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Brickbottom Foundation

  • Charlestown, MA
  • Tax-exempt since April 2015
  • EIN: 47-2493555

Organization summary

Type of Nonprofit

Designated as a Organizations for any of the following purposes: religious, educational, charitable, scientific, literary, testing for public safety, fostering national or international amateur sports competition (as long as it doesn't provide athletic facilities or equipment), or the prevention of cruelty to children or animals.

Category: Philanthropy, Voluntarism and Grantmaking Foundations / Private Grantmaking Foundations (NTEE)

Donations to this organization are tax deductible.

Summary charts: organization finances over time

Revenue
$171k (2024)

Expenses
$274k (2024)

Total Assets
$3.29M (2024)

Total Liabilities
$0 (2024)

Source: Form 990 tax filings from 2014 to 2024

Tax Filings by Year

Form 990 is an information return that most organizations claiming federal tax-exempt status must file yearly with the IRS. Nonprofit Explorer has IRS digitized Form 990 data for filings processed in 2012 and later. If this organization filed an amended return, it may not be reflected below. Duplicate download links may indicate a resubmission or amendment to this organization's original return. Form 990 data is from the IRS.

Fiscal Year Ending Dec.
2024

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$171,447
Expenses
$274,185
Net Income
-$102,738
Net Assets
$3,294,984
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $31,883
18.6%
Interest Revenue $0
Dividends $107,888
62.9%
Sales of Assets $31,676
18.5%
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $267,070
97.4%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $3,294,984
Total Liabilities $0
Net Assets $3,294,984
Compensation
Key Employees and Officers Compensation Other
William Mantzoukas (Trustee) $0 $0
Cynthia Mantzoukas (Trustee) $0 $0
Jason Mantzoukas (Trustee) $0 $0
Melissa Mantzoukas (Trustee) $0 $0
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Document Links

990-PF
Filed on May 9, 2025

Primary tax return for a private foundation's activities, finances, and governance

View Filing
XML

Fiscal Year Ending Dec.
2023

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$121,402
Expenses
$340,602
Net Income
-$219,200
Net Assets
$3,397,722
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $0
Interest Revenue $0
Dividends $121,679
> 100%
Sales of Assets -$277
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $333,820
98.0%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $3,397,722
Total Liabilities $0
Net Assets $3,397,722
Compensation
Key Employees and Officers Compensation Other
William Mantzoukas (Trustee) $0 $0
Cynthia Mantzoukas (Trustee) $0 $0
Jason Mantzoukas (Trustee) $0 $0
Melissa Mantzoukas (Trustee) $0 $0
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Document Links

990-PF
Filed on April 19, 2024

Primary tax return for a private foundation's activities, finances, and governance

View Filing
XML

Fiscal Year Ending Dec.
2022

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$103,771
Expenses
$283,002
Net Income
-$179,231
Net Assets
$3,617,510
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $0
Interest Revenue $0
Dividends $104,545
> 100%
Sales of Assets -$774
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $276,449
97.7%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $3,617,510
Total Liabilities $0
Net Assets $3,617,510
Compensation
Key Employees and Officers Compensation Other
William Mantzoukas (Trustee) $0 $0
Cynthia Mantzoukas (Trustee) $0 $0
Jason Mantzoukas (Trustee) $0 $0
Melissa Mantzoukas (Trustee) $0 $0
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Document Links

990-PF
Filed on May 11, 2023

Primary tax return for a private foundation's activities, finances, and governance

View Filing
XML

Fiscal Year Ending Dec.
2021

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$99,790
Expenses
$245,540
Net Income
-$145,750
Net Assets
$3,800,491
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $0
Interest Revenue $0
Dividends $99,790
100%
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $238,535
97.1%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $3,800,491
Total Liabilities $0
Net Assets $3,800,491
Compensation
Key Employees and Officers Compensation Other
William Mantzoukas (Trustee) $0 $0
Cynthia Mantzoukas (Trustee) $0 $0
Jason Mantzoukas (Trustee) $0 $0
Melissa Mantzoukas (Trustee) $0 $0
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Document Links

990-PF
Filed on May 9, 2022

Primary tax return for a private foundation's activities, finances, and governance

View Filing
XML

Fiscal Year Ending Dec.
2020

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$83,254
Expenses
$95,142
Net Income
-$11,888
Net Assets
$3,946,240
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $0
Interest Revenue $0
Dividends $83,254
100%
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $90,532
95.2%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $3,946,241
Total Liabilities $1
Net Assets $3,946,240
Compensation
Key Employees and Officers Compensation Other
William Mantzoukas (Trustee) $0 $0
Cynthia Mantzoukas (Trustee) $0 $0
Jason Mantzoukas (Trustee) $0 $0
Melissa Mantzoukas (Trustee) $0 $0
+ View more people

Document Links

990-PF
Filed on May 12, 2021

Primary tax return for a private foundation's activities, finances, and governance

View Filing
XML

Fiscal Year Ending Dec.
2019

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$107,485
Expenses
$332,664
Net Income
-$225,179
Net Assets
$3,958,128
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $0
Interest Revenue $0
Dividends $107,485
100%
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $327,497
98.4%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $3,958,129
Total Liabilities $1
Net Assets $3,958,128
Compensation
Key Employees and Officers Compensation Other
William Mantzoukas (Trustee) $0 $0
Cynthia Mantzoukas (Trustee) $0 $0
Jason Mantzoukas (Trustee) $0 $0
Melissa Mantzoukas (Trustee) $0 $0
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Document Links

990-PF
Filed on June 10, 2020

Primary tax return for a private foundation's activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2018

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
-$263,472
Expenses
$347,155
Net Income
-$610,627
Net Assets
$4,183,308
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $0
Interest Revenue $0
Dividends $84,711
Sales of Assets -$348,485
Other Income $302
Notable Expenses Percent of Total Expenses
Charitable Disbursements $336,859
97.0%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $4,183,308
Total Liabilities $0
Net Assets $4,183,308
Compensation
Key Employees and Officers Compensation Other
William Mantzoukas (Trustee) $0 $0
Cynthia Mantzoukas (Trustee) $0 $0
Jason Mantzoukas (Trustee) $0 $0
Melissa Mantzoukas (Trustee) $0 $0
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Document Links

990-PF
Filed on June 17, 2019

Primary tax return for a private foundation's activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2017

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$99,393
Expenses
$224,592
Net Income
-$125,199
Net Assets
$4,793,935
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $26,095
26.3%
Interest Revenue $0
Dividends $73,292
73.7%
Sales of Assets $0
Other Income $6
0.0%
Notable Expenses Percent of Total Expenses
Charitable Disbursements $218,019
97.1%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $4,793,935
Total Liabilities $0
Net Assets $4,793,935
Compensation
Key Employees and Officers Compensation Other
William Mantzoukas (Trustee) $0 $0
Cynthia Mantzoukas (Trustee) $0 $0
Jason Mantzoukas (Trustee) $0 $0
Melissa Mcallister (Trustee) $0 $0
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Document Links

990-PF
Filed on July 12, 2018

Primary tax return for a private foundation's activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2016

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$94,844
Expenses
$277,032
Net Income
-$182,188
Net Assets
$4,919,134
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $15,312
16.1%
Interest Revenue $0
Dividends $75,063
79.1%
Sales of Assets $0
Other Income $4,469
4.7%
Notable Expenses Percent of Total Expenses
Charitable Disbursements $271,017
97.8%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $4,919,134
Total Liabilities $0
Net Assets $4,919,134
Compensation
Key Employees and Officers Compensation Other
William Mantzoukas (Trustee) $0 $0
Cynthia Mantzoukas (Trustee) $0 $0
Jason Mantzoukas (Trustee) $0 $0
Melissa Mcallister (Trustee) $0 $0
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Document Links

990-PF
Filed on May 12, 2017

Primary tax return for a private foundation's activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2015

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$3,114,755
Expenses
$39,777
Net Income
$3,074,978
Net Assets
$5,101,322
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $13,712
0.4%
Interest Revenue $0
Dividends $149,939
4.8%
Sales of Assets $2,951,104
94.7%
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $31,584
79.4%
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $5,101,322
Total Liabilities $0
Net Assets $5,101,322
Compensation
Key Employees and Officers Compensation Other
William Mantzoukas (Trustee) $0 $0
Cynthia Mantzoukas (Trustee) $0 $0

Document Links

990-PF
Filed on May 9, 2016

Primary tax return for a private foundation's activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2014

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$2,026,345
Expenses
$1
Net Income
$2,026,344
Net Assets
$2,026,344
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $2,025,490
100.0%
Interest Revenue $0
Dividends $855
0.0%
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $0
Compensation of Officers* $0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.
Assets/Debt
Total Assets $2,026,344
Total Liabilities $0
Net Assets $2,026,344

Document Links

990-PF

Primary tax return for a private foundation's activities, finances, and governance

PDF

About This Data

What Is This Data?

Nonprofit Explorer includes summary data for nonprofit tax returns and full Form 990 documents, in both PDF and digital formats.

The summary data contains information processed by the IRS during the 2012-2019 calendar years; this generally consists of filings for the 2011-2018 fiscal years, but may include older records. This data release includes only a subset of what can be found in the full Form 990s.

In addition to the raw summary data, we link to PDFs and digital copies of full Form 990 documents wherever possible. This consists of separate releases by the IRS of Form 990 documents processed by the agency, which we update regularly.

We also link to copies of audits nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year since 2016. These audits are copied from the Federal Audit Clearinghouse.

Which Organizations Are Here?

Every organization that has been recognized as tax exempt by the IRS has to file Form 990 every year, unless they make less than $200,000 in revenue and have less than $500,000 in assets, in which case they have to file form 990-EZ. Organizations making less than $50,000 don’t have to file either form but do have to let the IRS they’re still in business via a Form 990N "e-Postcard."

Nonprofit Explorer has organizations claiming tax exemption in each of the 27 subsections of the 501(c) section of the tax code, and which have filed a Form 990, Form 990EZ or Form 990PF. Taxable trusts and private foundations that are required to file a form 990PF are also included. Small organizations filing a Form 990N "e-Postcard" are not included in this data.

Types of Nonprofits

There are 27 nonprofit designations based on the numbered subsections of section 501(c) of the tax code. See the list »

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For those interested in acquiring the original data from the source, here’s where our data comes from:

  • Raw filing data. Includes EINs and summary financials as structured data.
  • Exempt Organization profiles. Includes organization names, addresses, etc. You can merge this with the raw filing data using EIN numbers.
  • Form 990 documents. Prior to 2017, these documents were obtained and processed by Public.Resource.org and ProPublica. Bulk PDF downloads since 2017 are available from the IRS.
  • Form 990 documents as XML files. Includes complete filing data (financial details, names of officers, tax schedules, etc.) in machine-readable format. Only available for electronically filed documents. Electronic data released prior to October 2021 is also available through Amazon Web Services.
  • Audits. PDFs of single or program-specific audits for nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year. Available for fiscal year 2015 and later.

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Nonprofit Explorer

Browse millions of annual returns filed by tax-exempt organizations with ProPublica’s Nonprofit Explorer. See details like executive compensation, revenue, expenses and more. Search for an organization or a person, or search the full text of filings.

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