Compare the highest-rated home solar professionals in Mill Valley, California. All contractors are licensed, insured, and verified through our rigorous screening process.
Sunrun is one of the nation's leading residential solar, battery storage, and energy services companies. They are a major player in the Mill Valley market, known for their strong brand, comprehensive service plans, and flexible financing options, including popular Power Purchase Agreements (PPAs) and leases that require little to no money down.
A highly-rated, locally-focused provider based in the North Bay. Synergy Solar has built an excellent reputation for customer service, high-quality installation, and expertise in both grid-tied and complex off-grid systems. They are known for personalized consultations and deep knowledge of local permitting and incentives.
A premier, family-owned solar installer serving the North Bay for over four decades. SolarCraft is renowned for its exceptional craftsmanship, long-term customer relationships, and extensive experience with high-end residential projects common in Mill Valley. They are a full-service provider from design to maintenance.
** The home solar market in Mill Valley is mature, sophisticated, and highly competitive. The average quality of providers is very high, as the affluent and environmentally-aware homeowner demographic demands premium equipment, flawless installation, and excellent customer service. Competition is strong between national providers like Sunrun, who offer attractive financing, and established local/regional specialists like Synergy Solar and SolarCraft, who compete on superior craftsmanship, personalized service, and deep local knowledge. Typical pricing for a residential solar system in Mill Valley is at a premium compared to national averages, reflecting higher local labor costs, the complexity of some installations (e.g., roofs with challenging angles or requiring aesthetic integration), and the use of top-tier equipment. A typical system cost before the 30% federal tax credit can range from **$25,000 to $45,000+** for a 6kW to 10kW system. Battery storage integration, such as the Tesla Powerwall or Sunrun's Brightbox, is increasingly popular due to concerns over PG&E Public Safety Power Shutoffs (PSPS) and is a significant additional cost. Providers in this market are generally very adept at navigating local incentives, net metering with PG&E, and the federal investment tax credit (ITC).
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Mill Valley regulations and climate
Get answers to common questions about home solar services in Mill Valley, California.
Mill Valley's famous morning fog and marine layer can reduce solar production by 10-20% compared to inland areas, primarily in the summer months. However, our high electricity rates and abundant sunny afternoons still make solar highly economical. Most homes here require a system sized between 4kW to 7kW to offset average usage, with south or west-facing roofs being ideal to capture the afternoon sun after the fog burns off.
All installations require a building permit from the Mill Valley Building Division and must comply with the Marin County Fire Code, which has strict requirements for roof access pathways and setbacks, especially in our wildfire-prone areas. Your installer should also handle the interconnection agreement with Marin Clean Energy (MCE), our local electricity provider, which has specific guidelines for net metering and the switch from PG&E.
Before incentives, a typical 5kW system in Mill Valley ranges from $15,000 to $25,000, depending on roof complexity and equipment. The key financial benefit is the 30% federal Investment Tax Credit (ITC), plus California's property tax exclusion for the added home value. Critically, you will participate in Marin Clean Energy's Net Energy Metering (NEM) program, crediting you for excess power sent to the grid.
Prioritize providers with extensive experience navigating Marin County's specific permit and fire safety requirements. Look for a Marin County-based or North Bay-focused installer with strong local references, and verify they are a licensed California C-10 or C-46 contractor. While we don't endorse specific companies, reputable local providers often have long-standing relationships with the Mill Valley planning department, which can streamline the process.
Yes, adding a battery like a Tesla Powerwall or similar is highly recommended for Mill Valley homeowners. Due to elevated wildfire risk, PG&E frequently enacts PSPS events in our area, making backup power essential. A battery stores your solar energy to provide power during outages and, under Marin Clean Energy's rules, can also be used to reduce your bill by discharging during peak rate periods in the evening.