Contact Us

Known for getting the job done right

Our reputation is built on disciplined project management, technical expertise, and consistent execution that ensures quality at every stage.

Our Services

A Comprehensive Approach to Specialized Services

Onsite combines multidisciplinary expertise to deliver exceptional results. Our streamlined approach integrates engineering precision and project management excellence, ensuring superior coordination, cost savings, and accelerated timelines for our clients.
With deep roots in Puerto Rico, we are committed to advancing the island’s infrastructure. From residential developments to sports stadiums, our work reflects a dedication to quality and a focus on contributing to the island’s growth and resilience.

No job is too big or too small for us.

Our Services

Our services are fully adaptable and can be customized to meet the specific needs of each project, including:

Safe and efficient demolition services, including structures, interiors, and debris, ensuring thorough site preparation and minimizing disruption.

Demolition

High-quality wall, facade, and structural work, blending durability and craftsmanship for new builds or restorations.

Masonry & Structural Work

Expert tile installation for floors, walls, and surfaces, delivering precision, durability, and a flawless finish for both residential and commercial projects.

Professional Tile Installation

Premium finishing services that enhance the beauty and functionality of spaces, combining meticulous attention to detail with durable, long-lasting results for both interior and exterior surfaces.

Interior & Exterior Finishes

Professional painting and facade waterproofing services that protect and beautify surfaces, ensuring lasting color, resilience, and protection against weather and wear.

Painting & Waterproofing

Specialized construction services for hotels and hospitality spaces, delivering high-quality, functional, and aesthetically appealing environments that elevate guest experiences.

Hospitality Construction

Rapid and thorough restoration services to repair and recover properties affected by water or storm damage, ensuring safety, structural integrity, and a return to pre-damage condition.

Water & Storm Restoration

Comprehensive construction support for repairs, maintenance, upgrades, and rapid-response needs, delivering flexible, reliable solutions that ensure projects run smoothly and efficiently.

Other Services

Precise. Reliable. Safe.

Demolition

Safe, efficient demolition with minimal disruption. We handle interiors to full structural takedowns with clean site prep every time

  • Full and Multi-Floor Interior & Exterior Demolition
  • Dump Truck & Hauling Services
  • Dismantling & Specialty Demolition
  • Heavy Concrete Demolition & Removal
  • Debris management & Site Cleanup
  • Site preparation

Solid Foundations, Built to Last.

Masonry & Structural Work

Durable masonry and structural solutions. From new builds to restorations, we deliver strength with craftsmanship.

  • Concrete Masonry Units (CMU)
  • Brick
  • Plastering & Finishing
  • RCC & Precast Lintels
  • Concrete Structural Repairs
  • General Concrete Work

Expertly Laid, Beautifully Finished

Professional Tile Installation

Expert tile work for luxury spaces. Precision installation of stone, porcelain, ceramic, and specialty surfaces.

  • Porcelain, ceramic, and natural stone
  • Large-format lobby flooring
  • Custom bathroom & spa installations
  • Specialty surface applications
  • Epoxy grout & waterproofing systems

Polished Spaces, Lasting Beauty

Interior & Exterior Finishes

High-quality finishes that elevate design. From stucco to specialty coatings, we perfect the details

  • High-Quality Finishes
  • Wall and Ceiling Systems – drywall, partition walls, acoustic panels, and suspended ceilings
  • Flooring Systems – tile, pavers, epoxy flooring and other flooring types
  • Interior and Exterior Painting

Enduring Color, Reliable Protection

Painting & Façade Waterproofing

Protect and refresh building exteriors. Painting and waterproofing extend life and modernize appearance.

  • High-performance waterproofing systems
  • Façade painting & protective coatings
  • Surface preparation & restoration
  • Structural crack sealing & repair
  • Color refreshes & modern updates

Crafting Spaces that Inspire Stay

Hotel & Hospitality Construction

Specialized builds for hotels and resorts. Fast, high-standard renovations for guestrooms, lobbies, restaurants, and amenities

  • Guestroom renovations & upgrades
  • Lobby & common area transformations
  • Restaurant & amenity space builds
  • Fast-track renovation programs
  • Specialty finishes for luxury standards

Rapid Response, Reliable Recovery

Water & Storm Damage Restoration

Rapid response to water and storm damage. We extract, dry, remediate, and restore properties safely.

  • Emergency water extraction
  • Advanced structural drying
  • Mold & moisture remediation
  • Storm damage cleanup & repair
  • Full restoration & rebuild services

Crafting Spaces that Inspire Stay

Other Services

Reliable construction support. From light repairs to maintenance, we provide flexible solutions.

  • Flexible Construction Solutions
  • Disaster & Restoration
  • General Repairs
  • Condominiums
  • Office Upgrades
  • Rapid Services
  • White Box Delivery

Crafted to Perfection

Finishes

  • High-Quality Finishes
  • Wall and Ceiling Systems - drywall, partition walls, acoustic panels, and suspended ceilings
  • Flooring Systems - tile, pavers, epoxy flooring and other flooring types
  • Interior and exterior painting

Onsite Specialty Contractors

Our Projects
Contact Us
Facebook Instagram Linkedin
Iconic Mark White

Onsite Specialty Contractors is a premier subcontractor specializing in construction services in Puerto Rico

1666 Ave Ponce de León
San Juan, PR 00909

Copyright © 2025 OSCGPR, All rights reserved.