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US nonprofit · EIN 431948858 · Denver, COiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 431948858) - NTEE activity code, address.Board and officers IRS Form 990 annual filings, Part VII (directors, trustees, officers, key employees), read year by year to observe tenure.Latest return IRS Form 990 series e-file data - 990 for the year to 31 December 2025: assets, liabilities, staff, website, telephone, pay.Renewal outlook Computed by Governance Register from the observed filing history and filed revenue (us-approach-v4-clean). Not a statement that the organisation is recruiting.Deductibility IRS Publication 78 data (code PC), downloaded 18 October 2026.State registers Colorado Secretary of State (17 October 2026).Licence US Federal Government public domain.How we handle data

Horticultural Therapy Institute

Donations deductible
Revenue
$259k
year to 31 December 2025
Expenses
$269k
year to 31 December 2025
Total assets
$366k
$67k liabilities
Net assets
$299k
assets less liabilities
Directors and trustees
3
7.1y av
Staff
0
employees, year to 31 December 2025
Left since last filing
0
no seats appear to have opened
Voting members
3
reported in Part VI
How am I connected?

Horticultural Therapy Institute's network

3 peoplei3 people on this map.The large node is the subject of this page. Solid lines are what the register itself records (3). Form 990 filings give names without a person identifier; SEC insider filings carry a CIK.

The board

3 listediTime on the board is observed from the annual filings: the IRS files no appointment date, so the bar counts years from the first filing the person appears on - a lower bound, not a filed start date. Names are exactly as filed. The IRS publishes no person identifier, so this edition does not yet link a person across organisations.Tenure and departures are observed across annual filings. Observed tenure is a lower bound - a member may have joined before the first year on record. The organisation reported 3 voting members of its governing body on its latest Form 990 Part VI, which matches the board listed here.
NameRole as filedSinceOn the board
John DockertyAt Large2020
6 yrs
Rebecca HallerAt Large2018
8 yrs
Ruthie PfiefferPresident2020
6 yrs
Under 5 years5 to 6 years6 years or more

Pay and hours

year to 31 December 2025iFrom Part VII of the Form 990: compensation reported for each officer, director, trustee, key employee and highest-paid staff member, and the average hours a week they report. Most board members are unpaid; a blank means nothing was reported. Pay from related organisations is shown separately.
NameTitle as filedHours a weekPay from the organisationRelated organisationsOther
Rebecca HallerAt Large4$0
John DockertyAt Large4$0
Ruthie PfiefferPresident2$0

No pay was reported for anyone in Part VII on this return.

Colorado roster

5 listediOfficers, directors and trustees from the latest filing with the Colorado Secretary of State (document 20263024911). Titles are as filed; some entries are registered agents or custodians of records rather than board members. Source: data.colorado.gov, public domain.
NameTitle as filed
Rebecca HallerExecutive Director
Ruthie PfiefferAt Large Member
John DockertyAt Large
Rebecca Haller
Rebecca HallerDirector

About

Legal name
Horticultural Therapy Institute
EIN
431948858
Address
Po Box 461189, Denver, CO, 80246-5189
State
Colorado
Mission
(as filed on the Form 990)
Activity (NTEE)
B60 Education
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Education
Size band
4 (IRS master file code)
IRS ruling date
1 September 2002
Status
Code 01 (unconditional exemption)
Form 990 filings on record
6, latest 2023
IRS Publication 78
PC (contributions deductible)

Most connected

Longest observed on the filings

≥8years on the filingsRebecca Haller
≥6years on the filingsJohn Dockerty
≥6years on the filingsRuthie Pfieffer

Latest return

year to 31 December 2025iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 31 December 2025. US dollars, as filed.
Total assets
$366k
Total liabilities
$67k
Net assets or fund balances
$299k
Contributions and grants received
$251
Program service revenue
$249k
Employees
0

State registration

1 entityiBusiness-entity registers published by US states. These records are matched to this organisation by name and state, not by EIN, and are labelled as likely matches. Street addresses are not shown.
Horticultural Therapy Institute likely matchiMatched by exact name and state (and ZIP where shown). State registers do not publish EINs, so this is not a confirmed match. Source: Colorado Secretary of State (CDOS), business entities (data.colorado.gov 4ykn-tg5h). Licence: public domain. Data last fetched 18 October 2026.
State
Colorado
Entity type
nonprofit corporation
Status
Good Standing
Formed
25 January 2002
Registered agent
Rebecca L Haller (city and state not held)

This register does not publish officers or directors.