Siam Car Park (Siam Center / Siam Discovery)

979 Rama I Rd, Pathum Wan, Bangkok 10330

Siam Car Park (Siam Center / Siam Discovery) is in Pathum Wan (Siam), Bangkok (กรุงเทพมหานคร). First 2 hr free. ฿800+ → 4 hr free. ฿3,000+ → 6 hr free. ฿6,000+ → 8 hr free. The rules below come from the operator’s own car park page.

How it becomes free or discounted

First 2 hr free
Cars; hour 3 onward charged at 30 THB/hour under the ONESIAM scheme.
฿800+ → 4 hr free
What you have to do: ONESIAM E-Parking Stamp via ONESIAM SuperApp or store stamp
฿3,000+ → 6 hr free
What you have to do: ONESIAM E-Parking Stamp via ONESIAM SuperApp or store stamp
฿6,000+ → 8 hr free
What you have to do: ONESIAM E-Parking Stamp via ONESIAM SuperApp or store stamp

Eligible: Grouped with Siam Paragon under the ONESIAM E-Parking Stamp scheme: first 2 hours free for everyone, then free up to 4/6/8 hours total with a same-day receipt of 800/3,000/6,000+ THB.

This is the garage serving Siam Center and Siam Discovery, listed by ONESIAM as 'Siam Paragon & Siam Car Park' sharing one rule set; stamps require registration in the ONESIAM SuperApp or a physical stamp at participating stores.

“Free parking for the first 2 hours. For the third hour, the rate will be 30 baht per hour.”

Source: official parking page checked 2026-07-26

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FAQ

How long is parking free at Siam Car Park (Siam Center / Siam Discovery)?

The official rule lists the first 2 hr free. Cars; hour 3 onward charged at 30 THB/hour under the ONESIAM scheme.

How much do I need to spend for free parking at Siam Car Park (Siam Center / Siam Discovery)?

Spend ฿800 or more for 4 hr free. ONESIAM E-Parking Stamp via ONESIAM SuperApp or store stamp