Profile Completeness — 50%
InterAgency Inc. Unclaimed
InterAgency Inc. provides planning, environmental consulting, and regulatory coordination for infrastructure and resiliency programs in the Nation’s Capital. Since 2011, it has served engineering, development, and construction clients on public infrastructure and large-scale private development.
Credentials & Experience
Coverage Area
greater Washington, D.C. metropolitan area
Additional Details
- Years of Experience
- 15 years
- Service Types Offered
- Regulatory Compliance
Review Sentiment
↑positive92%The description conveys a strongly positive sentiment, highlighting InterAgency Inc.’s extensive experience, certifications, and leading role in regulatory coordination and sustainable infrastructure services.
Review Highlights
"WE ARE THE PREMIER PROVIDER OF REGULATORY COORDINATION SERVICES IN THE GREATER WASHINGTON, D.C. METROPOLITAN AREA"
"COLLECTIVELY, OUR TEAM HAS OVER 100 YEARS OF EXPERIENCE IN ENVIRONMENTAL SCIENCE, A & E DESIGN, AND CONSTRUCTION MANAGEMENT"
"We are a small company with a big footprint"
"InterAgency is certified by City, State, and Federal authorities to collaborate on the region’s largest development projects"
Location
80 M Street SE, Suite 100, Washington, DC 20003
Request a Quote from InterAgency Inc.
Quote Request Sent!
Your request has been sent to InterAgency Inc.. They'll reply to you directly; response times vary by provider.
Something went wrong. Please try again.
Have you worked with this business? Leave a review
Leave a Review for InterAgency Inc.
Review Submitted!
Thank you for your feedback. Your review will be published after verification.
Something went wrong. Please try again.
Sponsored
Want to appear above your competitors?
Get FeaturedPremium placement · Priority visibility · Sponsored badge
Environmental consultant Resources

The Complete Guide to Environmental Consultants
A $3,000 environmental consultant can prevent $40,000+ in remediation surprises — here's what to look for in credentials, costs, and red flags before you hire.

9 Common Environmental Consultant Mistakes (And How to Avoid Them)
A missed Sanborn map turned a clean Phase I into a $180K remediation bill — here are 9 environmental consultant mistakes that sink acquisitions.

Environmental Consultant Costs by State: Where You'll Pay More (And Less)
Environmental consultant costs vary 40–60% by state — same Phase I ESA, $2,600 price gap. See which markets overprice and where to stretch your budget.
Looking for more? Browse our full resource library or find environmental consultants in other cities.
Stay Updated
Pricing data and tips for choosing a provider.
Free. Unsubscribe anytime.
Get a free quote from InterAgency Inc.