# Marshall's Mechanical INC Marshall's Mechanical INC appears in a public register or member directory, with an address in Coupeville, WA, United States. Confirm services and current qualifications directly. Marshall's Mechanical INC appears on the Washington State Department of Labor & Industries register (ELECTRICAL CONTRACTOR — HVAC/RFRG), with an address in Coupeville, WA. Services named in the source: HVAC/RFRG. ## Details - Address: 142 HARRINGTON RD, Coupeville, WA, 98239, United States - Phone: [13606785402]() - Website: [marshallsheatingac.com/]() - Register / bond / licence number: MARSHMI813JH - Register authority or trade association: Washington State Department of Labor & Industries - Source of the listing data: Washington L&I — Contractor License Data, https://data.wa.gov/resource/m8qx-ubtq.json?%24where=contractorlicensestatus%3D%27ACTIVE%27+AND+specialtycode1+in+%28%27AC%27%2C%27SM%27%2C%276A%27%29&%24limit=5000&%24order=businessname, fetched 2026-11-10. Website, map pin from Overture Maps Places (CDLA-Permissive-2.0, release 2026-10-21.0). ## Questions ### Where is Marshall's Mechanical INC? Marshall's Mechanical INC is at 142 HARRINGTON RD, Coupeville, WA, 98239, United States. ### How do I contact Marshall's Mechanical INC? To contact Marshall's Mechanical INC, call 13606785402 or visit https://marshallsheatingac.com/. ## Source From [Public registers and member directories (source summary)](https://data.wa.gov/resource/m8qx-ubtq.json?%24where=contractorlicensestatus%3D%27ACTIVE%27+AND+specialtycode1+in+%28%27AC%27%2C%27SM%27%2C%276A%27%29&%24limit=5000&%24order=businessname), license Connecticut: Public Domain metadata; Washington: Open Data Commons PDDL 1.0; Minnesota, TSSA, TSASK and SNIPEF: public register; no reuse licence stated, checked 2026-11-11. Last updated November 11, 2026. ## Links - This heating contractor on the [web page]() - [Registered heating / mechanical contractors in Coupeville]() - [More heating contractors in Coupeville]()