Structural Design Associates is a professional engineering company providing comprehensive structural engineering services for both residential and commercial projects. Our company believes in providing designs that are functional and economical, working together with our clients to develop complete solutions. Our principal is licensed as a professional engineer in Washington, Nevada and Oregon and our company is experienced in the structural engineering of single family residences, multi-family residences, concrete masonry buildings, concrete tilt-up structures, retention vaults, retaining walls, deep foundations, seismic retrofits, and more.
We have been sending projects to SDA for many years and have always had prompt responses  read more...

These are baseline quotes.  A firm estimate will be given at the time of receiving actual project drawings.


Minimum Job Cost:               $200

One-story Lateral:                 $500

Two-story Lateral:                 $600 (Depending on complexity)

Three-story Lateral:               $700 (Daylight basements, 3500+ sf)

                                                            Gravity:                                $50-75 per hour (Depending on complexity)

                                        Site Visits                            $400

                                                            Moment Frame Job               $1000 minimum

                                                            Construction Support letter    $150.00 minimum

                                                            Re-Use Fee                          $225 for lateral & 25% of Gravity

                                                            Foundation                           $200

                                                            Review Shop Drawings

                                                           (No Calculations)                  $75

                                                            Multi-Use Basic                   $1000 (min) or cost of job

                                                            Addition Elevations               $200 Each

                                                           Steel Frame Foundations       $700

                                                           Vaults                                  $1200

    Many other engineering services are available, please contact our office for more prices.