Erosion Control work on a jobsite in California

Erosion Control in California

Erosion Control contractors in California

Silt fence, inlet protection, stabilized entrances, matting and seeding installed and maintained to keep the site in compliance.

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Project guide

Hiring erosion control contractors in California

Erosion and sediment control keeps disturbed soil on the site and out of storm drains, ditches and neighboring property while construction is under way and until vegetation is established. Under the federal Clean Water Act, any project that disturbs one acre or more needs coverage under a construction stormwater permit and a written plan, commonly called a SWPPP, and many cities set lower thresholds. The physical work is simple and unglamorous: silt fence trenched in along the downhill perimeter, a stone construction entrance so trucks do not track mud onto the road, protection around every inlet, check dams in ditches, and erosion control blanket or hydroseed on slopes. What most owners underestimate is the maintenance: controls have to be inspected after every rain of a quarter inch or more and repaired, and inspectors write violations for torn fence and full silt traps, not for missing paperwork.

GradeLine lists 42 erosion control contractors that serve California.Compare their work and equipment, then confirm availability and service area before requesting a quote.

Listed businesses are based in , Thousand Oaks, Truckee, Arroyo Grande, Los Gatos, Calpella, though most crews travel well beyond their home city.

What erosion control work costs

Silt fence typically costs $2 to $5 per linear foot installed, a stabilized stone construction entrance $1,500 to $4,000, and hydroseeding roughly $0.10 to $0.25 per square foot. A full erosion control package for a single-family lot commonly runs $1,500 to $5,000, while an acre of open ground on a commercial site can reach five figures once inspections and maintenance are included.

Ranges are national and approximate; regional labor rates, material prices and site conditions move them in both directions.

Common projects

  • Silt fence, wattles, inlet protection and rock check dams for active construction sites
  • Slope stabilization with erosion control blanket, hydroseeding, riprap and turf reinforcement mat
  • Stabilized construction entrances, temporary sediment basins and post-storm maintenance

What affects a quote

  • Perimeter length, the acreage of exposed soil and the steepness of slopes on the site
  • The specific products the plan calls for, such as wire-backed silt fence or a particular blanket class
  • Inspection frequency, how long the project stays open, and how many repairs are expected before final stabilization

Erosion Control FAQ

What does erosion control work cost?

Silt fence typically costs $2 to $5 per linear foot installed, a stabilized stone construction entrance $1,500 to $4,000, and hydroseeding roughly $0.10 to $0.25 per square foot. A full erosion control package for a single-family lot commonly runs $1,500 to $5,000, while an acre of open ground on a commercial site can reach five figures once inspections and maintenance are included.

What should I share when requesting an erosion control estimate?

Send the stormwater plan or SWPPP if one exists, the grading plan, the schedule of when soil will be opened up, and where water leaves the site.

What can change the cost of erosion control work in California?

The main cost items are perimeter length, the acreage of exposed soil and the steepness of slopes on the site; the specific products the plan calls for, such as wire-backed silt fence or a particular blanket class; inspection frequency, how long the project stays open, and how many repairs are expected before final stabilization. A site visit helps the crew see which ones apply.

Do erosion control projects in California need permits?

Disturbing one acre or more requires an NPDES construction stormwater permit from the state or EPA and a written SWPPP kept on site. Many counties require an erosion control permit and a pre-construction inspection for smaller projects, and fines for sediment leaving the site can run into the thousands per day.

Directory

Erosion Control contractors serving California

42 contractors found

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