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Onyx Builders LLC.

WA + ID, registered in both statesEst. 2026

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Credentials & honors
  • Registered in both statesWA L&I + Idaho DOPLRegistered in both states. Holds a current Washington L&I registration and a current Idaho contractor registration, so it can legally take jobs on both sides of the state line.

Onyx Builders LLC builds pole barns, custom decks and cedar fences out of Colbert, north of Spokane. The state insures the work under wood-frame and sheet-metal building construction, which fits that mix of timber-framed outbuildings with metal skins, backyard decks and privacy fencing. The business describes itself as veteran-owned and locally owned and operated, and it works within about 25 miles of Colbert.

Onyx Builders is a new registration with the state, and Alyssa Black and Nicholas Black are listed as its principals. The company's own site says the people behind it bring well over a decade of construction experience, which is the business's claim rather than something the state record shows. The work is residential: outbuildings on rural lots, decks off the back of a house, and cedar and other fencing. Colbert, Chattaroy, Deer Park and the north Spokane edge of that radius are full of acreage where a pole barn or shop building makes sense. For a homeowner, this is a small, locally run outfit suited to a single outdoor project, such as a cedar privacy fence, a new deck or a pole barn for equipment and hay. It is a residential builder, not a bidder on commercial or public work. A homeowner who wants a long, documented history under this name should know the business itself is new, even if the claimed experience behind it is older. Outdoor building in Spokane follows the weather. Decks and fences crowd into late spring and summer, once the ground thaws and dries, and builders' calendars fill early. Pole barns depend on dry ground for posts and site access, so late summer and early fall are popular, before freezes and snow load become a concern. Planning over the winter, with drawings, site questions and county permits for larger outbuildings sorted out first, puts a homeowner near the front of the line when the season opens.

WA L&I registration verified November 1, 2026 · see the state record

WA L&I registration
Registration number
ONYXBBL743LD
Registration checked
November 1, 2026
Registered since
2026
Expires
June 2028
Also registered in Idaho
9381923
Contractor bond
$30,000 · Ohio Cas Ins Co
Liability insurance
$1,000,000 · State National Ins Co Inc
Insurance through
October 2027
Check it on the state record
Listed services
01
Pole barns
02
Custom decks
03
Cedar and other fences

Ask Onyx Builders LLC which of these their own crew handles.

The record

The details on Onyx Builders LLC

WA L&I registration
ONYXBBL743LD
Idaho registration
9381923
Registration checked
November 1, 2026
Registered since
2026
Expires
June 2028
Contractor bond
$30,000 · Ohio Cas Ins Co
Liability insurance
$1,000,000 · State National Ins Co Inc
Insurance through
October 2027
Established
2026
Primary trade
Fencing
L&I specialty
GENERAL
Registered principal
Alyssa Black · since 2026
Registered principal
Nicholas Black · since 2026
Based in
Colbert

Own this business? Claim the listing to correct anything here.

Before you call

Questions worth asking Onyx Builders LLC

Is Onyx Builders LLC licensed in Washington?

The number you want is ONYXBBL743LD — Onyx Builders LLC's Washington State L&I contractor registration, expiring June 2028. They are also registered in Idaho (9381923), so Coeur d'Alene-side work is covered too. Last checked November 1, 2026. Washington's contractor lookup is free and open if you want to confirm it today. On file alongside it: a $30,000 contractor bond (Ohio Cas Ins Co) and $1,000,000 of liability insurance with State National Ins Co Inc through October 2027. Ask them to send the bond and insurance certificates over before the first day on site.

What kind of work does Onyx Builders LLC take on?

Pole barns, Custom decks, Cedar and other fences — that is the fence and gate work they list. Ask where the subcontractors come in.

How do I get hold of Onyx Builders LLC?

Start at onyxbuilderswa.com. Ask when they could get someone out to look, and whether the quote comes in writing.

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