Maine · Nonprofit
GREATER PORTLAND LANDMARKS INC
GREATER PORTLAND LANDMARKS INC (Maine) receives grants from 26 organizations whose IRS filings report $529,099 to it, the largest being ROXANNE QUIMBY FOUNDATION INC ($130,000). 16 of them have funded it in more than one year.
- Revenue FY2025
- $385k
- Funders on record
- 26
- Grants received
- $529k
- Net assets
- $1.6M
What Greater Portland Landmarks Inc does
Mission
Greater portland landmarks uses portland's heritage - its buildings, places, culture, and stories - as a catalyst for connection, affordability, and resilience. We engage the community to learn from its history, preserve special places, and encourage development that serves and inspires those who live, work, and visit portland today and in the future.
As stated on its FY2025 Form 990.
Programs
Advocacy and education - greater portland landmarks seeks to build awareness, instill community pride, and foster public participation in historic preservation. Through community and civic engagement, educational programs, and communications we advocate for policies and plans that preserve significant historic character, encourage high-quality design, reuse and reimagine historic places sustainably, and enhance a livable city. We conduct research and surveys and educate our community about the history, culture, and architecture of our buildings and neighborhoods by telling complete and diverse stories. Landmarks' education programs engage adults and children with architecture, preservation, and history through tours, interactive maps, illustrated presentations, publications, special programs, and interpretation of the portland observatory (1807).
$110,959 spent$6,336 earned by the program52% of program spendingThe observatory - landmarks operates the portland observatory (1807), a national historic landmark, as a historic site attracting approximately 20,000 visitors annually. The observatory is the last remaining historic maritime signal tower in the country. It was used to sight incoming ships to portland harbor, using a powerful telescope at the top, and flags were flown to indicate ships coming into port. Today the observatory retains its original appearance and features interpretive exhibits and stunning views.
$73,856 spent$129,335 earned by the program35% of program spendingPreservation resources - landmarks is a community partner and resource for historic property owners, architects, developers, artisans, and trades people. Through public programs, publications, and our website we offer guidance in historic preservation policy, design, and best practices, rehabilitating historic buildings, new design in historic settings, historic preservation grants and tax credits and grants, and resilient approaches to sea level rise and other impacts of climate change.
$28,493 spent13% of program spending
The 3 programs described on its FY2024 Form 990, listed largest first by expense. Program spending in total: $213,308.
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 $2.9M to $1.7M (−42%).
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: 2021 17% · 2022 13%. Grants only. Government contracts and fees sit inside program revenue.
44% of GREATER PORTLAND LANDMARKS INC’s revenue is contributions — about as donation-reliant as the typical peer (64% 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.
Who funds it, year by year
2017 → 2023: the base narrowed from 10 funders to 7 funders, grant income fell $59k → $17k.
4 of 26 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 38% 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 GREATER PORTLAND LANDMARKS 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
GREATER PORTLAND LANDMARKS INC has a broad base — no single funder exceeds 25% of grant income, and it takes 3 funders to reach half.
the vertical line marks half of all grant income — 3 funders to its left
48% 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 GREATER PORTLAND LANDMARKS INC.
Largest funder’s share by year: 2017 34% · 2018 41% · 2019 32% · 2020 24% · 2021 61% · 2022 38% · 2023 54% — 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
37% of GREATER PORTLAND LANDMARKS INC's funders are still giving 3 years after their first grant; 62% 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
67% of GREATER PORTLAND LANDMARKS INC's grant income comes from Maine funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $199k arriving through sponsors registered in 4 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
GREATER PORTLAND LANDMARKS INC holds deeper cash reserves than three-quarters of the 11,634 arts & culture nonprofits its size.
this organization peer median middle 50% of peers· 11,634 arts & culture nonprofits $100k–$1M, FY2025
Organizations like GREATER PORTLAND LANDMARKS 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 Maine
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
38% of spending goes to programs.
Governance
Public support
82%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Screen this organization
A dated, signed PDF of the compliance screen for GREATER PORTLAND LANDMARKS 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 GREATER PORTLAND LANDMARKS INC?
- GREATER PORTLAND LANDMARKS INC (Maine) receives grants from 26 organizations whose IRS filings report $529,099 to it, the largest being ROXANNE QUIMBY FOUNDATION INC ($130,000). 16 of them have funded it in more than one year.
- How many funders does GREATER PORTLAND LANDMARKS INC have?
- IRS filings report 26 organizations giving $529,099 in grants to GREATER PORTLAND LANDMARKS INC, 16 of which have funded it in more than one year.
- Who is the largest funder of GREATER PORTLAND LANDMARKS INC?
- ROXANNE QUIMBY FOUNDATION INC is the largest funder on record, with $130,000 in grants. The full list of funders is on this page.
- How can an organization like GREATER PORTLAND LANDMARKS INC find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Maine. 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 Greater Portland Landmarks →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2017–2025), and the filings of 26 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