(253) 474-9449
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Professional Services

Sitts & Hill Engineers, Inc. is a full service Civil and Structural Engineering and Land Surveying firm with supporting architectural, land surveying, and landscape architecture departments. We have been providing quality engineering and surveying from our Tacoma office since 1955. The work of our firm is diverse and encompasses a broad range of light and heavy industrial development including aerospace, rail, marine and waterfront; commercial and multifamily facilities; land development; educational facilities; and specialty engineering for towers, cranes, tank design and inspection. We are accustomed to fulfilling roles of prime consultant, lead design professional, construction contract administrator and owner's representative on a variety of projects for clients throughout the United States.


Self-Performed Services:

Structural / Industrial Engineering Services

  • General arrangement / Plant layout
  • Code compliance studies (building code, etc.)
    Building design
  • Design / Analysis of tools and equipment
  • Structural engineering calculations and reports
  • Tank analysis / Inspection
  • Specialty foundations for machines and equipment
  • Underground Vaults, Flight-line pop-up pits and duct banks
  • BIM Services, renderings, 3D modeling

Civil Engineering Services

  • Stormwater quantity, quality and conveyance system design
  • Gravity and pressure sanitary sewer systems, including oil/water separators and grease interceptors
  • Fire and domestic water system design
  • Street and roadway design, pavement rehabilitation, route optimization, channelization and signage
  • Pedestrian paths, sidewalks, ADA routes, safety improvements for circulation
  • Fencing, gates, turnstiles, vehicle turnarounds, and secure facilities
  • Railroad terminals, track design, railroad / street crossing design, rail unloading / loading facilities
  • Permitting assistance, preparation of permit documents such as: SEPA, NOI, JARPA, Army Corp. Permits
  • Landscape architecture services
  • LEED® Services

Supporting Services

  • Construction support services and construction management
  • Boundary and topographic survey services
  • Specification preparation
  • Cost estimating services
  • Project Administration / Design Quality Control

More To Explore


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Civil Engineering

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Structural Engineering

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Land Surveying

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Other Services

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