# Maryland Procurement Portal #AX6105782

Maryland State Highway Administration seeks design-build services for MS4 Impervious Surface Restoration Credits across multiple counties.

**Posted:** September 25, 2026
**Respond By:** October 28, 2026
**Identifier:** AX6105782
**NAICS:** 237310, 237990, 562910

The Maryland State Highway Administration (SHA), under the Maryland Department of Transportation, is seeking proposals for the delivery of MS4 Impervious Surface Restoration Credits (ISR Credits) across multiple Maryland counties.
- Government Buyer:
  - Maryland State Highway Administration (SHA), Maryland Department of Transportation
- Scope of Work:
  - Comprehensive planning, design, permitting, construction, property rights acquisition, post-construction monitoring, maintenance, and adaptive management for impervious surface restoration
  - Projects span multiple counties: Anne Arundel, Baltimore, Carroll, Calvert, Cecil, Charles, Frederick, Harford, Howard, Montgomery, Prince George’s, Queen Anne’s, Washington, Wicomico, and St. Mary’s
- Products/Services Requested:
  - Design-build services for MS4 Impervious Surface Restoration Credits (ISR Credits)
- Unique/Notable Requirements:
  - Socio-economic participation criteria are required
  - Offerors may submit proposals for all projects or for individual projects
  - Multiple awards may be made under this solicitation
- OEMs and Vendors:
  - No specific OEMs or vendors are named in the solicitation
- Estimated Contract Value:
  - Approximately $75 million total for all awards

### Description

The Maryland State Highway Administration is soliciting proposals for the delivery of MS4 Impervious Surface Restoration Credits. The project scope includes planning, design, permitting, construction, property rights acquisition, post-construction monitoring, maintenance, and adaptive management for watersheds within the MS4 area across multiple counties. Proposers may submit a single proposal for all projects or individual proposals for each project. The Administration may award multiple projects with a total value of approximately $75 million.

[View original listing](https://emma.maryland.gov/page.aspx/en/bpm/process_manage_extranet/95256)