BuildingPermitCost How Montgomery County calculates your permit fee
The county charges a building permit fee using a flat $200.00.
The fee table
Residential development permit, new structure over 200 sq ft, outside floodplain
A flat $200.00.
Commercial new structure outside floodplain
| Floor area | Fee |
|---|---|
| 0 sq ft – 4,999 sq ft | $500.00 |
| 4,999 sq ft – 9,999 sq ft | $750.00 |
| 9,999 sq ft – 14,999 sq ft | $1,000.00 |
| 14,999 sq ft – 20,000 sq ft | $1,500.00 |
What counts as project value
Not used. Fees are flat amounts by project type, floodplain location and floor area; no construction valuation is used.
Worked example: a $350,000 new home
- Building permit fee: flat fee = $200.00
- Total before trade permits: $200.00.
Fees people miss
May also apply (not in the totals above)
- Permit recertification: when permit recertification.
| Fee | Amount |
|---|---|
| Residential new structure over 200 sq ft in the floodplain (instead of $200)When: property in the floodplain | $300.00 each |
| Septic permit, residential newWhen: on-site septic system required | $350.00 each + $10 state TDH fee |
| Floodplain non-compliance admin feeWhen: violation | $200.00 per incident |
| Septic reinspectionWhen: reinspection | $150.00 each |
How to apply
- Gather your plans and your project's total value.
- Submit to Montgomery County Permit Office (Environmental Health / Permitting).
- Pay the permit and plan review fees when invoiced.