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Safe Demolition & Environmental Abatement Services

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GDSI offers safe, comprehensive demolition and environmental abatement services throughout the Portland Metropolitan area and across the Pacific Northwest.

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​​With superior customer service, responsible execution, and the highest quality results, GDSI is your partner for safe and dependable demolition and environmental abatement services.

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Environmental Abatement

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Soil Remediation

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UST Decommissioning

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Demolition

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Concrete Cutting

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© 2025 GDSI  |  All Rights Reserved | Terms of Use

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8823 North Harborgate Street

Portland, OR  97203

o: 503-236-4299 

f: 503-961-1183 

ORCCB# 221268

OR DEQ# FS-2022-00791

OR CCB LEAD BASED PAINT RENOVATION LICENSE # LBPR-221268

OR CCB LEAD INSPECTION CONTRACTOR LICENSE # LBPI-221268

OREGON HEALTH AUTHORITY LEAD BASED PAINT ACTIVITIES CERT # 2261-LBP FIRM

WA ASBESTOS CONTRACTOR CERTIFICATE # ABCN00001672

WA DEPT OF COMMERCE LEAD BASED PAINT ABATEMENT FIRM # 8343

Washington L&I# GDSI***828MO 

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