Roofing Architectural Shingle Roof Replacement
Location
Antioch
Products
GAF Architectural Shingles
Completed
Jun 25, 2026
Now Booking Summer 2026 — Schedule Your Consultation
CSLB #1078806 · Architect & General Contractor · Building Northern California homes since 2018
We'll contact you in 3-5 minutes to schedule a FREE window inspection.
Your information is private and secure
Hamilton Exteriors provides professional windows services in Lafayette, California. Licensed under CSLB #1078806, we handle all Lafayette building permits and inspections. Call (650) 977-3351 for an estimate.
Large picture windows on mid-century ranch homes — expensive to replace. Premium market supports Marvin and Andersen. Low-SHGC critical given inland heat.
Lafayette's climate — sheltered inland valley with summer highs 88-98°F, Diablo winds funnel through Reliez Valley gap with gusts to 60 mph — directly impacts windows performance and material selection. The most common issues we address in Lafayette include aging 1950s-60s roofing stock on second or third replacement cycle and original wood shake needing fire-safe conversion on hillside homes. Hamilton Exteriors selects materials proven for Lafayette's Title 24 Climate Zone 12 conditions and backs every installation with our 50-year warranty.
Lafayette's housing stock spans 5% pre-1940, 15% 1940-1959, 40% 1960-1979. Architectural styles range from 1950s-60s California ranch and split-levels on quarter- to half-acre lots in Burton Valley to 1930s-40s cottages near downtown. Each era and style presents different windows requirements — from material compatibility to structural considerations. Our crews know what to expect before they arrive on site.
Lafayette sits in a valley that traps summer heat (high 90s) while its hillside properties face significant wildfire risk as part of the Lamorinda fire zone. Energy-efficient windows with Low-E coatings and proper SHGC ratings are essential for maintaining comfortable indoor temperatures and managing cooling costs in Lafayette.
Lafayette features large-lot homes from the 1950s-70s alongside custom hillside estates, with median home values exceeding $2 million in this affluent Lamorinda community. Many of these homes retain original single-pane aluminum windows that are inefficient and drafty. Modern dual-pane replacements typically reduce energy costs by 15-25%.
The City of Lafayette Building Department handles permits with care for hillside development regulations and fire-safe construction requirements, typically in 4-6 weeks. Hamilton Exteriors (CSLB #1078806) ensures all Lafayette window installations meet California Title 24 energy standards and processes permits through the local building department.
Factory-certified by our manufacturer partners
Real reviews from verified Northern California homeowners.
deborah maxey
in the last week
Great job and very professional the 1st photo is before and the other 2 is upon completion of work.
Eric W.
via Yelp
Hamilton Exteriors did an amazing job on my roof. The team was professional, and the quality of work was top-notch. Highly recommend!
Robert H.
via Angi
From the very first consultation, we knew we'd made the right choice. The team was knowledgeable and genuinely listened to our concerns about energy efficiency and design. We've already noticed a drop in our energy bills.
Laura G.
via Nextdoor
Hamilton Exteriors repaired extensive dry rot damage on our home's exterior. Their attention to detail and commitment to quality were evident throughout the project. Our home looks better than ever.
Most Northern California exterior projects range from $15,000 for a standard roof replacement to $600,000 for a custom ADU — and paying out of pocket isn't the only option. Hamilton Exteriors partners with multiple lending providers to offer $0-down financing with approved credit, 12-month same-as-cash plans, and extended terms up to 15 years for larger projects. You only pay for completed, inspected work — we never ask for full payment before the job is done. Whether you're replacing a roof, upgrading siding, or building an ADU, your project manager will walk you through every payment option during your free estimate so you can choose what fits your budget.
Ask about same-as-cash plans during your estimate.
$800–$1,500+ per window
Median home value in Lafayette: $1,900,000
Prices reflect Lafayette's premium market and Contra Costa County labor rates. Actual costs depend on home size, materials, and project complexity. We provide free, itemized estimates with no hidden fees.
Get Your EstimateRated 4.8 stars by Northern California homeowners across BBB, Trustpilot, Google, and Yelp

A single-hung window features a fixed upper sash and a movable lower sash that slides vertically. It's space-efficient, easy to use, and offers great ventilation with a classic, versatile design.

A single slider window has one fixed pane and one sliding pane for easy horizontal operation. It's space-efficient, versatile, and offers excellent ventilation with a modern look.

A sliding glass door features large glass panels that glide smoothly on tracks, offering easy access, natural light, and a sleek, space-saving design.

A picture window is a large, fixed-pane window that provides expansive views and abundant natural light. Its clean, modern design enhances any space while improving energy efficiency.

A double-hung window has two movable sashes that slide vertically, offering versatile ventilation and easy cleaning. Its classic design fits a variety of architectural styles.

A casement window features a single sash that opens outward on side hinges, operated by a crank mechanism. It provides excellent ventilation, unobstructed views, and a tight seal for superior energy efficiency.
Downtown Lafayette homeowners frequently choose Hamilton Exteriors for windows. Large picture windows on mid-century ranch homes — expensive to replace. With Lafayette's Summer average 90°F with 5-10 days above 100°F, material selection in Downtown Lafayette requires local expertise.
In The Trails, homes are predominantly 1930s-40s cottages near downtown. Premium market supports Marvin and Andersen. Our crews are familiar with The Trails's architectural character and building requirements.
From Reliez Valley to Downtown Lafayette, Lafayette homeowners trust Hamilton Exteriors for windows that stands up to sheltered inland valley with summer highs 88-98°F. We handle permits, engineering, and installation — you get a single point of contact.
Many Happy Valley homes in Lafayette still have single-pane aluminum windows from original construction. Dual-pane vinyl or fiberglass replacements reduce energy costs and improve comfort immediately.
Burton Valley properties near busy corridors benefit significantly from noise-reducing dual or triple-pane windows. The improvement in indoor quiet is one of the most-appreciated upgrades.
Window replacement in Trails often reveals issues with framing or flashing that need correction. We address these during installation to prevent future water intrusion.
Every estimate is itemized line by line — materials, labor, permits, cleanup. You see exactly where your money goes before we start.
Every crew member is manufacturer-certified and vetted — licensed, bonded, insured, and background-checked before they touch your home.
50-year manufacturer warranty backed by our own workmanship guarantee for the full duration. If anything fails, we fix it — free.
One dedicated point of contact from first call to final walkthrough. You’ll always know who to reach.
Roofing Location
Antioch
Products
GAF Architectural Shingles
Completed
Jun 25, 2026
Location
Fremont
Products
GAF Architectural Shingles
Completed
Jun 10, 2026
Roofing Location
Hayward
Products
GAF Architectural Shingles
Completed
Jun 5, 2026
Roofing Location
Walnut Creek
Products
GAF Architectural Shingles
Completed
Jun 2, 2026
Siding Location
Pleasanton
Products
James Hardie
Completed
May 28, 2026
Roofing Location
Oakland
Products
GAF Architectural Shingles
Completed
May 15, 2026
Roofing Location
Berkeley
Products
GAF Architectural Shingles
Completed
Apr 10, 2026
Didn't find the answer to your question? Call Now (650) 977-3351
We serve Northern California across three regions: the San Francisco Bay Area (six counties from Alameda to Santa Clara), Greater Sacramento (Sacramento out to Roseville, Folsom, and Davis), and the Central Valley (Stockton to Modesto). Our crews are based in Castro Valley. We handle permits and know the building codes for each jurisdiction, which matters because requirements and fees vary significantly between cities.
We offer $0-down financing with approved credit, 12-month same-as-cash plans, and extended terms up to 15 years for larger projects. You only pay for completed, inspected work — we never ask for full payment before the job is done. Your project manager will walk you through every option during your estimate appointment. We also accept checks, ACH, and all major credit cards.
Yes. CSLB License #1078806 — verify it anytime at cslb.ca.gov. We carry $2M general liability, full workers’ comp, and are bonded per California law. We hold GAF Master Elite, Owens Corning Preferred, CertainTeed ShingleMaster, and James Hardie Elite Preferred certifications — each requires annual training and quality audits to maintain. We’re happy to provide proof of insurance before any work begins.
Most exterior projects in Northern California require a building permit. Fees vary by city — Oakland runs $200–$600, Peninsula cities often more. We handle the entire permit process: application, plan submission, and scheduling inspections. Permit fees appear as a separate line item in your estimate so you’ll see every cost upfront. For homes in WUI fire zones (Berkeley Hills, Oakland Hills, parts of Marin), we ensure full compliance with local fire-rated material requirements.
Replacement windows in Lafayette typically cost $500-$1,200 per window installed, depending on size, style, and energy rating. Whole-home projects of 10-15 windows range from $8,000 to $20,000.
Lafayette homeowners typically see 15-25% reduction in heating and cooling costs with dual-pane Low-E windows. This is especially impactful given the area's hot summers.
We offer casement, double-hung, sliding, bay, and picture windows to match Lafayette's diverse architecture. Our design team helps select styles that complement your home's character.
California Title 24 energy standards require specific U-factor and SHGC ratings for replacement windows in Lafayette. All windows we install meet or exceed current Title 24 requirements.
Most window replacement projects in Lafayette take 1-3 days for installation, with 4-6 weeks lead time for custom orders. We install with minimal disruption to your daily routine.
Permits are required in Lafayette when changing window size or type, or for energy compliance verification. We handle all permitting as part of our installation service.
Dual-pane and triple-pane windows significantly reduce exterior noise in Lafayette. Homeowners near busy roads or commercial areas notice an immediate improvement in indoor quiet.
Lafayette homeowners may qualify for federal energy tax credits up to $600 per year and local utility rebates for Energy Star-rated windows. We help identify all available incentives.
Low-E coatings reflect infrared heat while allowing visible light through. Given Lafayette's hot summers, Low-E glass is essential for keeping your home cool and reducing AC costs.
We install Milgard, Andersen, and Marvin windows in Lafayette. Each offers distinct advantages in energy efficiency, style options, and warranty coverage for California climates.
Call now — we pick up in minutes. Or fill out the form above and we'll call you.
21634 Redwood Rd Unit F, Castro Valley, CA 94546
Serving Oakland, Berkeley, Fremont, San Jose, Palo Alto, Walnut Creek, San Rafael, Napa, Redwood City & more across Alameda, Contra Costa, Marin, Napa, San Mateo & Santa Clara counties. All 47 cities →
Also serving Lafayette
Windows in nearby cities