Business Details
29 Years
experience
Expert Environmental Consulting & Permitting Services
Founded in 1997, Epsilon Associates has established itself as a leader in environmental consulting and regulatory compliance. Our team of scientists, planners, and engineers brings decades of collective experience to navigate complex permitting processes for real estate, energy, and infrastructure projects. We specialize in delivering strategic solutions that balance client objectives with environmental stewardship, having successfully completed over 3,000 projects across the United States and internationally. Our expertise spans environmental compliance, air quality, historic preservation, and ecological sciences, supported by a proven track record of client retention through referrals. We maintain strong working relationships with regulatory agencies and prioritize transparency, technical excellence, and sustainable outcomes.Our multidisciplinary approach ensures comprehensive support for projects ranging from offshore wind development to urban real estate permitting. With offices in Massachusetts and New York, we serve diverse sectors including energy, transportation, and commercial development. Our commitment to innovation is demonstrated through advanced GIS mapping, acoustic modeling, and climate change mitigation strategies. We adhere to core values of integrity, teamwork, and dedication, ensuring projects meet regulatory standards while advancing client goals. This combination of technical proficiency and regulatory insight positions us as trusted partners in project success.
Services
Environmental Compliance
Air Quality
GIS Mapping
Ecological Sciences
Historic Preservation
Coastal & Marine
Acoustics & Noise
Real Estate Permitting
Details
- Year established: 1997
Highlights and features
- We have 25+ years of experience in environmental consulting and regulatory compliance
- Our team has secured approvals for 3,000+ projects across the United States
- We offer multidisciplinary expertise in air quality, ecology, and historic preservation
- We maintain a 90% client retention rate through proven results
- Our specialists use advanced modeling and GIS technologies for precise analyses
Services
Real Estate Permitting
Our real estate permitting services guide clients through environmental compliance requirements for development projects. We specialize in Massachusetts Environmental Policy Act (MEPA) reviews, Boston's Article 80 process, and local development regulations. Our team prepares environmental impact reports, greenhouse gas analyses, and LEED certification documentation to secure timely project approvals.
Acoustics & Noise
We provide comprehensive acoustic consulting for energy, industrial, and transportation projects. Our services include sound level modeling, noise control evaluations, and compliance monitoring programs. Using state-of-the-art technology like CadnaA and windPRO software, we deliver accurate assessments for wind energy projects and urban developments across the United States.
Historic Preservation
Our historic preservation consultants specialize in Section 106 compliance and historic tax credit applications. We provide National Register nominations, architectural documentation, and regulatory reviews for redevelopment projects. With expertise in Boston's Article 85 requirements, we help clients preserve historic structures while meeting modern development needs.
Ecological Sciences
We conduct wetland delineations, endangered species assessments, and habitat evaluations for infrastructure projects. Our team manages permitting under the Clean Water Act and state wetlands protection laws. We provide construction monitoring and compliance solutions for utility, transportation, and commercial development projects nationwide.
Coastal & Marine
Our coastal scientists specialize in offshore wind permitting and Chapter 91 waterways licensing. We conduct shoreline assessments, dredging analyses, and marine environmental studies. With expertise in federal consistency reviews and coastal zone management, we support energy, transportation, and waterfront development projects along the Atlantic coast.
People
Douglas Kelleher
Principal
Douglas Kelleher leads historic preservation planning and tax credit initiatives at Epsilon Associates. With expertise in Section 106 compliance and state historic rehabilitation tax credits, he guides clients through complex regulatory processes for historic building renovations across the Northeast.
Brian Lever
Principal
Brian Lever specializes in historic preservation planning and tax credit applications. He provides strategic guidance for adaptive reuse projects, working closely with state historic preservation offices and local commissions to secure approvals for historic building renovations throughout New England.
AJ Jablonowski
Principal
AJ Jablonowski directs air quality permitting and power plant compliance services. As a licensed professional engineer, he manages complex air permit applications and regulatory negotiations for energy facilities, ensuring compliance with Clean Air Act requirements across multiple states.
Michael D. Howard
Co-Managing Principal
Michael D. Howard oversees complex wetlands and environmental permitting projects. As a Professional Wetland Scientist, he directs regulatory compliance strategies for infrastructure developments, managing multidisciplinary teams to secure federal and state wetland permits.
Dwight Dunk
Principal
Dwight Dunk specializes in freshwater and coastal wetland ecology. With dual certifications as a Professional Wetland Scientist and Board Certified Environmental Scientist, he provides expert testimony and regulatory guidance for coastal development projects and environmental impact assessments.
Questions
What types of projects does Epsilon Associates specialize in?
We specialize in regulatory approvals for energy projects, real estate developments, transportation infrastructure, and historic preservation initiatives across the United States.
How does Epsilon Associates handle environmental compliance?
We provide comprehensive compliance services including air quality permitting, wetlands delineation, endangered species assessments, and environmental impact documentation under federal and state regulations.
What geographic areas do you serve?
While based in Massachusetts and New York, we serve clients nationwide with project experience in nearly all 50 states and international locations.
How do you approach offshore wind project permitting?
Our team manages federal and state permitting for offshore wind projects, including BOEM compliance, coastal zone management reviews, and environmental impact assessments using specialized marine science expertise.
Can you assist with historic tax credit applications?
Yes, our preservation specialists have secured state and federal historic tax credits for hundreds of projects throughout the Northeast region.
