Solar permits in Washington, DC: October 2026
81 solar permits were filed in Washington, DC in October 2026, 4% more than in September (78). Washington, DC ranked 13th of the 39 places FirstDig covers for solar permits that month.
What the month shows
- The busiest day was Thursday, October 8, with 8; Thursdays were the busiest weekday overall.
The last months
| Month | Permits |
|---|---|
| May 2026 | 94 |
| June 2026 | 103 |
| July 2026 | 85 |
| August 2026 | 78 |
| September 2026 | 78 |
| October 2026 | 81 |
Solar permits in October 2026 in other places
- Sacramento County, CA: 955
- Riverside County, CA: 307
- San Jose, CA: 236
- San Diego County, CA: 229
- Los Angeles County, CA: 206
- Chicago, IL: 159
- Boulder, CO: 124
- Loudoun County, VA: 110
- Boston, MA: 110
- Phoenix, AZ: 97
- Tucson, AZ: 91
- Philadelphia, PA: 83
Previous month · Solar permits in Washington, DC this week
Get new solar permits in Washington every morning: start free (14 days of Pro, no card needed).
Source: Data: DC Department of Buildings, Open Data DC. Permits filed 2026-10-01 to 2026-10-31, counted by filing date.