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Business Details
14 Years
experience
Your Trusted General Engineering Contractor in San Francisco
Fontenoy Engineering, established in 2012, is a skilled General Engineering Contractor with decades of combined expertise in underground utility construction across San Francisco and the Greater Bay Area. Our team specializes in delivering safe, timely, and cost-effective projects through highly skilled labor and technical precision. We maintain rigorous safety standards, employing a dedicated safety consultant and ensuring OSHA-certified foremen on all projects. As a union contractor, we partner with Laborers and Operating Engineers unions to provide a qualified workforce that meets San Francisco City and County contractual goals.

Our certificationsincluding LBE General Contractor (A), SBA-LBE (C-27, C-31), and SB-PWdemonstrate our commitment to quality and compliance. With over 200 completed public works contracts, we prioritize client confidence through licensing, bonding, and insurance. Our hyperlocal focus on Bay Area infrastructure needs enables tailored solutions for complex challenges in utilities, airports, hospitals, landscapes, and marine environments.
Services
Utilities Projects Airport Projects Hospital Projects Landscape Projects Marine Projects
Details
  • Year established: 2012
Highlights and features
  • We offer 40+ years of combined expertise in Bay Area infrastructure projects.
  • Our team maintains a proven safety record with OSHA-certified foremen.
  • We provide technical precision through union-certified labor partnerships.
  • Our adaptive solutions address complex challenges in urban environments.
  • We hold multiple certifications ensuring compliance with local regulations.
Associations and certifications
  • LBE General Contractor (A)
  • SBA-LBE (C-27)
  • SB-PW Certification
Services
Utilities Projects
We design and construct water, gas, and power infrastructure systems that power communities and industries. Our expertise includes sewer main replacements, groundwater supply expansions, and industrial waste systems. Projects like the Potrero Power Station demolition and Pacheco Street Water Main Installation demonstrate our ability to upgrade critical infrastructure while minimizing community disruption.
Airport Projects
We deliver safe and efficient airport infrastructure solutions, including runway reconstructions, storm drain systems, and terminal utilities. Our work at SFOincluding GBAS infrastructure and Storm Drain Pump Stationsensures compliance with aviation safety standards while enhancing operational efficiency through aircraft-rated catch basins and advanced drainage systems.
Hospital Projects
We specialize in hospital infrastructure upgrades that prioritize patient safety and accessibility. Projects like the UCSF Parnassus Campus BRAB and SFGH Potrero Ramp ADA compliance work demonstrate our ability to install complex utility systems while maintaining operational continuity in healthcare environments through chilled water systems and ADA-compliant pathways.
Landscape Projects
We create sustainable outdoor environments through green infrastructure and community garden projects. Our Mission Bay Parklab transformation and Sunol Alameda Creek Watershed enhancements showcase expertise in rainwater harvesting systems, stonework, and ADA-compliant recreational spaces that balance ecological needs with public access.
Marine Projects
We construct durable marine infrastructure solutions for stormwater management and coastal resilience. Projects like the Pier 94 Backlands headwall and North Point Outfall installations demonstrate our ability to work in challenging maritime environments with custom-fabricated air vents and reinforced concrete structures that withstand harsh conditions.
Questions
What types of projects does Fontenoy Engineering specialize in?
We specialize in utilities, airports, hospitals, landscapes, and marine infrastructure projects across the San Francisco Bay Area.
Are your teams certified for safety compliance?
All our foremen are OSHA-certified, and we employ a dedicated safety consultant to maintain the highest industry standards.
Do you work on public infrastructure projects?
Yes, we've completed over 200 public works contracts with agencies like the San Francisco Public Utilities Commission and SFO.
What certifications does Fontenoy Engineering hold?
We maintain LBE General Contractor (A), SBA-LBE (C-27, C-31), and SB-PW certifications for California projects.
How do you handle complex urban infrastructure challenges?
Our union-certified teams use adaptive solutions and technical precision to minimize disruptions in densely populated areas.
What service areas do you cover?
We primarily serve San Francisco and the Greater Bay Area, with experience in regional infrastructure needs.