
Pressure-treated wood
$38–$58/ sq ft installed
Lowest upfront cost; budget for sealing every 1–2 years.
Deck builder · Cle Elum, WA
307 PERRY LN, Cle Elum, WA 98922
Alliance Windows & Gutters Llc is a licensed deck-capable contractor serving Cle Elum, Washington.
It has held an active Washington contractor license since 2024 — 2 years.
Below you can verify the license, see what a deck typically costs in Cle Elum, read homeowner reviews, and estimate your own project — all free and with no lead forms.
License details come from the public Washington contractor record processed by DeckMath and may have changed since. Always re-verify before signing.
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Local cost guide
Installed price per square foot by material, adjusted for local labor. A standard 16×20 ft (320 sq ft) build multiplies these by area — run the deck cost calculator for a figure tailored to your exact size, railing, and stairs.

$38–$58/ sq ft installed
Lowest upfront cost; budget for sealing every 1–2 years.

$49–$70/ sq ft installed
Warm natural grain; periodic staining keeps it from greying.

$70–$96/ sq ft installed
Low-maintenance with 25-year warranties — Trex, TimberTech, Fiberon.

$77–$109/ sq ft installed
Best moisture and stain resistance; lightest long-term upkeep.
Free deck calculators
People also ask
Yes. Alliance Windows & Gutters Llc holds Washington contractor license #ALLIAWG765PZ (active) on the public state record. You can confirm it yourself on the official Washington license lookup linked on this page.
DeckMath does not set or publish any contractor's pricing. As a benchmark, a 16×20 ft mid-range composite deck in Cle Elum runs roughly $22,528–$30,720 installed. Ask Alliance Windows & Gutters Llc for a written quote and compare it against a free DeckMath estimate before you decide.
The Washington record lists Alliance Windows & Gutters Llc as deck-capable, but it doesn't specify brands. Ask which composite or PVC lines they install — Trex, TimberTech, and Fiberon are the most common — and use the DeckMath Trex vs TimberTech tool to compare before you ask.
Use the review form on this page. Every review is moderated and published only if it appears to be from a genuine customer — DeckMath shows aggregate ratings only after at least three published reviews, in line with FTC guidance.
Disclaimer: DeckMath independently lists this contractor from the public Washington license record and does not endorse, employ, vet, or guarantee them. Reviews are the opinions of their authors. License status reflects the most recent public data we processed and may have changed — always verify the license, insurance, and references directly before hiring.