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Spectrum Geological Services, PC (dba Preferred Environmental Services, P.C)

✔ Licensed by NYS DOLMold assessment

North Merrick, NY · Nassau County · Licensed firm · 5.0 (3) Google

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Or call Spectrum Geological Services, PC (dba Preferred Environmental Services, P.C): (516) 546-1100

Google rating

Listed on Google as Preferred Environmental Services

5.0 from 3 reviews · Reviews on Google

Rating from Google. Mold Roster doesn't verify it, and it doesn't affect listing order. Google rating as of Oct 30, 2026.

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Added by us, not on the state list: website and rating from the firm's Google Maps listing, retrieved 2026-10-30.

Note: NY DOL lists licensed businesses; individual workers not published.

Licence

  • Mold Assessment Contractor License (SH125) #26-63p3n-shmo (exp. 2028-10-31)

Source: NYS DOL list, retrieved 2026-10-12. Services: Mold assessment.

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