Neff & Associates provides innovative professional site engineering services for a wide range of projects. Our office works closely with the Client, Architects and other design consultants in developing construction documents and assists the owner and their representatives in obtaining the necessary local and state governmental approvals.

Residential Subdivisions | Commercial Developments | Industrial Developments | Mixed-Use Developments

Municipal Complexes | Educational Facilities | Healthcare Facilities | Stormwater Management Reports & Analysis

Sanitary Pump Stations | Expert Testimony | NPDES Site Monitoring | Post Construction Stormwater Management Reports

Stormwater Pollution Prevention Plans & Inspections Reports | Construction Administration | Bidding Documents


Neff & Associates provides creative, interesting, ecologically conscious, & cost effective landscape architecture services for a vast array of projects. Our office prides itself on developing innovative site design solutions for its clients through the thoughtful integration of function, aesthetics, and sustainability.

Landscape Design | Hardscape Design | Signage | Streetscape | Athletic facilities

Wetland & Stream Mitigation | Stormwater BMP’s | Presentation graphics


Neff & Associates has been providing high quality surveying services since the company was founded in 1939. 

Boundary & Topographic Surveys | ALTA/ACSM Land Title Surveys | Mortgage Location Surveys | Construction Staking

Lot Split Surveys | Lot Consolidation Surveys | Subdivision Plats | Legal Descriptions and Exhibits

Neff & Associates provides site planning services for various types of developments including new developments on vacant property, expansion, and redevelopment of existing properties. 

Residential Subdivisions | Commercial Developments | Recreation Facilities

Industrial Developments | Office Complexes | Mixed Use