Six core services, scoped honestly.
Most engagements begin with a visual site visit. From there, Trinity produces opinion letters, calculations, and signed and sealed drawings as separate, quoted scope — never bundled, never assumed.
Structural site visits
On-site visual review of accessible conditions by a licensed engineer. The starting point for most projects.
Read more →02 · ServiceEngineering letters
Signed and sealed opinion letters for landlords, boards, contractors and NYC DOB filings.
Read more →03 · ServiceSigned & sealed drawings
Structural repair drawings, alteration drawings, and reinforcement details prepared for permit or construction use.
Read more →04 · ServiceNYC DOB & apartment alterations
Filing support and engineering documentation for NYC DOB apartment alterations, plus equivalent municipal permit filings in New Jersey and Connecticut.
Read more →05 · ServiceEquipment load reviews
Load capacity review for new or relocated equipment — including medical, mechanical and industrial.
Read more →06 · ServiceHOA & property management
Ongoing structural support for condominium boards, HOAs and property managers — from one-off opinions to reserve study input.
Read more →Our standard site visits are visual in nature and limited to readily accessible and visible conditions at the time of review. Concealed conditions, covered framing, underground elements, and inaccessible areas are excluded unless specifically included in the scope. Written reports, letters, calculations, and signed/sealed drawings are separate services unless expressly stated in the proposal.
Not sure which service applies?
Send the address and a few photos. We'll tell you what the right scope looks like — or whether you even need an engineer.