# SAM #140PP027R0001

Effigy Mounds National Monument Visitor Center and Parking Rehabilitation

**Buyer:** NATIONAL PARK SERVICE CONTRACTING ACTIVITY
**Posted:** October 05, 2026
**Respond By:** November 11, 2026
**Identifier:** 140PP027R0001
**NAICS:** 238210, 238220, 238290, 238910, 238990, 237310, 562910, 236220

The National Park Service is planning a major construction project at Effigy Mounds National Monument and has announced a pre-proposal site visit.
- **Opportunity:** Firm-fixed-price construction contract for rehabilitation of the Visitor Center and improvements to visitor parking and maintenance areas in Iowa.
- **Work includes:** Building and foundation rehabilitation; interior remodeling; selective demolition and hazardous-material removal; HVAC, electrical, water, fire alarm, and fire-suppression upgrades; roofing, windows, doors, finishes, structural work, restroom relocation, and elevator tune-up.
- **Site work:** Redesign and repaving of visitor and maintenance parking areas, with drainage, circulation, curb, gutter, sidewalk, asphalt, visitor plaza, benches, picnic tables, and delivery-access improvements.
- **Requirements:** Indian Small Business Economic Enterprises set-aside. Bid, performance, and payment bonds are required. The park will remain open, so work must limit visitor impacts and protect the cultural landscape. Seasonal construction shutdowns are required.
- **Schedule and status:** Solicitation anticipated on or after October 20, 2026. A pre-proposal conference and site visit are anticipated after solicitation issuance; the latest notice adds a site-visit attachment but provides no visit date. Performance is 450 calendar days from Notice to Proceed. The requirement is currently unfunded.
- **Magnitude:** Construction magnitude is more than $10 million; no specific contract value is provided.

### Description

Pre-Proposal Site Visit - Rehabilitate Effigy Mounds Visitor Center - Redesign and Repave Visitor Parking and Maintenance Area.

[View original listing](https://sam.gov/opp/b83ce6865e0b4754af79206eaeb37404/view)