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Form 990-PFTax year 2025EIN 13-6017294

Dorr Foundation

A private foundation in Portsmouth, NH. Its return for tax year 2025 reports $513,312 paid in grants, listed in an attachment that is not in the e-file.

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Tax year 2025 (period ending Dec 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Accepts applications

The return gives an application contact and rules, as below.

Contact
Barbara McMillan
84 Hillside Drive
Portsmouth, NH 03801
(603) 433-6438
Form and materials
No form required
Deadlines
None
Restrictions
None

Assets and giving by year

6 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2025

    $513,312

    Grants listed
    In an attachment
    Assets, end of year
    $7,291,446

  • Tax year 2024

    $457,902

    Grants listed
    In an attachment
    Assets, end of year
    $7,264,232

  • Tax year 2023

    $404,695

    Grants listed
    In an attachment
    Assets, end of year
    $6,013,710

  • Tax year 2022

    $401,660

    Grants listed
    In an attachment
    Assets, end of year
    $6,030,524

  • Tax year 2021

    $482,736

    Grants listed
    In an attachment
    Assets, end of year
    $6,084,471

  • Tax year 2020

    $378,851

    Grants listed
    In an attachment
    Assets, end of year
    $5,762,818

Grants paid in 2025

Grants listed in an attachment (not in the e-file)

As listed on the return.

  1. This return lists its grants in an attachment that is not in the IRS e-file: $513,312 in all.

Officers, directors and trustees

1 person as filed

As filed on the return, with average hours per week and pay from the foundation.

  • See STMT Part VIII - 1DIRECTORS Hours 0Pay $0

The return

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