Crafting Your Vision
Always Building
Why ADJ Engineering, PLLC
At ADJ Engineering, PLLC, we bring technical precision, deep code knowledge and real-world experience to every job. We serve clients across the five boroughs with one mission in mind: help you stay compliant, build with confidence and resolve violations fast.
As a certified Minority Business Enterprise (MBE) and Small Business Enterprise (SBE) with the City of New York, we proudly partner with contractors, building owners and design teams on projects of every size—from single-family homes to large-scale commercial and multifamily buildings.
We’re especially proud to offer MBE teaming opportunities for prime contractors and GCs working on public or private jobs in the NYC metro area.
Full-Service Structural Engineering
ADJ Engineering, PLLC is more than a report writer—we’re a trusted partner from concept to clearance. Our services cover a wide range of property needs:
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DOB and FDNY violation correction, including site assessments, engineering letters and Certificate of Correction filings
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Renovation support and change-of-use projects, including PE-stamped drawings, structural redesigns and occupancy conversions
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Elevator and escalator structural consulting, with pit inspections, shaft wall evaluations and slab modification designs
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Permit application engineering, including structural calculations, plan coordination and contractor-ready drawing sets
Whether you're dealing with cracked concrete, a foundation concern, a stop work order or a building enlargement, we’ll help you respond strategically and move forward with confidence.
Quality-Driven
Experienced Team
Project Optimization
Specialized Services
Industry Recognitions
Professional Approach
Official Partnerships
Expert Consultation
Why Clients Choose ADJ Engineering, PLLC
One team from start to finish
We handle the entire engineering side in-house—from field inspections to sealed drawings and code-ready filings. We speak the DOB’s language and know how to guide owners through violations and approvals with minimal friction.
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Violation expertise across all five boroughs
Our experience spans hundreds of successful DOB and FDNY clearances across Queens, Brooklyn, the Bronx, Manhattan and Staten Island. From ECB/OATH citations to fire-rated wall defects and elevator pit deterioration, we’ve seen it and fixed it.
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Support for renovations and legalization
Changing a cellar to legal living space? Adding a third unit to your two-family home? We’ve helped clients legalize occupancy, support use changes, add floors, reinforce framing and prepare for DOB review. We understand structural implications and zoning impact—and we build solutions that work.
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MBE-certified & ready to collaborate
As a certified MBE/SBE firm in NYC, we regularly team with prime contractors, architects and developers on compliance-driven jobs where structural engineering input is critical. We’re fast, responsive and highly familiar with local codes.
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Elevator system upgrades—done right
Modernizing a vertical system? Our structural assessments help ensure your shaft walls, slab openings and machine-room floors are up to the task. We work alongside elevator vendors without triggering special elevator licensing requirements.
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Fast turnaround, code-compliant work
We often inspect properties within 24 hours and issue sealed documents the same week. All engineering deliverables are signed, sealed and reviewed for compliance with current NYC code.
Let’s TalkWhether you’re facing a violation, planning a renovation or modernizing your building systems, ADJ Engineering, PLLC is ready to support you. We offer clear communication, practical design solutions and full service from inspection to clearance.
Get in touch today to schedule your consultation or join forces on your next NYC project.
Our Service Areas
24/7 Construction Services
New York State Licensed Professional Engineer
License No. 083075
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Dwayne Williams, P.E. - President
Phone
(718) 404-4197
