Is sublease space cheap in San Francisco?

Sublease typically trades 15–30% below direct asks for equivalent specification. The total economics depend on remaining term, TI condition, and the assignment/sublet provisions in the prime lease.

Can I convert a sublease to a direct lease in San Francisco?

Sometimes. On longer-horizon takes, ask the landlord to write a fresh direct lease at sublease commencement — they get a creditworthy long-term tenant; you get rent-free and TI.

Sublease availability in San Francisco is concentrated in older Class B and lower-tier Class A stock; trophy assets like Transbay clear quickly even when the broader market shows 31.5% vacancy.

Direct vacancy is 31.5%; sublease overhang is concentrated outside the trophy tier.
Sublease space typically prices 15–30% below direct asks for equivalent specification.
Term-take risk and limited TI are the two biggest sublease tradeoffs.
Trophy submarket (Transbay) has the thinnest sublease overhang.

San Francisco Class A sublease market

sublease">Sublease availability in San Francisco is concentrated in older Class B and lower-tier Class A stock; trophy assets like Transbay clear quickly even when the broader market shows 31.5% vacancy.

TL;DR

Direct vacancy is 31.5%; sublease overhang is concentrated outside the trophy tier.
Sublease space typically prices 15–30% below direct asks for equivalent specification.
Term-take risk and limited TI are the two biggest sublease tradeoffs.
Trophy submarket (Transbay) has the thinnest sublease overhang.

Where the sublease overhang sits

In San Francisco, sublease availability concentrates in the older Class A and Class B segments — not in trophy product. Vacancy across the broad Class A index is 31.5%; the trophy tier in Transbay is structurally tighter.

What you give up

Subleases trade at a discount, but you inherit the prime tenant's term, get limited or no TI, and live with whatever fit-out">fit-out exists. For occupiers under a 24-month horizon, that tradeoff usually wins. For multi-year HQs, direct deals with rent-free and TI almost always produce better effective economics.

Negotiating points

Look for direct deals with the landlord at sublease commencement (a "bypass" structure) — landlords will sometimes write a fresh long-term lease to take a problem space off the prime tenant's books. Modified-gross with operating-expense escalations over a base year. Rent-free of 18-30 months on a 10-year term is current market for trophy assets in lease-up. TI of $150-$220/sqft is achievable. Termination options at year 5 are increasingly negotiable.

Key facts

city	San Francisco
country	United States
region	Americas
classARentLocal	78 USD/sqft/yr
classARentUsd	$78/sqft/yr
vacancy	31.5%
typicalLeaseYears	7
typicalRentFreeMonths	22
submarkets	6
primeYieldPct	6.5%

Frequently asked questions

Is sublease space cheap in San Francisco?: Sublease typically trades 15–30% below direct asks for equivalent specification. The total economics depend on remaining term, TI condition, and the assignment/sublet provisions in the prime lease.
Can I convert a sublease to a direct lease in San Francisco?: Sometimes. On longer-horizon takes, ask the landlord to write a fresh direct lease at sublease commencement — they get a creditworthy long-term tenant; you get rent-free and TI.

Editorial provenance

Reviewed by Miriam Hollander — Lead market analyst. Last updated 2026-04-15. See our methodology and editorial standards.

Primary sources for this page

CBRE Marketview reports — CBRE
JLL Office Insight — JLL
Cushman & Wakefield Marketbeat — Cushman & Wakefield
Savills World Research — Savills
Colliers Global Office Outlook — Colliers

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