Permit Record

MEP Mechanical HVAC

420 WALNUT ST, CINCINNATI, OH

ClassificationHVAC / ExistingCommercial MEP
Reliable value$30,000
Contractor"MECHANICAL OPTIMIZERS LLC/DAVID DEIDESHEIMER"
Summary
Permit type
MEP Mechanical HVAC
Work class
Commercial
Building subtype
"a-2 (1)"
Issued
2026-06-22
Applied
2026-06-22
Valuation
$30,000
Contractor
"MECHANICAL OPTIMIZERS LLC/DAVID DEIDESHEIMER"
Applicant
Not in source
Scope
Square footage
Not in source
Units (total)
Not in source
Units (residential)
Not in source
Units (commercial)
Not in source
Building characteristics

Enrichment-derived building attributes — building type, climate zone, and roof / HVAC estimates inferred from the parcel + permit signals. Sparse until the enrichment pass lands per metro.

Climate zone (IECC)
4A
PLUTO context

Parcel + zoning attributes joined from the jurisdiction's PLUTO layer. Detail-only join — list-endpoint rows don't carry this.

Parcel APN
008300010163
Data-quality checks0 of 12 flagged

0 of 12 data-quality rules flagged anything on this permit.

Checks not flagged

  • Geocode out of bounds
  • Geocode is sentinel
  • Issued date in the future
  • Issued date parse bug
  • Issued date is placeholder
  • Commercial units is placeholder
  • Residential units out of bounds
  • Residential units is placeholder
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Related permits at this address

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Other permits by "MECHANICAL OPTIMIZERS LLC/DAVID DEIDESHEIMER"

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Developer details
display_permit_id
cincinnati_2026P05529
canonical_uid
325:cincinnati_2026P05529
source_permit_id
cincinnati_2026P05529
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