Baltimore County · 21208
400 MT WILSON RD
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- Total assessment
- $31,837,500
- Land use
- Exempt Commercial (EC)
Assessment
Additional detail for this property — owner, sale history, and structure information — isn't available yet.
| Land use | Exempt Commercial (EC) |
|---|---|
| Total assessment | $31,837,500 (cycle 2026) |
Permits
10| Type | Status | Description | Cost | Issued |
|---|---|---|---|---|
| Comm. Permit - New Structure/Shell | ISSUE | Construct a new gymnasium with indoor courts and an exercise room for the students. 114'7"X78'8"=14,454SF (irreg) per plans. Separate permit required for any additional work. Erosion and sediment control inspection must be scheduled and passed prior to any building activity. | $4,950,000 | Apr 3, 2026 |
| Comm. Permit - New Structure/Shell | ISSUE | Construct a new (ground-up) maintenance shop building with workshops, maintenance staff offices, materials storage and restrooms. 160'X120'=19,200SF. Erosion and sediment control inspection must be scheduled and passed prior to any building activity. | $1,050,000 | Mar 2, 2026 |
| Comm. Permit - Sprinkler | OPEN | Install new NFPA 13 system with 83 sprinkler heads in commercial space per plans. Largest pipe size – 6”, light hazard occupancy. Meter size 6". See related permit # C25-00406 for New Commercial Building. Please contact the Office of the Fire Marshal at 410-887-4880 to schedule an inspection. This permit cancels and replaces issued permit #C25-01340, change in number of sprinkler heads and meter size. | $50,000 | Feb 2, 2026 |
| Comm. Permit - Sprinkler | OPEN | NFPA 13 system. Add 101 sprinkler heads in commercial space per plans. Largest pipe size – 6”, light hazard occupancy. See C24-01669 for New Shell. Please contact the Office of the Fire Marshal at 410-887-4880 to schedule an inspection. | $51,000 | Sep 22, 2025 |
| Comm. Permit - Sprinkler | CANCELLED | NFPA 13 system. Add 69 sprinkler heads in commercial space per plans. Largest pipe size – 6”, light hazard occupancy. See C25-00406 for New Shell. Please contact the Office of the Fire Marshal at 410-887-4880 to schedule an inspection. | $31,000 | Aug 24, 2025 |
| Comm. Permit - Sprinkler | OPEN | Install 545LF DIP 6" fire line; install 240LF DIP 6"; install (2) fire hydrants. Largest pipe size 6". Related permit CP25-00383. Please contact the Office of the Fire Marshal at 410-887-4880 to schedule an inspection. 2 fire hydrants. | $190,000 | Jul 6, 2025 |
| Comm. Permit - Grading | ISSUE | Grade 214,680sf for a new Gym building, Maintenance building, parking lots, driveways, basketball court. Permit expires two years from date of issue. No construction to begin until pre-construction meeting. Failure to comply will result in penalties. Schedule your pre-construction meeting in your portal | $100,000 | May 7, 2025 |
| Comm. Permit - Storm Water | ISSUE | Storm Water Management for 4.41 acres drainage area. Permit expires two years from date of issue. NO CONSTRUCTION TO BEGIN UNTIL PRE-CONSTRUCTION MEETING. FAILURE TO COMPLY WILL RESULT IN PENALTIES. SCHEDULE YOUR PRE-CONSTRUCTION MEETING IN YOUR PORTAL. | $19,241 | Mar 7, 2025 |
| Comm. Permit - Storm Water | ISSUE | CBCA.STORM WATER MANAGEMENT FOR 2.57 ACRES | DRAINAGE AREA ON EXISTING SCHOOL PROPERTY. | THIS PERMIT EXPIRES TWO YEARS FROM DATE OF | ISSUE | — | Jun 5, 2019 |
| Comm. Permit - Addition | ISSUE | CONSTRUCT 2 ADDITIONS ON SCHOOL DINING HALL | #1: REAR 18.77'X10'6=175SF TO BE VESTIBULE | #2: SIDE 15'X10'8=160SF TO BE VESTIBULE. | OVERALL WORK 335SF. DATA SHEETS WAIVED: JB | — | Oct 30, 2018 |
Records marked with * are matched by address, not a direct account link. Data is informational only.
Data freshness: city-311: 2026-07-12; city-ecb-citations: 2026-07-12; city-housing-inspections: 2026-07-12; city-permits: 2026-07-12; city-real-property: 2026-07-12; city-vbn: 2026-07-12; county-permits: 2026-07-12; sdat-properties: 2026-07-12;
Official sources: Maryland SDAT, Baltimore City permits.