Highlights
- The average rent for office space in Charleston is $32.54 per square foot, 5.90% lower compared to the previous year.
- The market’s vacancy rate stands at 15.78%, higher than the state average of South Carolina, which is 15.01%.
- Renting Class A/A+ office space here costs $32.87 per square foot, while Class B averages $33.37 and Class C stands at $20.88.
- 43,000 square feet is currently under construction.
2025 Office Space Rent & Sales
- $32.54 2025 Avg. Asking Rent
- -5.90% Y-o-Y Avg. Asking Rent Change
- 15.78% 2025 Office Vacancy Rate
What is the average asking rent price for office space in Charleston?
Average asking rents for office space here stand at $32.54 per square foot. The local office market recorded an average vacancy rate of 15.78% in 2025, unchanged from 15.78% in 2024.
Charleston, SC Office Asking Rents by Class
What is the average office rent per square foot by property class in Charleston?
- Avg. Asking Rent Class A & A+$32.87
- Avg. Asking Rent Class B$33.37
- Avg. Asking Rent Class C$20.88
The average asking rent for Class A and A+ office space stood at $32.87 per square foot, indicating the best — and most expensive — that the market has to offer.
Class B space in Charleston averaged $33.37 per square foot, while the average for Class C space was $20.88 per square foot.
What is the average office rent per square foot by property class in SC?
- Avg. Asking Rent Class A & A+$28.43
- Avg. Asking Rent Class B$23.01
- Avg. Asking Rent Class C$16.34
For comparison, the average rent for Class A and A+ office space in South Carolina was $28.43 per square foot. The state-wide average for Class B space was $23.01 per square foot, and Class C office spaces averaged $16.34 per square foot.
Charleston, SC Office Indicators by Submarket
| Submarket | Asking Rents | Vacancy Rates |
|---|---|---|
| Charleston - Downtown | $42.61 | 9.81% |
| Mount Pleasant | $32.19 | 4.71% |
| Charleston - Northeast | $31.95 | 41.50% |
| Charleston - North Central | $30.16 | 21.77% |
| Charleston - West | $25.77 | 16.08% |
| North Charleston | $24.53 | 19.86% |
Office Construction in Charleston, SC
- Charleston, SC Total SF under construction in 2026 43,000
What are the largest recent office completions in Charleston?
The largest recent office completion here is Morrison Yard - 850 Morrison Drive at 146,588 square feet, completed in 2022. The next largest completions are 215 Benefitfocus Way and The Quin.
| Office building | Address | SF | Completed |
|---|---|---|---|
| Morrison Yard - 850 Morrison Drive | 850 Morrison Drive, 29403 | 146,588 | 2022 |
| The Quin | 1940 Algonquin Road, 29405 | 128,221 | 2021 |
| 677 King Street | 677 King Street, 29403 | 85,362 | 2021 |
| 1640 Meeting Street | 1640 Meeting Street, 29405 | 45,000 | 2020 |
| 83 Mary St | 83 Mary St, 29403 | 8,317 | 2019 |
| 215 Benefitfocus Way | 215 Benefitfocus Way, 29492 | 145,800 | 2015 |
| 1 Central Island Plaza | 115 Central Island St, 29492 | 73,027 | 2015 |
| 174 Meeting Street | 174 Meeting Street, 29401 | 52,000 | 2014 |
| Daniel Island Executive Center | 125 Fairchild Street, 29492 | 78,394 | 2008 |
| Charleston Gateway Campus | 40 Calhoun Street, 29401 | 123,005 | 2006 |
See reports for other markets
- Columbia Office Rent Price
- Greenville Office Rent Price
- North Charleston Office Rent Price
- Mount Pleasant Office Rent Price
- North Charleston Office Rent Price
- Los Angeles Office Rent Price
- Atlanta Office Rent Price
- San Francisco Office Rent Price
- Seattle Office Rent Price
- Charlotte Office Rent Price
- Miami Office Rent Price
- San Antonio Office Rent Price
- Denver Office Rent Price
- Dallas Office Rent Price
- Washington Office Rent Price
- Manhattan Office Rent Price
Disclaimer
All information on this page is based on city-level data that includes properties equal to or larger than 25,000 square feet.
Averages were calculated based on values dated between January 1st and December 31st 2025. Construction pipeline data represented herein is valid as of January 2026.
While every effort was made to ensure the accuracy of the data presented in this report, the information is provided “as is” and neither CommercialCafe nor Yardi Research Data can guarantee that the information provided is complete.