Eagle County adopted new septic (OWTS) regulations on January 20, 2026, creating an OWTS Adequacy Review (OAR) Permit. Point-of-sale inspections are NOT yet mandatory: the OAR requirement for real estate transfers does not take effect until January 1, 2027. Until then, an OAR permit is not required to sell a home with a septic system.

Inspection at sale	Starting January 1, 2027, an OWTS Adequacy Review (OAR) permit with a certified inspection will be required for all property sales. This requirement is NOT in force before that date.
Program adopted	Regulations adopted January 20, 2026; general regulations effective March 6, 2026 (45 days after adoption). The point-of-sale OAR requirement (Section 4.L) is delayed until January 1, 2027.
Inspector requirement	For the 2027 OAR program, inspectors must hold an active NAWT inspector certification and an Eagle County-specific license for their scope of work (county licensing required as of March 6, 2026).
How to apply	Apply for an OWTS permit through the county's online Self-Service portal; documents may be submitted to environment@eaglecounty.us.
Exemptions	Not published on the county site as of verification (program not yet in force).
Contact	Eagle County Environmental Health, environment@eaglecounty.us, (970) 328-8755.

County application / forms

Details to confirm with the county

We couldn't confirm the following from Eagle County's official pages. Check these with the county before you rely on them:

• Exact OAR permit fee (dollar amount) — not published; program does not start until Jan 1, 2027
• Specific exemptions (e.g., new systems under N years, non-arm's-length transfers) for the OAR program
• Timeline to apply relative to closing and review turnaround
• OAR permit validity period
• Winter/snow inspection rule
• Failed-system path / conditional-permit terms

Verified July 2026 · Source: Eagle County Environmental Health — OWTS Regulation Update / OAR program