Agencies › Department of the Interior › NAICS 531390

Department of the Interior (DOI): NAICS 531390 — Other Activities Related to Real Estate

1open solicitations

$121Kobligated in FY2026

3contracts ending within 18 months

Open solicitations

R--BIA PIMA Real Estate ConsultantDepartmental Offices · Unrestricted (full and open) · Due 09 October 2026

How DOI NAICS 531390 spends

FY2021$47K

FY2022$-3

FY2023$248K

FY2024$174K

FY2025$8,600

FY2026$121K

Contract obligations by federal fiscal year (October–September), from USASpending.gov award data. IDIQ ceilings are excluded. * The current year is partial, and USASpending lags 4–8 weeks.

DOI NAICS 531390 contracts expiring in the next 18 months

3 contracts worth $488K.

Incumbent	Buyer	What	Value	Ends	Est. solicitation	Record
LDSS, INC.	Departmental Offices	531390 Other Activities Related to Real Estate	$121K	12 November 2026	Now / imminent	USASpending
O.R. COLAN ASSOCIATES, LLC	U.S. Fish and Wildlife Service	531390 Other Activities Related to Real Estate	$244K	31 December 2026	Now / imminent	USASpending
COMMITTEE OF MANAGERS OF LLEWELLYN PARK	NPS	531390 Other Activities Related to Real Estate	$123K	28 February 2027	Now / imminent	USASpending

Contracts and task orders from USASpending.gov (FPDS) whose period of performance ends within 18 months, valued at $25K or more, excluding IDIQ ceilings and government-owned, contractor-operated facility contracts. Co-terminous orders from the same vendor, agency, NAICS and PSC ending in the same month are grouped. The solicitation date is an estimate (about six months before the contract ends): FedSift does not know whether a follow-on has been posted, so check SAM.gov.

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