✓ California Licensed Contractor
✓ CSLB #964965
✓ Family-Owned & Operated
✓ Fully Insured
✓ Serving California Homeowners Since 2014
- RESIDENTIAL ROOF AND SOLAR COMBO IN SAN MATEO COUNTY
Residential Roof and Solar Combo in Foster City, CA
Green Conception installs Residential Roof and Solar Combo systems across Foster City, CA, including ZIP 94404 - serving lagoon-side homes, planned communities, and mid-century neighborhoods throughout San Mateo County.
Since 2014
Serving California homeowners
60+
Verified customer reviews
$0
Down · 100% financing available
Lic. 964965
CSLB licensed & insured
— Built for this community
Foster City Homes Deserve a Roof Built for the Long Run
Foster City was master-planned in the 1960s, and that heritage shows in its architecture - curved streets, consistent ranch and split-level builds, and a housing stock that's aging in place just like its original owners. Those roofs weren't built with solar in mind. 94404 sees real coastal moisture, salt air off the bay, and the kind of slow UV degradation that sneaks up on homeowners. A Residential Roof and Solar Combo replaces the worn-out substrate first, then mounts panels on a fresh, warrantied surface. That sequence matters. Installing solar on a roof with 8 years of life left means pulling everything off again in less than a decade. Green Conception handles both trades under one permit set - roofing and solar together, not stitched together after the fact.
— The benefits
6 Reasons Foster City Homeowners Choose a Combo Install
One Crew, One Timeline
Coordinating two separate contractors in Foster City adds weeks. Green Conception handles roofing and solar together, cutting scheduling conflicts and keeping your project moving through San Mateo County permit review without delays.
No Panels on Old Shingles
94404 homes built in the 1970s often have original or once-replaced roofs underneath. Mounting solar on deteriorating shingles voids most manufacturer warranties and guarantees a costly re-roof within the decade. Start fresh.
PG&E Bill Relief, Fast
PG&E Time-of-Use rates hit Foster City households hard, especially in summer. A properly sized solar system paired with a new roof cuts monthly bills significantly and locks in predictable energy costs for 25-plus years.
Single Permit, Less Hassle
San Mateo County combined roof-and-solar permits typically take 3-5 business days. Running one permit set instead of two separate pulls means fewer inspections, less back-and-forth, and a faster path to system activation.
Manufacturer Warranty Protected
Solar panel warranties require installation on a structurally sound, non-compromised roof surface. A new roof underneath your panels keeps that warranty intact for the full 25-year term. Documentation provided at job completion.
Curb Appeal Stays Intact
Foster City's planned community aesthetic means neighbors notice. Low-profile panels flush-mounted on matching new shingles or tile look intentional. Retrofitted panels on a patchy old roof don't. Both matter to resale value here.
01
Free Inspection and Written Quote
A Green Conception technician checks your Foster City roof and reviews your PG&E usage data. You get a written, no-obligation quote covering both roofing and solar. No deposit, no pressure.
02
Permit Filing With the County
Green Conception submits combined roofing and solar permits to San Mateo County. 94404 projects typically clear review in 3-5 business days. We handle all paperwork and follow up on your behalf.
03
Roof Removal and Replacement
Old shingles come off first. We inspect the decking, replace any rotted or damaged sections, and install new underlayment and roofing material under active CA contractor license with full liability insurance coverage.
04
Solar Mounting and Wiring
Panels mount on the fresh roof using flashed, waterproof penetrations installed during roofing - not drilled in after. Wiring runs to your main panel and inverter. Everything is code-compliant and inspection-ready.
05
City Inspection and PG&E Hookup
San Mateo County inspects the completed install. After passing, we submit PG&E interconnection paperwork. Most Foster City systems reach Permission to Operate within 2-4 weeks of final inspection.
— How it works
How a Foster City Combo Install Actually Works
A Residential Roof and Solar Combo in Foster City follows a specific sequence, and skipping steps is how projects go sideways. Green Conception starts with a free roof and solar inspection at your home in 94404, checks the existing structure, and puts together a no-obligation written quote covering both scopes. Once you approve, we handle all permit applications through San Mateo County - combined permits typically process in 3-5 business days. The roof goes first. Solar rough-in happens during roofing so penetrations are flashed correctly from day one. Panels mount after final roof inspection. PG&E interconnection paperwork follows. City inspection closes the permit. No open permits left behind, ever.
— More from Green Conception
More Ways Green Conception Helps
Roof Repair and Maintenance
Existing Foster City roofs that don't need full replacement still benefit from professional maintenance. Green Conception checks flashing, reseals penetrations, and replaces damaged sections. Small repairs in 94404 typically run $350-$900 and extend roof life by years without a full tear-off.
EV Charger Installation
Adding a Level 2 EV charger during your combo install saves a separate trip, separate permit, and separate electrician visit. Green Conception handles the sub-panel check, wire run, and charger mount in one mobilization. Foster City homeowners typically pay $800-$1,400 for a charger add-on during an existing project.
Battery Backup Storage
PG&E outages hit Foster City more than most Bay Area residents expect. A home battery paired with your solar system keeps lights, refrigerators, and medical equipment running when the grid goes down. Most installs qualify for the federal 30% tax credit alongside your solar system.
- Why us
Why Foster City Homeowners Pick Green Conception
Roofing and Solar Built Together, Not Bolted On
Most solar companies don't do roofing. Most roofers don't do solar. Green Conception does both because Foster City homes in 94404 need both done right, in the right order, by one crew that knows how the two systems interact.
"Every roof I see in Foster City that has solar bolted onto old shingles is a mistake waiting to happen. We replace the roof first because that's the only way the solar warranty means anything. I won't do it the other way."
— Nick K. · Founder
Hillsborough (94010)
Belmont (94002)
San Carlos (92119)
Burlingame (94010)
Green Conception Serves Foster City, CA - 94404
Green Conception has worked across Foster City's lagoon-side neighborhoods, mid-century ranches, and multi-story planned-community homes throughout 94404. We know the rooflines here - low-pitched, often with original materials, sitting in coastal air that degrades faster than homeowners expect. Every Foster City project gets pulled permits, city inspection, and manufacturer-backed materials. Call for a free inspection and no-obligation written quote. No deposit required.
San Mateo (94401)
— Common questions
Foster City Residential Roof and Solar Combo - Your Questions Answered
What does a combo install cost in Foster City?
Most Foster City Residential Roof and Solar Combo projects run between $28,000 and $55,000 depending on roof size, material choice, and system wattage. The federal 30% solar tax credit applies to the solar portion. Written quotes are free and carry no obligation to proceed.
How long does the full project take?
A typical Foster City combo install takes 3-5 days of on-site work after permits clear. San Mateo County combined permits process in about 3-5 business days. PG&E interconnection approval adds 2-4 weeks after final inspection. Total timeline from signed contract to live system runs 4-7 weeks.
Do I need a new roof before going solar?
Not always, but often yes in 94404. Roofs under 10 years old in good condition can support solar installation directly. Roofs older than 15-20 years - common in Foster City's planned communities - typically warrant replacement first to protect the solar warranty and avoid a costly re-roof later.
Which roofing materials work with solar panels?
Asphalt shingles are the most common and most solar-friendly option in Foster City. Flat concrete tile and standing-seam metal are also good candidates. Clay tile requires specialty mounts that add cost. Green Conception checks your existing roof type during the free inspection and recommends accordingly.
Does Green Conception pull the permits?
Yes. Green Conception handles all permit applications for both roofing and solar with San Mateo County. Permits in San Mateo County typically take 3-5 business days to process. No Foster City homeowner should have to navigate the county building department on their own project.
What happens to my PG&E bill after install?
Most Foster City homeowners see PG&E bills drop 70-100% after a properly sized solar system goes live. Actual savings depend on system size, usage patterns, and PG&E's Time-of-Use rate schedule. Net Energy Metering credits carry over month to month, so summer overproduction offsets winter months.
Is the Residential Roof and Solar Combo worth it in Foster City?
For most 94404 homeowners, yes. PG&E rates in San Mateo County are among the highest in California. Combining a roof replacement with solar avoids two separate mobilization costs, two permit fees, and two inspection schedules. The break-even on solar typically runs 6-9 years in this utility territory.
Do you offer battery storage with the combo?
Green Conception installs battery backup systems alongside Residential Roof and Solar Combo projects in Foster City. Adding storage during the original install saves a second mobilization cost and keeps the permit set clean. Most batteries qualify for the 30% federal tax credit when paired with a new solar installation.
