Helen & William Mazer Foundation
EIN 020511160 Private FoundationTotal Given 2021–2025
$3.7M
443 grants · $749K avg/year
based on 5 yrs of IRS 990-PF records on file
$100K+/yr
local funder
capacity
$2K
typical micro grants · $1K–$8K
grant size
58%
supporter · 111/192 multi-year
repeat
$21.1M
Assets (2025)
192
Distinct Recipients
About
DELAWARE FILING IS NOT REQUIRED.
Application Information
Accepts Unsolicited Proposals
No. Preselected Only
Phone
(908) 464-8221
Financial Trends
Giving Over Time
Total Assets Over Time
View financial data as table
| Year | Total Giving | Total Assets | Revenue | Grants |
|---|---|---|---|---|
| 2021 | $817K | $23.3M | $3.9M | 104 |
| 2023 | $1.0M | $21.1M | $674K | 110 |
| 2024 | $942K | $19.7M | $1.7M | 110 |
| 2025 | $975K | $21.1M | $1.2M | 119 |
Grant Size Distribution
Based on 443 grants on record
Minimum
$150
25th Pctl
$1K
Median
$2K
Average
$8K
75th Pctl
$8K
Maximum
$85K
Geographic Distribution
Texas Counties Served
0.5% of US grants
· Rank #17 of 22 states
$3K across
2 grants
2 of 254 counties
Top 2 counties
- 1 Bexar
- 2 Rockwall
Officers & Directors
Grants Awarded (443 total)
| Purpose | ||||
|---|---|---|---|---|
| Tpl-Ct | New Haven, CT | $85,000 | CHARITABLE PURPOSES. | 2023 |
| Ecocity Builders | Durham, NC | $70,000 | CHARITABLE PURPOSES. | 2023 |
| Tpl-Ct | New Haven, CT | $60,000 | CHARITABLE PURPOSES. | 2021 |
| Trustees of Reservations | Boston, MA | $55,000 | CHARITABLE PURPOSES. | 2023 |
| Trustees of Reservations | Boston, MA | $55,000 | CHARITABLE PURPOSES. | 2024 |
| East Coast Greenway | Durham, NC | $55,000 | CHARITABLE PURPOSES. | 2025 |
| Brandeis University | Waltham, MA | $52,000 | CHARITABLE PURPOSES. | 2023 |
| Boston Cyclists Union | Boston, MA | $50,000 | CHARITABLE PURPOSES. | 2021 |
| Brandeis University | Waltham, MA | $50,000 | CHARITABLE PURPOSES. | 2021 |
| East Coast Greenway | Durham, NC | $50,000 | CHARITABLE PURPOSES. | 2021 |
| Brandeis University | Waltham, MA | $50,000 | CHARITABLE PURPOSES. | 2024 |
| Great Rivers Greenway | St Louis, MO | $50,000 | CHARITABLE PURPOSES. | 2024 |
| Brandeis University | Waltham, MA | $50,000 | CHARITABLE PURPOSES. | 2025 |
| Tpl-Ct | New Haven, CT | $50,000 | CHARITABLE PURPOSES. | 2025 |
| Conservation Law Foundation | Boston, MA | $48,000 | CHARITABLE PURPOSES. | 2025 |
| Ecocity Builders | Durham, NC | $47,500 | CHARITABLE PURPOSES. | 2025 |
| Conservation Law Foundation | Boston, MA | $45,000 | CHARITABLE PURPOSES. | 2023 |
| Tpl- NJ | San Francisco, CA | $45,000 | CHARITABLE PURPOSES. | 2023 |
| Conservation Law Foundation | Boston, MA | $45,000 | CHARITABLE PURPOSES. | 2024 |
| Tpl-Nj | Newark, NJ | $45,000 | CHARITABLE PURPOSES. | 2024 |
| Tpl-Ca | LOS Angeles, CA | $45,000 | CHARITABLE PURPOSES. | 2025 |
| Spring Street Climate Fund | Brooklyn, NY | $43,000 | CHARITABLE PURPOSES. | 2024 |
| Rockefeller University | New York, NY | $40,000 | CHARITABLE PURPOSES. | 2021 |
| Tpl- NJ | San Francisco, CA | $40,000 | CHARITABLE PURPOSES. | 2021 |
| Rockefeller University | New York, NY | $40,000 | CHARITABLE PURPOSES. | 2023 |
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