Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 84-1406287

BOULDER BUILDING BLOCK FUND

Tax-exempt · BOULDER, CO 80305

Financials

$133K$112K2022$90K$90K2023$101K$90K2024
Revenue Expenses · by fiscal year end
Financials of BOULDER BUILDING BLOCK FUND by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
October 31, 2025990-EZ$101,064$90,394$10,670$199,731$147,048$52,683
October 31, 2024990-EZ$90,000$90,329-$329$191,278$149,265$42,013
October 31, 2023990-EZ$133,484$112,258$21,226$182,061$139,719$42,342
Financial details: 990-EZ for the year ended October 31, 2025

Revenue

Contributions, gifts and grants
$21,050
Program service revenue
$80,010
Investment income
$4

Expenses

Compensation of officers, directors and key employees
$0
Professional fees and payments to contractors
$8,356
Printing, publications and postage
$816
Other expenses
$81,222

Balance sheet and other

Total assets, start of year
$191,278
Total assets, end of year
$199,731
Total liabilities, end of year
$147,048
Net assets, end of year
$52,683
Cash, savings and investments
$199,731
Gross receipts
$101,064

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990-EZ for the year ended October 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
MARGARET TAYERDirector1$0
GRAHAM HILLDirector1$0
CAROLYN YOUNGDirector1$0
JOHN MARCILDirector1$0
990-EZ for the year ended October 31, 2024: 4 people
NameTitleHours / weekCompensation
MARGARET TAYERDirector1$0
GRAHAM HILLDirector1$0
CAROLYN YOUNGDirector1$0
JOHN MARCILDirector1$0
990-EZ for the year ended October 31, 2023: 4 people
NameTitleHours / weekCompensation
MARGARET TAYERDirector1$0
GRAHAM HILLDirector1$0
CAROLYN YOUNGDirector1$0
JOHN MARCILDirector1$0

Address and contacts

Address (IRS master file)
637 S BROADWAY STREET STE 227, BOULDER, CO 80305-5961
In care of
% MARGARET R TAYER
Signed the 990-EZ
MARGARET TAYER, Director
Phone
(303) 506-3702
Return prepared by
Middlemist Crouch & Co CPA PC

Mission

ONGOING ADMINISTRATION OF THE BOULDER, COLORADO NEIGHBORHOOD ECO PASS PROGRAM

990-EZ for the year ended October 31, 2025

Program accomplishments

  • ADMINISTRATION OF THE BOULDER COLORADO ECO PASS PROGRAM

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in October, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2024October 31, 2025March 16, 2026990-EZ on file
2023October 31, 2024March 17, 2025990-EZ on file
2022October 31, 2023March 15, 2024990-EZ on file

File the 2025 990-EZ for BOULDER BUILDING BLOCK FUND

Due March 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
84-1406287
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1999
Accounting year ends
October
Files
Form 990 or 990-EZ
Category (NTEE)
Human services (P28)
Assets (IRS master file)
$199,731
Income (IRS master file)
$101,064

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZOctober 2025$101,064$90,394$199,731XML
990-EZOctober 2024$90,000$90,329$191,278XML
990-EZOctober 2023$133,484$112,258$182,061XML
990-EZOctober 2022–––IRS
990-EZOctober 2021–––IRS
990October 2020–––IRS
990October 2019–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 84-1406287).

Questions about BOULDER BUILDING BLOCK FUND

What is the EIN of BOULDER BUILDING BLOCK FUND?
The employer identification number (EIN) of BOULDER BUILDING BLOCK FUND is 84-1406287.
Is BOULDER BUILDING BLOCK FUND tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1999.
Are donations to BOULDER BUILDING BLOCK FUND tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does BOULDER BUILDING BLOCK FUND file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of BOULDER BUILDING BLOCK FUND due?
The return for tax year 2025 (the year ending October 31, 2026) is due March 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did BOULDER BUILDING BLOCK FUND last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended October 2025.
Who are the officers and directors of BOULDER BUILDING BLOCK FUND?
The 990-EZ for the year ended October 31, 2025 lists 4 people; 0 received compensation from the organization.
How much revenue does BOULDER BUILDING BLOCK FUND have?
On its 990-EZ for the year ended October 31, 2025 it reported revenue of $101,064, expenses of $90,394 and total assets of $199,731 at year end.

Other nonprofits in BOULDER

All nonprofits in BOULDER · Colorado · Human services