United Civil Inc

Land Planning and Master Planning.

Website

About the firm

United Civil, Inc. is a full-service planning, engineering, and surveying consulting practice specializing in utility engineering and land development design. Established in August 2014, United Civil, Inc. provides planning and engineering services across Southern California from offices in Agoura Hills and South El Monte. Its portfolio includes residential, commercial, municipal improvement, and school development projects. Its technical team includes registered professional engineers holding advanced civil engineering degrees who provide hands-on management for a wide range of public and private sector clients.

Established
2014
Firm type
Civil Engineering · Land Surveying · Water / Wastewater Engineering

People

Anthony NgPrincipal and partner

Christopher NeoPrincipal and partner

John T. LuongProject Engineer

Matt SawyerProject Manager

Josephine NgoonSenior Project Engineer/Manager

Capabilities

Land Planning

Service website

Provides initial site evaluation and layout strategies to optimize land usage for various development types.

  • Master Planning

    Establishes long-term layout frameworks and land-use strategies for master-planned communities and institutional developments.

Acquires and maps precise site coordinates to support design, boundary definition, and construction execution.

  • Land Surveying

    Performs statutory land surveying activities to locate, map, and establish property boundaries.

  • ALTA Survey

    Prepares detailed property maps meeting the rigorous standards established by the American Land Title Association and National Society of Professional Surveyors.

  • Boundary and Design Survey

    Establishes legal property lines and documents existing physical features to facilitate design processes.

  • Construction Staking

    Marks engineering and architectural layout lines on the physical site to guide construction crews accurately.

  • Soldier Pile Monitoring

    Tracks the stability and movement of shoring and soldier piles during complex subterranean construction phases.

  • Mapping

    Produces detailed geographic and spatial maps for planning and design applications.

Designs terrain modifications to ensure proper drainage, site stability, and structural support.

  • Rough Grading

    Establishes the fundamental shape, slope, and elevation of a construction site prior to detail work.

  • Precise Grading

    Finishes the site elevations with high accuracy to direct surface runoff and prepare for final paving and structural slabs.

Civil Infrastructure

Service website

Designs and coordinates essential public and private utility and roadway systems to support new developments.

  • Street Design

    Develops plans for roadway layouts, intersections, street lighting, and associated public improvements.

  • Utility Engineering

    Coordinates and designs complex utility networks, aligning new layouts with existing regional grids.

  • Inspection Services

    Provides field evaluations and compliance monitoring to ensure construction aligns with approved engineering designs.

Water and Wastewater Engineering

Service website

Designs comprehensive distribution and collection networks to manage clean water supply and sanitary sewage.

  • Water System Design

    Designs main water lines, distribution networks, and pressure-regulating systems to ensure reliable clean water supply.

  • Water System Modeling

    Analyzes system capacity, flow dynamics, and pressure characteristics using advanced hydraulic simulation tools.

  • Sewer Design

    Designs sanitary sewer mains and gravity flow collections systems to transport wastewater safely.

  • Sewer Lift Stations

    Engineers specialized pumping stations to transport sewage across varying elevations and challenging topography.

Stormwater Management

Service website

Develops integrated systems to control surface runoff, prevent erosion, and protect water quality.

  • Hydrology

    Analyzes rainfall runoff patterns and designs conveyance channels, culverts, and detention basins.

  • Storm Drain Design

    Designs gravity-fed drainage pipes, catch basins, and outlets to prevent local flooding.

  • Storm Water Prevention and Protection Plan (SWPPP) Design

    Prepares storm water pollution prevention plans and conducts field inspections to maintain regulatory environmental compliance.

Industries

Commercial · Multifamily Residential · Residential · Senior Living · Education · Infrastructure · Land Development · Affordable Housing · Mixed-Use

Projects

Westside High School

Riverside County, CA · Education

Project details

Engineering and design services for a new 58-acre high school campus in Riverside County.

Avanti

Calabasas, CA · Mixed-Use

Project details

Civil engineering and site design for a mixed-use commercial and residential development including apartments and townhomes. Scope included planning studies, storm drain design, retaining wall plans, precise grading, and survey mapping.

Del Rey Apartments

Marina del Rey, CA · Multifamily Residential · Client: TriCal Construction

Project details

Civil design and construction support services for a multi-family residential apartment development.

United Civil Inc - Engineering Firms