SiA Builds — Custom Deck Construction
Licensed, Bonded, Insured
Permits and Inspections, Warranty
What we do
Our Services
Create the perfect space for your home in Seattle area.
At SiA Builds, we put aesthetics and functionality first. That's why we work with leading industry professionals to offer our clients unique solutions that combine beauty and sustainability. From creating exquisite decks to comprehensive landscape maintenance, our services help transform your lot into a harmonious and cozy space.
The true experts
SiA Builds: Where Quality Speaks for Itself
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Experience and expertise
Our company has over 15 years of experience in the Seattle area and surrounding regions. We are proud of our reputation for reliability, professionalism, and high ethical standards. Every project is completed with attention to detail and full commitment to quality.
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Customized solutions
Your lot is a reflection of your dreams. SiA Decks and Landscape will bring your ideas to life, creating a unique and functional space. Unique or standard designs for your comfort.
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A team that is always there for you
We value customer relationships and are always available to answer your questions. We respond quickly and efficiently to all of our client's requests.
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Sustainability is our priority
Sustainable design helps you create a beautiful space that saves you resources - money, time, and energy. We use environmentally friendly methods and materials to minimize the impact on nature and increase the comfort of your life.
Our Process
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Free On-Site Consultation
We visit your property to inspect your deck or outdoor area. Whether you’re planning to build a brand-new deck or restore an old one — we’ll discuss your goals and give you a cost estimate. - 2
Custom Design Plan (If Needed)
Need a new deck? Our team creates a custom layout that fits your home and lifestyle. Already have a design in mind? Skip to step 3! - 3
Materials & Final Approval
We help you choose the right materials (wood or composite), colors, and finishes. Once everything is approved, we schedule the job. - 4
Professional Build or Repair
Whether we’re building from scratch or restoring your existing deck, our experienced crew gets to work — efficiently and with attention to detail. - 5
Final Walkthrough & Satisfaction Check
We walk you through the finished result to make sure everything meets your expectations — so you can enjoy your new outdoor space right away.
What our clients say?
Only real reviews of real clients
What You Get With SIA
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Licensed Contractor
We are fully licensed to perform construction work in the state of Washington.
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Insured Company
Your property is protected — we carry full liability insurance for every project.
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10-Year Warranty
We stand behind our work. All deck projects come with a 10-year workmanship warranty.
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Free On-Site Estimate
We offer no-obligation, on-site consultations and estimates — completely free of charge.
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Clear Written Contracts
Every job is backed by a detailed written agreement for transparency and trust.
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Turnkey project
You get a completely turnkey project with no hidden extra costs.
FAQ
How do I know if my deck needs repair or full replacement?
Many homeowners assume that an old deck always needs a full replacement, but that is not always the case. If the framing is still structurally sound, repairs, resurfacing, or board replacement can often extend the life of the deck significantly. However, if there is visible rot, structural movement, or safety concerns, a rebuild may be the safer and more cost-effective long-term solution. A professional inspection is the best way to determine the real condition of your deck.Why do decks in the Seattle area deteriorate faster?
The Seattle and surrounding areas have a very wet climate with frequent rain, moisture, and shade, which accelerates wear on outdoor structures. Constant exposure to moisture can lead to rot, mold, algae growth, and surface damage, especially on wood decks. Without proper sealing, maintenance, and drainage, decks in the Pacific Northwest tend to age faster than in drier climates.Is composite decking a good choice for homes in Washington?
Composite decking is often a great long-term option for homes in the Seattle area because it handles moisture and temperature changes better than traditional wood. It is more resistant to rot, warping, and mold, which are common issues in rainy environments. While the initial investment is higher, many homeowners prefer composite due to lower maintenance and a longer lifespan.How often should a deck be cleaned and maintained in this climate?
In the Pacific Northwest, regular maintenance is essential due to constant moisture and organic buildup. Most decks should be professionally cleaned and inspected at least once a year to prevent moss, algae, and surface deterioration. Routine maintenance not only improves appearance but also helps extend the lifespan and safety of the structure.Do I need a permit to build or rebuild a deck in the Seattle area?
In most cases, permits are required for new deck construction, structural rebuilds, or major modifications, especially in cities like Seattle, Bellevue, and Kirkland. Requirements may vary depending on deck size, height, and attachment to the home. It is always recommended to verify local permit regulations before starting any construction project.Why does my deck become slippery and dark so quickly?
This is a very common issue in the Seattle climate due to moisture, shade, and organic growth such as moss and algae. Even newer decks can develop buildup if they are not regularly cleaned and maintained. Proper cleaning, sealing, and maintenance help keep the surface safer and preserve the overall appearance of the deck.How long does a residential deck typically last in Washington?
The lifespan of a deck depends on materials, construction quality, and maintenance. In Washington’s wet climate, a well-built and properly maintained deck can last 20 to 30 years or more. However, decks that are not maintained or exposed to constant moisture without protection may deteriorate much faster.Can an existing deck be upgraded instead of fully replaced?
Yes, in many cases, an existing deck can be upgraded by replacing surface boards, railings, or switching to composite materials while keeping the original framing if it is still structurally sound. This approach can be more cost-effective than a full rebuild and still significantly improve the appearance and durability of the deck.What are the most common safety issues with older decks?
Some of the most common safety concerns include loose railings, weakened framing, rusted fasteners, and hidden rot. These issues are not always visible at first but can pose serious risks if left unaddressed. A professional inspection can identify structural weaknesses and help prevent costly or dangerous failures.What is the best time of year to repair or build a deck in Seattle and nearby cities?
Late spring through early fall is generally the most suitable time for deck construction and major repairs due to more stable weather conditions.
However, inspections, planning, and smaller repairs can be done year-round. Because the Seattle area has a busy construction season, scheduling in advance is highly recommended
Our blog
Deck Repair Vs Deck Restoration In Washington State: How To Tell Which One You Need
August 3, 2026I get this call a lot: "My deck looks terrible, do I need a whole new one?" Nine times out of ten, the answer is no. What people are seeing is usually just the finish giving up: gray, faded wood,...
MoreComposite Decking Vs Wood Decking In Washington State: Which One Is Worth It
June 8, 2026In Washington State, choosing the right decking material is one of the most important decisions a homeowner can make. The climate here is not forgiving. Rain, humidity, shade, moss, and cold...
MoreDeck Stain Vs Deck Paint In Washington State: What Is Better And How To Choose
May 19, 2026In Washington State, decks go through a lot. Rain, moisture, shade, moss, and temperature changes slowly wear down the surface. That is why choosing the right finish is just as important as...
More
SiA Builds
Schedule a consultation(425) 560 62 99
Dreaming of a beautiful and functional outdoor space that will be your pride? We're ready to help you make it happen! Contact us or fill out our contact form to schedule a consultation. During the meeting, we will assess your site, discuss your desires, and suggest the best solutions. We look forward to working with you and creating the perfect space for your home.
