Public engineering firm profile
Saint Louis, MO
A St. Louis-Based Multifaceted Civil Engineering Practice
Hart Engineering, LLC is a St. Louis-based civil engineering practice established in 2007 by Paula M. Hart, P.E., LEED AP. It provides civil engineering services to developers, architects, and public agencies in the areas of site development, utility and sewer design, transportation design, and asset management. Its professional team is licensed across multiple states, serving both public and private sectors.
It delivers engineering solutions for public and private roadway infrastructure, from initial planning to construction completion.
It manages the complete lifecycle of sanitary, storm, and utility systems, including agency permitting and regulatory compliance.
Hart Engineering provides site planning and civil design services to transform raw land or existing properties into functional developments.
It helps municipal and private operators document, map, and assess the condition of physical utility and civil infrastructure.
Sunset Hills, MO | City of Sunset Hills, Missouri | Highways & Roads
This project involved 1.5 miles of mill and overlay, widening, sidewalk additions, and a new storm sewer design. To fulfill Metropolitan St. Louis Sewer District requirements, the design incorporated rain gardens as water quality facilities along the widened roadway.
View project sourceWeldon Spring, MO | City of Weldon Spring | Highways & Roads
Hart Engineering performed utility coordination, addressed agency comments, and conducted drafting as a subconsultant. The project featured 900 linear feet of three-lane roadway extension, a trail, sidewalks, curb and gutter, a retaining wall, and stormwater design.
View project sourceDeSoto, MO | City of DeSoto, Missouri | Highways & Roads
Hart Engineering served as a subconsultant on this roadway improvement project. The scope involved utility coordination, drafting, and addressing agency feedback.
View project sourceSt. Louis, MO | City of St. Louis, Missouri | Stormwater & Flood Control
Replacement of brick and patched pavements with permeable pavers across three alleys south of Tower Grove Park. The pervious pavement reduces stormwater runoff entering the combined sewer system, increasing pipe capacity and mitigating local flooding risks.
View project sourceWebster Groves, MO | Metropolitan St. Louis Sewer District | Stormwater & Flood Control
Hart Engineering acted as the primary consultant for storm water upgrades in a residential area of Webster Groves. The design proposed a new storm sewer alignment to alleviate residential flooding, navigating challenges such as utility conflicts, mature trees, and tight spacing between homes.
View project sourceMissouri River Wastewater Treatment Facility | Metropolitan St. Louis Sewer District | Wastewater
As a subconsultant on an on-call professional engineering contract, Hart Engineering designed a supplementary 8-inch water main and a 6-foot flood protection berm at the Missouri River Wastewater Treatment Facility.
View project sourceSouth St. Louis County, MO | Metropolitan St. Louis Sewer District | Stormwater & Flood Control
Hart Engineering served as the primary consultant for four distinct stormwater improvement projects in South St. Louis County. The engineering designs, specifications, and cost estimates targeted the alleviation of structure and yard flooding.
View project sourceGlendale, MO | Metropolitan St. Louis Sewer District | Wastewater
An investigation and remediation project involving private inflow and infiltration source disconnection across approximately 2,300 properties in the Deer Creek Watershed. The project also required the rehabilitation or replacement of 250 private laterals and the design of five separate storm sewer systems.
View project sourceDes Peres, MO | West County Dentist | Commercial
Civil engineering design for a commercial development. Key deliverables included site plans for the Planning and Zoning board, conditional use permit coordination, building addition planning, parking expansion design, and storm sewer upgrades.
View project sourceChesterfield, MO | Wild Horse Bluffs | Residential
Civil engineering and site planning for an eight-lot residential subdivision. The project scope featured planning and zoning presentations, storm and sanitary sewer design, grading, retaining walls, and roadside sidewalk integration.
View project sourceSt. Louis, MO | St. Louis Zoo | Parks & Open Space
Hart Engineering performed a civil and site engineering infrastructure assessment across the entire zoo grounds. The analysis evaluated existing civil networks to help plan and prioritize funding for the zoo's capital campaign.
View project sourceSaint Louis, MO | Metropolitan St. Louis Sewer District | Wastewater
A collaborative assessment of an extensive sewer and stormwater infrastructure network. Tasks included field evaluations for location and connectivity, CCTV video reviews, and GIS data updates to provide a prioritized capital improvement plan.
View project sourceFounder & Principal Engineer
P.E., LEED AP
Paula Hart is the Principal and Owner of Hart Engineering, LLC. She is licensed in civil engineering in both Missouri and Illinois and holds a Bachelor of Science Degree in Civil Engineering from the University of Missouri-Rolla. Her extensive background includes coordinating civil engineering projects with owners, permitting agencies, teaming consultants, utility companies, and contractors across site development, transportation, and utility sectors.
Civil Engineer
P.E.
Sara Lesire brings a diverse civil engineering background to the practice, with active professional engineering licenses in Missouri, Iowa, Nebraska, Colorado, Utah, Montana, Wyoming, Virginia, Massachusetts, and New York. Her expertise spans sewer design, utility coordination, cost estimating, field inspections, value engineering, code compliance, and civil infrastructure evaluation.