Mission
TO SUSTAIN AND ENHANCE LOWELL OBSERVATORY'S MISSION OF RESEARCH AND EDUCATION BY GENERATING PERPETUAL FINANCIAL SUPPORT.
Public Charity
LOWELL OBSERVATORY FOUNDATION
LOWELL OBSERVATORY FOUNDATION, of FLAGSTAFF, AZ, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $1.9M in revenue, $5.6M in expenses, $11.1M in total assets. 10 publicly reported grants to this organization, totaling roughly $1.9M, appear in IRS filings.
EIN: 472052113
FLAGSTAFF, AZ
Single Organization Support
NTEE: U11
Latest filing: 2025
Total Revenue$1.9M
Total Expenses$5.6M
Total Assets$11.1M
Grant Records10
Funding Total$1.9M
Filing Years2021–2025
Where $100 goes at Lowell Observatory Foundation
How Lowell Observatory Foundation divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.
$92
Programs
the work itself
$5
Management
running the organization
$3
Fundraising
raising the next dollar
Inside the $92 for programs
$92
The Lowell Observatory Foundation (lof) accepts gifts for endowed funds and manages the funds to support the observatory's general operations and the growth of the endowed funds
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Sample Grants Received
PUBLIC, SOCIETAL BENEFIT
$16,500
FOR RECIPIENT'S EXEMPT PURPOSE
$69,796
TO FUND AN ENDOWMENT
$38,164
TO FUND AN ENDOWMENT
$539,611
TO FUND AN ENDOWMENT
$53,300
Showing up to 5 of 10 total records — full history available with membership.
Officers & Directors
CHIEF FINANCIAL OFFICER
Anne Labruzzo
TRUSTEE
Camille Bibles
TRUSTEE
David D Chase
TRUSTEE
Donna Weistrop
BOARD VICE-CHAIR
George Putnam Iii
EXECUTIVE DIRECTOR
Leslie Currie
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $1.9M | $5.6M | $11.1M |
| 2024 | $1.6M | $463K | $15.2M |
| 2023 | $3.8M | $432K | $14.0M |
| 2022 | $588K | $380K | $9.6M |
| 2021 | $1.1M | $668K | $10.9M |
Between 2021 and 2025, reported annual revenue grew from $1.1M to $1.9M (+75%), with total assets most recently reported at $11.1M.
Interactive year-over-year charts and full filing details available with membership.