CUSTOM WINDOW TREATMENTS FOR NORTHERN CALIFORNIA HOMES & BUSINESSES IN COLUSA, CA

Third-generation window covering specialist with 20+ years of installation experience. Our mobile showroom brings custom shutters, shades, and blinds to your home so you can choose materials in your own space. Serving Northern California from Redding to San Jose.

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Lifetime Shutter Warranty
Mobile Showroom
Elite Dealer Status
Lifetime Shutter Warranty
Mobile Showroom
Elite Dealer Status
Lifetime Shutter Warranty
Mobile Showroom
Elite Dealer Status
Lifetime Shutter Warranty
Mobile Showroom
Elite Dealer Status

A Third-Generation Window Covering Specialist—Built on Precision, Not Sales Tactics

SEI Window Coverings is built on three generations of hands-on experience—from manufacturing to installation. Led by Trevor Smith, whose entire career has been dedicated to the industry, SEI is built on a foundation of hands-on experience from manufacturing to installation. Our approach is simple: the professional who takes your 1/16th-inch measurement is the same expert who completes your installation, eliminating costly mistakes and ensuring your investment is protected. We serve homeowners and commercial clients alike, delivering premium window treatments with a mobile showroom model for unmatched convenience. From intricate tilework and oversized windows to energy-efficient upgrades and smart home automation, SEI brings a full range of solutions directly to your space.

In-Home Window Covering Consultations—We Bring the Showroom to You

See real materials in your home’s lighting. We bring wood, composite, and fabric samples directly to you—so you can make confident decisions without visiting a showroom. Our process is built around your needs: we bring curated material samples to your home or business, assess your lighting and architectural details, and provide on-site expert recommendations. This mobile approach eliminates showroom overhead and ensures your window treatments are chosen and measured in real conditions, not under fluorescent lights. Whether you’re refreshing a single room or managing a multi-unit commercial project, our team delivers precision, professionalism, and a personal touch every step of the way.

Why Homeowners Choose an Owner-Installed Window Covering Specialist

For SEI Window Coverings, every project is personal. With over 20 years of experience, every project is handled start to finish by the same professional. No salespeople. No subcontractors. Just precise measurements, direct pricing, and expert installation.”Today, Trevor Smith leads every technical phase, ensuring that what is designed is always feasible, functional, and beautiful. Our clients value the difference: no sales pressure, no outsourced labor, and no surprises. Instead, you get a partner who takes pride in getting every detail right—from 1/16th-inch measurements to seamless smart home integrations. SEI’s commitment is reflected in our client reviews, our premium dealer status with Graber and Norman, and our comprehensive service across 12 counties. Experience the peace of mind that comes from genuine expertise and lifelong accountability.

The SEI Advantage: Precision, Direct Pricing, and Zero Guesswork

Discover why homeowners and businesses from Redding to San Jose trust SEI for custom window treatments with unmatched precision and service.

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Owner-measured and installed for exact fit.

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See materials in your home with our mobile showroom.

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Direct manufacturer pricing no retail markup.

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Premium Graber and Norman products at direct pricing.

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Lifetime warranty on all shutter installations.

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Licensed, bonded, and insured for your security.

Custom Window Coverings—Measured, Built & Installed for Your Space.

Backed by a third-generation family legacy, we provide comprehensive window solutions tailored to your unique lighting and aesthetic needs. Skip the generic retail experience—we offer premium materials, direct-to-consumer pricing, and flawless, single-point accountability for every project, large or small.

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Custom Shutters

Precision-fit wood and composite shutters, measured to the 1/16th inch for a permanent, high-end finish. Ideal for privacy, energy efficiency, and timeless style. All shutter installations come with a lifetime warranty for total peace of mind.

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Motorized & Solar Shades

Smart-home integrated shades that reduce glare, heat, and energy costs. Perfect for controlling light, privacy, and energy costs. Set scenes and schedules via Alexa, Google Home, or Nest for ultimate convenience.

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Blinds & Window Coverings

Durable wood, faux wood, and vertical blinds installed for everyday performance. Our partnerships with Graber and Norman ensure quality, durability, and a perfect fit for any window type or décor.

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Window Shades

Soft window treatments designed for privacy, insulation, and visual finish. Our mobile showroom process lets you view fabric and design options in your own space for a cohesive, designer finish.

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Commercial Window Solutions

Durable, code-compliant solutions for offices, medical, and high-security spaces. We specialize in oversized and high-value spaces and have a track record of managing complex commercial projects.

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Drapes

Custom drapes and side panels designed to add privacy, comfort, style, and light control. Precision measured and professionally installed for a polished finish.

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Custom Window Treatments

Custom solutions combining shutters, blinds, shades, drapes, and automation. Designed around your space and measured to the 1/16th of an inch.

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Window Installation

Professional window covering installation completed by the same expert who measures and designs your project, eliminating costly miscalculations.

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Energy Solutions

Reduce heat transfer, improve comfort, and increase efficiency with cellular shades, solar shades, and insulating window treatments.

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Projects & Gallery

Browse real SEI installations featuring shutters, blinds, shades, drapes, automation systems, and commercial projects across Northern California.

What Northern California Clients Say About SEI

Clients throughout Sacramento, the Bay Area, and the North Valley consistently praise SEI’s owner-installer model, technical expertise, and stress-free process. Read what sets us apart from big-box retailers and why so many homeowners and businesses recommend our work.

Clear Answers & Insider Transparency.

  • What areas do you serve for window covering installation?

    We provide complete window covering solutions throughout Northern California, including Sacramento, Roseville, Rocklin, Walnut Creek, San Jose, Napa, and surrounding counties. Our mobile showroom brings the full experience to your location.

  • How does the mobile showroom process work?

    We bring samples of shutters, shades, and blinds directly to your home or business. You see materials in your actual lighting and décor, enabling the best design choices before we measure and order your custom treatments.

  • What is the typical lead time from consultation to installation?

    Lead times depend on the selected product and manufacturer, but most projects are completed within a few weeks from your initial consultation. We provide accurate timelines during your design visit.

  • Do you repair blinds or window coverings not purchased from SEI?

    We prioritize replacements and warranty service for SEI-installed products. For third-party repairs, we recommend upgrading to our warrantied solutions for lasting results and peace of mind.

  • What warranties do you offer on your installations?

    All shutter installations include a lifetime warranty. Other products such as blinds and shades are covered by robust manufacturer warranties from Graber or Norman. We’re happy to discuss warranty specifics during your consultation.

  • Can you help with high or difficult-to-access windows?

    Yes, our team has extensive experience with tall, oversized, or uncommonly shaped windows, including those in commercial and high-security environments. We handle every aspect safely and professionally.

  • Are your products eligible for energy efficiency tax credits?

    Many of our cellular shade and shutter solutions qualify for federal energy efficiency tax credits, similar to solar incentives. We’ll help you choose options that maximize your savings and comfort.

  • Can your window coverings be integrated with smart home systems?

    Absolutely! We install power shades and motorized solutions that connect to Alexa, Google Home, and Nest, enabling automated scenes and schedules for modern living.

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