Mission Bay & SoMa prime stock delivers a mid-to-high Cat-A baseline; tenant fit-out is typically Mid or High-end spec.

Typical spec: 30-50,000 sqft floor plates with lab-ready capability in select assets.
San Francisco fit-out range — Basic $115–155/sqft, Trophy $330–500/sqft.
Submarket tier: prime.

Mission Bay & SoMa, San Francisco fit-out and specification

Mission Bay & SoMa prime stock delivers a mid-to-high Cat-A baseline; tenant fit-out">fit-out is typically Mid or High-end spec.

TL;DR

Typical spec: 30-50,000 sqft floor plates with lab-ready capability in select assets.
San Francisco fit-out range — Basic $115–155/sqft, Trophy $330–500/sqft.
Submarket tier: prime.

Spec baseline

30-50,000 sqft floor plates with lab-ready capability in select assets.

Cost bands

City-wide San Francisco fit-out bands: Basic $115–155/sqft, Mid $160–230/sqft, High-end $235–330/sqft, Trophy $330–500/sqft.

Key facts

city	San Francisco
submarket	Mission Bay & SoMa
tier	prime
averageRentLocal	$80/sqft/yr
cityClassARentUsd	$78/sqft/yr
cityVacancyPct	31.5%

Frequently asked questions

What spec level is normal in Mission Bay & SoMa?: 30-50,000 sqft floor plates with lab-ready capability in select assets.

Related

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

Full sources index · Submit a correction

Related topics

Class A Lease Negotiation — How to negotiate a Class A office lease — the playbook from LOI to signed deal.
Hybrid Workplace Strategy — How to size, structure, and lease a Class A office for a hybrid workforce.
ESG / LEED for Tenants — How tenants evaluate, negotiate, and report on ESG performance in a Class A office lease.
Cross-border Expansion — How to run a coordinated Class A office search across multiple geographies.
Fit-out Capex — How to budget, sequence, and govern Class A office fit-out capex.
Lease vs Flex — When premium flex (coworking, managed office) beats a conventional Class A lease — and vice versa.

Mission Bay & SoMa prime stock delivers a mid-to-high Cat-A baseline; tenant fit-out is typically Mid or High-end spec.

Typical spec: 30-50,000 sqft floor plates with lab-ready capability in select assets.
San Francisco fit-out range — Basic $115–155/sqft, Trophy $330–500/sqft.
Submarket tier: prime.

Cities › San Francisco › Mission Bay & SoMa › Fit-out and specMission Bay & SoMa, San Francisco fit-out and specificationMission Bay & SoMa prime stock delivers a mid-to-high Cat-A baseline; tenant fit-out">fit-out is typically Mid or High-end spec.

TL;DR

Typical spec: 30-50,000 sqft floor plates with lab-ready capability in select assets.
San Francisco fit-out range — Basic $115–155/sqft, Trophy $330–500/sqft.
Submarket tier: prime.

Spec baseline

30-50,000 sqft floor plates with lab-ready capability in select assets.

Cost bands

City-wide San Francisco fit-out bands: Basic $115–155/sqft, Mid $160–230/sqft, High-end $235–330/sqft, Trophy $330–500/sqft.

Key facts

city	San Francisco
submarket	Mission Bay & SoMa
tier	prime
averageRentLocal	$80/sqft/yr
cityClassARentUsd	$78/sqft/yr
cityVacancyPct	31.5%

Frequently asked questions

What spec level is normal in Mission Bay & SoMa?: 30-50,000 sqft floor plates with lab-ready capability in select assets.

Related

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

Full sources index · Submit a correction

Related topics

Class A Lease Negotiation — How to negotiate a Class A office lease — the playbook from LOI to signed deal.
Hybrid Workplace Strategy — How to size, structure, and lease a Class A office for a hybrid workforce.
ESG / LEED for Tenants — How tenants evaluate, negotiate, and report on ESG performance in a Class A office lease.
Cross-border Expansion — How to run a coordinated Class A office search across multiple geographies.
Fit-out Capex — How to budget, sequence, and govern Class A office fit-out capex.
Lease vs Flex — When premium flex (coworking, managed office) beats a conventional Class A lease — and vice versa.