COMPANY PROFILE PRINCIPALS G&S SERVICES

Based in San Carlos, California, Gonsalves & Stronck is a construction management and general contracting firm serving both the public and private sectors in the Greater San Francisco Bay Area. Our emphasis is on office improvements, research laboratories, seismic retrofit, essential services facilities, renovations and education facilities with construction values ranging from $50,000 to $25 million.

Whatever the project size or scope, Gonsalves & Stronck is dedicated to providing clients with the most efficient and innovative building techniques and comprehensive project management while ensuring the highest quality and greatest value for every dollar spent.


With over twenty years experience in the construction industry, William Stronck has served in a variety of capacities including Senior Estimator, Area Project Manager, Project Engineer, and Conceptual Designer for several prominent design and general contracting firms in California.

From biotech research laboratories to aquatic complexes, Bill has successfully managed more than $350 million in construction projects without claim or litigation. Highlights include UCSF’s Medical Library, Kezar Stadium, Department of Water and Power in Los Angeles, Koret Vision Research Center and San Jose’s Century Plaza.

Whether as President or Project Manager, Bill enjoys direct involvement in some aspect of every project at Gonsalves & Stronck Construction. Clients benefit from his expertise in pre-construction services, conceptual estimates, value engineering, field construction operations and the competitive bid process.

Bill is a graduate of the School of Architecture of Environmental Design at California Polytechnic State University, San Luis Obispo with a Bachelor of Science degree in Construction Management.

Over the length of his twenty-year career in the construction industry, Keith Gonsalves has managed more than $300 million in projects including manufacturing facilities, laboratories, office and tenant improvements, pharmaceutical, seismic retrofit, hospitals, airport facilities and fire stations, with such notable projects as ICI America, McCarren International Airport, Amdahl Corporation and San Francisco General Hospital’s Aids Research Facility.

Drawing from a rich background in competitive estimating and broad-ranging management experience, Keith excels in the aggressive bid environment that is characteristic of the public works arena, while also providing critical value-engineering analysis and cost savings services to our clients in the private sector.

As Vice President and Project Manager at Gonsalves & Stronck Construction, Keith enjoys and participates in all phases of pre-construction and construction management including conceptual estimates, cost control, value engineering, budget development, accelerated schedules and procurement.

Keith holds a AAS degree in Building Technology from Wentworth Institute of Technology, Boston, Massachusetts and a Bachelor of Science degree in Building Construction from Arizona State University, Tempe, Arizona.
Through our pre-construction management services Gonsalves & Stronck provides the client with vital and timely information along with thorough analysis in regards to materials, equipment, systems and schedules. This comprehensive commitment early on allows our project team to make the best and most informed decisions for each aspect of a project while keeping consistent with the client’s budget and expectations.
    Pre-Construction Services Include:

  • Estimating & Value Engineering
    Even with the most conceptual of drawings, G&S can provide creative solutions for issues with budget, constructability and schedule constraints while also exploring alternative methods and materials that could potentially reduce a project’s overall cost.


  • Design Development Schedule
    G&S develops detailed, yet easily understood project schedules that graphically display the major milestones of the project.
  • Solicitation & Procurement of Subcontractors
    Following the generation and distribution of bid packages, G&S performs a thorough assessment of proposals from a pool of pre-qualified subcontractors and presents recommendations to the design team and client.

Gonsalves & Stronck remains committed to the project and the client throughout the duration of the actual construction phase. In our leadership role as the project's General Contractor/Construction Manager, Gonsalves & Stronck is responsible for ensuring that the work constructed represents what is called for by the plans and specifications and that it is completed in a safe and timely manner with the utmost attention to quality.

    Construction Services Include:

  • Quality Control
    With the client and design team, G&S establishes the acceptable standard for each portion of work. Pre-job conferences with the various trades, special inspectors, and product manufacturers are held to ensure proper coordination and installation at the highest level of quality and within code conformance.
  • Schedule Control
    G&S develops detailed, CPM master schedules that clearly depict the project’s proper flow of work and sequencing. Individual work activities and on-going progress are further monitored in the preparation of our rolling, 4-week schedules, which are reviewed and updated with the major subcontractors and project team during weekly jobsite coordination meetings.
  • Project Administration
    All projects are staffed with full-time supervision along with appropriate support personnel in both the field and home office to direct and facilitate the everyday activities of a project, some of which include:
    -Logging & reviewing all shop drawings, product data and other required submittals
    -Timely review and processing of Requests for Information (RFI’s)
    - Review and validation of subcontractor change order estimates
    - Enforcement of safety procedures and weekly on-site safety meetings
    - Continual monitoring of all trades for compliance with plans and specifications
    - Procuring warranties, product data, as-built drawings and other appropriate materials for final submission to the client upon completion
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