Verified Floodproofing / drainage Portland, OR · Pacific Northwest

TerraFirma Foundation Systems, Inc.

Broadest geographic Type B coverage found, including Aberdeen and many western Oregon/Washington communities.

Credentials & verification

State license
173547, unverified, re-check with board
BBB
A+, accredited
Years in business
21

Services

  • basement waterproofing
  • crawl space encapsulation and drainage
  • sump pumps
  • foundation stabilization
  • foundation wall repair
  • concrete lifting

Service area

Portland metro, OR · Willamette Valley, OR · Oregon Coast · Western Washington · Aberdeen, WA · Chehalis/Centralia, WA · Puyallup, WA

Our verification notes

Do not confuse proprietary concrete/slab lifting or foundation stabilization with FEMA whole-house flood elevation. BBB reports seven complaints in the last three years and includes allegations involving sales diagnosis and failed/unfinished work; several were answered or resolved. Obtain an independent engineer's diagnosis for major structural scopes.

Sources checked

  • BBB business profile
  • City of North Bend contractor/license document
  • City of Forest Grove permit archive referencing TerraFirma

Last verified 2026-07-16. This is an independent listing, not an endorsement, and we are not affiliated with TerraFirma Foundation Systems, Inc.. Confirm the current license, insurance and references directly before signing any contract.

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