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From St. George to Tottenville, evidence your case can stand on.
Staten Island’s mix of established residential communities, waterfront properties, and evolving zoning creates plenty of ground for boundary disputes, accident claims, and construction-related litigation.
Cases built on informal measurements or outdated surveys rarely survive serious scrutiny, and by the time that becomes clear, there’s often little time left to correct course.
Ferrantello Group P.C. provides expert witness services in Staten Island built on the same licensed, field-verified process behind every survey we perform. As a trusted local expert witness agency, we help attorneys turn technical findings into evidence that holds up in court.
Credentialed through NYSAPLS, ACSM, NSPS, and ALTA
Deposition and trial testimony, not just written reports
Familiar with the borough's flood zones and residential lot patterns
Every finding grounded in field measurement
If you’re hiring an expert witness in Staten Island, our support includes:
As one of the top expert witness firms in Staten Island, we support legal teams from case intake through final testimony.
We’ve supported litigation involving properties throughout St. George, Tottenville, New Dorp, Great Kills, and Todt Hill, neighborhoods where flood-zone regulations and evolving development frequently factor into disputes.
Many expert witness cases start with the need for a fresh, independent survey. Our team also provides land surveying services in Staten Island, using the same field methodology behind our expert testimony. Explore our Land Surveying services.
Understanding the legal question and evidence required
On-site measurement and documentation
Compiling findings into a defensible report
Deposition and trial testimony prepared with your legal team
Beyond testimony, we operate as a trusted NYC land surveying company offering 3D scanning and construction documentation services, giving Staten Island legal teams a single, coordinated resource for every technical need.
Get an expert witness in Staten Island with a licensed, experienced team.
Manhattan survey costs vary based on lot size, building density, and survey type; a boundary survey for a standard lot differs significantly from an ALTA survey on a commercial parcel. Contact us for a project-specific quote.
They gather field-verified data and provide clear professional testimony to help attorneys and courts understand technical evidence accurately.
As early as possible in case preparation, allowing time for thorough investigation and deposition readiness.
Yes. Our team is New York State–licensed with NYSAPLS, ACSM, NSPS, and ALTA credentials, and has direct courtroom testimony experience.
Boundary disputes, accident reconstruction, property damage claims, easement disputes, and construction defect or delay litigation, particularly in flood-zone areas.
Yes, our process covers everything from initial case review and field investigation through report preparation and courtroom testimony.