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Mariposa Housing Inc

Mariposa's mission is to provide affordable very low-income permanent supportive housing in the community, and mental health services to individuals with a serious and long term psychiatric disability.

Education Monterey, CA EIN: 770313172 (IRS) Sign up to see website
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86
Integrity Assessment
Strong transparency
86/100 · methodology

About Mariposa Housing Inc

Interim, Inc. – Mental Health, Housing, and Support Services in Monterey County Interim, Inc. is a nonprofit organization providing housing, treatment, and support services for adults with serious mental illnesses in Monterey County, California. Founded in 1975, Interim follows a social rehabilitation model, helping individuals develop the skills and support systems necessary for independent living and recovery. Our Services Include: Supportive Housing – A range of housing options, including emergency, transitional, and permanent supportive housing for individuals with mental health needs. Residential Treatment Programs – Structured, community-based living environments that offer mental health support and skill development. Crisis Residential Services – Short-term crisis intervention programs providing an alternative to psychiatric hospitalization. Outpatient Mental Health Services – Case management, medication support, …

Founded
Headquarters
Monterey, CA
Foundation type
Publicly-supported charity (509(a)(2))
NTEE code
Z99Z
IRS subsection
501(c)(03)
Ruling date
Size
small

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1996

Mission

Mariposa's mission is to provide affordable very low-income permanent supportive housing in the community, and mental health services to individuals with a serious and long term psychiatric disability.

Focus areas & reach

· What they work on and where
📚 Education · NTEE Z99Z
Cause tags
SDG alignment The 17 UN Sustainable Development Goals (SDGs) are the global agenda for ending poverty, protecting the planet, and ensuring prosperity by 2030. We tag each charity to the goals its work advances.

How it stacks up against peers

· vs. 8 similar education in United States
Program spending This charity: 71%
Peer average: 74%
Integrity Assessment This charity: 86
Peer average: 90

Concerns

· None found
No red flags found
Screened for IRS revocation history, Open investigations, Governance scandals, Related-party deals, Excessive exec comp.

Where every $1 goes

· FY2025 · IRS 990 (FY2025)
$0.71
Program$0.71

GiveRadar Analysis

Original analysis from GiveRadar's dataset of comparable organizations

From what GiveRadar has verified so far, Mariposa Housing Inc has a complete profile, cross-referenced across 3 independent sources including the IRS.

  • GiveRadar has verified more about this organization than about 96% of the 195,586 education charities in the United States it tracks, because GiveRadar has verified its financial disclosures and its registration. Most of those have little verified data on record yet. View this cohort
  • GiveRadar holds 6 years of financial filings for this organization, the most recent for fiscal year 2025 - a deeper filing history than 89% of the 90,222 education charities in the United States with filings on record. See the filings
  • It has more complete contact information than nearly all similar organizations, with a verified website, email, phone and address on record. See national comparisons
GiveRadar has verified
  • government registration
  • financial records (6 filed years)
  • disclosed leadership
  • a website
  • a contact email
  • a donation page
Not yet verified by GiveRadar
  • an owner-submitted profile claim

Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.

Common questions

· Auto-generated from filings + methodology

Mariposa Housing Inc is a registered education nonprofit based in Monterey, CA, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1992 and has been operating for 34 years. Its EIN is 770313172. According to GiveRadar's records, it holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. GiveRadar's Integrity Assessment for the organization is 86/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $348K in annual revenue. 63 officers and directors are publicly disclosed. No red flags have been detected.

Mariposa Housing Inc's EIN (Employer Identification Number) is 770313172. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.

Mariposa Housing Inc has a GiveRadar Integrity Assessment of 86/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 86 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for education charities in United States is 90/100.

Mariposa Housing Inc is located in Monterey, CA, United States. The organization was established in 1992 and has been active for 34 years.

Based on official tax filings, Mariposa Housing Inc has $348K in annual revenue. It allocates 71% of expenses to programs and services. This is in line with the average of 74% for education charities in United States. Its revenue is below the peer average of $7M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Mariposa Housing Inc is classified as an Education organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a small organization. It has $348K in annual revenue. The organization has 63 disclosed officers and directors.

No red flags have been detected for Mariposa Housing Inc. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

According to GiveRadar's records, Mariposa Housing Inc holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. It is registered with the Internal Revenue Service (IRS). It reports that 71% of expenses go to programs (the peer average is 74%). You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research and does not endorse any organization. A GiveRadar Integrity Assessment reflects how much public data is available, not whether an organization is safe to donate to, so it is always smart to do your own research before giving.

Interim, Inc. – Mental Health, Housing, and Support Services in Monterey County Interim, Inc. is a nonprofit organization providing housing, treatment, and support services for adults with serious mental illnesses in Monterey County, California. Founded in 1975, Interim follows a social rehabilitation model, helping individuals develop the skills and support systems necessary for independent living and recovery. Our Services Include: Supportive Housing – A range of housing options, including emergency, transitional, and permanent supportive housing for individuals with mental health needs. Residential Treatment Programs – Structured, community-based living environments that offer mental health support and skill development. Crisis Residential Services – Short-term crisis intervention programs providing an alternative to psychiatric... Mariposa Housing Inc is classified as an education organization registered in United States. The organization was founded in 1992.

Among education charities registered in United States: It allocates 71% of expenses to programs, in line with the peer average of 74%. Its annual revenue of $348K is below the peer average of $7M.

Yes, donations to Mariposa Housing Inc are generally tax-deductible in the United States. Mariposa Housing Inc is a 501(c)(3) tax-exempt organization. Its EIN is 770313172, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Annual revenue
$100K-$1M
71% to programs
Source: IRS 990 (FY2025) why this matters
Unlock exact figures

Filing history

6 years on file from IRS 990 (FY2025): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2025, FY2024, FY2023, FY2022, FY2021, FY2020.
Financial details are free - with a GiveRadar account

See 5 years of revenue, expense breakdowns, and balance sheet.

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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Leadership

From FY2025 filing

MA
Mark S•••
President

Officers & trustees (19)

Source: Public filings

See full names, roles, and stories

19 officers and trustees on file - free with a GiveRadar account.

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Latest news

From global news sources

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
$0.3M revenue
FY2025
IRS 990
Form filed
$0.3M revenue
FY2024
IRS 990
Form filed
$0.3M revenue
FY2023
IRS 990
Form filed
$0.3M revenue
FY2022
IRS 990
Form filed
$0.3M revenue
FY2021
IRS 990
Form filed
$0.3M revenue
FY2020
IRS 990

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Cause areas in United States

How many charities work in each area, with this charity's area highlighted.

Human Services 322,679
Education this charity 195,586
Arts & Culture 133,128
Advocacy & Civil Rights 128,026
Religion 114,636
Health 98,862
Community Development 56,086
Youth Development 53,450
See all cause areas in United States

Most common causes in United States

Causes charities work on most.

Community Development 235,146
Education 159,016
Religion 103,741
Arts & Culture 101,203
Human Rights 76,926
Health 65,250
Youth Development 47,775
Animal Welfare 32,425

Sources and verification

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2025 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 63 disclosed in the public registry.
Supplementary verification
Charity Navigator

Data freshness

Last updated
Jun 12, 2026
Registry checked
Jun 6, 2026
Profile completeness
75%

What we know and don't know

Exactly which public data we hold on this charity. Our score reflects transparency, not impact.

On record · 9
  • Financial data · FY2025 on record
  • Named leadership · 63 officers on file
  • Government registration · Registered with an official registry
  • Mission statement · Published
  • Official website · On record
  • Headquarters address · On file
  • Direct contact · Email or phone published
  • Tax-deductibility · Verified
  • Founding date · 1992
Not available · 2
  • Executive pay
    Top-officer pay not disclosed
  • Programs & activities
    No named programs listed by the charity

Methodology

GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.

Read full methodology

Are you the owner or a board member?

If you represent this organization and want to correct or update its data, you can claim this listing to edit details yourself, or email [email protected] with the correct information. We review every request and respond within 30 days.

Quick facts about Mariposa Housing Inc

What is Mariposa Housing Inc?
Mariposa Housing Inc is a education publicly-supported charity (509(a)(2)) based in Monterey, United States. Interim, Inc. – Mental Health, Housing, and Support Services in Monterey County Interim, Inc. is a nonprofit organization providing housing, treatment, and support services for adults with serious mental illnesses in Monterey County, California. Founded in 1975, Interim follows a social rehabilitation model, helping individuals develop the skills and support systems necessary for independent living and recovery. Our Services Include: Supportive Housing – A range of housing options, including emergency, transitional, and permanent supportive housing for individuals with mental health needs. Residential Treatment Programs – Structured, community-based living environments that offer mental health support and skill development. Crisis Residential Services – Short-term crisis intervention programs providing an alternative to psychiatric hospitalization. Outpatient Mental Health Services – Case management, medication support, psychiatric services, and therapy. Employment & Vocational Services – Job training, placement assistance, and supported employment opportunities. Peer Support & Wellness Programs – Recovery-oriented programs led by individuals with lived experience, fostering personal growth and empowerment. Interim, Inc. is committed to social rehabilitation, emphasizing skill-building, empowerment, and individualized support to help people achieve stability and meaningful lives within the community. For more information, visit www.interiminc.org or call (831) 649-4522.
When was Mariposa Housing Inc founded?
Mariposa Housing Inc was founded in 1992.
Who leads Mariposa Housing Inc?
Mark Shaw serves as President.
Where is Mariposa Housing Inc located?
Headquartered in Monterey, CA, United States.
What is Mariposa Housing Inc's annual budget?
Annual revenue for fiscal year 2025 is approximately $100K-$1M. 71% of expenses go to program services.
Is Mariposa Housing Inc trustworthy?
Mariposa Housing Inc has a GiveRadar Integrity Assessment of 86 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Mariposa Housing Inc's registration number?
IRS EIN: 770313172.
What is Mariposa Housing Inc's website?
http://www.interiminc.org