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Seattle permit evidence

Slope stabilization

Seattle slope-stabilization and shoring permit evidence, ECA context, and questions for assembling an engineering-led scope.

What this work is and when it enters the conversation

Slope stabilization is an objective, not a single construction product. Depending on the failure mechanism and site geometry, a design may address surface water, groundwater, erosion, grading, vegetation, soil reinforcement, piles, anchors, walls, or combinations of measures. A bid assembled before the mechanism is understood can solve the visible symptom while leaving the driver untouched.

The matching records explicitly mention slope stabilization, stabilizing a slope, or slope-related shoring. Because permit descriptions are short, readers should open each record and avoid assuming the same geology, design, or construction role applies to a new property.

  • New ground movement, scarps, settlement, or tension cracks appear
  • A wall failure is part of broader slope movement
  • Erosion or concentrated water is changing the slope
  • A geotechnical evaluation recommends structural or grading measures

Seattle permit and site questions

Seattle regulates work in environmentally critical areas under SMC 25.09; mapped layers are a screening context, not a parcel diagnosis.

Grading and structural scopes may require separate or coordinated review, monitoring, and inspections.

A permit exemption is not an engineering conclusion, and a mapped environmental layer is not a property assessment. Confirm the current path with SDCI for the actual address, dimensions, loads, grading, and proposed construction.

Calculated from selected records

What appears in this dataset

4matching companies
4matching permits
4documented neighborhoods
2021–2026issue-year span

Among records with a positive declared cost, the observed range is $10,000 to $300,000. These are permit declarations, not bids, invoices, final costs, or price guidance.

Companies with a matching permit description

The company list is evidence, not endorsement. Each excerpt below is the exact public description used for the match; open the official record to inspect its context.

True Scapes LLC1 matching record

Construct alterations to install geo grid slope stabilization measures and fence accessory to existing residence per plan.

7108703-CN · Jan 13, 2026 · Rainier Beach · $45,000

Open official Seattle record ↗

What to settle before signing

Comparable words in a permit do not make two properties comparable. Ask bidders to define exclusions and connect their proposed method to the site investigation and approved documents.

  • A written description of the failure mechanism and design basis
  • Geotechnical, structural, civil, landscape, and contractor responsibilities
  • Temporary stabilization and wet-weather contingency plans
  • Instrumentation, observations, inspections, and closeout documentation

Re-open the contractor’s current Washington registration, bond, and insurance record before a decision. Confirm that the legal entity and license on the contract match the entity whose evidence you reviewed here.

Continue the research

Project intake

Describe the wall or slope question.

This independent intake is not routed to a particular profile company. Sending it does not create an endorsement or contractor relationship.

By sending, you agree to the privacy notice. For an immediate danger, leave the area and contact the appropriate emergency service.

Official sources

  1. Environmentally Critical Areas CodeSeattle Department of Construction & Inspections
  2. Grading PermitSeattle Department of Construction & Inspections
  3. Retaining Walls & RockeriesSeattle Department of Construction & Inspections