# Seongsu, Seoul office rents and availability

> Seongsu is a prime-tier Seoul submarket with average asking rent around $35/sqft/yr.

**Canonical URL:** https://classa.info/cities/seoul/seongsu/topics/rents-and-availability
**Page type:** nb-topic
**Last updated:** 2026-04-15T00:00:00.000Z
**License:** CC BY 4.0 with attribution to Class A Atlas (https://classa.info).

## TL;DR
- Average asking rent: $35/sqft/yr.
- Tier: prime.
- Citywide Class A rent context: ₩142,000/pyeong/mo · ≈ $34.5 PSF/yr USD ($34 USD).
- Citywide vacancy: 5.2% — submarket-level availability is typically tighter at prime tier.

## Key facts
- **city**: Seoul
- **submarket**: Seongsu
- **tier**: prime
- **averageRentLocal**: $35/sqft/yr
- **cityClassARentUsd**: $34/sqft/yr
- **cityVacancyPct**: 5.2%

## FAQ
### What is the average Class A rent in Seongsu, Seoul?
Around $35/sqft/yr. The citywide Class A index sits at ₩142,000/pyeong/mo · ≈ $34.5 PSF/yr USD.

---
Citation: Source: Class A Atlas (https://classa.info/cities/seoul/seongsu/topics/rents-and-availability), updated 2026-04-15T00:00:00.000Z.