40 Calhoun St Charleston, SC 29401
For Lease
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Charleston Gateway Campus offers 123,005 square feet of Class A office space in a vibrant, walkable complex. The property, built in 2006, features a diverse tenant mix, primarily legal, insurance, and financial services firms, alongside retail and restaurant spaces. Available spaces range from move-in-ready executive suites of 314 square feet to larger, customizable floor plans up to 9,375 contiguous square feet, with a minimum divisible space of 1,356 square feet. Currently, 14,165 square feet are vacant. The campus boasts a planned redevelopment including outdoor seating and dining areas, and a large courtyard accessible from Washington Street. Its prime location at the intersection of Calhoun and East Bay Streets offers excellent visibility and proximity to I-26 and the Ravenel Bridges. Amenities include on-site parking (leasing at $175/month), additional parking options at nearby garages ($160/month), a backup generator, and after-hours access to a rooftop with harbor views (by reservation). Building 480 East Bay offers shell condition spaces ideal for retail, restaurant, or office use, including Suite E with high, exposed ceilings and skylights. The 40 Calhoun building offers full-service office space. South Atlantic Bank and Liberty Place are among the existing tenants.
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Moore & Van Allen: Heichelbech Jenny M Law Firm
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Timothy J. W. Muller, Esq. Law Firm
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The Steadman Agency Insurance Agency
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MassMutual South Carolina Financial Advisor
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Palmer & Cay Insurance Agency
Cap rate
Implied · in-place · derived from last sale + estimated NOIValue
AI, CAP & Alternative Use estimations · Realmo proprietary blendProperty tax & assessments
Tax year 2023Comparables
6 recent transactions · within 1.5 miComparable in this City
Similar Nearby for Sale
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Property description
Physical attributes from public recordsZoning & alternative use
Costs & Benchmarks
Operating expenses, capex projections, utility benchmarks, and submarket comparables — all in one view.
Risks
Flood, climate, environmental, title, and tenant-concentration risk — surfaced with mitigations and source citations.