Warren Brothers is a self performing general contractor. We do new projects and renovations.

Prince George’s Police Plaza

Location: Upper Marlboro, MD
Owner: Prince George’s County
Overview: Multi-floor renovation and modernization of nearly 38,000 SF in a county government building, including garage, exterior, and entry areas. Warren Brothers served as General Contractor for complete interior renovation including demolition, buildout, and installation of major mechanical, electrical, and life safety systems.

Sydney R. Yates Federal Building

Location: 201 14th St SW, Washington, DC
Owner: General Services Administration (Tenant(s): U.S. Forest Service)
Overview: Renovation and modernization of heating and cooling systems in an historic federal government building to improve energy efficiency and eliminate overheating of IT closets. The project involved redesign and installation of an efficient, distributed system of smaller, more energy efficient units, new condensers, and piping, managed by modern building controls.

Ascend Apollo

Location: 9400 Grand Boulevard
Largo, MD 20774

Owner: Peter NG Schwartz Development Company
Overview: As a key subcontract partner to Hensel Phelps, Warren Brothers supplied and installed hardscapes, landscaping and plantings, site accessories, and site furnishings for 850-unit luxury apartment and mixed-use community at Largo Town Center.

MGM National Harbor

Location: Oxon Hill, MD
Owner: MGM Resorts International
Overview: Warren Brothers has been retained as an On-Call General Contractor to perform a wide range of construction, repair, and renovation work to maintain the 1.4B resort center. Warren Brothers evaluates and develops project scope, timelines, and work schedules; selects and manages subcontractors; and coordinates and communicates with tenants about work.

HUD Headquarters

Location: Robert C. Weaver Federal Building
451 Seventh Street SW
Washington, DC

Owner: General Services Administration
Overview: A project to deliver structural repairs in the penthouse floor of the 10-story, historic 1.44 million SF federal agency headquarters office building using the Construction Manager at Risk (CMR) method of delivery. Warren Brothers reinforced the penthouse concrete slab after the chillers caused fatigue and failure.

The Senator Paul Sarbanes Silver Spring Transit Center

Location: Silver Spring, MD
Owner: Washington Metropolitan Area Transit Authority (WMATA)
Overview: A project to deliver specialty construction services in support of the General Contractor, the Foulger Pratt Companies. Scope of work included design, fabrication, and installation of prominent site features and components ranging from a large custom metal entrance mat to custom bamboo, metal, and stone cabinets, as well as restroom fixtures, accessories, and partitions.

Walter Reed National Military Medical Center (WRNMMC) Bethesda Transient Wounded Warrior Lodge

Location: Bethesda, MD
Owner: Naval Facilities Engineering Command (NAVFAC)/Tetra Tech, Inc.
Overview: A project serving as a key subcontractor to prime contractor Tetra Tech, performing general construction, carpentry, maintenance, and repair for a 200-room, apartment-style facility serving America’s wounded warriors.

E. Barrett Prettyman U.S. Courthouse

Location: Washington, DC
Owner: General Services Administration
Overview: A project to upgrade and modernize the fire alarm systems in a historic 628,000 SF federal courthouse.Scope of work included design and installation of wireless smoke detectors throughout the courthouse building. Warren Brothers worked at night and cleaned work areas at the end of shifts to avoid any interruption of judicial services.

Hard Bargain Farm Cabins

Location: Accokeek, MD
Owner: Alice Ferguson Foundation
Overview: A project in which Warren Brothers served as general contractor to construct two new cabins, bio-retention areas, and perform site work ona 330-acre campus serving elementary and middle school students. Design and construction factored in significant sloping across the campus, extremely constrained work sites, and location across the Potomac River from historic Mount Vernon. Delivery included design and installation included water-proofing for basement mechanical systemsdue to an underground stream.

Byrne Green Federal Complex

Location: Philadelphia, PA
Owner: General Services Administration
Overview: Warren Brothers handled the demolition and replacement of the control system to two air handler units at the facility and upgraded the control panel while serving as the subcontractor to the GC, Raven Services.

Avalon Elementary School

Location: Fort Washington, MD
Owner: Prince George’s County
Overview: A project serving as a key subcontract partner in a school renovation project. Warren Brothers provided construction masonry services for the General Contractor, Coakley & Williams Construction, including installation of block support for the building and infill concrete support for the masonry structure.

New Mixed-Use Residence Hall

Location: Baltimore, MD
Owner: Morgan State University
Overview: A project performed as an Associate Partner with Gilbane Building Company. Currently underway, this effort will construct a new multi-use high rise residence hall for students, and then demolish an obsolete apartment complex to create a new recreational and green space adjacent to the new residence hall.

Towne Square at Suitland Federal Center

Location: Hillcrest Heights, MD
Owner: Prince Georges County Redevelopment Authority (RDA)
Overview: A project to create a new pedestrian-friendly neighborhood on a 25-acre parcel adjacent to the Suitland Federal Center metro station. It is designed as a vibrant mixed residential, retail, and cultural arts community. Warren Brothers is providing finish grading for the site and constructing exterior hardscape features, installing site utilities, and installing landscape features and plantings for the new community.

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