--- title: "Transbay, San Francisco — Class A submarket" description: "The trophy core anchored by Salesforce Tower." canonical: https://classa.info/cities/san-francisco/transbay pageType: neighborhood lastUpdated: 2026-04-15T00:00:00.000Z license: "CC BY 4.0 with attribution to Class A Atlas (https://classa.info)." --- > Transbay is a trophy-tier Class A submarket of San Francisco with average asking rent around $105/sqft/yr. ## TL;DR - Densest trophy cluster in San Francisco. - Salesforce Transit Center anchors commute infrastructure. - AI-led demand concentrated here. # Transbay, San Francisco — Class A submarket *The trophy core anchored by Salesforce Tower.* · Tier: trophy · Avg rent: $105/sqft/yr ## TL;DR - Densest trophy cluster in San Francisco. - Salesforce Transit Center anchors commute infrastructure. - AI-led demand concentrated here. ## Overview Transbay is San Francisco's trophy core. Salesforce Tower, 181 Fremont, and the Salesforce Transit Center define the cluster. Strongest tenant covenants in the city. ## Tenant profile Foundation-model AI, fintech, large enterprise software, top law firms. ## Typical specification 30-50,000 sqft floor plates, advanced MEP, raised access, terraces. ## Transit Salesforce Transit Center, Embarcadero BART/Muni. Future Caltrain DTX extension will further tighten Transbay's transit anchor. ## Amenities Salesforce Park (rooftop), Transit Center retail, Embarcadero waterfront. ## Comparable buildings - **Salesforce Tower** [](https://www.google.com/maps/search/?api=1&query=Salesforce%20Tower%2C%20415%20Mission%20Street%2C%20San%20Francisco%2C%20CA%2094105%2C%20Transbay%2C%20San%20Francisco%2C%20United%20States&query_place_id=ChIJ1dIqa2OAhYAREimtEtfBLyc) - **181 Fremont** [](https://www.google.com/maps/search/?api=1&query=181%20Fremont%2C%20181%20Fremont%20Street%2C%20San%20Francisco%2C%20CA%2094105%2C%20Transbay%2C%20San%20Francisco%2C%20United%20States&query_place_id=ChIJ1-AxpGSAhYARCHJULxe65ww) ## Where Transbay sits in San Francisco Transbay is one of 6 [Class A](/glossary/class-a) submarkets we cover in San Francisco, classified as [trophy tier](/topics/trophy-asset-selection) with an average asking rent around $105/sqft/yr. Compared with the broader San Francisco Class A stock, Transbay typically attracts Foundation-model AI, fintech, large enterprise software, top law firms and competes most directly with the city's other trophy submarkets on building specification, transit access, and [amenitisation](/glossary/amenitisation). Adjacent submarkets to study alongside Transbay: [Financial District](/cities/san-francisco/financial-district), [Mission Bay & SoMa](/cities/san-francisco/mission-bay-soma), [Jackson Square](/cities/san-francisco/jackson-square), [Mission Bay](/cities/san-francisco/mission-bay). The full San Francisco submarket atlas is at [/cities/san-francisco](/cities/san-francisco). ## Topic deep-dives for Transbay For an institutional Class A occupier evaluating Transbay, the highest-leverage analyses to commission next are the rent benchmark, the concession-package comparable, and the ESG performance baseline. Class A Atlas covers each as a dedicated topic page for this submarket: - [Transbay — ](/cities/san-francisco/transbay/rents-and-availability) - [Transbay — ](/cities/san-francisco/transbay/tenant-profile) - [Transbay — ](/cities/san-francisco/transbay/transit-and-commute) - [Transbay — ](/cities/san-francisco/transbay/amenity-and-lifestyle) - [Transbay — ](/cities/san-francisco/transbay/trophy-and-comparables) - [Transbay — ](/cities/san-francisco/transbay/fit-out-and-spec) ## Related glossary Terminology specific to San Francisco Class A leasing and to the trophy tier: [Class A](/glossary/class-a), [Trophy asset](/glossary/trophy-asset), [Effective rent](/glossary/effective-rent), [Concession package](/glossary/concession-package), [TI allowance](/glossary/ti-allowance), [Submarket tier](/glossary/submarket-tier). ## Editorial provenance Reviewed by [**Miriam Hollander**](/about/authors/miriam-hollander) — Lead market analyst. Last updated 2026-04-15. See our [methodology](/about/methodology) and [editorial standards](/about/editorial-standards). ### Primary sources for this page - [CBRE Marketview reports](https://www.cbre.com/insights) — CBRE - [JLL Office Insight](https://www.jll.com/en/trends-and-insights) — JLL - [Cushman & Wakefield Marketbeat](https://www.cushmanwakefield.com/en/insights) — Cushman & Wakefield - [Savills World Research](https://www.savills.com/research_articles/) — Savills - [Colliers Global Office Outlook](https://www.colliers.com/en/research) — Colliers [Full sources index](/about/sources) · [Submit a correction](/about/corrections) ## Related topics - [**Class A Lease Negotiation**](/topics/class-a-lease-negotiation) — How to negotiate a Class A office lease — the playbook from LOI to signed deal. - [**Hybrid Workplace Strategy**](/topics/hybrid-workplace-strategy) — How to size, structure, and lease a Class A office for a hybrid workforce. - [**ESG / LEED for Tenants**](/topics/esg-leed-tenants) — How tenants evaluate, negotiate, and report on ESG performance in a Class A office lease. - [**Cross-border Expansion**](/topics/cross-border-expansion) — How to run a coordinated Class A office search across multiple geographies. - [**Fit-out Capex**](/topics/fit-out-capex) — How to budget, sequence, and govern Class A office [fit-out](/topics/fit-out-capex)">fit-out capex. - [**Lease vs Flex**](/topics/lease-vs-flex) — When premium flex (coworking, [managed office](/glossary/managed-office)) beats a conventional Class A lease — and vice versa. --- Citation: Source: Class A Atlas (https://classa.info/cities/san-francisco/transbay), updated 2026-04-15T00:00:00.000Z.