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Eastern/Chadrow Associates, Inc. (ECA) is located in Warminster Township, Bucks County, Pennsylvania, and specializes in land surveying, civil engineering, and planning for residential, commercial, industrial and municipal projects. If you are a homeowner, developer, architect, engineer or site contractor, ECA has the experience, tools and ability to make sure the job is completed from beginning to end. In addition to our many services and state-of-the-art equipment, we provide prompt service and attention to detail. A few of our services are as follows, but not limited to:



  • Land Use Feasibility Studies

  • Zoning Reviews & Variances

  • Ordinance Review

  • Sketch/Concept Plans

  • Due Diligence Review

  • Master Plans

  • Aerial Maps

  • Parks & Trails

  • Environmental Analysis

  • Water & Sewer Site Analysis

  • Property Survey



  • Property Survey

  • Topographic Surveying

  • Subdivision Plans

  • Construction Staking

  • ALTA / ACSM Surveys

  • Legal Descriptions

  • Easement Plans

  • Condominium Plans

  • As-Built Surveys

  • Wetland & PADEP Permitting

  • PennDOT Permits

  • FEMA Flood Certifications

  • Soil Percolation



  • Subdivision & Land Development

  • Site Planning & Due Diligence Reviews

  • Value Engineering Plan Reviews

  • Stormwater Management (BMP's)

  • Site Grading & Earthwork Analysis

  • Erosion Control (NPDES Permits)

  • Water & Sewer Design

  • PADEP Sewage Facility Planning Modules

  • Construction Management

  • Home & Building Inspections

  • FEMA Flood Plain Analysis & Permitting

  • Municipal Plan Reviews

  • Municipal Infrastructure Improvements

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