Data through September 2026 · updated 19 Oct 2026
591 home addition permits were issued in the City of Charleston, October 2024 through September 2026: about 296 a year and 8% of all permits. 308 home addition permits in the last 12 months (Oct 2025–Sep 2026), 9% more than the 283 in the 12 months before. The busiest month is May. The usual one took 256 days from issue to the city's final. 29407 has the most, 123.
What this file covers: The city's layer holds building permits only, so trade permits are few.
Permits issued each month, October 2024 through September 2026.
| Month | Permits |
|---|---|
| Oct 2024 | 25 |
| Nov 2024 | 24 |
| Dec 2024 | 24 |
| Jan 2025 | 16 |
| Feb 2025 | 22 |
| Mar 2025 | 28 |
| Apr 2025 | 25 |
| May 2025 | 33 |
| Jun 2025 | 18 |
| Jul 2025 | 25 |
| Aug 2025 | 24 |
| Sep 2025 | 19 |
| Oct 2025 | 25 |
| Nov 2025 | 24 |
| Dec 2025 | 24 |
| Jan 2026 | 13 |
| Feb 2026 | 20 |
| Mar 2026 | 22 |
| Apr 2026 | 27 |
| May 2026 | 33 |
| Jun 2026 | 37 |
| Jul 2026 | 23 |
| Aug 2026 | 29 |
| Sep 2026 | 31 |
By calendar month, 100 = an average month (the thin line). May is the busiest (134), January the quietest (59). A busy month at the permit counter usually means a longer wait for a contractor.
| Month | Index |
|---|---|
| January | 59 |
| February | 85 |
| March | 102 |
| April | 106 |
| May | 134 |
| June | 112 |
| July | 97 |
| August | 108 |
| September | 102 |
| October | 102 |
| November | 97 |
| December | 97 |
Permits issued Oct 2024–Sep 2025, at least 12 months before the file ends. Usual days is the middle permit among the 79 with a final date.
| Measure | Value |
|---|---|
| Permits issued Oct 2024–Sep 2025 | 283 |
| Finished | 66.1% |
| Expired | 0.0% |
| Usual days, issue to final | 256 |
| Middle half, days | 213–344 |
The value written on the permit at application, from 590 permits with one. Not a quote and not the final bill.
| Measure | Value |
|---|---|
| Usual declared value | $99,023 |
| Middle half | $30,000–$245,000 |
Counted at the property's ZIP code. Share is the part of the city's 591 home addition permits.
Remodels & repairs (2,722)New homes (1,142)Demolition (479)Garages, sheds & shade structures (391)Roofing (260)
Source: City of Charleston GIS, Permits All Issued (Dashboard View), EnerGov layer External/Applications 1134, read 19 Oct 2026. We count permits issued October 2024 through September 2026; denied and withdrawn permits are left out.
Building permits the City of Charleston Department of Permitting & Inspections issues inside the city limits only: the Peninsula, West Ashley, James Island, Johns Island, Daniel Island and Cainhoy parts of the city. North Charleston, Mount Pleasant, Summerville and unincorporated Charleston County run their own permit offices and are not in this file. Business-license certificates of occupancy, tree removal, rental registrations and sidewalk dining permits are left out.
Counts are permits, not jobs: one job can need several permits. Nobody paid to be on this page and nobody can. Sources and definitions →
Free to reuse with attribution (CC BY 4.0). Please credit Contractor Records and link to this page. Suggested citation:
Contractor Records, "Home addition permits in the City of Charleston, SC", https://contractorrecords.com/charleston-sc/addition-permits, data through September 2026, from the City of Charleston Department of Permitting & Inspections building-permit records.Link to a table: By month · Season · Days to final · Declared value · By ZIP code.
Download the tables (CSV): Additions permits by month · Additions permits by calendar month (index) · Additions permits: days to final · Additions permits: declared value · Additions permits by ZIP code.