✓ California Licensed Contractor
✓ CSLB #964965
✓ Family-Owned & Operated
✓ Fully Insured
✓ Serving California Homeowners Since 2014
- ONE STOP SOLAR AND ROOFING IN SAN MATEO
One Stop Solar and Roofing in San Mateo, CA
Serving San Mateo homeowners in 94401, 94402, and 94403 with solar installs, roof replacements, and re-roofing - one crew, one permit package, one warranty.
Since 2014
Serving California homeowners
60+
Verified customer reviews
$0
Down · 100% financing available
Lic. 964965
CSLB licensed & insured
— Built for this community
Why San Mateo Homeowners Are Going Solar and Re-Roofing Together
PG&E rates in San Mateo aren't slowing down. Homeowners in 94401 are paying some of the highest residential electricity bills in the state, and a solar system installed on a roof that has five years of life left is money thrown sideways. Green Conception built One Stop Solar and Roofing specifically for this situation. We check your roof first. If it needs replacement, we quote both jobs together, pull a single permit package through San Mateo County, and run one crew start to finish. No handoffs. No gap in warranty coverage between two separate contractors. The result is a solar-ready roof that actually holds up to Bay Area fog, marine moisture, and the occasional wild wind off the hills. One call gets it done.
— The benefits
Six Reasons San Mateo Homeowners Choose One Stop Solar and Roofing
Single Permit Package
San Mateo County permit processing for a combined solar-and-roof job typically runs 5-7 business days. We handle all filings, so you don't track two separate applications across two contractors.
One Roof Warranty
Split projects mean split warranties - and gaps. 94402 homeowners who bundle both jobs with us get a single manufacturer-backed warranty covering the full roof system underneath the panels.
PG&E Interconnection Support
Getting PG&E to approve your interconnection in San Mateo takes paperwork most roofers skip entirely. We file NEM applications and follow up directly, cutting weeks off your activation timeline.
Bay Area Roof Assessment
Marine air and heavy fog in 94403 degrade underlayment faster than inland cities. We inspect every layer before any solar hardware goes on, so panels don't end up on a roof that needs work next year.
Licensed and Insured in CA
Active California contractor's license, full liability insurance, and workers' comp on every San Mateo job. No uninsured subs. City inspections passed on the first visit, not the third.
No Deposit Required
We don't ask for money upfront. Written quote, no-obligation estimate, and zero deposit until work starts. San Mateo homeowners know what every line costs before a single shingle comes off.
01
Free Roof and Site Inspection
We inspect your roof, attic access, electrical panel, and sun exposure in San Mateo before quoting anything. No pressure, no deposit, just an honest look at what your home needs.
02
Written Quote for Both Jobs
You get a single itemized quote covering roofing and solar together. 94401 and 94402 homeowners see every cost line before signing - no surprises added after the contract.
03
San Mateo County Permit Filing
We pull one combined permit package through San Mateo County. Processing typically runs 5-7 business days. We track status and schedule city inspection as soon as approval lands.
04
Roof First, Then Solar
Roofing crew completes the replacement and passes city inspection before any solar hardware touches the surface. Panels go onto a fully warranted, properly flashed roof - not a temporary fix.
05
PG&E Activation and Closeout
We file PG&E interconnection paperwork and follow up until your meter is approved. Final walkthrough confirms everything is tight, warranted, and producing before we close the job.
— How it works
How Green Conception Runs a San Mateo Solar and Roofing Project
Most San Mateo homes we see in 94401 and 94402 are 30 to 60 years old. That age range means the roof conversation has to happen before the solar conversation. Green Conception starts with a free inspection - roof deck, underlayment, flashing, and drainage all get checked. If replacement is needed, we quote it alongside the solar system so you see the full picture upfront. Permits go to San Mateo County as a single package. Once approved, the roofing crew goes first, city inspection follows, then solar installation begins on a clean, warranted surface. PG&E interconnection paperwork runs in parallel. Final city sign-off closes the project. One contractor responsible for everything, start to finish.
— More from Green Conception
More From Green Conception
Attic Insulation Upgrades
San Mateo homes in 94402 and 94403 lose significant energy through under-insulated attics, which cuts solar ROI fast. We quote attic insulation alongside roofing jobs so your upgraded roof and new panels work together efficiently. One crew, one visit, one permit if required by San Mateo County.
Battery Backup Systems
PG&E outages in San Mateo County happen more than people expect, especially during high-wind events near the hills. Green Conception installs battery storage systems paired with your solar array, so your home keeps running when the grid goes down. Quoted and installed under the same project.
- Why us
Why 4S Ranch Homeowners Choose Green Conception
How Green Conception Builds One Stop Solar and Roofing Jobs
Bundling solar and roofing isn't just a convenience pitch. Done right, it means panels sit on a roof engineered to hold them, drainage is designed around racking, and warranties don't have gaps between two separate contractors pointing fingers at each other.
"In San Mateo, you can't slap panels on a 40-year-old roof and call it good. We do the roof right first, then the solar - and the whole thing is under one warranty. That's the only way I'll run it."
— Nick K. · Founder
Millbrae (94030)
Hillsborough (94010)
Foster City (94404)
Belmont (94002)
Green Conception Serving San Mateo, CA Homeowners Directly
Green Conception works directly in San Mateo neighborhoods from the flatlands near 94401 to the hillside homes in 94402 and the newer developments in 94403. We've inspected aging Eichler-influenced ranchhouses, older two-stories with worn composition shingles, and Bay-facing properties where marine moisture hits the roof harder than owners expect. Every job we run here goes through San Mateo County permitting with a city inspection included. No remote project management, no dispatched subs - the same crew you meet at inspection does the work.
Burlingame (94010)
— Common questions
Common Questions About One Stop Solar and Roofing in San Mateo
What does One Stop Solar and Roofing mean in San Mateo?
One Stop Solar and Roofing means Green Conception handles both your roof replacement and solar installation under a single contract, permit package, and warranty. San Mateo homeowners don't coordinate between two separate companies - we manage the full scope from inspection through PG&E activation.
Does my San Mateo roof need replacement before solar?
Not always, but many homes in 94401 and 94402 do. We inspect your roof during a free visit and give you an honest answer. If the roof has less than 10 years of life left, replacing it before solar installation saves you a costly removal and reinstall later.
How long do San Mateo County permits take for this work?
Combined solar and roofing permits in San Mateo County typically take 5-7 business days for approval. We file everything as a single package and track status directly. Scheduling city inspection happens as soon as approval lands so your project doesn't sit waiting.
Will Green Conception file my PG&E interconnection paperwork?
Yes. Green Conception files your PG&E NEM interconnection application and follows up until your meter is approved and running. San Mateo homeowners don't need to contact PG&E themselves - we handle all back-and-forth with the utility through final activation.
What roofing materials do you install in San Mateo?
Green Conception installs composition shingles, cool-roof rated materials, and flat roof systems depending on your San Mateo home's structure and HOA requirements. Bay Area fog and marine air conditions factor into our material recommendations for homes in 94402 and 94403. We quote options with full cost detail.
Do you require a deposit before starting work in San Mateo?
No deposit is required before work starts. San Mateo homeowners get a written, itemized quote and a signed contract before any crew or materials are scheduled. You know every line cost upfront. Money only moves when the project is officially underway and you've confirmed the schedule.
Is Green Conception licensed and insured for San Mateo jobs?
Green Conception holds an active California contractor's license, carries full general liability insurance, and maintains workers' compensation coverage on every San Mateo job. You can verify our license through the California Contractors State License Board. No uninsured subcontractors work on your property. City inspections are part of every project.
How do PG&E rates in San Mateo affect my solar payback?
PG&E residential rates in San Mateo have exceeded 30 cents per kWh, which is among the highest in California. Higher rates shorten payback periods because every kilowatt your system produces displaces expensive grid power. San Mateo homeowners typically see faster returns than homeowners in lower-rate utility territories across the state.
