Construct alterations to install geo grid slope stabilization measures and fence accessory to existing residence per plan.
7108703-CN · Completed · issued Jan 13, 2026 · Rainier Beach · $45,000Official Seattle record ↗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
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.
Compare companies with a matching permit description
The comparison is evidence, not endorsement. It shows each company’s matching permit count, documented neighborhoods, latest record, registration context, and exact public descriptions.
| Company | Selected permits | Documented neighborhoods | Latest match | Verification |
|---|---|---|---|---|
| True Scapes LLCWA #TRUESSL887PD General contractor. Office listed in Seattle; 10 primary-scope Seattle permits observed since 2021. | 1 | Rainier Beach | Jan 13, 2026 | Active through Nov 15, 2026Full profile → |
View 1 selected permit record | ||||
| Kulchin Foundation Drilling CoWA #KULCHFD995QB General contractor. Office listed in Lakewood (Pierce / South Sound); 5 primary-scope Seattle permits observed since 2021. | 1 | North Admiral | Jun 25, 2025 | Active through Nov 9, 2027Full profile → |
View 1 selected permit recordConstruct shoring and slope stabilization work adjacent to existing one family dwelling per plan. 6931926-CN · Issued · issued Jun 25, 2025 · North Admiral · $135,000Official Seattle record ↗ | ||||
| Integral Construction Inc.WA #INTEGCI159K3 General contractor. Office listed in Edmonds (North King / South Snohomish); 4 primary-scope Seattle permits observed since 2021. | 1 | Interbay | Oct 21, 2022 | Active through Mar 16, 2028Full profile → |
View 1 selected permit recordConstruct new soldier pile retaining wall and stabilize slope adjacent to Single-Family Residence per plan. 6898935-CN · Completed · issued Oct 21, 2022 · Interbay · $300,000Official Seattle record ↗ | ||||
| Environmental Construction Inc.WA #ENVIRCI025BA General contractor. Office listed in Lake Stevens (North Sound); 2 primary-scope Seattle permits observed since 2021. | 1 | Lawton Park | Nov 4, 2021 | Active through Jun 7, 2027Full profile → |
View 1 selected permit recordConstruct alterations to remove existing failing retaining wall and stabilize slope adjacent to Single-Family Residence per plan 6843661-CN · Completed · issued Nov 4, 2021 · Lawton Park · $10,000Official Seattle record ↗ | ||||
General contractor. Office listed in Seattle; 10 primary-scope Seattle permits observed since 2021.
- Selected permits
- 1
- Latest match
- Jan 13, 2026
- Documented neighborhoods
- Rainier Beach
View 1 selected permit record
Construct alterations to install geo grid slope stabilization measures and fence accessory to existing residence per plan.
7108703-CN · Completed · issued Jan 13, 2026 · Rainier Beach · $45,000Official Seattle record ↗General contractor. Office listed in Lakewood (Pierce / South Sound); 5 primary-scope Seattle permits observed since 2021.
- Selected permits
- 1
- Latest match
- Jun 25, 2025
- Documented neighborhoods
- North Admiral
View 1 selected permit record
Construct shoring and slope stabilization work adjacent to existing one family dwelling per plan.
6931926-CN · Issued · issued Jun 25, 2025 · North Admiral · $135,000Official Seattle record ↗General contractor. Office listed in Edmonds (North King / South Snohomish); 4 primary-scope Seattle permits observed since 2021.
- Selected permits
- 1
- Latest match
- Oct 21, 2022
- Documented neighborhoods
- Interbay
View 1 selected permit record
Construct new soldier pile retaining wall and stabilize slope adjacent to Single-Family Residence per plan.
6898935-CN · Completed · issued Oct 21, 2022 · Interbay · $300,000Official Seattle record ↗General contractor. Office listed in Lake Stevens (North Sound); 2 primary-scope Seattle permits observed since 2021.
- Selected permits
- 1
- Latest match
- Nov 4, 2021
- Documented neighborhoods
- Lawton Park
View 1 selected permit record
Construct alterations to remove existing failing retaining wall and stabilize slope adjacent to Single-Family Residence per plan
6843661-CN · Completed · issued Nov 4, 2021 · Lawton Park · $10,000Official 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
Official sources
- Environmentally Critical Areas Code ↗Seattle Department of Construction & Inspections
- Grading Permit ↗Seattle Department of Construction & Inspections
- Retaining Walls & Rockeries ↗Seattle Department of Construction & Inspections