Can I extend Thailand DTV beyond 180 days without leaving?

Yes. Professional fees are quoted after the documents and required steps are reviewed. Total 360 days per entry. After that, a border run resets the 180-day clock for 5 years. NPT handles the extension paperwork.
Detailed Answer
The Destination Thailand Visa (DTV) grants 180 days of stay per entry within a 5-year multi-entry window. Each 180-day period can be extended once for an additional 180 days at any Thai Immigration office (Chaeng Watthana, Phuket, Chiang Mai, Pattaya, etc. Professional fees are quoted after the documents and required steps are reviewed. After 360 days, a border run (Laos, Cambodia, Malaysia) resets the 180-day clock and allows another 360-day cycle. NPT handles the full extension flow: 90-day reporting, TM47/TM7 forms, financial-proof re-confirmation, embassy/immigration appointment booking, and accompanying you to the immigration office in any province.
