District of Columbia permits
Do you need a permit in District of Columbia?
DC permits go through the Department of Buildings (DOB). Most non-trivial work requires licensed trades and often a registered design professional. Historic Preservation Review applies across the many historic districts. Home Improvement Contractors must be licensed/bonded through DCRA/DLCP.
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These are statewide ranges. Get your exact District of Columbia cost for your zip code and project size.
Can a homeowner pull the permit?
Yes, in most cases. Owner-occupied. Licensed trades required for electrical, plumbing, mechanical. Historic review adds time on most exterior work.
Where to file: DC Department of Buildings online portal. Historic-district projects route through the Historic Preservation Office (HPRB). Plan review 4-8+ weeks for non-trivial work.
Permits by trade in District of Columbia
| Trade | When required | Citation | Typical fee | DIY? |
|---|---|---|---|---|
| Plumbing | In-wall work, fixtures, water heater, gas | DC plumbing licensing | $150-$500 | No |
| Electrical | Circuits, panel, service, EV charger | DC electrical; NEC | $150-$500 | No |
| Mechanical (HVAC) | Systems, ductwork, refrigerant | DC mechanical | $150-$500 | No |
| Building (structural) | Additions, structural mods, rear additions | DC Construction Codes | $300-$2,000 | Yes |
| Roofing | Re-roofs, structural deck repair | DOB | $150-$400 | Yes |
| Historic review (HPRB) | Exterior work in historic districts | DC Historic Preservation | varies | Yes |
Hover a Conditional or No entry for the homeowner rule. Always confirm with your local building department, since requirements vary by jurisdiction.
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