Appraisal Services in Blaine County, Oklahoma Case Name: Blaine County_26_08.

The Department of the Interior Interior Business Center is conducting a sources sought for appraisal services on 10 tracts of allotted land in Blaine County, Oklahoma held in trust for the Cheyenne and Arapaho Tribes, with responses due May 22, 2026 at 3:00 PM EST. The procurement is limited to Indian-owned Small Business Economic Enterprises (ISBEE) and Indian-owned Economic Enterprises (IEE).

Contractors must deliver completed market value appraisals for fee simple estate properties using the Sales Comparison Approach, with appraisals complying with the Uniform Standards of Professional Appraisal Practice (USPAP), Federal Regulations 25 CFR Part 150.2, and employing hypothetical conditions removing trust ownership restrictions. A State Certified General Appraiser licensed in Oklahoma is required. Initial appraisal reports are due within 60 days of contract award as unlocked PDF files on standard 8.5" x 11" pages. The contractor must attend a pre-work teleconference, conduct physical inspections, perform market analysis using comparable sales data from the past three years, and provide detailed narratives with quantitative or qualitative adjustments. Reports must include aerial photographs with property boundaries, ground-level photographs, location maps, and attach the SOW and contract documents. Revised appraisals must be completed within 10 days of receiving review comments, with final payment due 60 days after review completion.

This is market research only and does not constitute a commitment to award. Responses are limited to four pages and must be submitted electronically to Contracting Officer Catherine Mattocks at catherine_mattocks@ibc.doi.gov with "Sources Sought Notice - AQD_CON_2026_08" in the subject line.