PDB FOUNDATION

Nonpartisan civic infrastructure

AllCiv·Legis1

Private foundation

DBA: % MARK BAMFORTH

Foundations · CAMBRIDGE, MA · EIN 82-3779206

In care of MARK Bamforth

Donations are tax-deductible

FY ending 2024-12-31

Revenue

—

Expenses

—

Assets

$80.1M

Liabilities

$12K

No revenue/expense data reported.

Campaign Spending

—

Lobbying

—

Grants Given

$4.4M

PDB FOUNDATION

Your actions

99 Irving ST

Cambridge, MA, 02138-202

Public records

Full 990 PDFs going back to 2001, plus parsed financial extracts. The easiest place to read actual filings.

IRS-side authoritative source. Confirms current exempt status and pulls the latest determination letter.

These open in a new tab. AllCiv doesn't host filings directly — these are the authoritative public-record sources.