✓ California Licensed Contractor
✓ CSLB #964965
✓ Family-Owned & Operated
✓ Fully Insured
✓ Serving California Homeowners Since 2014

- BEST SOLAR AND ROOFING COMPANY IN SAN MATEO COUNTY
Best Solar and Roofing Company in Hillsborough, CA
Green Conception serves Hillsborough, CA 94010 with licensed roofing and solar installations. One crew, one warranty, zero runaround for homeowners across San Mateo County's most demanding zip code.
Since 2014
Serving California homeowners
60+
Verified customer reviews
$0
Down · 100% financing available
Lic. 964965
CSLB licensed & insured

— Built for this community
Hillsborough Roofing and Solar Done Under One License
Hillsborough insurance carriers are watching. More homeowners in 94010 are getting non-renewal notices tied directly to roof age and condition. An aging roof doesn't just leak - it triggers policy reviews, spikes premiums, and in some cases voids coverage entirely before a solar install can even be approved. Green Conception walks into that situation as a licensed roofing contractor with active C-39 and C-46 credentials, meaning we can replace your roof and mount a solar system in the same project sequence without handing you off to a second vendor. San Mateo County permits for combined roofing and solar typically run 3-5 business days. One inspection. One warranty document. No finger-pointing between trades when something needs a follow-up call. That's how a job in 94010 should run.
— The benefits
Six Reasons Hillsborough Homeowners Choose a Dual-Licensed Contractor
One Warranty Covers Everything
94010 homeowners don't chase two separate contractors when a leak appears near a panel. Green Conception's single warranty covers both the roofing system and the solar installation - no gaps, no disputes between trades.
Faster San Mateo Permits
Combined roofing and solar permits in San Mateo County take 3-5 business days when filed correctly the first time. Green Conception submits complete packages upfront, so your project doesn't stall at the planning counter.
PG&E Rate Relief Starts Sooner
PG&E's Hillsborough customers pay some of California's steepest per-kilowatt rates. Getting your roof and solar done in one mobilization cuts weeks off the timeline and moves your utility savings start date forward.
Insurance-Ready Roof Documentation
Every completed roof job gets a written inspection report and permit sign-off that satisfies San Mateo County insurance underwriters. That paperwork stops non-renewal conversations before they start in neighborhoods like 94010.
No Second Mobilization Cost
Staging a crew twice for a roof-then-solar sequence adds thousands in labor and equipment fees. Doing both in one visit keeps your driveway clear and your total project cost lower than splitting the work.
Local Knowledge of Hillsborough Homes
Older estate homes in 94010 carry tile, slate, and composition roofs that each behave differently under solar racking loads. Green Conception's crew has worked these roof types on the peninsula for years. Not guessing.
01
Free Roof and Site Inspection
Green Conception checks your Hillsborough roof deck, flashing condition, attic ventilation, and shading before anything else. No charge, no commitment, and no sales pressure during the visit.
02
Written Estimate, No Deposit
You get a line-item written quote separating roofing from solar costs. 94010 homeowners review both scopes independently so nothing gets buried inside a lump-sum number.
03
San Mateo County Permit Filing
Green Conception submits complete permit packages to San Mateo County. Accurate drawings and load calculations on the first submission mean 3-5 business day turnarounds instead of costly resubmittals.
04
Roof First, Solar Second
Roofing work completes and passes inspection before any solar hardware goes up. That sequence protects manufacturer warranties on both systems and keeps the install clean for county inspectors.
05
PG&E Interconnection and Activation
After city inspection closes the permit, Green Conception coordinates PG&E interconnection paperwork. Net metering activates and your Hillsborough home starts banking credits against those high PG&E bills.
— How it works
How Green Conception Handles a Hillsborough Roof and Solar Project
Every job in Hillsborough starts with a free inspection before a single dollar changes hands. Green Conception checks the roof deck, flashing, and attic ventilation first - because mounting solar on a roof that needs work in two years is a bad deal for the homeowner. Once the site check is done, we'll put together a written, no-obligation estimate that separates roofing scope from solar scope so you can see exactly what each piece costs. San Mateo County permit applications go in next, typically returning in 3-5 business days. Installation runs in sequence: roofing first, then solar mounting, then electrical tie-in. City inspection closes the permit. PG&E interconnection follows, and net metering activates. No deposit required to get started.
— More from Green Conception
More Services for Hillsborough Homes



Gutter and Drainage System Work
Hillsborough's mature tree canopy drops debris into gutters year-round, and clogged drainage is one of the fastest ways to damage a new roof. Green Conception installs, clears, and re-slopes gutters on 94010 estates to keep water moving away from your foundation and fascia boards correctly.
Solar Panel Installation
Skylights on older Hillsborough estates are a common leak source - especially around original flashing that's never been touched. Green Conception installs and reseals skylights with code-compliant flashing during roofing projects so you're not calling for a separate service visit six months later.
Attic Insulation and Ventilation
Poor attic ventilation traps heat under a roof deck and shortens shingle life by years. Green Conception checks and upgrades insulation and ridge vent systems on Hillsborough homes so your roof and solar system both perform at the levels the manufacturers designed them for.
- Why us
Why Hillsborough Homeowners Pick Green Conception
Hillsborough Inspections Passed Every Time
Pulling permits in San Mateo County correctly the first time saves 2-3 weeks on a typical project. Green Conception knows the county's submission requirements and inspection scheduling process for Hillsborough addresses specifically. Fewer delays. Every time.

How Green Conception Thinks About Roofing and Solar in Hillsborough
Hillsborough's fog belt climate, estate-scale roof footprints, and high PG&E exposure create a specific set of decisions that don't apply in every market. Green Conception's approach treats the roof and solar system as one integrated structure - not two separate contracts stapled together.
"Hillsborough roofs are big, old, and sitting under marine layer half the year. You can't just bolt solar onto whatever's up there and hope it holds - you check the deck first, you pick the right underlayment, and you do it under one permit or you're asking for problems."
— Nick K. · Founder
Belmont (94002)
San Mateo (94401)
Millbrae (94030)
San Bruno (94066)
Green Conception Roofing and Solar Serving Hillsborough, CA 94010
Green Conception works directly in Hillsborough's 94010 zip code, where estate-sized homes on tree-lined streets carry some of the most complex roof profiles on the peninsula. We've worked on older Tudor-style and Spanish-tile homes near Crystal Springs Road, large flat-roof sections in the central Hillsborough neighborhoods, and multi-pitch estates closer to the Ralston Avenue corridor. Every job gets a free inspection, a written no-obligation estimate, and permit handling through San Mateo County. No deposit required to get started.
Burlingame (94010)
— Common questions
Common Questions About Roofing and Solar in Hillsborough, CA
Do I need a new roof before installing solar in Hillsborough?
You don't always need a full replacement, but your roof has to be checked first. Green Conception inspects the deck, underlayment, and flashing condition before any solar design begins. Roofs in 94010 that are over 15 years old often need partial or full replacement before racking gets installed. Skipping that step voids most solar manufacturer warranties.
How long do San Mateo County roofing permits take?
San Mateo County roofing and solar permits typically take 3-5 business days when the application is complete and accurate. Green Conception submits full plan sets and load calculations on the first filing to avoid resubmittals. Incomplete applications are the single biggest cause of permit delays for 94010 homeowners. We handle the entire submission.
What roofing materials work best in Hillsborough's fog belt climate?
Hillsborough's marine layer keeps roof surfaces damp for extended periods, which accelerates moss growth and underlayment degradation on standard materials. Class-A composition shingles with fungal-resistant coatings and synthetic underlayment outperform basic options in 94010 conditions. Green Conception specs materials for the actual climate, not just the lowest price point on a bid sheet.
Will solar actually pencil out given Hillsborough's fog and shade?
Yes, but system design matters more than it does in sunnier markets. 94010 homes often have large south-facing roof sections that clear the morning fog by mid-day. Green Conception runs actual shade analysis and PG&E bill data to size a system that hits a real payback number, not an optimistic marketing figure built on ideal conditions.
Can Green Conception handle both roofing and solar under one contract?
Yes. Green Conception holds active CSLB C-39 and C-46 licenses, meaning both roofing and solar work are covered under one contractor and one contract. Hillsborough homeowners get a single warranty, single point of contact, and single permit package rather than managing two vendors who blame each other when something needs fixing.
How does Hillsborough's insurance situation affect roofing decisions?
San Mateo County insurers are actively non-renewing policies on homes with roofs over 20 years old or with visible deterioration. In 94010, where home values are high and replacement costs are higher, a documented roof replacement with permitted work and a city inspection sign-off is often enough to satisfy a carrier's requirements and keep coverage active.
What does a combined roof and solar project cost in Hillsborough?
A full roof replacement on a Hillsborough estate typically runs $18,000-$45,000 depending on roof size, pitch, and material choice. Solar additions on top of that run $15,000-$35,000 before the federal tax credit. Green Conception gives written line-item quotes so you see exactly what each scope costs before any work starts. No lump-sum surprises.
Is Green Conception familiar with older Hillsborough estate homes?
Yes. Older estates in 94010 carry a mix of tile, slate, and multi-decade composition roofs with structural quirks that newer tract homes don't have. Green Conception's crew has worked on these roof types specifically on the peninsula. We check rafter spans, ridge conditions, and existing flashing details before designing any roofing or solar scope for a Hillsborough property.


