UrbanBiology LLC provides professional design and planning services with a mission to rebuild urban places in a restorative manner. Working at a range of scales, from sites and neighborhoods to towns and urban infrastructure, UrbanBiology focuses on making legible and livable environments from fragmented, marginal and degraded urban settings. Our work reconnects and builds places with emphasis on green infrastructure, multi-modal transportation systems, economic viability and cultural sensitivity.

UrbanBiology LLC is led by Marita Roos RLA, AICP, LEEDAP a landscape architect and urban planner with expertise in sustainable site design, placemaking, civic engagement, ecological restoration and historic preservation. Our clients are local, state and federal governments, transportation and natural resource authorities, schools and universities, institutions and community organizations.

UrbanBiology LLC is a registered small business and a SBE/WBE/DBE with the South Texas Regional Certification Agency.

Qualification packages are available on request.

Professional services offered through UrbanBiology are:
  • Community planning and civic engagement
  • Green infrastructure planning and project design
  • Institutional master planning and program development
  • Site and landscape design for sustainability
  • Ecological restoration design and management guidelines
  • Historic preservation and cultural resource management
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info@urbanbiology.net | 215.870.8990 
1201 Braddock Place #1113  Alexandria VA 22314