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How to evaluate San Diego solar installers and what 30 years of experience has taught us about doing solar right.
Not all solar companies are created equal. Here are the six criteria that matter most when choosing a solar installer for your San Diego home.
How long has the company been operating in San Diego? Longevity signals stability, warranty reliability, and a proven track record. Companies that disappear after 3–5 years leave homeowners stranded.
Does the company use its own installers or hire subcontractors? In-house crews mean direct accountability, consistent quality, and a single point of contact from design through installation.
Verify the company holds a valid CSLB license and carries workers’ compensation and general liability insurance. A licensed contractor protects you from liability and ensures code compliance.
Look beyond the manufacturer’s panel warranty. Does the company offer a workmanship warranty? Will they still be around to honor it in 10 or 25 years?
Top companies offer multiple financing options with transparent pricing. Look for prepaid leases, loans, and cash purchase options with clear cost breakdowns and no hidden fees.
Check Google, Yelp, and the BBB. Look for consistent 5-star reviews that mention specific details like crew professionalism, on-time completion, and accurate savings projections.
See how different types of solar companies stack up on the criteria that protect your investment.
| Criteria | San Diego Solar | National Chains | Newer Local Co. |
|---|---|---|---|
| Years in San Diego | 30 years (est. 1996) | 5–10 years locally | 2–5 years |
| Installation Crews | 100% in-house | Subcontracted | Mixed / subcontracted |
| Who Designs Your System | In-house engineers | Corporate design center | Third-party software |
| Prepaid Lease (30–40% Savings) | |||
| Solar + Roofing In-House | |||
| CSLB Licensed & Insured | Varies | ||
| Local Owners You Can Meet | Sometimes | ||
| Warranty Backed by 30-Year Co. |
Get a side-by-side comparison and a custom quote — no high-pressure sales call, no obligation.
Founded in 1996, San Diego Solar has served Southern California homeowners for nearly three decades. In an industry where companies routinely disappear after a few years, our longevity is your warranty’s best protection.
Every San Diego Solar project is designed, engineered, and installed by our own team. The person who designs your system is the person who installs it. That means direct accountability, consistent quality, and zero finger-pointing.
San Diego Solar installed the first permitted commercial solar system in the City of San Diego at the OB People’s Food Co-Op. We were pioneering solar before the industry even existed here.
Our prepaid lease and prepaid energy service agreement programs reduce your upfront solar investment by 30–40%. These programs are time-limited and offer savings that most competitors simply cannot match.
“After getting quotes from six different companies, San Diego Solar stood out for their transparency and experience. 30 years in business meant our warranty actually means something. The installation was flawless.”
Michael & Sarah P.
Del Mar
“What sold us was learning they use their own crews. Our neighbor had a bad experience with a company that subcontracted everything. With San Diego Solar, the same team did the design and the installation.”
Jennifer L.
La Jolla
“The prepaid lease saved us thousands upfront. We compared every financing option available and nothing came close. Our system has been producing more than projected for 14 months straight.”
Robert & Lisa M.
Rancho Santa Fe
The best solar company in San Diego should have a proven long-term track record, use 100% in-house installation crews, hold a valid CSLB license, and offer transparent financing options. San Diego Solar has been serving the San Diego area for 30 years with in-house crews — the longest-operating solar installer in the region. We also offer prepaid lease programs that save homeowners 30–40% on upfront costs.
Start by checking how long the company has been in business and whether they use their own installation crews or subcontractors. Ask about warranties and who backs them. Read reviews on Google and Yelp, and verify the CSLB license number. Get at least three quotes and compare not just price, but crew quality, financing options, and post-installation support.
In-house crews mean the company is directly accountable for every aspect of your installation. With subcontractors, quality control is harder to maintain, communication gaps increase, and warranty claims can become complicated. When the team that designs your system also installs it, you get consistent quality and a single point of contact for the life of your system.
Look for reviews that mention specific details: Was the crew professional and on time? Did the system produce the savings that were promised? How did the company handle issues after installation? Consistent 5-star reviews over many years are more reliable than a high volume of recent reviews from a newer company.
Not necessarily. National chains often subcontract installation to local crews you’ve never vetted, and their call centers lack local knowledge of San Diego’s permitting process, SDG&E requirements, and climate-specific design considerations. A locally owned company with decades of experience typically provides more personalized service and faster response times.
A prepaid solar lease allows you to pay for your solar energy upfront at a significant discount rather than making monthly payments. San Diego Solar’s prepaid lease program reduces the upfront cost of going solar by 30–40% compared to a standard cash purchase. It’s one of the most cost-effective ways to go solar, and these programs are time-limited.
Solar panel warranties last 25 years, so ideally your solar company should have the stability to support you for the full life of your system. A company with 10+ years is good; 20+ years is excellent. San Diego Solar has been in business for 30 years — we’ve been here since before the modern solar industry existed in San Diego, and we’ll be here for decades to come.
Ask these five before signing any contract: (1) Do you use in-house crews or subcontractors for the actual installation? (2) Can I see your CSLB license number and recent insurance certificates? (3) What does your workmanship warranty cover, and for how long? (4) Will the same team that designs my system also install it? (5) How long has your company been in business under the current ownership? Companies that pause or deflect on any of these are red flags.
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Save 30–40% with our prepaid lease program. These programs won't last forever.