licensed child care center
GUIDEPOST MONTESSORI AT MILL VALLEY
Mill Valley, CA
Youth and community nonprofits / California / Mill Valley
Arts education
Artmosphere Nonprofit Inc
A tax-exempt nonprofit in Mill Valley, California, classified by the IRS as arts education. For the year ending May 2025 it reported $15,120 in revenue and $18,929 in expenses.
What it says it does
“The specific purpose of this corporation 'Artmosphere Nonprofit Inc' is primarily to advocate for arts educationnationally while positioning art within the sphere of global public policy, social justice, and community advocacy. Ourphilanthropic endeavors extend beyond advocacy to encompass various charitable activities and programming, allaligned to fostering artistic enrichment, education, and...”From the organization's Form 990-EZ for the year ending May 2025, as written (including spelling); all-capital text shown in normal capitalization.
IRS facts
Type: Arts education (IRS activity code A25)
Mailing city (IRS): Mill Valley, California 94941
EIN: 93-1876063
Tax status: 501(c)(3), eligible to receive tax-deductible donations; IRS-recognized as tax-exempt since 2023, per IRS records posted October 13, 2026.
Revenue on its latest IRS filing: $15,120 (year ending May 2025)
Check its status on IRS Tax Exempt Organization Search · Filings on ProPublica Nonprofit Explorer
Artmosphere Nonprofit Inc finances
From the annual returns the group files with the IRS (Form 990, or the shorter Form 990-EZ for smaller groups), 1 filed year. Net assets are what it owns minus what it owes; management and general is office, admin and insurance cost. A dash means not reported (the short form does not ask for employees or volunteers). Each figure links to that year's return. A year is left out when no return is in the IRS e-file data; that does not mean the group was inactive.
| Year ending | May 2025 |
|---|---|
| Total revenue | $15,120 |
| Total expenses | $18,929 |
| Total assets | $0 |
| Liabilities | $1,334 |
| Net assets | -$1,334 |
| IRS form | Form 990-EZ |
Where the money comes from, year ending May 2025
Only one return is loaded, so we show no growth label.
Source: IRS Form 990 Series Downloads (the returns open on ProPublica Nonprofit Explorer, which republishes the IRS files). Figures are as the organization filed them. California nonprofit.
How it compares
3 of 5 arts education nonprofits in Mill Valley when sorted from largest to smallest revenue. This shows size only, not quality. Groups with no reported revenue are listed last.
Size: revenue of $15,120 is in the bottom 10% of the 246 arts education nonprofits in California that report revenue to the IRS (the city count above also includes groups with none). The median is $179,559.
Our analysis of the IRS Business Master File (posted October 13, 2026), using each group's latest reported revenue. Groups are sorted by revenue and split into ten equal bands, using all California groups of this type (Arts education, which covers several IRS activity codes). Size only, not a rating.
Around Mill Valley and its county
Marin County, California: the Census Bureau estimates about 47,838 children under 18 (July 1, 2024). This directory lists 184 youth and community nonprofits with a mailing ZIP code in the county, about 3.8 per 1,000 children. The count includes PTAs, arts and day care groups, so it is not a measure of places for kids.
This group's ZIP code is matched to the county that holds most of its area, so counts are approximate. County figures come from the Census Bureau's Vintage 2024 population estimates.
Licensed programs in Mill Valley
14 licensed child care centers, 4 school-age programs are in state licensing records and listed in the BackPR finder. The examples below are not related to this organization.
licensed child care center
JCC PRESCHOOL MILL VALLEY
Mill Valley, CA
licensed child care center
KUMARA DAY SCHOOL
Mill Valley, CA
licensed child care center
LE PETIT JARDIN
Mill Valley, CA
licensed child care center
LITTLE SCHOOL
Mill Valley, CA
licensed child care center
MARIN DAY SCHOOL - MILL VALLEY PRESCHOOL
Mill Valley, CA
California background check rules for youth programs · How BackPR works for arts education nonprofits
Questions about Artmosphere Nonprofit Inc
What is Artmosphere Nonprofit Inc's EIN?
Artmosphere Nonprofit Inc's EIN (Employer Identification Number) is 93-1876063. It is the nine-digit number the IRS uses to identify the organization. Source: IRS Exempt Organizations Business Master File posted October 13, 2026.
Is Artmosphere Nonprofit Inc a nonprofit?
Yes. The IRS lists Artmosphere Nonprofit Inc in Mill Valley, California as tax-exempt under section 501(c)(3), recognized since 2023. This is from the IRS Business Master File posted October 13, 2026. Status can change, so check its current status on the IRS Tax Exempt Organization Search before you donate.
Are donations to Artmosphere Nonprofit Inc tax-deductible?
Yes, the IRS lists gifts to Artmosphere Nonprofit Inc as tax-deductible (IRS Business Master File posted October 13, 2026). How much you can deduct depends on your own taxes, and this is not tax advice. Check its current status on the IRS Tax Exempt Organization Search before you donate.
What does Artmosphere Nonprofit Inc do?
In its own words on its Form 990 for the year ending May 2025: "The specific purpose of this corporation 'Artmosphere Nonprofit Inc' is primarily to advocate for arts educationnationally while positioning art within the sphere of global public policy, social justice, and community advocacy. Ourphilanthropic endeavors extend beyond advocacy to encompass various charitable activities and programming, allaligned to fostering artistic enrichment, education, and..." The IRS classifies it as: Arts education.
How much money does Artmosphere Nonprofit Inc take in?
For the year ending May 2025, Artmosphere Nonprofit Inc reported total revenue of $15,120 and total expenses of $18,929 on its Form 990-EZ (IRS Form 990 e-file data).
Do you run this organization?
You can add your programs, season dates, ages, prices, registration link and logo to this page, or ask us to remove it. BackPR's free plan for 501(c)(3)s handles online registration, payments, waivers and attendance. No subscription and no BackPR fee on what families pay (card processing fees from Stripe still apply).
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Free forms for arts education nonprofits
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Source: IRS Exempt Organizations Business Master File, posted October 13, 2026. We list 501(c)(3) organizations whose IRS activity code is youth development, amateur sports, camps and recreation, parent-teacher groups, children's services, child day care or arts education. We show the city and ZIP code only, never a street address or contact person. A listing is not an endorsement.
Data as of November 8, 2026. Sources: IRS Business Master File (posted October 13, 2026), IRS Form 990 series e-file data, U.S. Census Bureau population estimates (July 1, 2024), state child care licensing records in the BackPR finder. Growth labels, ranks and percentiles are BackPR's own calculations.
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