EIN 37-1452727501(c)(3) public charityApproved September 2003Donations tax deductible
From the latest return on file
At a glance
Figures come from the organization’s Form 990 for the fiscal year ending December 2024, as recorded by the IRS.
Revenue
$744,637
FY2024
Assets
$3,907,632
Year end
Required return
Form 990
Full return required from $200K of receipts
Fiscal year
January to December
Ends in December
Focus
Housing development, construction and management
NTEE L20, housing
Charity type
Publicly supported
170(b)(1)(A)(vi)
Compliance clock
What is due, and when
Computed from the fiscal year end and the return type. Federal dates are fixed by law. The state line is the general charitable solicitation rule of Massachusetts, read from the regulator’s own guidance; exemptions vary, and the regulator’s page is the authority.
May 15, 2026
Form 990 for FY2025 Not yet on the IRS file
The October 2026 IRS file shows FY2024 as the latest return. Filed on extension, it is due November 16, 2026.
Nov 16, 2026
Extended deadline for FY2025
Six month automatic extension (Form 8868). November 15 falls on a Sunday, so the deadline moves to Monday.
May 17, 2027
Form 990 for FY2026
Fifteenth day of the fifth month after year end. May 15 falls on a Saturday, so the deadline moves to Monday.
Charities that solicit in Massachusetts register with the state and file a report each year, unless exempt. It is due by the 15th day of the fifth month after the fiscal year ends. An extension is available. For a fiscal year ending in December, that is May 15.
Exempt status is revoked after three consecutive years without a return. The latest return on file is FY2024.
Filing history
When each return reached the IRS
From IRS records of electronically filed returns. The IRS record date is the date in the IRS’s own record of each return. It is not a legal filing date, and extensions are not public.
Fiscal year
Form
IRS record date
Due date
Note
FY2024
Form 990
October 10, 2025
May 15, 2025
FY2023
Form 990
September 10, 2024
May 15, 2024
FY2022
Form 990
October 14, 2023
May 15, 2023
FY2021
Form 990
November 14, 2022
May 16, 2022
Returns for fiscal years before 2021, and returns the IRS record cannot date, are not listed.
IRS status check
What the IRS lists say
Three IRS lists, read each month. This is a display of what they show, not a determination of status.
Exempt status
Listed as exempt
The IRS list of exempt organizations. As of October 13, 2026.
Deductible donations
Listed
The IRS list of organizations eligible to receive tax deductible contributions. Listed with code PC (public charity). As of October 13, 2026.
Automatic revocation
Not on the list
The IRS list of organizations whose exemption was revoked for not filing three years in a row. As of October 13, 2026.
Peers
Against Massachusetts housing organizations of similar size
200 public charities share this focus and state with revenue between $500K and $5M on a recent return. The shaded band is the middle half of the group.
$500K$1M$2M$3M$4M$5M
Stillwater Heights Inc $745KPeer median $1.3MMiddle half of peers
Revenue rank
23rd percentile
Among the 200 peers
Assets held
About 5.2 years
Of annual revenue, from public figures
Age
About the typical age
Approved 2003; the median peer, 1996
Readiness
What public data cannot tell you
A 990 shows money in and money out. It cannot show whether programs, outcomes, funding and compliance live in one place, or how long a funder report takes to produce. The five pillars below are scored only by the organization itself.
Mission & Strategic Clarity
Can every program be traced to a stated outcome?
Unscored
Stakeholders & Positioning
Do funders see the same story the board sees?
Unscored
Programs & Program Design
Are participants, activities and budgets tracked per program?
Unscored
Evidence, Data & Storytelling
How long does the next funder report take to assemble?