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Four Mile Historic Park Inc

The mission of the four mile historic park is to educate a diverse community through experiences which promote preservation, interpretation and enjoyment of denver's western heritage.

Denver, CO EIN: 840754945 (IRS) Sign up to see website
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90
Integrity Assessment
Strong transparency
90/100 · methodology

About

Step back in time and rediscover a historic oasis in the heart of the city with a tour of the beautiful Four Mile House museum, Denver’s oldest standing structure.

Mission

The mission of the four mile historic park is to educate a diverse community through experiences which promote preservation, interpretation and enjoyment of denver's western heritage.

Founder story
Not yet on file. The organization can add how and why it was founded by claiming this profile. Registered with the IRS since April 1978.

Focus & reach

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.
11Sustainable Cities and Communities SDG 11 · Sustainable Cities and Communities Make cities and human settlements inclusive, safe, resilient, and sustainable.Browse all SDG 11 charities →

Verification & registration

Check them yourself

Every mark links to the official registry entry - opens in a new tab.

IRS
Exempt Organizations · EIN 840754945
Tax-deductible (Pub 78)
501(c)(c3)
Federal tax-exempt subsection
Since 1978

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1978

Integrity assessment

A 0-100 measure of public-data transparency - registration, financial disclosure, governance, contact details, and recency. It does not measure programme impact.

Registration 16/20
('Government registration ID on record', 8)
('Sourced from official registry', 4)
('Cross-referenced (2+ sources)', 4)
('Profile not yet claimed by organization', 0)
Financial Transparency 24/30
('No financial documents found on website', 0)
('Financial filing on record', 8)
('Revenue figure disclosed', 6)
('Spending figure disclosed', 6)
('Detailed financial breakdown disclosed', 4)
Governance 20/20
('At least 1 officer disclosed', 5)
('3+ officers disclosed', 3)
('Officer titles disclosed', 2)
('Executive compensation disclosed', 4)
('Mission / description on file', 3)
('Founding date on file', 3)
Contact Availability 10/10
('Website', 3)
('Email', 3)
('Phone', 2)
('Physical address', 2)
Data Recency 15/20
('Updated within 1 year', 15)
('Newer data needed for full score', 0)
Red flags 0
Transparency checklist
Official registration on file
Financial disclosure published
Website on record
Contact details available
Leadership disclosed
Mission or description published

GiveRadar Analysis

Original analysis from GiveRadar's dataset of comparable organizations

From what GiveRadar has verified so far, Four Mile Historic Park Inc has a complete profile, cross-referenced across 3 independent sources including the IRS.

  • GiveRadar has verified more about this organization than about 99% of the 133,127 arts & culture charities in the United States it tracks, because GiveRadar has verified its financial disclosures and its governance. 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 90% of the 56,467 arts & culture charities in the United States with filings on record. See the filings
  • By reported annual revenue, it is larger than 87% of the 55,580 arts & culture charities in the United States with financial records on GiveRadar. See the filings
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.

Explore View this cohort United States benchmarks GiveRadar's data sources Methodology

Financials

From irs 990 (fy2025) · FY2025
Annual revenue
$1M-$10M
Reporting year
2025
To programmes
74%
Revenue, FY2020-FY2025
2020
2021
2022
2023
2024
2025
Where money goes
Program74%

Leadership & board

Disclosed in official filings
AN
Andrea S••••••
BOARD MEMBER
BA
Barb B••• W••••
MEMBER
BE
Becky L••••
BOARD MEMBER
BR
Brett T•••••
BOARD MEMBER

How it stacks up against peers

· vs. 8 similar arts & culture in United States
Program spending This charity: 74%
Peer average: 75%
CEO comp as % of revenue This charity: 5.22%
Peer average: 0.48%
Integrity Assessment This charity: 90
Peer average: 90

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Annual revenue
$1M-$10M
74% 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

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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.

Staff & volunteers

From filings and published profiles

Employees
16

Leadership

From FY2025 filing

EL
Elsa W•••••• H••••••
Chair

Officers & trustees (21)

Source: Public filings

See full names, roles, and stories

21 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
$1.4M revenue
FY2025
IRS 990
Form filed
$1.1M revenue
FY2024
IRS 990
Form filed
$0.9M revenue
FY2023
IRS 990
Form filed
$0.8M revenue
FY2022
IRS 990
Form filed
$0.4M revenue
FY2021
IRS 990
Form filed
$0.4M 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 322,683
Education 195,586
Arts & Culture this charity 133,130
Advocacy & Civil Rights 128,026
Religion 114,636
Health 98,863
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, with this charity's causes ticked.

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
All charities in
🇺🇸 United States
Best
Arts & Culture in United States

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 - 52 disclosed in the public registry.
Supplementary verification
Charity Navigator

Data freshness

Last updated
Aug 3, 2026
Registry checked
Aug 3, 2026
Profile completeness
90%

What we know and don't know

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

On record · 10
  • Financial data · FY2025 on record
  • Named leadership · 52 officers on file
  • Executive pay · Disclosed
  • 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 · 1978
Not available · 1
  • 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 Four Mile Historic Park Inc

What is Four Mile Historic Park Inc?
Four Mile Historic Park Inc is a arts & culture publicly-supported charity (509(a)(2)) based in Denver, United States. Step back in time and rediscover a historic oasis in the heart of the city with a tour of the beautiful Four Mile House museum, Denver’s oldest standing structure.
When was Four Mile Historic Park Inc founded?
Four Mile Historic Park Inc was founded in 1978.
Who leads Four Mile Historic Park Inc?
Elsa Woolley Harberg serves as Chair.
Where is Four Mile Historic Park Inc located?
Headquartered in Denver, CO, United States.
What is Four Mile Historic Park Inc's annual budget?
Annual revenue for fiscal year 2025 is approximately $1M-$10M. 74% of expenses go to program services.
Is Four Mile Historic Park Inc trustworthy?
Four Mile Historic Park Inc has a GiveRadar Integrity Assessment of 90 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 Four Mile Historic Park Inc's registration number?
IRS EIN: 840754945.
What is Four Mile Historic Park Inc's website?
http://www.fourmilepark.org