Roof Replacement & New Installation in the Bay Area

Your roof protects everything inside your home. When it reaches the end of its lifespan, or when damage is beyond repair, replacement becomes the smartest investment you can make. Pacific Coast Roofing Service has installed new roofs throughout Contra Costa, Alameda, and Solano counties since 1996. We work 12 months a year, including the rainy season when many homeowners assume replacement isn’t possible.

Most roofing companies slow down in winter. We don’t. The Bay Area’s Mediterranean climate means dry summers and wet winters, but modern installation methods and proper planning let us replace roofs year-round. You get your new roof when you need it, not when the weather cooperates.

When Replacement Makes More Sense Than Repair

Not every roof problem needs a full replacement. But certain situations make replacement the only practical choice:

Your roof is 20+ years old. Asphalt shingle roofs typically last 20 to 30 years in the Bay Area. Once you’re past 20 years, repairs become temporary fixes. You’re patching a system that’s fundamentally worn out.

Multiple areas show damage. If leaks appear in several locations, or if large sections of shingles are curling, cracking, or missing, repair costs add up fast. Replacing the entire roof costs less than years of ongoing fixes.

Energy bills keep climbing. An aging roof loses its ability to regulate temperature. Your HVAC system works harder to maintain comfort, and you pay more every month. A new roof with proper ventilation brings your energy costs back down.

You’re selling your home. Buyers and inspectors notice roof condition immediately. A new roof adds resale value and removes a major negotiation point. You recover much of the replacement cost in your sale price.

Roof with composition shingles

What a Professional Roof Replacement Includes

A complete roof replacement involves more than pulling off old shingles and nailing down new ones. Here’s what happens during a professionally managed installation:

Complete tear-off.

We remove all existing roofing materials to expose the roof deck. This lets us inspect for wood damage, rot, or structural issues that weren’t visible from above.

Deck repair or replacement. 

If we find damaged decking, we replace those sections before installation begins. Your new roof needs a solid foundation.

High-performance underlayment.

We install weatherproof underlayment across the entire deck. This creates a waterproof barrier that protects your home even if shingles are damaged later.

Drip edge and flashing.

Properly installed flashing around chimneys, vents, skylights, and roof edges prevents water intrusion. Most roof leaks happen at these transition points, not in the field of shingles.

Premium shingle installation

We install GAF or CertainTeed shingles following manufacturer specifications. Proper nailing patterns, starter strips, and ridge cap installation determine how long your roof lasts.

Ventilation assessment.

Adequate attic ventilation extends shingle life and prevents ice damming. We evaluate your current system and add ridge vents or other ventilation as needed.

Complete cleanup. 

Roof replacement creates debris. We protect your landscaping during the project and use magnetic sweepers to collect nails from your yard and driveway.

GAF and CertainTeed: The Shingles We Install

We install two brands of asphalt shingles: GAF and CertainTeed. Both manufacturers have earned reputations for quality and durability in the roofing industry.

GAF: As GAF Certified Applicators, we meet strict training and installation standards. This certification means GAF backs our work, and you get access to their best warranty options. GAF’s Timberline HDZ shingles resist algae growth and hold up well in the Bay Area’s varied microclimates.

CertainTeed: CertainTeed’s Landmark series offers excellent wind resistance and color retention. Their shingles perform consistently across the temperature swings we see between coastal areas and inland valleys.

Both brands offer architectural shingles that add dimension and curb appeal compared to basic three-tab designs. Color choices range from neutral grays and browns to bolder blues and greens. We help you select a style that complements your home’s architecture and your neighborhood’s character.

shingle roof warranty coverage and lifespan

Why Winter Roof Replacement Works in the Bay Area

Most homeowners assume roof replacement happens in summer. But the Bay Area’s dry summers and wet winters create a different dynamic.

Modern materials handle moisture. Today’s underlayments and installation techniques protect your home even if rain arrives during the project. We monitor weather forecasts and work in sections so your home never sits exposed overnight.

Scheduling is easier. Many roofing companies book months out in summer. In winter, you get faster scheduling and completion. When your roof is leaking now, waiting four months for a summer slot doesn’t help.

Shingles seal properly. Asphalt shingles need sunlight and warmth to seal. The Bay Area’s winter days still provide enough heat for proper sealing, especially compared to truly cold climates where winter installation isn’t feasible.

Less disruption. Cooler weather is more comfortable for both crews and homeowners. You’re not dealing with construction noise during the hottest months when you want windows open.

We’ve replaced roofs every month of the year since 1996. The rainy season doesn’t stop us. If your roof is failing now, we’ll replace it now.

The Installation Timeline

Most residential roof replacements take one to three days from tear-off to completion. Here’s what affects that timeline:

Roof size and complexity. A simple gable roof on a 1,500-square-foot home goes faster than a 3,000-square-foot home with multiple valleys, dormers, and chimneys.

Access. If we can park our truck and dumpster close to your home, material handling speeds up. Steep slopes or multi-story homes take longer.

Wood replacement. We won’t know if decking needs replacement until we remove the old roof. Extensive rot adds time to the project.

Weather. We work in light rain with proper precautions. Heavy storms mean we pause until conditions improve.

We’ll give you a realistic timeline during your estimate. Once we start, we work straight through to completion. You won’t have a half-finished roof sitting for days.

image of roofing contractor installing composition roof shingles

Cost Factors in Bay Area Roof Replacement

Roof replacement costs vary based on several factors specific to your home and location:

Square footage. Roofing is typically priced per square (100 square feet). A 2,000-square-foot home usually has 2,200 to 2,400 square feet of roof once you account for pitch and overhangs.

Roof pitch. Steep roofs require additional safety equipment and take longer to install. This increases labor costs.

Material choice. Basic three-tab shingles cost less than architectural shingles. Premium lines with enhanced warranties cost more.

Complexity. Multiple valleys, skylights, chimneys, and roof penetrations add labor time and materials.

Disposal fees. Bay Area landfills charge for roofing debris disposal. These fees are higher than in many other regions.

Permits. Most Bay Area cities require permits for roof replacement. Permit costs vary by jurisdiction.

We provide detailed written estimates that break down these costs. You’ll know exactly what you’re paying for before work begins.

Working with a GAF Certified Applicator

Our GAF certification means we’ve met specific training and business requirements. Here’s what that means for you:

Factory-backed training. Our installation crews are trained on current GAF products and proper installation techniques. We follow manufacturer specifications, not shortcuts.

Better warranties. GAF offers enhanced warranty options through certified contractors that aren’t available through non-certified installers. This includes coverage for both materials and workmanship.

Proven business practices. To maintain certification, we demonstrate financial stability, proper licensing, and customer satisfaction. GAF verifies this annually.

Ongoing education. Roofing products and techniques evolve. Our certification requires continuing education on new products and installation methods.

Not all roofing contractors are certified. Working with a certified applicator protects your investment with manufacturer backing.

common roofing repairs your home may need asap

What to Expect During Your Roof Replacement

We’ve replaced thousands of roofs since 1996. Here’s what happens when you work with us:

Free inspection and estimate. We’ll examine your roof, identify any underlying issues, and provide a detailed written estimate with no obligation.

Scheduling that fits your timeline. Once you approve the estimate, we schedule your installation. We work year-round, so you’re not waiting months for an opening.

Site protection. We protect your landscaping, driveway, and home exterior before work begins. Tarps and plywood protect vulnerable areas.

Daily cleanup. At the end of each work day, we clean up debris and secure the work site. Your yard won’t be a hazard zone.

Final walkthrough. After installation, we walk the property with you to verify the work meets your expectations. We answer questions and explain your new roof’s maintenance requirements.

Warranty documentation. You receive manufacturer warranty information and our workmanship warranty in writing.

Our goal is a new roof that protects your home for decades, installed with minimal disruption to your daily life.

Frequently Asked Questions

How long will my new roof last?

Most asphalt shingle roofs last 20 to 30 years in the Bay Area. Lifespan depends on shingle quality, installation quality, ventilation, and maintenance. Premium architectural shingles with proper ventilation typically reach the upper end of that range. We install roofs that last, not roofs that barely meet minimum standards.

Can you really replace a roof during the rainy season?

Yes. We’ve done it for 28 years. Modern underlayments create waterproof barriers, and we work in sections so your home is never left exposed overnight. We monitor forecasts and adjust our schedule for heavy storms, but light rain doesn’t stop installation. The Bay Area’s winter weather is workable with proper planning and materials.

Do I need a permit for roof replacement?

Most Bay Area cities require permits for complete roof replacement. We handle the permit application process as part of our service. Permit requirements vary by jurisdiction, so we’ll confirm what’s needed for your specific location during the estimate.

What if you find rotted wood during tear-off?

We inspect the roof deck after removing old materials. If we find damaged or rotted decking, we’ll show you the issue and provide a cost to replace those sections. We won’t install a new roof over damaged wood. The additional cost depends on how much decking needs replacement.

Should I replace my gutters at the same time?

If your gutters are old or damaged, replacing them during roof installation makes sense. We’re already set up with equipment and scaffolding, so it’s more efficient than two separate projects. We install and replace gutters as part of our service. We’ll assess your gutter condition during the roof inspection.

How do I choose between GAF and CertainTeed shingles?

Both brands offer excellent performance in the Bay Area. We’ll show you samples, explain warranty differences, and help you choose based on your priorities (appearance, warranty coverage, budget). There’s no wrong choice between these two manufacturers. We install whichever brand best fits your needs.

Will my homeowner's insurance cover roof replacement?

Insurance typically covers roof replacement if damage resulted from a covered event like wind or hail. Normal wear and tear from age usually isn’t covered. We can work with your insurance adjuster if you’re filing a claim, but most replacements due to age are out-of-pocket expenses. Your insurance agent can clarify your specific coverage.

Get a Free Roof Replacement Estimate

Pacific Coast Roofing Service has served the Greater Bay Area since 1996. We’re licensed (CA License #1002352), insured, and maintain an A+ BBB rating. Most of our business comes from referrals because we do the job right the first time.

If your roof is nearing the end of its life, or if you’ve noticed signs of failure, contact us for a free inspection and estimate. We serve homeowners throughout Contra Costa, Alameda, and Solano counties.

Call (510) 912-5454 or contact us through our website. We’ll schedule a convenient time to assess your roof and provide a detailed written estimate with no pressure and no obligation.

Your home deserves a roof that lasts. Let’s build one together.