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Mount Si High School Band Boosters

EIN 45-3638790North Bend, WAEducationLatest 990 FY2025

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Listed with the IRS. Every screen came back clear.

A 501(c)(3) on Publication 78 and the IRS master file.

A paid feature, included from the $75 plan up. Sign in to download.Checked Nov 7, 2026, 4:15 AM ET
IRS nonprofit listing
No issue
Revocation
None
IRS files
Agree
Sanctions
No match
IRS bulletin
No notice
California
No record
Charity type
509(a)(1)

$99krevenue
FY2025 · −7% in 3 yrs
5 of 5years filed
’21’22’23’24’25
Revenue and spendingRevenueSpendingDeficit
$0$25k$50k$75k$100k$125k’21’22’23’24’25
Against similar nonprofits FY2025
Operating margin26.7%
Revenue growth (annualized)+59.4%
Middle half of peersMedianMount Si High School Band Boosters