Business Details
32 Years
experience
Trusted Engineering Services in Long Island, NY
Founded in 1994, Condon Engineering has been a trusted provider of comprehensive engineering solutions for residential and commercial clients across Long Island. Our team brings over 50 years of combined expertise in structural, electrical, HVAC, plumbing, and civil-site engineering, ensuring every project meets rigorous local codes and standards. Specializing in forensic engineering, pre-purchase inspections, and HERS energy ratings, we combine technical precision with a commitment to community-focused service.Our engineers, including President John J. Condon Sr. and Vice President John J. Condon Jr., hold decades of experience in both design and consultation, serving Suffolk and Nassau counties with personalized attention. From microbreweries to hospitals, our portfolio demonstrates a proven ability to deliver durable, code-compliant solutions tailored to each client's unique needs.
Services
Structural Engineering
Electrical Engineering
HVAC Engineering
Plumbing Engineering
Civil-Site Engineering
Forensic Engineering
HERS Rating
Pre-Purchase Inspections
Septic Design
Energy Audits
Details
- Year established: 1994
Highlights and features
- We offer 50+ years of combined engineering experience in Long Island's unique regulatory environment.
- Our team holds specialized expertise in HERS energy ratings and forensic engineering analysis.
- Family-owned firm prioritizes personalized service for residential and commercial clients.
- Proven track record with complex projects from 1,300-unit condos to historic building renovations.
- Deep familiarity with Suffolk and Nassau County building codes and standards.
Associations and certifications
- Energy Star
Services
Structural Engineering
Structural engineering services for residential and commercial buildings ensure safe, code-compliant designs. Our engineers analyze load-bearing requirements and material specifications for new constructions and renovations. With expertise in wood pile foundations and reinforced cellar systems, we address unique challenges like high groundwater tables.
HERS Rating
Home Energy Rating System (HERS) certifications measure residential energy efficiency. Our certified raters conduct blower door tests, duct blaster tests, and thermal inspections to identify efficiency improvements. We provide Energy Star compliance verification for new and existing homes across Long Island.
Forensic Engineering
Forensic engineering services identify structural failures and building defects through detailed inspections. We assess existing structures for pre-purchase evaluations and provide remediation recommendations. Our team has completed over 2,500 inspections for residential and commercial properties.
Civil-Site Engineering
Civil-site engineering covers grading, drainage, and septic system design for residential and commercial developments. We create site plans meeting local regulatory requirements, including NYSDOT improvements and Health Department permits for projects ranging from single residences to 1,300-unit condominiums.
Electrical Engineering
Electrical engineering services design safe, efficient power systems for buildings. We handle service augmentations, lighting plans, and code compliance for commercial facilities like hospitals and schools. Our work includes electrical load calculations and integration with mechanical systems.
People
John J. Condon Sr.
President
Licensed NY engineer since 1975 with 40+ years in structural and electro-mechanical design. Former NYNEX executive and ASHI member. Leads forensic inspections and historic building adaptations.
John J. Condon
Vice President
Licensed NY engineer since 2004 with expertise in site engineering and HERS ratings. Former project engineer for major civil firms. Specializes in large-scale residential and municipal developments across Long Island.
Questions
What engineering services do you offer?
We provide structural, electrical, HVAC, plumbing, and civil-site engineering services, along with forensic analysis and HERS energy ratings for residential and commercial properties.
Are you certified for HERS ratings?
Yes, we are certified Energy Star Raters authorized to provide HERS Index scores and energy efficiency recommendations for homes in New York.
How experienced is your team?
Our engineers have over 50 years combined experience, including 2,500+ building inspections and projects ranging from historic homes to large commercial developments.
Do you work on commercial projects?
Yes, we handle commercial developments including microbreweries, schools, hospitals, and multi-acre industrial sites with full code compliance documentation.
What areas do you serve?
We primarily serve Long Island, including Suffolk and Nassau Counties, with expertise in local town, county, and state regulatory requirements.
Can you assist with septic system design?
Yes, we provide sanitary septic design services for residential and commercial properties, including NYSDOT-compliant improvements for roadway projects.
