# Topics — global Class A office topics

> Class A Atlas publishes 25 topic landings, each linking to per-city deep-dives across all 123 Tier 1 markets.

**Canonical URL:** https://classa.info/topics
**Page type:** topics-index
**Last updated:** 2026-05-29T16:17:29.065Z
**License:** CC BY 4.0 with attribution to Class A Atlas (https://classa.info).

## TL;DR
- Rents and incentives — What does Class A rent cost and what concessions are typical?
- Sublease market — How deep is sublease availability and how does it price?
- ESG and LEED stock — How much certified stock exists and what premium does it command?
- Transit and commute — Which submarkets have the strongest transit access?
- Talent and salaries — What does the white-collar talent pool look like and how is it priced?
- Fit-out costs — What does a Class A fit-out cost per square foot?
- Flex vs lease — When does premium coworking beat a traditional lease?
- Taxes and incentives — What corporate, occupancy, and property taxes apply?

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