Charleston Commercial Office Space for Rent

Q3 2026

Q3 2026 Charleston Commercial Real Estate Market Report

Focus: Q3 2026 Market Trends

Executive Summary

Cushman & Wakefield ranked Charleston the second-tightest office market in the country at 7.1% vacancy in Q2 2026. Industrial vacancy fell to 11.6% in Q3 on a seventh straight quarter of positive absorption, and retail vacancy sits near 3.5%. Tenant demand on TenantBase shifted toward office in Q3: office space accounted for 50.0% of all Charleston tenant searches, up from 18.2% in Q2, drawing even with retail.

Sector Snapshot

  • Office: Very tight. Vacancy was 8.1% in Q2, down from 9.9% a year earlier.
  • Industrial: Recovering. Vacancy fell to 11.6% from 13.3% a year earlier.
  • Retail: Tight. Vacancy was 3.5% as of June.
  • Multifamily: Rents rising. City average rent was $2,179, up 3.7% year over year.

Charleston Tenant Demand Index

The TenantBase Tenant Demand Index tracks what businesses across the Charleston region are actively searching for on the TenantBase platform each quarter. Because it measures tenant intent before leases are signed, it shows where demand is heading ahead of traditional vacancy and absorption data.

Q3 2026 Search Share by Space Type (July 1 to September 30, 2026)

  • Office: 50.0%
  • Retail/Storefront: 50.0%
  • Warehouse/Industrial: 0.0%

Three-Quarter Trend

  • Office: 27.5% in Q1, 18.2% in Q2, 50.0% in Q3
  • Retail/Storefront: 46.4% in Q1, 66.7% in Q2, 50.0% in Q3
  • Warehouse/Industrial: 26.1% in Q1, 16.7% in Q2, 0.0% in Q3

Key Takeaways

  • Office demand rebounded, rising from 18.2% to 50.0% of Charleston searches.
  • Office terms are split. Terms under one year and 2 to 3 year terms each made up 35.3% of Q3 office searches.
  • Retail tenants are committing long term. 37.5% of Q3 retail searches sought 5+ year terms, up from 28.6% in Q2.
  • Location interest spans the region. Downtown and North Charleston were the most requested areas, followed by the North, East, and West suburbs.

Office Market

Key Metrics (Q2 2026)

  • Vacancy: 8.1%, down from 9.9% a year earlier (CBRE)
  • Average asking rent: $32.71/SF full service, with Class A at $36.15/SF (CBRE)
  • National ranking: second-tightest office market in the country at 7.1% vacancy (Cushman & Wakefield)
  • Under construction: 130,000 SF at The Point, 2198 Milford St (CBRE)
  • Submarkets: East Cooper at 4.4%, West Ashley at 6.2%, the Peninsula at 7.2% and $41.02/SF, North Charleston at 9.5%, and Daniel Island at 10.5% (CBRE)
  • Notable lease: Boeing, 80,000 SF at 3450 Ingleside Blvd, tying the largest office lease in market history (CBRE, Cushman & Wakefield)

TenantBase Office Activity

Demand share: 50.0% of Charleston tenant searches, up from 18.2% in Q2.

Lease term preferences:

  • Less than one year: 35.3%
  • 2 to 3 years: 35.3%
  • 3 to 5 years: 17.6%
  • 5+ years: 11.8%

Space requirements by term:

  • Less than one year: 1,167 to 2,333 SF
  • 2 to 3 years: 2,375 to 5,000 SF
  • 3 to 5 years: 6,250 to 12,500 SF

TenantBase data vs. the market: Downtown, the most searched area on TenantBase, is also one of Charleston's priciest office submarkets at $41.02/SF, so tenants there should expect competition. North Charleston and Daniel Island, near 10% vacancy, offer more options and lower rents.

Industrial & Warehouse Market

Key Metrics (Q3 2026)

  • Vacancy: 11.6%, down from 13.3% a year earlier (CBRE)
  • Net absorption: about 773,000 SF, the seventh straight positive quarter; 2.64 million SF year to date (CBRE)
  • Leasing: about 1.73 million SF, up 84.4% year over year (CBRE)
  • Average asking rent: $8.43/SF NNN, up 1.3% year over year (CBRE)
  • Under construction: 475,000 SF across five projects (CBRE)
  • Submarkets: Hwy 52 North at 0.6%, West Ashley at 1.9%, Hanahan at 6.2%, North Charleston/Ladson at 10.1%, and I-26 North at 16.8% (CBRE)
  • Notable leases: a confidential 545,000 SF lease at 759 Autonomous Dr and Translucent Energy's 283,000 SF lease at 175 McQueen Blvd (CBRE)

TenantBase Industrial Activity

Demand share: No industrial searches were recorded on TenantBase in Charleston in Q3, down from 16.7% in Q2 and 26.1% in Q1.

TenantBase data vs. the market: Larger users will find the most options along I-26 North, while infill submarkets like Hanahan and Hwy 52 North are very tight.

Retail Market

Key Metrics (2026)

  • Vacancy: 3.5% as of June, with Berkeley County at 2.4% (Marcus & Millichap)
  • Growth nodes: Goose Creek, Nexton, and Cane Bay (Marcus & Millichap)

TenantBase Retail Activity

Demand share: 50.0% of Charleston tenant searches, down from 66.7% in Q2.

Lease term preferences:

  • 5+ years: 37.5%
  • Less than one year: 25.0%
  • 2 to 3 years: 18.8%
  • 3 to 5 years: 18.8%

Space requirements by term:

  • Less than one year: 2,500 to 5,000 SF
  • 2 to 3 years: 500 to 1,000 SF

TenantBase data vs. the market: With retail vacancy near 3.5%, tenants committing to long-term leases should start early, especially in the North suburbs, where growth is strongest.

Multifamily Market

Charleston city average apartment rent was $2,179 as of September 2026, up 3.7% year over year, according to RentCafe.

Q4 2026 Outlook

  • Office: Expect very tight conditions to persist with limited new supply.
  • Industrial: Expect vacancy to keep falling as leasing stays strong.
  • Retail: Expect low vacancy, with growth in the North suburbs.
  • Multifamily: Expect continued rent growth.

Frequently Asked Questions

What type of commercial space are Charleston tenants searching for in 2026?

In Q3 2026, office and retail/storefront space each made up 50.0% of Charleston tenant searches on TenantBase. Office share rose from 18.2% in Q2.

Which Charleston areas are tenants searching most?

Downtown and North Charleston were the most requested areas on TenantBase in Q3 2026, followed by the North, East, and West suburbs.

What is the office vacancy rate in Charleston?

Charleston office vacancy was 8.1% in Q2 2026, according to CBRE.

What is the industrial vacancy rate in Charleston?

Charleston industrial vacancy was 11.6% in Q3 2026, down from 13.3% a year earlier, according to CBRE.

How can I find commercial space in Charleston at no cost?

TenantBase matches business tenants with vetted independent tenant rep brokers across the Charleston region at no cost to the tenant. Brokers are compensated by the landlord. Get started with TenantBase.

Sources

  1. TenantBase proprietary search data, Charleston, July 1 to September 30, 2026
  2. TenantBase, Charleston Commercial Real Estate Market Report, Q2 2026
  3. TenantBase, Charleston Commercial Real Estate Market Report, Q1 2026
  4. CBRE, Charleston Office Figures, Q2 2026
  5. Cushman & Wakefield, Charleston Office MarketBeat, Q2 2026
  6. CBRE, Charleston Industrial Figures, Q3 2026
  7. Marcus & Millichap, Charleston Retail Market Report, 2026
  8. RentCafe, Charleston Average Rent, September 2026

Disclaimer

Information in this report is aggregated from third-party sources and TenantBase proprietary platform data, and was synthesized with the assistance of AI. Market metrics reflect the most recent published data available at the time of writing. TenantBase search data reflects tenant activity on the TenantBase platform and is not a measure of total market leasing. All figures should be independently verified before making real estate decisions.