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.

Aggie Roberts Elementary School Comprehensive Modernization

Project Cost: $13,304,260
Project Duration: June 10, 2024 – September 18, 2025

The Comprehensive Modernization of Aggie Roberts Elementary School was a large-scale renovation that upgraded critical building systems, improved energy efficiency, and enhanced the learning environment for students and staff. The scope included the full replacement of HVAC equipment and the energy management and building automation control system, along with a new electrical room and telecom room buildout. Existing cast iron plumbing vent pipes, plumbing fixtures, and water heaters were replaced. Lighting throughout the school was upgraded with energy-efficient LED fixtures, while all low voltage systems, including security CCTV, intrusion detection, Wi-Fi, and other technology infrastructure were modernized. The existing built-up roof was recovered with an 80-mil PVC system to ensure long-term durability.

Interior enhancements included the replacement of doors and hardware, removal and reinstallation of ceiling systems, repainting of high-traffic areas, and targeted classroom refreshes to restore surfaces following device removals. Additional upgrades included modernizing the faculty lunchroom and updating bathroom finishes for improved functionality and aesthetics. Exterior improvements focused on re-caulking and repainting key building sections to enhance weather resistance and boost curb appeal.

Together, these comprehensive upgrades have extended the facility’s lifespan, fostering a safer and more sustainable learning environment, and bringing the school in line with contemporary educational standards.

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.

Zel and Mary Lowman Elementary School

Owner: Clark County School District | Project Cost: $7,070,000

Project Scope: The project consists of a new 22 classroom free standing addition to Crestwood Elementary School. The new addition is approximately 35,434 sf along the Northeast corner of the property. The site will also include the addition of 2 exterior basketball courts and an expansion of the existing parking area to provide additional parking for the faculty.