How can I apply for Thai ID or permanent residency after living 26 years in Thailand and being married to a Thai national?

Seriously, you can do it yourself. 70thb 2 pictures, 2 witnesses and yellow book or blue book if you own.

Hi please take a look at this site you will need 3 years work permit along with other requirements

🇹🇭 COMPLETE ROADMAP: Thai Citizenship (Your Case)

You are already a strong candidate. The goal now is:

✅ Put yourself in the correct structure�✅ Verify with the right authorities�✅ Submit a clean application

🧭 PHASE 1 — VERIFY YOUR ELIGIBILITY (DO THIS FIRST)

1️⃣ Go to the actual authority

👉 Royal Thai Police Special Branch

Ask them directly:

* “Can I apply for Thai citizenship under marriage?”

* “Is my current visa (Non-O child support) acceptable?”

* “What documents am I missing?”

📌 Bring:

* Passport

* Marriage cert

* Child birth cert

* Tax documents

👉 This step confirms 100% truth for YOUR case

2️⃣ Cross-check your visa status

👉 Immigration Bureau Thailand

Ask:

* Should I switch from child support → marriage extension?

📌 Expected answer:�👉 Yes, marriage extension is stronger for citizenship

3️⃣ Optional professional confirmation

* Siam Legal International

* Juslaws & Consult

👉 Ask them to review:

* Income structure

* Documents

* Approval chances

⚙️ PHASE 2 — FIX YOUR FOUNDATION

4️⃣ Convert your visa (IMPORTANT)

👉 Switch to:�Non-O Marriage Extension

Why:

* Cleaner legal path

* Preferred by Special Branch

* Reduces rejection risk

5️⃣ Clean up income + tax

Minimum expectation:

* ≥ 40,000 THB/month

* 3+ years tax (you already have 5+ ✔️)

Make sure:

* Income is declared

* Supported by:

* Work permit OR

* Company/director salary

📌 If income is “informal” → fix this first

📄 PHASE 3 — PREPARE DOCUMENTS

6️⃣ Core documents

Prepare properly:

* Passport (all pages)

* Work permit (if any)

* Tax returns (Por Ngor Dor 91)

* Marriage certificate

* Child birth certificate (VERY strong for your case)

* Wife’s ID + house registration

* Photos (family, house)

* Police clearance

📌 Key:�👉 Must be well-organised + certified

🏢 PHASE 4 — APPLY

7️⃣ Submit application

👉 At:�Royal Thai Police Special Branch

Process:

* Submit documents

* Initial screening

* Pay fee (~5,000 THB)

🧪 PHASE 5 — INTERVIEW & CHECKS

Handled by:�👉 Royal Thai Police

Includes:

* Thai language interview

* Personal questions

* Possible home visit

* Wife may be interviewed

📌 Level: basic Thai conversation

🕰️ PHASE 6 — WAITING

Timeline:

* ~1.5 to 3 years

Final approval by:�👉 Ministry of Interior Thailand

👑 PHASE 7 — APPROVAL

* Take oath

* Receive citizenship

👉 You become Thai citizen (no more visa needed)

Go here get the correct answer. Recomendations on that group dont get a lawyer. Its waste of money

I think you better go to your local Ampur and ask there. I think yes, you can get citizenship, good luck 🤞