Trusted by Homeowners | 4+ Star Google Rating | Since 1984

The local solar team homeowners trust for the long run.

Sun First Solar has designed, installed, and serviced custom home solar and battery systems across Marin County and the Bay Area for over 42 years — the same local, in-house team from your first call through years of support after activation.

Calls answered Mon–Thu, 8am–5pm · Request a quote online anytime

Trusted by Homeowners | 4+ Star Google Rating | Since 1984

The local solar team homeowners trust for the long run.

Sun First Solar has designed, installed, and serviced custom home solar and battery systems across Marin County and the Bay Area for over 42 years — the same local, in-house team from your first call through years of support after activation.

Calls answered Mon–Thu, 8am–5pm · Request a quote online anytime

Trusted by Homeowners | 4+ Star Google Rating | Since 1984

The local solar team homeowners trust for the long run.

Sun First Solar has designed, installed, and serviced custom home solar and battery systems across Marin County and the Bay Area for over 42 years — the same local, in-house team from your first call through years of support after activation.

Calls answered Mon–Thu, 8am–5pm · Request a quote online anytime

Locally owned and operated in San Rafael since 1984 — full-service, in-house, from design through years of support.

42+

Years in business

A+

BBB rating since 2004

25-yr

Product warranty

40M+

lbs CO₂ offset

Locally owned and operated in San Rafael since 1984 — full-service, in-house, from design through years of support.

42+

Years in business

A+

BBB rating since 2004

25-yr

Product warranty

40M+

lbs CO₂ offset

Locally owned and operated in San Rafael since 1984 — full-service, in-house, from design through years of support.

42+

Years in business

A+

BBB rating since 2004

25-yr

Product warranty

40M+

lbs CO₂ offset

Solar installation

A rooftop system designed around your home, installed and supported by one local team.

Every roof, panel count, and usage pattern is different. We design each system around your actual PG&E history, then handle design, permitting, installation, and activation in-house — so one experienced team is accountable for your system, start to finish.

Custom-designed for your roof and energy use, not a one-size-fits-all package

Full-service in-house: design, permitting, installation, and activation

Flexible financing and payment options available

Backed by 42+ years of local experience and an A+ BBB rating

Solar installation

A rooftop system designed around your home, installed and supported by one local team.

Every roof, panel count, and usage pattern is different. We design each system around your actual PG&E history, then handle design, permitting, installation, and activation in-house — so one experienced team is accountable for your system, start to finish.

Custom-designed for your roof and energy use, not a one-size-fits-all package

Full-service in-house: design, permitting, installation, and activation

Flexible financing and payment options available

Backed by 42+ years of local experience and an A+ BBB rating

Solar installation

A rooftop system designed around your home, installed and supported by one local team.

Every roof, panel count, and usage pattern is different. We design each system around your actual PG&E history, then handle design, permitting, installation, and activation in-house — so one experienced team is accountable for your system, start to finish.

Custom-designed for your roof and energy use, not a one-size-fits-all package

Full-service in-house: design, permitting, installation, and activation

Flexible financing and payment options available

Backed by 42+ years of local experience and an A+ BBB rating

Environmental impact

Your roof can offset more carbon than you'd think.

Across four decades of installs, Sun First systems have offset more than 40 million pounds of CO₂. A typical 5kW home system alone offsets carbon equal to:

4,800

Trees planted

415,000 mi

Driving avoided

651 tons

Waste diverted

Environmental impact

Your roof can offset more carbon than you'd think.

Across four decades of installs, Sun First systems have offset more than 40 million pounds of CO₂. A typical 5kW home system alone offsets carbon equal to:

4,800

Trees planted

415,000 mi

Driving avoided

651 tons

Waste diverted

Environmental impact

Your roof can offset more carbon than you'd think.

Across four decades of installs, Sun First systems have offset more than 40 million pounds of CO₂. A typical 5kW home system alone offsets carbon equal to:

4,800

Trees planted

415,000 mi

Driving avoided

651 tons

Waste diverted

Energy savings

Electricity rates only move one direction. Your solar rate doesn't have to.

PG&E rates rise year after year. Installing now locks in your energy cost while everyone else's bill keeps climbing — and the highest-efficiency panels we install carry a 25-year manufacturer warranty.

Fixed, predictable energy costs for decades

Highest-efficiency panels on the market

25-year manufacturer warranty

Energy savings

Electricity rates only move one direction. Your solar rate doesn't have to.

PG&E rates rise year after year. Installing now locks in your energy cost while everyone else's bill keeps climbing — and the highest-efficiency panels we install carry a 25-year manufacturer warranty.

Fixed, predictable energy costs for decades

Highest-efficiency panels on the market

25-year manufacturer warranty

Energy savings

Electricity rates only move one direction. Your solar rate doesn't have to.

PG&E rates rise year after year. Installing now locks in your energy cost while everyone else's bill keeps climbing — and the highest-efficiency panels we install carry a 25-year manufacturer warranty.

Fixed, predictable energy costs for decades

Highest-efficiency panels on the market

25-year manufacturer warranty

Battery storage

Pair your system with a battery for backup power and round-the-clock savings.

Solar covers your daytime usage; battery storage banks the extra for nighttime and PG&E outages. Our team designs and installs battery systems, including Tesla Powerwall, sized to how your household actually uses energy.

Tesla Powerwall installation by our in-house team

Keep essential circuits running during a PG&E outage

Store your solar to use after the sun goes down

Battery storage

Pair your system with a battery for backup power and round-the-clock savings.

Solar covers your daytime usage; battery storage banks the extra for nighttime and PG&E outages. Our team designs and installs battery systems, including Tesla Powerwall, sized to how your household actually uses energy.

Tesla Powerwall installation by our in-house team

Keep essential circuits running during a PG&E outage

Store your solar to use after the sun goes down

Battery storage

Pair your system with a battery for backup power and round-the-clock savings.

Solar covers your daytime usage; battery storage banks the extra for nighttime and PG&E outages. Our team designs and installs battery systems, including Tesla Powerwall, sized to how your household actually uses energy.

Tesla Powerwall installation by our in-house team

Keep essential circuits running during a PG&E outage

Store your solar to use after the sun goes down

Why Marin County

homeowners trust Sun First

42+ years of local, full-service solar — the kind of company you can

still call five years after installation.

Full-service, in-house

Design, permitting, installation, activation, and ongoing service — all handled by one accountable local team.

We answer the phone

Experienced, long-tenured staff provide responsive local support — before the sale and long after activation.

42+ years, A+ BBB

Accredited with the BBB since 2004, with custom installs of every size and complexity across Marin County.

Why Marin County

homeowners trust Sun First

42+ years of local, full-service solar — the kind of company you can

still call five years after installation.

Full-service, in-house

Design, permitting, installation, activation, and ongoing service — all handled by one accountable local team.

We answer the phone

Experienced, long-tenured staff provide responsive local support — before the sale and long after activation.

42+ years, A+ BBB

Accredited with the BBB since 2004, with custom installs of every size and complexity across Marin County.

Why Marin County

homeowners trust Sun First

42+ years of local, full-service solar — the kind of company you can

still call five years after installation.

Full-service, in-house

Design, permitting, installation, activation, and ongoing service — all handled by one accountable local team.

We answer the phone

Experienced, long-tenured staff provide responsive local support — before the sale and long after activation.

42+ years, A+ BBB

Accredited with the BBB since 2004, with custom installs of every size and complexity across Marin County.

What Our Customers Have To Say

See what homeowners have to say about their experience with Sun First Solar, from the installation process to the benefits of going solar.

What Our Customers Have To Say

See what homeowners have to say about their experience with Sun First Solar, from the installation process to the benefits of going solar.

What Our Customers Have To Say

See what homeowners have to say about their experience with Sun First Solar, from the installation process to the benefits of going solar.

Questions homeowners ask us most

Straight answers before you commit to anything.

How long until solar pays for itself?

Most homeowners recover their full system cost in 5–7 years through PG&E bill savings, then continue saving for the life of the system.

What warranty comes with the panels?

We install the highest-efficiency products available, backed by a 25-year manufacturer warranty on the panels themselves.

Am I eligible for the 30% tax credit?

Most homeowners who purchase a system this year qualify for the federal credit. Our specialists review your specific situation and walk you through every credit available.

Do you handle roofs of any size or complexity?

Yes. We've custom-designed and installed systems across Marin County and the Bay Area for over 42 years, regardless of roof size, angle, or difficulty.

Do you install battery storage or Tesla Powerwall?

Yes. Our in-house team installs battery storage, including Tesla Powerwall, sized to your household so you keep power during a PG&E outage and use stored solar after dark.

Do you offer financing?

Yes, a range of payment and financing options are available. Your specialist will walk you through what fits your budget during your free consultation.

What's the first step to get started?

Request a free consultation online anytime, or call us Mon–Thu, 8am–5pm. A local specialist reviews your PG&E usage and roof, then shows you exactly what you'd save.

Questions homeowners ask us most

Straight answers before you commit to anything.

How long until solar pays for itself?

Most homeowners recover their full system cost in 5–7 years through PG&E bill savings, then continue saving for the life of the system.

What warranty comes with the panels?

We install the highest-efficiency products available, backed by a 25-year manufacturer warranty on the panels themselves.

Am I eligible for the 30% tax credit?

Most homeowners who purchase a system this year qualify for the federal credit. Our specialists review your specific situation and walk you through every credit available.

Do you handle roofs of any size or complexity?

Yes. We've custom-designed and installed systems across Marin County and the Bay Area for over 42 years, regardless of roof size, angle, or difficulty.

Do you install battery storage or Tesla Powerwall?

Yes. Our in-house team installs battery storage, including Tesla Powerwall, sized to your household so you keep power during a PG&E outage and use stored solar after dark.

Do you offer financing?

Yes, a range of payment and financing options are available. Your specialist will walk you through what fits your budget during your free consultation.

What's the first step to get started?

Request a free consultation online anytime, or call us Mon–Thu, 8am–5pm. A local specialist reviews your PG&E usage and roof, then shows you exactly what you'd save.

Questions homeowners ask us most

Straight answers before you commit to anything.

How long until solar pays for itself?

Most homeowners recover their full system cost in 5–7 years through PG&E bill savings, then continue saving for the life of the system.

What warranty comes with the panels?

We install the highest-efficiency products available, backed by a 25-year manufacturer warranty on the panels themselves.

Am I eligible for the 30% tax credit?

Most homeowners who purchase a system this year qualify for the federal credit. Our specialists review your specific situation and walk you through every credit available.

Do you handle roofs of any size or complexity?

Yes. We've custom-designed and installed systems across Marin County and the Bay Area for over 42 years, regardless of roof size, angle, or difficulty.

Do you install battery storage or Tesla Powerwall?

Yes. Our in-house team installs battery storage, including Tesla Powerwall, sized to your household so you keep power during a PG&E outage and use stored solar after dark.

Do you offer financing?

Yes, a range of payment and financing options are available. Your specialist will walk you through what fits your budget during your free consultation.

What's the first step to get started?

Request a free consultation online anytime, or call us Mon–Thu, 8am–5pm. A local specialist reviews your PG&E usage and roof, then shows you exactly what you'd save.

Rates are rising now

Every season you wait, PG&E rates climb again.

Lock in your solar rate and the 30% federal tax credit before either one changes. Free analysis, no obligation — takes less than 2 minutes to request.

Rates are rising now

Every season you wait, PG&E rates climb again.

Lock in your solar rate and the 30% federal tax credit before either one changes. Free analysis, no obligation — takes less than 2 minutes to request.

Rates are rising now

Every season you wait, PG&E rates climb again.

Lock in your solar rate and the 30% federal tax credit before either one changes. Free analysis, no obligation — takes less than 2 minutes to request.

Local, full-service solar design and installation serving Marin County and the Bay Area since 1984. A+ BBB accredited since 2004.

Local, full-service solar design and installation serving Marin County and the Bay Area since 1984. A+ BBB accredited since 2004.

Local, full-service solar design and installation serving Marin County and the Bay Area since 1984. A+ BBB accredited since 2004.