St. Helena is one of Napa Valley's most affluent communities, with historic Main Street charm and vineyard estates commanding premium home values around $1,800,000. Roofing here must match the town's elevated standards. Hamilton Exteriors installs premium materials including architectural asphalt, concrete tile, and standing-seam metal on St. Helena homes.
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Roofing Contractor in St. Helena
500+ projects
Since 2018
Up to 50-Year
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For local cost factors and planning, read our Roofing cost guide for St. Helena.
For detailed pricing factors, use our 2026 Bay Area roof replacement cost guide.
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Roofing certifications and contractor credentials
Customer-Service Obsessed
Responsive from consultation through project closeout
Architect and general contractor
One accountable team
Licensed, bonded, and insured
Verified business credentials
Roofing Services 
Choose the Roofing Service You Need
Roof Replacement
A full roof-system scope based on deck condition, water-control details, ventilation, material choice, permits, and cleanup.
Roof Repair
Targeted diagnosis and repair for leaks, damaged roofing, flashing failures, penetrations, and isolated storm damage.
Roof Inspection
A condition review of roofing, flashings, penetrations, drainage, ventilation, and visible deck concerns before a scope is set.
Gutters
Gutter and downspout planning tied to roof edges, drainage paths, fascia condition, discharge points, and site conditions.
Roofing Systems 
Explore Roofing Systems for Your Home
Asphalt Shingles
GAF shingle systems planned around roof geometry, ventilation, flashing, color, and applicable warranty options.
GAF Energy Solar Roofing
Timberline Solar ES 2 energy shingles coordinated with compatible Timberline roofing, electrical design, permits, and utility requirements.
Metal Roofing
Standing-seam and metal-panel options reviewed for slope, penetrations, drainage, finish, and connection details.
Tile Roofing
Clay and concrete tile systems planned around structural capacity, underlayment, flashing, drainage, and replacement access.
Torch-Down Roofing
Modified-bitumen roofing for eligible low-slope sections, planned around deck condition, drainage, penetrations, flashing, and application details.
TPO Roofing
Single-ply TPO membrane systems planned around attachment, insulation, heat-welded seams, drainage, penetrations, and edge details.
Fire risk is a defining concern for St. Helena homeowners. The town's hillside properties and proximity to dense vegetation mean many parcels fall in WUI zones requiring Class A fire-rated roofing, ember-resistant vents, and non-combustible materials. Insurance availability often depends on having a compliant, well-maintained roof. Our free inspection includes fire zone verification for your property.
St. Helena's housing stock includes treasured late-1800s Victorians along Main Street, mid-century homes on Pope Street and Hunt Avenue, and newer vineyard estates on Spring Mountain Road and Meadowood. Each era demands different roofing approaches. Historic homes may require special attention to plank sheathing and period-appropriate aesthetics, while modern builds need materials rated for extreme heat and fire exposure.
Neighborhoods We Serve
Roofing Across St. Helena Neighborhoods
Local planning starts with the site, neighborhood context, access, and applicable city review.
Main Street Historic District
Main Street Historic District homes require roofing contractors experienced with heritage structures. Hamilton Exteriors works with period-appropriate materials that maintain the district's architectural character while meeting modern fire and building codes. We understand the nuances of roofing St. Helena's most valued properties.
Vineyard Valley
Vineyard Valley properties blend residential living with wine country surroundings. Hamilton Exteriors installs roofing that complements this setting, using earthy tones and profiles that harmonize with the landscape. Fire-rated materials are standard for Vineyard Valley's proximity to agricultural land.
Meadowood Area
The Meadowood area's luxury properties demand premium roofing materials and meticulous installation. Hamilton Exteriors installs tile, slate-profile, and standing-seam metal roofs that match the area's elevated standards. Every detail, from flashing to ventilation, meets our exacting specifications.
Spring Mountain Road
Spring Mountain Road properties sit in fire-prone hillside terrain requiring Class A roofing, ember vents, and non-combustible materials. Hamilton Exteriors is experienced with the specific fire zone requirements for Spring Mountain Road parcels and installs compliant systems that protect homes and insurance eligibility.
Sulphur Springs Avenue
Sulphur Springs Avenue homes range from mid-century to newer construction, each presenting different roofing needs. Hamilton Exteriors evaluates each property individually, recommending materials and approaches suited to the home's age, architecture, and condition.
Hunt Avenue
Hunt Avenue's residential character benefits from roofing that enhances curb appeal. Hamilton Exteriors helps Hunt Avenue homeowners select colors and profiles that complement their home's style while providing the durability needed for Napa Valley's demanding climate.
Project Management How Hamilton Exteriors
How Hamilton Exteriors
Manages Your Roofing Project
Roof and Deck Review
We inspect the roof covering, accessible deck conditions, flashing, penetrations, ventilation, and drainage before defining the scope.
Roof System Scope
Your proposal identifies tear-off, deck repairs, underlayment, flashing, ventilation, selected GAF materials, permits, and cleanup.
Weather-Tight Installation
We coordinate dry-in, roofing installation, flashing details, ventilation, daily cleanup, required inspections, and site protection.
Warranty and Closeout
We review eligible GAF product and workmanship warranty terms, complete final checks, and provide the project closeout information.
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Google rating 4.6 ★ from 47 public reviews
Roofing Project Reviews
Homeowner feedback from this type of project.
Chandra Williams
a week ago
Roof City did an excellent job on my roof. They were professional, fast, efficient, and clean. They over- delivered on their promise to do a five- star job in two days, which included all materials and permits needed. They deserve a 10 star rating 🌟 ✨ 💫🌟✨💫🌟✨💫☀️🙌🏾😀👍🏾
Abe Mendoza
a month ago
Very Satisfied with Hamilton Exteriors work replacing roof. Good price and flexible payment plans. They took care of the permits and cleanup. Great communication and response times. Highly recommend.
Ernesto Garlitos
a month ago
The team dis an excellent job on our roof. Carlos and his team are punctual, communicative and kept the worksite clean throughout the project. There was a slight delay in the beginning but the whole process felt smooth and stress free. Alex was generous enough to add in extra service worth $759. Highly recommended, honest roofing work.
Laarni yet
a month ago
They offered a reasonable price for my roof replacement, and overall I’m satisfied with the work. The main issue was that it took quite a while to finish because of the permit process. At one point, I was worried that the roofing materials left at the property might be stolen, so I texted them about it. They responded to my message right away, which I appreciated, and luckily nothing was stolen. Overall, the price was fair, they were responsive when I had concerns, and the project was completed.
Google rating: 4.6/5 from 47 public reviews
Read reviews on Google Premium Market
Roofing Costs in St. Helena
$18,000–$40,000
Median home value in St. Helena: $2,500,000
Prices reflect St. Helena's premium market and Napa County labor rates. Actual costs depend on home size, materials, and project complexity. We provide free, itemized estimates with no hidden fees.
Get Your EstimateCompare Roofing Systems for Your Home
Swipe to compare all options.
| Feature | Asphalt Shingles | Metal Roofing | Tile Roofing | Torch-Down | TPO | Integrated Solar |
|---|---|---|---|---|---|---|
| Roof geometry | Sloped roofs | Sloped roofs | Sloped roofs | Low-slope roof sections | Low-slope roof sections | Compatible sloped roof sections |
| Early design review | Deck, ventilation, and flashing | Panel layout and penetrations | Structural load and underlayment | Deck, slope, drainage, and application details | Deck, insulation, attachment, and drainage | Solar access and electrical layout |
| Main coordination point | Roof-system warranty | Panel and finish details | Tile access and replacement | Membrane layers, seams, and flashings | Attachment, welded seams, and edge details | Roofing and electrical scope |
| Visual character | Architectural shingle courses | Clean standing seams | Clay or concrete profiles | Granulated or smooth membrane | Light-colored single-ply membrane | Low-profile energy shingles |
| Dedicated guide | Asphalt shingles | Metal roofing | Tile roofing | Low-slope roofing | Low-slope roofing | GAF solar roofing |
Roofing Financing
Plan Your Roof Project With Approved Credit
Financing may be available for eligible roof replacements and larger roofing projects with approved credit. During your roof consultation, we review the scope and explain current lender programs, terms, and payment timing.
Ask which current options fit your roofing project.
Call Now (650) 977-3351 Frequently Asked Questions
Didn't find the answer to your question? Call Now (650) 977-3351
What areas do you serve?
We serve Northern California across three regions: the San Francisco Bay Area, Greater Sacramento, and the Central Valley. Our published guides cover 14 counties and 88 cities. Our Castro Valley and Sacramento offices support local estimating, permit coordination, and project planning across these regions.
How does billing and financing work?
Financing may be available for eligible projects with approved credit. Available terms depend on lender approval, project scope, and current programs. Your project manager can review the options that apply before work begins. We also accept checks, ACH, and major credit cards.
Are you licensed and insured?
Yes. Hamilton Exteriors holds CSLB License #1078806, active general liability coverage, and the required contractor bond. We also hold GAF Master Elite and James Hardie Elite Preferred credentials. We can provide current proof of coverage before work begins.
Do I need a permit for my exterior project?
Permit requirements depend on the project scope and local jurisdiction. Hamilton Exteriors coordinates required applications, plan documents, corrections, and inspections. Permit fees and allowances appear in the proposal before construction begins.
How much does a roof replacement cost in St. Helena?
A typical roof replacement in St. Helena costs $18,000 to $55,000 for a standard single-family home (Hamilton Exteriors 2024-2026 project data). Asphalt shingles run $21,500 to $22,500 for a 20-square home. Metal roofing costs $28,000 to $36,000. Clay tile runs $30,000 to $50,000. Permit fees add $500 to $1,200. Every Hamilton Exteriors estimate is fully itemized.
Do I need a permit for a roof replacement in St. Helena?
Yes. Napa County and the City of St. Helena both require building permits for roof replacements. Your contractor should pull the permit and schedule all required inspections. We handle the entire permit process for every project.
What roofing materials are required for fire zones in St. Helena?
Homes in CAL FIRE-designated Very High Fire Hazard Severity
How long does a roof replacement take in St. Helena?
Most asphalt shingle roof replacements take 3 to 5 days. Metal and tile roofs take 5 to 7 days. Weather delays are uncommon during dry season (April through October) but can add time in winter. Your project manager provides a specific timeline during your inspection.
Does homeowner's insurance cover roof replacement in St. Helena?
Insurance covers sudden, accidental damage from storms, fallen trees, or fire — not normal wear and tear. After the 2017 and 2020 wildfires, many Napa County homeowners have updated their policies. We document all damage with photos and provide itemized estimates that meet insurer requirements for claims processing.
Your Next Step
Plan Your Project With a Clear Scope
Financing may be available with approved credit for eligible projects.
Tell us about your project. We usually call within 3–5 minutes to schedule the next step.
Project Planning in St. Helena
St. Helena is a small, affluent Napa Valley city with approximately 2,500 housing units. Many homes here feature premium materials and architectural details that reflect the community's high-end character.
St. Helena's Community Development Department reviews all building permit applications. The city has strict design guidelines in its historic downtown area that may influence roofing material and color selection.
21634 Redwood Rd Unit F, Castro Valley, CA 94546
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