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Hamilton Exteriors — Northern California roofing, siding, and exterior remodeling

4.8-star rated by 39 verified Northern California homeowners

CSLB #1078806 · Architect & General Contractor · Building Northern California homes since 2018

Window Contractor in Yountville

Serving Yountville & Napa County

Licensed & Insured

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Hamilton Exteriors provides professional windows services in Yountville, California. Yountville is one of the smallest cities in California with approximately 1,500 housing units. The charming town is known for its well-maintained properties and premium home values in the heart of Napa Valley wine country. Licensed under CSLB #1078806, we handle all Yountville building permits and inspections. Call (650) 977-3351 for an estimate.

Yountville's small size means building permit applications receive personalized attention. The town has design review requirements for properties visible from main thoroughfares. For Yountville windows specifically, our work across Downtown, Vineyard Knolls and Yountville Hills comes down to U-factor, SHGC, and STC selection plus the flashing detail that prevents the leak the next storm finds — the kind of decisions an architect-led design-build team is set up to call.

Yountville homeowners looking for a window replacement contractor need someone who understands the unique demands of Napa Valley living. Hot dry summers, mild wet winters, and the wine-country aesthetic that defines the town all affect which windows perform best and how they should be installed. Hamilton Exteriors brings architect-led design-build expertise to every Yountville window project, with factory-certified installation and a 50-year warranty.

We serve Yountville from our Castro Valley base, and our crews are familiar with Napa County building codes, permit processes, and the specific challenges of working in this part of the Bay Area. Whether you are upgrading drafty single-pane windows in a mid-century home or replacing failing units in a newer construction, we provide fully itemized estimates and a dedicated project manager from first call to final walkthrough.

Why Yountville Homes Need a Specialized Window Contractor

Yountville sits in the heart of Napa Valley, and its homes face conditions that generic window installers from outside the region often overlook.

Fire risk. Most of Napa County is designated Very High Fire Hazard Severity Zone (FHSZ) by CAL FIRE, following the 2017 Tubbs Fire and 2020 Glass Fire. Homes in these zones must comply with California Building Code Chapter 7A, which requires ignition-resistant materials and specific installation methods for windows and vents. Your window contractor should know these requirements and install accordingly.

Climate. Yountville summers regularly exceed 90 degrees, with dry heat that tests window seals and frame materials. Winters bring fog and rain that can seep through poorly flashed openings. Windows that work well in coastal fog belts may not perform the same way in Napa Valley's inland heat. ENERGY STAR certified windows with appropriate U-factors and Solar Heat Gain Coefficients make a measurable difference in comfort and energy bills.

Seismic risk. The West Napa Fault runs through the region, and the 2014 South Napa earthquake (magnitude 6.0) caused significant damage to unreinforced structures. Proper window installation includes adequate structural connections that can withstand seismic movement. This is not something every contractor considers.

Aesthetic standards. Yountville is a wine-country destination with design review standards that matter. Window styles, frame colors, and proportions should complement the home's architecture and the town's character. An architect-led contractor brings the design sensibility to get this right.

Our Window Services in Yountville

Hamilton Exteriors provides full-service window replacement and installation for Yountville homes. We handle everything from single-window replacement to whole-house upgrades.

Window Replacement

We remove old, failing windows and install new energy-efficient units with modern Low-E glass, improved seals, and proper insulation. Our installation process includes complete removal of the old frame, new flashing and weatherproofing, and interior and exterior trim. Every window is tested for proper operation and airtight seal before we move on.

Window Installation for New Construction

For new homes, additions, and ADUs, we install windows as part of the building envelope. We coordinate with your general contractor or handle the full scope if we are the prime. Our architect's eye ensures windows are positioned for optimal natural light, ventilation, and views.

Custom Window Sizing

Yountville homes often have non-standard window openings, especially in older or custom-built properties. We work with manufacturers to produce windows in custom sizes that fit your openings exactly, avoiding the gaps and shimming that compromise performance and appearance.

Energy-Efficient Upgrades

We install ENERGY STAR certified windows that meet or exceed California Title 24 energy requirements. Low-E coatings, argon gas fills, and warm-edge spacers reduce heat transfer and improve comfort. Many of our window lines achieve U-factors as low as 0.25, exceeding code by 15 to 20 percent.

Window Styles We Install in Yountville

The right window style depends on your home's architecture, your ventilation needs, and your budget. Here are the options we install most often in Napa Valley homes.

Casement Windows

Casement windows are hinged on one side and open outward with a crank. They provide the best airflow of any operable window style, capturing 50 to 90 percent more ventilation than sliders according to the American Architectural Manufacturers Association (AAMA). They also seal tighter than any other operable window, with compression seals on all four sides. Casements are an excellent choice for Yountville homes that rely on natural cooling during summer months.

Double-Hung Windows

Double-hung windows have two operable sashes that slide vertically. They are the most versatile and popular window style, fitting Craftsman, Victorian, and traditional homes throughout the Bay Area. Both sashes tilt inward for easy cleaning from inside the home. Double-hung windows work well in bedrooms, living rooms, and anywhere you want ventilation control.

Single-Hung Windows

Single-hung windows have a fixed top sash and an operable bottom sash. They cost slightly less than double-hung windows while providing similar performance. Single-hung windows are a practical choice for budget-conscious homeowners who do not need the top sash to open.

Picture Windows

Picture windows are large fixed panes that do not open. They provide the best energy efficiency of any window type because there are no moving parts or seals to fail. Picture windows are ideal for rooms with views where ventilation is not needed, and they maximize natural light. In Yountville, picture windows are a popular choice for living rooms and great rooms that face the vineyards.

Sliding Windows

Sliding windows (also called sliders) open horizontally along a track. They require no exterior clearance, making them a good choice above kitchen sinks, along walkways, and in mid-century modern homes. Sliding windows are common in Eichler-style homes and contemporary designs.

Sliding Glass Doors

Sliding glass doors connect indoor and outdoor living spaces. We install multi-pane sliders from Milgard, Andersen, and Marvin in configurations up to 16 feet wide. Low-E glass and insulated frames keep energy performance high while providing unobstructed views of your property.

How Much Do New Windows Cost in Yountville?

Window Style	Installed Price (per window)	Material Cost (included)
Single Hung	~$850	$325
Double Hung	~$950	$375
Casement	~$1,050	$425
Picture Window	~$950	$375
Single Slider	~$800	$300
Sliding Glass Door	~$3,800	$1,800
French Door (pair)	~$4,200	$2,000

Prices include removal of the existing window, new flashing, materials, labor, trim, and cleanup. Energy-efficient Low-E glass is standard on all windows. Actual pricing varies based on window size, frame material (vinyl, fiberglass, wood), glass options (triple-pane, impact-resistant), and installation complexity. Contact us for an itemized estimate specific to your Yountville home.

A typical Yountville home with 15 to 20 windows costs $12,000 to $25,000 for a full replacement (Hamilton Exteriors 2024-2026 project data). Every Hamilton Exteriors estimate is itemized line by line, so you see exactly where your money goes.

Why Choose Hamilton Exteriors for Your Yountville Window Project?

Architect-Led Design-Build

Unlike most window contractors, Hamilton Exteriors is led by a licensed architect and general contractor. Alex Hamilton Li oversees every project from initial inspection through final walkthrough. His background in architecture means he evaluates windows as part of the whole building system, considering ventilation, energy performance, structural connections, and aesthetics together. You get design expertise that most contractors cannot offer.

Factory-Certified Installation

Every crew member is manufacturer-certified by our partner brands, including Milgard, Andersen, Marvin, and Anlin. Factory certification requires annual training and quality audits. Our installers are licensed, bonded, insured, and background-checked before they touch your home.

50-Year Warranty

We offer a 50-year manufacturer warranty on materials backed by our own workmanship guarantee for the full duration. If anything fails, we fix it at no cost to you. This is the strongest warranty available in the residential window industry.

Transparent Pricing

Every estimate is itemized line by line. You see the cost of each window unit, trim, flashing, labor, permit fees, and cleanup listed separately. every line itemized, every cost itemized.

Dedicated Project Manager

You get one point of contact from first call to final walkthrough. Your project manager handles scheduling, permits, inspections, and communication. You always know who to reach.

Yountville Building Permits for Window Replacement

Most window replacement projects in Yountville require a building permit from Napa County. Permit fees vary based on the scope of work. Hamilton Exteriors handles the entire permit process, including application, plan submission, and scheduling inspections. Permit fees appear as a separate line item in your estimate so you see every cost upfront.

For homes in Very High Fire Hazard Severity Zones, we ensure full compliance with Chapter 7A requirements for ignition-resistant materials and installation methods. This includes proper window glazing, frame materials, and venting specifications.

Get Your Free Quote for Yountville Window Replacement

Ready to upgrade your Yountville home with energy-efficient windows? We provide complimentary on-site consultations, fully itemized estimates, and a dedicated project manager for every project.

Call us at (650) 977-3351 or Get Your Free Quote online. We serve Yountville and all of Napa County.

Window replacement services — full overview of our window offerings
Window replacement cost guide for the Bay Area — detailed pricing breakdown
Napa County service area — all cities we serve in Napa County
Yountville service area — other exterior services in Yountville
Window replacement in Napa — window services for Napa homeowners

Local Expertise

Windows in Yountville: What Local Homeowners Need to Know

Yountville homes command premium values, and windows play a central role in both energy performance and aesthetics. High-end brands like Marvin, Andersen, and Pella offer custom configurations that suit Yountville's architectural diversity, from cottage-style double-hung windows to contemporary floor-to-ceiling glass. Hamilton Exteriors installs all major brands.

With the town's orientation as a walkable destination village, many Yountville homes are close to Washington Street's restaurants and tasting rooms. Quality dual-pane windows with laminated glass reduce noise from foot and vehicle traffic while maintaining the indoor-outdoor connection that defines Napa Valley living.

Many Yountville homeowners are renovating mid-century homes into modern showpieces, and window replacement is often the most impactful upgrade. New windows transform both the interior experience and curb appeal. Hamilton Exteriors coordinates window replacement with other renovation elements, ensuring consistent design quality across your entire project.

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Factory-certified by our manufacturer partners

Rated 4.8 ★ from 39 Verified Northern California Homeowners

What Homeowners Say About Our Work

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.

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Financing Options

Financing Options Available For Everyone

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.

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Premium Market

Windows Costs in Yountville

$800–$1,500+ per window

Median home value in Yountville: $1,800,000

Prices reflect Yountville'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.

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Rated 4.8 stars by Northern California homeowners across BBB, Trustpilot, Google, and Yelp

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What Window Styles Are Available?

Single Hung

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.

Single Slider

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.

Sliding Glass Doors

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

Picture Windows

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.

Double Hung

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.