312 Walnut St
Building permits, Cincinnati, OH 45202
312 Walnut St, Cincinnati has 200 building permits on record. The most recent, issued Aug 28, 2026, is for fire systems: Fire Protection Systems
All permits at this address
| Date | Type | Work | Cost |
|---|---|---|---|
| Fire systems | Fire Protection Systems | $8,000 | |
| Plumbing | Plumbing Permits | $1,500 | |
| Fire systems | Fire Protection Systems | $3,000 | |
| Fire systems | Fire Protection Systems | $750 | |
| Alteration or repair | Alteration | $84,000 | |
| Mechanical (HVAC) | HVAC | $18,000 | |
| Alteration or repair | Alteration | $24,000 | |
| Mechanical (HVAC) | HVAC | $12,800 | |
| Fire systems | Fire Protection Systems | $2,600 | |
| Fire systems | Fire Protection Systems | $2,000 | |
| Mechanical (HVAC) | HVAC | $50,000 | |
| Alteration or repair | Alteration | $388,321 | |
| Fire systems | Fire Protection Systems | $1,750 | |
| Mechanical (HVAC) | HVAC | $18,500 | |
| Fire systems | Fire Protection Systems | $2,900 | |
| Fire systems | Fire Protection Systems | $2,750 | |
| Alteration or repair | Alteration | $120,000 | |
| Alteration or repair | Alteration | $400,000 | |
| Fire systems | Fire Protection Systems | $1,500 | |
| Fire systems | Fire Protection Systems | $1,000 | |
| Plumbing | Plumbing Permits | $1,500 | |
| Alteration or repair | Alteration | $13,000 | |
| Fire systems | Fire Protection Systems | – | |
| Fire systems | Fire Protection Systems | $1,500 | |
| Fire systems | Fire Protection Systems | $1,100 | |
| Fire systems | Fire Protection Systems | $1,480 | |
| Mechanical (HVAC) | HVAC | $3,000 | |
| Plumbing | Plumbing Permits | $10,000 | |
| Alteration or repair | Alteration | $48,000 | |
| Mechanical (HVAC) | HVAC | $11,000 | |
| Plumbing | Plumbing Permits | $175 | |
| Fire systems | Fire Protection Systems | $6,800 | |
| Mechanical (HVAC) | HVAC | $35,000 | |
| Fire systems | Fire Protection Systems | $3,000 | |
| Alteration or repair | Alteration | $215,000 | |
| Fire systems | Fire Protection Systems | $2,000 | |
| Alteration or repair | Alteration | $115,000 | |
| Fire systems | Fire Protection Systems | $500 | |
| Alteration or repair | Alteration | $7,100 | |
| Mechanical (HVAC) | HVAC | $900 | |
| Fire systems | Fire Protection Systems | $1,500 | |
| Alteration or repair | Alteration | $17,000 | |
| Fire systems | Fire Protection Systems | $2,000 | |
| Fire systems | Fire Protection Systems | $16,500 | |
| Alteration or repair | Alteration | $30,000 | |
| Fire systems | Fire Protection Systems | $7,600 | |
| Fire systems | Fire Protection Systems | $16,500 | |
| Mechanical (HVAC) | HVAC | $265,000 | |
| Alteration or repair | Alteration | $58,000 | |
| Mechanical (HVAC) | HVAC | $4,500 | |
| Fire systems | Fire Protection Systems | $1,800 | |
| Fire systems | Fire Protection Systems | $1,800 | |
| Fire systems | Fire Protection Systems | $16,000 | |
| Fire systems | Fire Protection Systems | $1,000 | |
| Plumbing | Plumbing Permits | $15,000 | |
| Alteration or repair | Alteration | $2,925,000 | |
| Alteration or repair | Alteration | $10,000 | |
| Mechanical (HVAC) | HVAC | $10,000 | |
| Alteration or repair | Alteration | $100,000 | |
| Fire systems | Fire Protection Systems | $750 | |
| Alteration or repair | Alteration | $10,000 | |
| Mechanical (HVAC) | HVAC | $1,500 | |
| Fire systems | Fire Protection Systems | $750 | |
| Alteration or repair | Alteration | $10,500 | |
| Mechanical (HVAC) | HVAC | $19,500 | |
| Fire systems | Fire Protection Systems | $750 | |
| Fire systems | Fire Protection Systems | $1,800 | |
| Mechanical (HVAC) | HVAC | $15,200 | |
| Alteration or repair | Alteration | $29,000 | |
| Fire systems | Fire Protection Systems | $27,220 | |
| Plumbing | Plumbing Permits | $4,500 | |
| Fire systems | Fire Protection Systems | $1,500 | |
| Fire systems | Fire Protection Systems | $2,000 | |
| Mechanical (HVAC) | HVAC | $36,000 | |
| Alteration or repair | Alteration | $91,000 | |
| Fire systems | Fire Protection Systems | $500 | |
| Mechanical (HVAC) | HVAC | $7,000 | |
| Alteration or repair | Alteration | $6,000 | |
| Fire systems | Fire Protection Systems | $17,900 | |
| Fire systems | Fire Protection Systems | – | |
| Plumbing | Plumbing Permits | $30,000 | |
| Mechanical (HVAC) | HVAC | $106,000 | |
| Alteration or repair | Alteration | $2,400,000 | |
| Fence, wall or deck | Misc. Structures | $4,200 | |
| Fire systems | Fire Protection Systems | $1,800 | |
| Fire systems | Fire Protection Systems | $1,500 | |
| Fire systems | Fire Protection Systems | $2,200 | |
| Fire systems | Fire Protection Systems | $2,500 | |
| Fire systems | Fire Protection Systems | $2,100 | |
| Fire systems | Fire Protection Systems | $900 | |
| Mechanical (HVAC) | HVAC | $8,000 | |
| Mechanical (HVAC) | HVAC | $19,100 | |
| Alteration or repair | Alteration | $17,000 | |
| Fire systems | Fire Protection Systems | $2,000 | |
| Fire systems | Fire Protection Systems | $4,200 | |
| Fire systems | Fire Protection Systems | $3,000 | |
| Fire systems | Fire Protection Systems | $20,582 | |
| Alteration or repair | Alteration | $25,760 | |
| Alteration or repair | Alteration | $50,000 | |
| Fire systems | Fire Protection Systems | $17,050 | |
| Fire systems | Fire Protection Systems | $10,965 | |
| Mechanical (HVAC) | HVAC | $28,400 | |
| Alteration or repair | Alteration | $85,000 | |
| Fire systems | Fire Protection Systems | $10,965 | |
| Plumbing | Plumbing Permits | $5,000 | |
| Alteration or repair | Alteration | $541,546 | |
| Mechanical (HVAC) | HVAC | $72,500 | |
| Alteration or repair | Alteration | $60,750 | |
| Mechanical (HVAC) | HVAC | $17,200 | |
| Fire systems | Fire Protection Systems | $2,000 | |
| Mechanical (HVAC) | HVAC | $18,000 | |
| Plumbing | Plumbing Permits | $4,800 | |
| Fire systems | Fire Protection Systems | $1,900 | |
| Fire systems | Fire Protection Systems | $2,800 | |
| Fire systems | Fire Protection Systems | $1,000 | |
| Mechanical (HVAC) | HVAC | $17,400 | |
| Alteration or repair | Alteration | $117,000 | |
| Fire systems | Fire Protection Systems | $4,000 | |
| Fire systems | Fire Protection Systems | $1,500 | |
| Alteration or repair | Alteration | $200,000 | |
| Plumbing | Plumbing Permits | $4,500 | |
| Alteration or repair | Alteration | $26,000 | |
| Fence, wall or deck | Misc. Structures | $4,200 | |
| Fire systems | Fire Protection Systems | $4,250 | |
| Fire systems | Fire Protection Systems | $1,750 | |
| Mechanical (HVAC) | HVAC | $180,000 | |
| Fire systems | Fire Protection Systems | $39,000 | |
| Mechanical (HVAC) | HVAC | $9,100 | |
| Fire systems | Fire Protection Systems | $1,800 | |
| Fire systems | Fire Protection Systems | $4,900 | |
| Plumbing | Plumbing Permits | $15,000 | |
| Mechanical (HVAC) | HVAC | $107,700 | |
| Alteration or repair | Alteration | $55,000 | |
| Alteration or repair | Alteration | $1,200,000 | |
| Fire systems | Fire Protection Systems | $2,000 | |
| Alteration or repair | Alteration | $322,000 | |
| Alteration or repair | Alteration | $60,000 | |
| Mechanical (HVAC) | HVAC | $4,000 | |
| Alteration or repair | Alteration | $136,000 | |
| Alteration or repair | Alteration | $10,000 | |
| Fire systems | Fire Protection Systems | $8,000 | |
| Mechanical (HVAC) | HVAC | $14,000 | |
| Fire systems | Fire Protection Systems | $1,750 | |
| Plumbing | Plumbing Permits | $4,500 | |
| Fire systems | Fire Protection Systems | $1,500 | |
| Fire systems | Fire Protection Systems | $2,700 | |
| Fire systems | Fire Protection Systems | $4,500 | |
| Alteration or repair | Alteration | $225,000 | |
| Alteration or repair | Alteration | $10,000 | |
| Fire systems | Fire Protection Systems | $22,000 | |
| Fire systems | Fire Protection Systems | $1,500 | |
| Mechanical (HVAC) | HVAC | $190,000 | |
| Fire systems | Fire Protection Systems | $15,250 | |
| Grading | Excavation/Fill | – | |
| Alteration or repair | Alteration | $2,148,772 | |
| Plumbing | Plumbing Permits | $24,300 | |
| Mechanical (HVAC) | HVAC | $42,000 | |
| Alteration or repair | Alteration | $120,000 | |
| Alteration or repair | Alteration | $117,000 | |
| Elevator | Elevator Permit | $1,201,440 | |
| Elevator | Elevator Permit | $943,025 | |
| Elevator | Elevator Permit | $428,200 | |
| Fire systems | Fire Protection Systems | $750 | |
| Fire systems | Fire Protection Systems | $2,000 | |
| Mechanical (HVAC) | HVAC | $8,500 | |
| Mechanical (HVAC) | HVAC | $6,800 | |
| Alteration or repair | Alteration | $4,500 | |
| Fire systems | Fire Protection Systems | $750 | |
| Alteration or repair | Alteration | $18,000 | |
| Fire systems | Fire Protection Systems | $750 | |
| Fire systems | Fire Protection Systems | $1,800 | |
| Fire systems | Fire Protection Systems | $250 | |
| Mechanical (HVAC) | HVAC | $800 | |
| Alteration or repair | Alteration | $9,000 | |
| Alteration or repair | Alteration | $32,000 | |
| Mechanical (HVAC) | HVAC | $8,800 | |
| Fire systems | Fire Protection Systems | $4,000 | |
| Fire systems | Fire Protection Systems | – | |
| Mechanical (HVAC) | HVAC | $34,000 | |
| Alteration or repair | Alteration | $230,000 | |
| Plumbing | Plumbing Permits | $2,500 | |
| Fire systems | Fire Protection Systems | $250 | |
| Mechanical (HVAC) | HVAC | $1,400 | |
| Alteration or repair | Alteration | $10,850 | |
| Alteration or repair | Alteration | $9,000 | |
| Mechanical (HVAC) | HVAC | $1,400 | |
| Alteration or repair | Alteration | $10,000 | |
| Fence, wall or deck | Misc. Structures | $4,200 | |
| Plumbing | Plumbing Permits | $500 | |
| Alteration or repair | Misc. Structures | $6,000 | |
| Fire systems | Fire Protection Systems | $6,734 | |
| Fire systems | Fire Protection Systems | $2,500 | |
| Alteration or repair | Alteration | $7,643 | |
| Mechanical (HVAC) | HVAC | $15,000 | |
| Alteration or repair | Alteration | $350,000 | |
| Fire systems | Fire Protection Systems | $250 | |
| Plumbing | Plumbing Permits | $1,200 | |
| Fire systems | Fire Protection Systems | $2,538 | |
| Alteration or repair | Alteration | $12,700 | |
| Mechanical (HVAC) | HVAC | $3,300 |
Cincinnati Department of Buildings and Inspections last updated its data Oct 1, 2026. We checked it 2026-10-02 08:20 UTC. Official data.