---
title: "Mumbai — Class A Atlas Office Index #117"
description: "Mumbai leads on cost efficiency (91/100) and lags on sustainability (26/100) — Class A asking rent 46.08 USD/sqft/yr at 12.6% vacancy."
canonical: https://classa.info/research/office-index/mumbai
pageType: research-detail
lastUpdated: 2026-05-29T16:17:29.065Z
license: "CC BY 4.0 with attribution to Class A Atlas (https://classa.info)."
---

> Mumbai leads on cost efficiency (91/100) and lags on sustainability (26/100) — Class A asking rent 46.08 USD/sqft/yr at 12.6% vacancy.

## TL;DR

- Cost efficiency: 91/100
- Talent depth: 60/100
- Sustainability: 26/100
- Transit access: 86/100
- Lease flexibility: 47/100

# Mumbai — Office Index #117

**Composite 64.0 / 100.** Mumbai leads on cost efficiency (91/100) and lags on sustainability (26/100) — [Class A](/glossary/class-a) asking rent 46.08 USD/sqft/yr at 12.6% vacancy.

## Sub-scores

| Dimension | Score | Why|

| Cost efficiency (weight 25%) | 91/100 | Class A asking rent 46.08 USD/sqft/yr; lower asking rent scores higher within the 30–200 USD Tier-1 band.|
| Talent depth (weight 25%) | 60/100 | Editorial talent-pool index of 60/100 reflects white-collar density and inbound migration.|
| Sustainability (weight 15%) | 26/100 | Share of Mumbai Class A stock with named ESG certification (LEED / breeam">BREEAM / WELL) blended with current vacancy as a proxy for stock turnover.|
| Transit access (weight 15%) | 86/100 | Average tier strength of 4 Class A submarkets blended with rail/metro coverage in submarket commute notes.|
| Lease flexibility (weight 20%) | 47/100 | Typical 4 months rent-free on a 5-year term; longer rent-free and shorter terms score higher.|

## Related

- [**Mumbai — full city profile**](/cities/mumbai)
- [**Embeddable rank widget**](/embed/index-rank/mumbai)
- [**Embeddable city summary**](/embed/city/mumbai)
- [**Office Index — full ranking**](/research/office-index)

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Citation: Source: Class A Atlas (https://classa.info/research/office-index/mumbai), updated 2026-05-29T16:17:29.065Z.