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Arizona · Nonprofit

BIG BROTHERS BIG SISTERS OF FLAGSTAFF

BIG BROTHERS BIG SISTERS OF FLAGSTAFF (Arizona) receives grants from 10 organizations whose IRS filings report $773,890 to it, the largest being UNITED WAY OF NORTHERN ARIZONA INC ($485,614). 8 of them have funded it in more than one year.

Revenue FY2025
$488k
Funders on record
10
Grants received
$774k
Net assets
$14k
8/10 repeat funderspeak grant-dependency 21%
01What it does

What Big Brothers Big Sisters of Flagstaff does

Mission

Fellowship and guidance for children with one parent in the household

As stated on its FY2025 Form 990.

Program

  1. Big Brothers Big Sisters of Flagstaff provides adult companionship and guidance to boys and girls on a one to one basis for approximatey 560 boys and girls

    $265,794 spent
    100% of program spending

The program described on its FY2024 Form 990. Program spending in total: $265,794.

02The organization over time

The organization over time

Each line starts at 100 in 2019, so what you read is the shape rather than the size: 150 means half as much again as 2019, 50 means half. The number beside each label in the key is where it ended.

100 = 20192019 Revenue 100 ($493k) Expenses 100 ($516k) Net assets 100 ($351k)2020 Revenue 99 ($490k) Expenses 103 ($530k) Net assets 89 ($311k)2021 Revenue 99 ($488k) Expenses 97 ($501k) Net assets 85 ($298k)2022 Revenue 101 ($499k) Expenses 105 ($543k) Net assets 72 ($252k)2023 Revenue 88 ($432k) Expenses 113 ($582k) Net assets 30 ($104k)2024 Revenue 94 ($464k) Expenses 111 ($575k) Net assets -2 ($-6132)2025 Revenue 99 ($488k) Expenses 91 ($468k) Net assets 4 ($14k)
2019202020212022202320242025
Revenue (99)Expenses (91)Net assets (4)

Balance sheet

Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2019 to 2020, from $681k to $846k (+24%).

$681k
$846k
$807k
$852k
$707k
$582k
$538k
2019202020212022202320242025
Total assetsTotal liabilities

How it's funded, over time

Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.

2019
2020
2021
2022
2023
2024
2025
ContributionsProgram revenueInvestmentOther

Surplus & reserves

Operating surplus or deficit each year, and months of liquidity in hand. 6 of the last 7 reported years ran a deficit.

−$23k
’19
−$40k
’20
−$13k
’21
−$44k
’22
−$149k
’23
−$111k
’24
$21k
’25
2.2
months of
reserve

Leadership and staff

The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.

2019202020212022202320242025
Listed23221818201818
Joined·+2+4+0+7+5+0
No longer listed·380570
03Who funds it

Who funds it, year by year

2017 → 2023: the base broadened from 3 funders to 6 funders, grant income rose $25k → $92k.

3 of 10 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 29% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.

From the IRS filings of BIG BROTHERS BIG SISTERS OF FLAGSTAFF’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

How concentrated its funding is

BIG BROTHERS BIG SISTERS OF FLAGSTAFF leans on a few funders — its largest provides 63% of grant income and the top three 94%; half comes from just 1 funder.

the vertical line marks half of all grant income — 1 funder to its left

96% of the income these shares are computed over arrives through pass-through sponsors or from payers whose filings do not say what kind of payment it is. Concentration is still measured over all of it, because the money is real; what it does not support is a claim about how many institutions have chosen to fund BIG BROTHERS BIG SISTERS OF FLAGSTAFF.

63%
largest funder
94%
top three
~2
effective funders

Largest funder’s share by year: 2017 92% · 2018 79% · 2019 82% · 2020 75% · 2021 59% · 2022 67% · 2023 60% — diversifying over time.

“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

How long its funders stay

71% of BIG BROTHERS BIG SISTERS OF FLAGSTAFF's funders are still giving 3 years after their first grant; 80% give in more than one year at all.

first grant+1y+2y+3y+4y+5y

Share of funders still giving k years after their first recorded grant, pooled across every acquisition cohort. A funder counts as retained in a year only if it made a grant that year. Measured to FY2023, the last fiscal year that has finished arriving — a funder cannot be counted as lapsed in a year most filers have not reached.

Where its funders are

99% of BIG BROTHERS BIG SISTERS OF FLAGSTAFF's grant income comes from Arizona funders.

AZ
NC
TX

In-state vs out-of-state, by year

’17
’18
’19
’20
’21
’22
’23
Arizona out of state home

Funder states come from each funder’s own filing. $223k arriving through sponsors registered in 2 states is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

04Its place in the field

Organizations like BIG BROTHERS BIG SISTERS OF FLAGSTAFF

Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.

In Arizona

Nationally

05Profile & governance

Read directly from this organization’s own Form 990, as neutral context.

Where the money goes

57% of spending goes to programs.

Program 57%Management 27%Fundraising 16%

Governance

17
board members
100%
independent
✓Conflict-of-interest policy✓Whistleblower policy✓Document retention✓Board reviewed the 990–Audited financials

Public support

99%

Share of support from the public (Schedule A) — the basis for its public-charity status.

Screen this organization

A dated, signed PDF of the compliance screen for BIG BROTHERS BIG SISTERS OF FLAGSTAFF: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.

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Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf

Questions and answers

Who funds BIG BROTHERS BIG SISTERS OF FLAGSTAFF?
BIG BROTHERS BIG SISTERS OF FLAGSTAFF (Arizona) receives grants from 10 organizations whose IRS filings report $773,890 to it, the largest being UNITED WAY OF NORTHERN ARIZONA INC ($485,614). 8 of them have funded it in more than one year.
How many funders does BIG BROTHERS BIG SISTERS OF FLAGSTAFF have?
IRS filings report 10 organizations giving $773,890 in grants to BIG BROTHERS BIG SISTERS OF FLAGSTAFF, 8 of which have funded it in more than one year.
Who is the largest funder of BIG BROTHERS BIG SISTERS OF FLAGSTAFF?
UNITED WAY OF NORTHERN ARIZONA INC is the largest funder on record, with $485,614 in grants. The full list of funders is on this page.
How can an organization like BIG BROTHERS BIG SISTERS OF FLAGSTAFF find more funders?
Start with the funders already giving here, then look at the foundations that back similar organizations in Arizona. The funding by cause and by state pages list the largest funders for a given area and how to approach them.

Play a game about who funds Big Brothers Big Sisters of Flagstaff →

These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2019–2025), and the filings of 10 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 22, 2026. What this page cannot tell you · view filing