What documents and requirements are necessary for a 1-year marriage visa in Thailand?

If you live in your wife's house you'll need a letter from stating that is where you live with her Thai ID, House Registration (Tabien Baan) and a clear map to your house. The local Thai Immigration should have a sample or template letter for her to fill out.

DIY vs getting an agent to help with all these questions and forms. Marriage visa is the most challenging and scrutinizing of visas

Core Checklist for a Thai Marriage Visa

Personal & Identity Documents

- Passport (valid at least 6 months, with blank pages)

- Visa application form (TM.7 or embassy form)

- Recent passport-sized photos (usually 4x6 cm, white background)

Marriage Proof

- Certified marriage certificate (Kor Ror 3)

- Marriage registration record (Kor Ror 2)

- If married abroad: translated into Thai and legalized by the Ministry of Foreign Affairs (MFA)

Thai Spouse’s Documents

- Thai ID card (front and back copies)

- House registration book (Tabien Baan)

Financial Evidence

- Bank statement showing 400,000 THB deposited for at least 2 months before application, OR

- Proof of monthly income of 40,000 THB (employment letter, pension statement, affidavit of income)

Residence Proof

- Rental contract, property deed, or accommodation letter confirming your Thai address

Yes for a rental you will nee the tax stamps on the front an sign about overstay.

Tabian baan and id card of your wife. I would recommend you pay a visit to the immigration office, with your wife, and ask them directly what is required. Take all available documents with you for them to see