Certified Construction Monitoring In NYC
We are a Trusted NYC Engineering Firm Dedicated to Protecting Adjacent Structures and Ensuring Strict DOB Compliance.
We Provide Expert Vibration, Optical, and Crack Monitoring to Keep Your NYC Projects Compliant.
Vibration Monitoring
We deploy automated seismograph systems to accurately protect adjacent structures from active vibrations.
Crack Monitoring
We document and measure existing structural defects using precise gauges and exact photographic evidence.
Optical Surveys
Our electronic total station surveys track precise structural settlement to ensure strict NYC compliance.
Expert NYC Construction Monitoring & DOB Compliance
- Our Vision
To safeguard adjacent properties and historic structures across New York City from any negative impacts during all construction.
- Our Mission
We provide certified vibration, optical, and crack monitoring data to ensure your active NYC jobsites remain 100% DOB compliant.
PROVEN RECORD
CORE EXPERTISE
SAFETY STANDARD
PE-Certified Monitoring Solutions For Our Clients
Discover top-tier structural monitoring strategies.

Our Structural Monitoring Portfolio.
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Our Structural Monitoring Portfolio.
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500+ Satisfied Clients
Commitment to Our Clients
It’s not just about meeting basic city codes; it’s about deploying precise, PE-certified monitoring plans to guarantee total site compliance.
Uncompromised Safety Policy
Our goal is zero structural impacts, providing precise data to protect every site.
PE-Certified
Experts
PE-Certified Experts
Our licensed engineering team provides precise, site-specific solutions.
Comprehensive Protection
We partner with clients and developers to keep active jobsites strictly compliant.

“Liberty's reports gave us all we needed for DOB compliance. Fast, thorough, and completely professional. Highly recommended.”
“We hired Liberty for vibration monitoring on a tight timeline. Their response time and report quality exceeded expectations.”
“The pre-construction survey Liberty completed protected us from a neighbor dispute. Their documentation was thorough and airtight.”
“Working with Sunanda and his team was seamless. Every weekly report was on time, clear, and ready for DOB submission.”
WE'RE PROUD TO WORK WITH THE BEST IN NYC CONSTRUCTION
WE'RE PROUD TO WORK WITH THE BEST
IN NYC CONSTRUCTION
Obtain a Custom DOB Compliance Plan for Your Construction Today














