St. Marys County Unincorporated Area, MD
Prototype: 2,000 sq ft single-family detached, 3 bed / 2 bath, 3/4-inch water meter, 400 sq ft garage.
Impact fees verified. Not a full total. Impact fee verified: county new dwelling excise tax $6,697 per single-family dwelling, plus building permit ($0.16/sq ft on 2,400 sq ft incl. attached garage, assumed), application, certificate of occupancy, environmental and stormwater review fees (county FAQ #12, revised 8/24/2023, so may be superseded). Missing: MetCom water and sewer connection fees ("call"), health department and soil conservation district review fees (ranges), so no total. Many unincorporated lots use wells/septic. Searched 2026-11-09 (lane A).
Water/sewer provider: St. Mary's County
| Line | Printed rate | Prototype | Receipt |
|---|---|---|---|
| New dwelling excise tax, single family dwelling impact | $6,697.00 - Single Family Dwelling per dwelling | $6,697 | Printed Effective 2023-08-24 Source · St. Mary's County FAQ #12 Residential Permit Fees (revised 8/24/2023) fetched 2026-11-09, sha256 504559f625d0 |
| New dwelling building permit (including basement/attached garage) permit · computed | $ .16/sq. ft. - $20.00 minimum per sq ft | $384 | 0.16 x 2,400 sq ft (2,000 heated + 400 garage) = 384.00 Effective 2023-08-24 Source · St. Mary's County FAQ #12 Residential Permit Fees (revised 8/24/2023) fetched 2026-11-09, sha256 504559f625d0 |
| Application fee permit | $ 20.00 per application | $20 | Printed Effective 2023-08-24 Source · St. Mary's County FAQ #12 Residential Permit Fees (revised 8/24/2023) fetched 2026-11-09, sha256 504559f625d0 |
| Certificate of use and occupancy permit | $ 20.00 per Dwelling Unit per dwelling unit | $20 | Printed Effective 2023-08-24 Source · St. Mary's County FAQ #12 Residential Permit Fees (revised 8/24/2023) fetched 2026-11-09, sha256 504559f625d0 |
| Environmental review fee permit | $ 30.00 per review | $30 | Printed Effective 2023-08-24 Source · St. Mary's County FAQ #12 Residential Permit Fees (revised 8/24/2023) fetched 2026-11-09, sha256 504559f625d0 |
| Engineered SWM plan review fee permit | $ 30.00 per review | $30 | Printed Effective 2023-08-24 Source · St. Mary's County FAQ #12 Residential Permit Fees (revised 8/24/2023) fetched 2026-11-09, sha256 504559f625d0 |
Fee-change calendar
- None recorded
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