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Trusted Civil & Structural Engineering Solutions
O'Connell & Associates Consulting Engineers is a mid-sized, multi-disciplined firm specializing in residential, commercial, and municipal projects. Our team of civil and structural engineers combines extensive experience in diverse processes, techniques, and materials with a deep understanding of regulatory requirements to deliver cost-efficient, tailored designs. Our principals and engineers bring strong design and construction backgrounds, ensuring practical, economical solutions to complex challenges.

We are committed to solving client problems efficiently through technical proficiency and interpersonal skills, prioritizing community impact, effective communication, and high-quality work standards. Our mission focuses on timely, cost-effective outcomes, while our vision aims to establish the firm as a Gulf Coast leader in sustainable engineering. Core values emphasize trust, integrity, and measurable project goals to ensure client satisfaction and long-term relationships.
Services
Civil Engineering Design Structural Engineering Waterproofing & Restoration Contract Administration Stormwater Management Regulatory Permitting Building Envelope Assessments Structural Peer Review Land Development Construction Documentation
Highlights and features
  • We have over 35 years of experience in structural assessments and restoration.
  • Our team employs state-of-the-art engineering software for 3D and finite element analysis.
  • We offer a personalized three-year partnership for continuing engineering services.
  • Our principals and engineers have strong design and construction backgrounds.
  • We specialize in cost-efficient designs tailored to meet project goals.
Services
Civil Engineering Design
Our civil engineering team designs residential, commercial, and municipal infrastructure, including roadways, stormwater systems, utilities, and land development projects. We handle planning, permitting, and regulatory compliance to ensure efficient project execution. Our expertise spans site grading, drainage, and municipal water/sewer systems for sustainable community growth.
Structural Engineering
We provide structural design and assessment for low- to high-rise buildings using steel, concrete, and wood materials. Our services include forensic analysis, renovations, and peer reviews to ensure safety and compliance. Projects range from residential homes to commercial complexes across multiple states with specialized coastal environment expertise.
Waterproofing & Restoration
Our team specializes in forensic investigations, leak detection, and restoration of building envelopes for condominiums and commercial properties. We develop repair specifications, manage contractor bids, and provide long-term maintenance plans. Services include balcony inspections, infrared leak detection, and legal support for construction defect claims.
Contract Administration
We offer contract administration during construction projects to ensure compliance with design specifications and timelines. Our services include bid evaluation, construction document review, and on-site quality control. We coordinate with contractors, architects, and regulatory agencies to maintain project integrity from start to completion.
Regulatory Permitting
Our experts navigate municipal, state, and federal permitting requirements for land development and infrastructure projects. We prepare technical documentation, traffic studies, and environmental impact assessments to secure approvals efficiently. Services cover zoning compliance, stormwater management permits, and utility coordination for residential and commercial developments.
People
Neill OConnell
President / Principal Engineer
With 25+ years of experience since graduating in 1999, Neill specializes in civil and structural design for stormwater systems, roadways, and municipal utilities. He leads complex projects requiring regulatory compliance and construction expertise.
Matthew Fressell
Director of Waterproofing & Restoration
A licensed Professional Engineer with 35+ years of experience, Matthew specializes in structural assessments and coastal building restoration. He previously managed large-scale projects for the U.S. Army Corps of Engineers and holds a Certified Cost Engineer designation.
Josh Barker
Structural Engineering Manager
Josh holds a masters degree in structural engineering and specializes in finite element analysis for high-rise buildings. He has extensive experience in structural renovations, foundation design, and forensic analysis of distressed components.
Jonathan Nash
Civil Engineering Manager
With 20+ years of experience since 2001, Jonathan focuses on land development, municipal utilities, and stormwater management. He manages permitting processes and construction administration for commercial and industrial site designs.
Brandi Ryles-Waller
Community Asset Consultant
A licensed Community Association Manager since 2005, Brandi specializes in condominium and homeowner association management. She develops building maintenance plans, reserve studies, and oversees refurbishment projects with attention to detail.
Questions
What services does OConnell & Associates offer?
We specialize in civil and structural engineering, waterproofing, restoration, contract administration, stormwater management, regulatory permitting, and building envelope assessments for residential, commercial, and municipal projects.
Do you provide services outside Florida?
Yes, we serve clients across Texas, Louisiana, Mississippi, Alabama, Georgia, Tennessee, and other states, with expertise in Gulf Coast and national projects.
What industries do you work with?
We serve residential, commercial, municipal, and industrial sectors, offering tailored engineering solutions for diverse infrastructure and building needs.
Do you offer emergency services?
No, we focus on planned engineering projects and long-term partnerships rather than emergency response services.
What sets your firm apart from competitors?
Our team combines 35+ years of experience, state-of-the-art software, and a commitment to cost-effective, client-focused solutions for complex engineering challenges.