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Diamond Construction Srvcs LLC

Registered with Washington L&I Active
DIAMOCS956J2 · Construction Contractor · renews September 2027

From the state register, October 17, 2026. Confirm on L&I, which also shows their bond and insurance.

(253) 797-3857Phone on their state registration Reviews on GoogleOpens Google Maps
HVAC/RSpecialty on the register

Before you hire them

1Check the name on your estimate matches Diamond Construction Srvcs LLC and registration DIAMOCS956J2.
2Ask whether the job needs a permit, and who pulls it.
3Get a written estimate first. No big cash deposits.
Ask this pro to call me

Free. Goes to one pro registered with Washington L&I.

Referral service, not a contractor. Privacy.

"Get a pro to call me" goes to Diamond Construction Srvcs LLC if they can take it; if not, to one other registered HVAC company near Auburn.

Other registered HVAC companies in Auburn

Dkov Construction Service LLCDKOVCCS745J4Absolute Heating & Cooling IncABSOLHC858MOUnisystems Heating & AC LLCUNISYHA830C1Erickson Refrigeration LLCERICKRL922QEAirstone Heating & Air LLCAIRSTHA743JWErickson Refrigeration LLCERICKRL925P1

All HVAC companies in Auburn

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