01
Concrete Repair
Restoration of damaged concrete surfaces, slabs, and structural elements on existing buildings.
Structural Repair & Maintenance · NYC & Westchester
Built on strength.
Driven by purpose.
Thessa Construction LLC performs structural repair and maintenance on existing commercial and residential buildings across New York City and Westchester County — concrete repair, masonry, and general structural repair and restoration. Need something else? Contact us.
Coverage
Fully Insured
NYC + Westchester
Service Area
Commercial +
Residential
Woman
Owned
01 — Who we are
A repair & maintenance company built around craft, care, and trust.
Thessa Construction is a Yonkers-based contractor serving property owners, managers, and institutions throughout the five boroughs and Westchester County. We specialize in structural repair and maintenance for existing commercial and residential buildings — concrete repair, masonry, and general structural repair and restoration. Thessa Construction LLC serves as executive supervisor on all projects, with all specialty trade work performed by licensed and insured subcontractors. Materials are purchased from third-party suppliers. We do not perform new construction, steel fabrication, or manufacturing of any kind. Need something outside this scope? Contact us to discuss.
02 — Capabilities
Repair & maintenance, done with care.
Three focused disciplines. One accountable team. Thessa Construction LLC serves as executive supervisor on all projects, with all specialty trade work performed by licensed and insured subcontractors. We do not perform new construction, steel fabrication, or manufacturing of any kind.
Thessa Construction LLC does not perform new construction, steel fabrication, or manufacturing of any kind. If you want more information about whether your project fits our scope, contact us.
02
Masonry
Brick, block, and stone repair with a craftsman's attention to detail.
03
General Structural Repair & Restoration
Targeted structural repair and restoration for aging commercial and residential buildings. Need something else? Contact us to discuss your scope.
Need something specific?
Yonkers, NY
Headquarters
03 — Leadership
A founder-led firm with skin in every project.
Thessa Construction LLC was founded to bring a higher standard to building repair and maintenance in the New York metro area — one rooted in disciplined craftsmanship, transparent communication, and an unwavering commitment to safety.
— Julia Tsesmetzis, Founder & Owner
That hands-on leadership is why our clients keep coming back: structural integrity, schedule integrity, budget integrity. Every time.
Thessa Construction LLC serves as executive supervisor on all projects, with all specialty trade work performed by licensed and insured subcontractors.
Yonkers, NY
Headquarters
NYC + Westchester
Service Area
Repair & Maintenance
Project Focus
04 — Where we build
Serving all of NYC and Westchester County.
From Manhattan buildings to properties across Westchester, our crews are mobilized across the metro area — Manhattan, Brooklyn, The Bronx, Yonkers, and every municipality in Westchester County.
Manhattan
Brooklyn
The Bronx
Yonkers
White Plains
New Rochelle
Mount Vernon
Scarsdale
Greenburgh
All Westchester
05 — Start a project
Let's talk about what you're building.
Send project details, drawings, or a quick scope. The Thessa team will get back within one business day.