Civil Engineering:
  • Preliminary plats
  • Infrastructure design
  • Construction management
  • Site development analysis and design
  • Topographic and Grading plans
  • Erosion control design and management plans
  • Construction review and As-Built plans
  • Project cost estimates
  • Expert witness services Industrial, commercial & residential development 

Land Development Planning:
  • Comprehensive/Community plans
  • Master plans
  • Planned Unit Developments (PUD's)
  • Text and map changes
  • Rezoning
  • Annexations
  • Land use permitting
  • Impact statements
  • Wetland permitting Water rights evaluations Public involvement

Professional Land Surveying:
  • Boundary surveys
  • American Land Title Act (A.L.T.A.) surveys
  • Preliminary & final plats
  • Topographic surveys 
  • Lot line adjustments
  • Construction staking
  • Condominium plats
  • Elevation certificates
  • Forest harvest surveys
  • Building layouts Foundation certificates
At Welkin Engineering, P.C., we take care to provide our customers high quality services personalized for their unique needs. We are available to take your order 24 hours a day, 7 days a week. 

If you have any question concerning deliveries, pick-ups or prices, please don't hesitate to contact us. Our friendly staff will help you find the best solutions for you.
Welkin Engineering, PC was incorporated in 2002 to provide land development oriented clients with the most qualified and experienced professionals who can turn their plans into reality. We provide a multi-disciplinary response to the diverse challenges of our clients.

25260 SW PARKWAY AVE.  |  SUITE G  |  WILSONVILLE  |  OR 97070  
PHONE: (503) 598-1866