James Down Towers Modernization Project

James Down Towers Modernization

Owner: Southern Nevada Regional Housing Authority (SNRHA) $51,998,978

Built in 1972, the James Down Towers senior housing development underwent a $52 million modernization led by Cobblestone Construction in partnership with the Southern Nevada Regional Housing Authority. The four-tower, 229,997 SF campus was transformed into 200 fully renovated, energy-efficient one- and two-bedroom units, including ADA-compliant layouts, while maintaining full occupancy throughout construction. Upgrades included curtainwall replacement, plumbing and electrical system redesigns, rooftop photovoltaic systems, and accessibility improvements, as well as new community amenities such as a fitness/wellness center, library/computer room, salon, shuffleboard court, picnic areas, and dog park. Despite challenges including hazardous materials, infrastructure deterioration, and design revisions, the project was completed in July 2025, delivering safe, affordable, and sustainable housing that strengthens community resilience and provides seniors with dignified, modern homes.

Harry Reid International Airport Terminal 3 Security Door System Installation

Project Duration: September 2, 2025 – April 30, 2026

This project is located at Harry Reid International Airport, Terminal 3 (Level 2). The work involved installing a new two-lane security door system in a corridor adjacent to the existing security screening area.

The scope included removal of existing finishes, partitions, and equipment, followed by installation of new finishes, walls, and a Dormakaba automated security door system.

The system consists of two lanes, each enclosed within a dedicated security tunnel approximately 21 feet 8 inches in length. Each tunnel is equipped with two full-height automatic doors and two half-height swing gates per lane, along with integrated camera sensors for people and object detection.

The doors are designed to allow passengers to exit from the secure (airside) area to the non-secure (landside) area while preventing entry in the opposite direction. Similar systems are deployed throughout the airport to maintain safe, one-way passenger flow.

Harry Reid International Airport Monument Signage

Owner: Department of Aviation Project Cost: $4,512,000

Project Scope: Modification and renovation of existing International Airport Signage with modernized automated electric signage with remote control access at the Harry Reid International Airport. The signs are located on the corners of Tropicana Ave & Koval Lane and Tropicana Ave & Paradise Road. These signs were modified to reflect the name change of the airport from McCarran International Airport to Harry Reid International Airport. Site Landscaping and irrigation were also updated during this project, with automation and xeriscaping designed to reduce water consumption.

Las Vegas Health and Wellness Center

Owner: City of Las Vegas | Project Cost: $6,451,000

Project Scope: This 9,000 GSF new building was constructed of masonry, steel, structural wood framing, and an EIFS exterior finish, a decorative fence, and wall around the perimeter. Incorporating an elevator to access the two levels, showcasing a second-floor outdoor terrace with an exterior exit stairwell. Site demolition included on-site and off-site improvements, landscaping, and on-site parking.

Ernest & Betty Becker Family Technology and Recreation Park

Owner: City of Las Vegas | Project Cost: $5,641,587

Project Scope: Project includes construction of a new 5,800 SF Community Center with attached 568 SF Park Restroom Building, new parking lot, basketball court, new drinking fountain, park renovations, turf areas, landscape, unique playground equipment, walking paths and site improvements for handicapped accessible concrete walkways, extend the existing utilities (water, sewer, and electrical lines). Demolition of curb and gutter, installation of new curb and gutter patch and repair of any offsite asphalt and road base.

Vegas Verde Elementary School

Owner: Clark County School District | Project Cost: $6,150,000

Project Scope: The project consists of a new 18 classroom free standing addition to Vegas verdes Elementary School. The new addition is approximately 31,021 of sf and is along the west side of the property. A new bus drop off area to fit 11 buses is included and is located west of the new addition accessed from Altos Street. The site includes a new parking area along the south side of the existing building which is an expansion to the existing parking area currently serving the facility. The site will also receive a new trash enclosure serving the entire faculty along with a new play & shade structure and a new exterior basketball court.

Clark County Water Reclamation District – Collection Systems Service Facility

Owner: Clark County Water Reclamation District | Project Cost: $6,990,000 | Project Duration: 345 days

Project Scope: Construction of a 12,000 square foot engineered building with a mechanical mezzanine that is finished within as offices, locker room facilities, shower rooms, and ADA accommodations. Site work included two drive entries into the site and a 140,000 sq. ft. paved public and fleet parking lot. Landscaping, drainage swales, and all paving work is concrete. This project also includes storm water lines from the Maintenance Support Buildings and other areas.

Creech AFB – Wing Headquarters

This project was part of the U.S. Air Force and U.S. Army Corps of Engineers program to build up the mission capabilities of the 432d Wing. The 432d Wing is charged with remotely flying the MQ-1 Predator and the MQ-9 Reaper aircraft on worldwide missions. These aerial systems give combat commanders real time information on their targets. The new high-tech facility has 22,000 square feet of space. This building doubles the size of the original unit.

This was a design/build project. The construction consisted of a pre-engineered building, with no angles, rectangular in form with reinforced foundation and floor slab, structural steel frame, metal exterior walls, standing seam metal roof, fire detection/protection system to include storage tank, special security enhancements, utilities, site improvements, landscaping, roads/parking, communications support electrical infrastructure upgrade and all other necessary support.

At the end of construction a unique feature was added to the lobby area, it was the MQ-1 Predator suspended to the ceiling. Construction on this building started on December 2009 and completed in October 2010.

Martin Luther King Jr. – Early Childhood Development Center

The Early Childhood Development facility centers on promoting early education and interactive skills for pre-school aged children. As such, the Clark County Nevada, Department of Real Property Management, invested millions of dollars to design a state of the art facility. This 17,500 square feet single story building includes several individualized classrooms, garden areas, breezeway, and playground facilities. Additional construction included concrete slab on grade, full site utilities, landscaping, off site roadwork, and parking lot construction.

City of Las Vegas – Traffic Signal Repair Shop

The Traffic Signal Repair Shop is the main facility that controls the traffic on the Las Vegas city streets. Within the facility, the City of Las Vegas manages the traffic signal systems, maintenance, repair, fixtures, and testing of equipment. Originally housed in an old fire station, this project required the total demolition and rebuild of the facility. It included constructing a new 7,500 sq. ft. building with a TPO roofing system over metal decking and steel joists. The walls were colored CMU and stucco, EIFS, anodized aluminum windows and doors with internal metal stud/gypsum wall system. Included were acoustical ceilings, hard lid soffits with appropriate lighting, fire sprinklers and control systems. Site work included vehicle parking, access drives, patio, loading area and all utility work.