmanship guarantees across quotes.
- Confirm the contractor holds a C-46 solar contractor license and general liability insurance.
- Never pay the full amount upfront, and have RemodelFi's AI advisor review the contract first.
Every project is unique. The ranges above are typical — your actual cost and timeline depend on your home, materials, and scope. Get quotes from licensed contractors to compare real numbers.