O'Connell & Associates Consulting Engineers, LLC is a mid-sized, multi-disciplined firm specializing in residential, commercial and municipal work with civil, structural and mechanical engineers on staff. Our experience in a wide variety of processes, techniques and materials combined with our understanding of local, state and federal regulatory requirements enables us to develop cost-efficient designs tailored to meet your project goals in a timely manner. The quality that sets us apart from most firms is that our principals and engineers all have strong design and construction backgrounds resulting in common sense, economical solutions to problems.

Highlights, Specialties & Features

  • Civi, Structural and Mechanical Engineering

Serviced Areas

  • Texas, Louisiana, Mississippi, Alabama, Florida, Georgia, South Carolina, North Carolina, Virginia, Maryland, Washington, D.C., Michigan

Payment Options

  • American Express, MasterCard, VISA

Contact Details

  City Santa Rosa Beach, FL
  Zip Code 32459
  Address 1394 County Highway 283 South, Building #3
  Phone Number (850) 403-4555
  Fax (850) 213-3199

Products & Services


O'Connell & Associates civil engineering design team works with each client to develop conceptual and detailed residential, commercial, and municipal designs. Projects may include, planning, permitting and development of site grading and drainage, roadway design, small and large scale stormwater retention, pumping station design, potable water wells, storage and distribution systems, wastewater collection and treatment systems, reuse water handling and disposal. During the design, our team will also coordinate closely with planning and regulatory authorities to establish a well-defined roadmap to help lead the project team through complex review and approval processes.


O'Connell & Associates structural design team employs state of the art engineering computer software capable of performing three-dimensional and finite element analysis, when necessary. We also use engineering computer software to aid in the design of concrete slabs, individual concrete, steel, aluminum, and wood beams, foundations, retaining walls, connections and all other elements of concrete steel, aluminum and wood frames.

Mechanical, Electrical & Plumbing

O'Connell & Associates mechanical, electrical and plumbing (MEP) team specializes in facility management consulting, with a particular focus on the analysis and troubleshooting of aging building infrastructure and resolving construction defects associated with new buildings. Projects may include mechanical systems design and engineering, energy audits, utility metering, infrared thermal analysis, preventative maintenance planning, fire and electrical system consulting, and building code compliance review.

Waterproofing & Restoration

O'Connell & Associates waterproofing and restoration team works with residential and commercial property managers and directors to identify and address building leakage problems, locate and determine causes of structural and non-structural component failures, analyze and report on waterproofing systems, provide recommendations for remedial designs, develop detailed specifications and scope of work for repairs, solicit and tabulate competitive bids from qualified general contractors and provide contract administration services during construction.

Photo Book

Social Activity

WaterSound Beach Link Bridge Restoration - Progress Photos
Facebook   Full Post ›
Please meet Ms. Lisa and a few of the incredibly hard working people of St. Vincent de Paul processing donations and performing community outreach in the Greater Baton Rouge area. O'Connell & Associates is proud and honored to be a part of the Louisiana
Facebook   Full Post ›
Foundation construction begins at 146 Montgomery Street in Seagrove Beach!
Facebook   Full Post ›
U.S. Fish and Wildlife Service and Walton County Release Streamline Choctawhatchee Beach Mouse Habitat Construction Permit Process The Choctawhatchee Beach Mouse (CBM) is a federally endangered species endemic to Walton County that is protected by the
Facebook   Full Post ›
Introducing the 30a Trading Company! Proposed on the corner of County Road 30a and Dalton Drive in Seagrove Beach, FL, we expect it to be a great addition to the area! For more information please visit: www.oconnellengineers.com/30atradingcompany
Facebook   Full Post ›
Our newest Alys Beach project with Domin-Bock Architects is under way!
Facebook   Full Post ›
Completed 70' tall, free standing aluminum stair tower for a thermal energy storage tank at Duke Energy in Bartow, FL.
Facebook   Full Post ›