General Contractor in Black Diamond, WA. GENERAL
Mercer Development Services appears in Washington license records as a general contractor based in Black Diamond, WA. The record lists a CONSTRUCTION CONTRACTOR license (#MERCEDS887OE) with status “Active”. It was first issued on 2012-09-05, 14 years ago. The listed expiration date, 2026-09-11, has passed, so check the state board before hiring.
Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.
This listing was created from public license records. The owner hasn’t claimed it yet — claim it now and we’ll build you a free professional website at bidroom.io/pro/mercer-development-services.
Contact info is revealed to anyone with a free Bidroom account. Create yours to unlock contact details across the Bidroom directory — then subscribe if you'd like to message verified pros directly inside the app.
Create a free account Or subscribe to message in-appCheck license #MERCEDS887OE on the Washington L&I lookup and the BBB the day you hire; status can change after Bidroom's last import (2026-04-09).
Mercer Development Services is a general contractor based in Black Diamond, Washington. Their license classification is GENERAL. Listed specialties: GENERAL.
Yes. Mercer Development Services holds Washington L&I license #MERCEDS887OE (status: Active). Verify the current status on Washington L&I before hiring.
Mercer Development Services is based in Black Diamond, WA 98010.
Contact information (phone, email, website) is shown to anyone with a free Bidroom account. Create a free account to reveal Mercer Development Services's contact details, then subscribe if you'd like to message them in-app.
The fastest way is to post your project on Bidroom — Mercer Development Services and up to 2 other verified general contractors in Black Diamond can bid on it, and every quote includes itemized pricing + a written scope of work.
Not yet. This listing was created from public Washington license records but hasn't been claimed by the owner. The license info above is from official records, but the business hasn't confirmed its services, hours, or current availability with us yet.
Contractor vetting checklist · Cost guide · Look up this license at the state board