# Plumbing permit PL44781 at 30 Washington St, Boston

Boston Inspectional Services Department permit PL44781: issued Sep 29, 2010 for plumbing work at 30 Washington St. Install preassembled domestic hot water, cogereration water heater using indirect hot water off main plant. Conncect 9D backflow and pressure reducing device preassembled on plant. Our work consist only of making final connection of plant to piping system to existing flat plate heat exchangers.

- Permit number: PL44781
- Issued: Sep 29, 2010
- Type of work: Plumbing (city: Plumbing, Plumbing Permit)
- Status: Finished (city: Closed)
- Reported cost: $2,000
- ZIP code: 02129
- All permits at this address: https://nearbypermits.com/boston/address/30-washington-st/

---
Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-11 17:57 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 30 Washington St: https://nearbypermits.com/boston/address/30-washington-st/