Nonpartisan civic infrastructure
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Tandem Philanthropies

Private foundation
DBA: % DAVID SIZE
Foundations · SANTA ROSA, CA · EIN 38-4055324

About

In care of David Size

Donations are tax-deductible
Category
Foundations
Employees
—
Volunteers
—

Financial Snapshot

FY ending 2022-12-31
Revenue
—
Expenses
—
Assets
$32.9M
Liabilities
$0

Financial history

No revenue/expense data reported.

Political & Grant Activity

Campaign Spending
—
Lobbying
—
Grants Given
$1.1M
TANDEM PHILANTHROPIES
Your actions

Address

3558 Round BARN BLVD STE 300
Santa ROSA, CA, 95403-099
Public records
ProPublica Nonprofit Explorer ↗
Full 990 PDFs going back to 2001, plus parsed financial extracts. The easiest place to read actual filings.
IRS Tax Exempt Organization Search ↗
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.