Connecticut · Nonprofit
LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC
LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC (Connecticut) receives grants from 11 organizations whose IRS filings report $338,947 to it, the largest being CONNECTICUT HUMANITIES COUNCIL INC ($167,947). 6 of them have funded it in more than one year.
- Revenue FY2024
- $9.8M
- Funders on record
- 11
- Grants received
- $339k
- Net assets
- $1.7M
What Lockwood-Mathews Mansion Museum of Norwalk Inc does
Mission
The mission of the lockwood-mathews mansion museum, a national historic landmark, is to preserve and restore this unique architectural treasure while enriching the community...(continued on schedule o)
As stated on its FY2024 Form 990.
Programs
Student programs, exhibits, lectures, performances, school field trips, and guided tours for youth and adults educate our communities and connect today's audiences with this national historic landmark.
$167,898 spent2% of program spendingA national historic landmark and educational center for youth and adults, the lockwood-mathews mansion museum is considered one of the most significant civil war era structures in the united states. Restoration and preservation of its structure and collections is part of the lmmm mission and provides an opportunity to illustrate late 19th century history, architecture, and the arts in a safe and engaging environment.
$9,516,971 spent98% of program spending
The 2 programs described on its FY2024 Form 990, listed largest first by expense. Program spending in total: $9,684,869.
The organization over time
Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.
Balance sheet
Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2022 to 2023, from $2.2M to $3.0M (+36%).
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
Government-grant reliance: 2017 18% · 2018 25% · 2019 23% · 2020 67% · 2021 44% · 2022 75% · 2023 94% · 2024 98%. Grants only. Government contracts and fees sit inside program revenue.
100% of LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC’s revenue is contributions — more reliant on donations than three-quarters of its peers (63% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 5 of the last 8 reported years ran a deficit.
reserve
Leadership and staff
The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.
Board chair
Douglas Hempstead
Chairman of
As listed on its FY2024 Form 990.
Who funds it, year by year
2017 → 2023: the base broadened from 2 funders to 5 funders, grant income rose $15k → $52k.
3 of 11 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 12% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.
From the IRS filings of LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How concentrated its funding is
LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC leans on a few funders — its largest provides 50% of grant income and the top three 78%; half comes from just 2 funders.
the vertical line marks half of all grant income — 2 funders to its left
61% of the income these shares are computed over arrives through pass-through sponsors or from payers whose filings do not say what kind of payment it is. Concentration is still measured over all of it, because the money is real; what it does not support is a claim about how many institutions have chosen to fund LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC.
Largest funder’s share by year: 2017 66% · 2018 100% · 2019 100% · 2020 44% · 2021 72% · 2022 63% · 2023 72% — growing more concentrated.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How long its funders stay
44% of LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC's funders are still giving 3 years after their first grant; 55% give in more than one year at all.
Share of funders still giving k years after their first recorded grant, pooled across every acquisition cohort. A funder counts as retained in a year only if it made a grant that year. Measured to FY2023, the last fiscal year that has finished arriving — a funder cannot be counted as lapsed in a year most filers have not reached.
Where its funders are
65% of LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC's grant income comes from Connecticut funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $40k arriving through sponsors registered in 3 states is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Against its field
LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC has grown faster than three-quarters of the 5,127 arts & culture nonprofits its size.
this organization peer median middle 50% of peers· 5,127 arts & culture nonprofits $1M–$10M, FY2024
Government funding LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC receives
Grants and contracts to this organization from federal (USASpending) and state checkbooks, reconciled to its EIN. $8.0M on record.
- Pass thru Grant Non-State$8.0M
Federal grants vs contracts are distinguished; state line items keep their reported category. Matched by name + geography (the BMF), so coverage is partial and precision-first.
Organizations like LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC
Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.
In Connecticut
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
97% of spending goes to programs.
Governance
Public support
99%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Footprint & structure
Files a return copy in 1 state
Part of a family of 1 related entity
- Lockwood-Mathews Foundation Inc · exempt
Screen this organization
A dated, signed PDF of the compliance screen for LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC?
- LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC (Connecticut) receives grants from 11 organizations whose IRS filings report $338,947 to it, the largest being CONNECTICUT HUMANITIES COUNCIL INC ($167,947). 6 of them have funded it in more than one year.
- How many funders does LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC have?
- IRS filings report 11 organizations giving $338,947 in grants to LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC, 6 of which have funded it in more than one year.
- Who is the largest funder of LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC?
- CONNECTICUT HUMANITIES COUNCIL INC is the largest funder on record, with $167,947 in grants. The full list of funders is on this page.
- How can an organization like LOCKWOOD-MATHEWS MANSION MUSEUM OF NORWALK INC find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Connecticut. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
Play a game about who funds Lockwood-Mathews Mansion Museum of Norwalk →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2024 (financials across 2017–2024), and the filings of 11 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · view filing