Adams-Mastrovich Family Foundation U a
Historical FunderSaint Louis, Missouri · EIN 41-6014092 · Private foundation
Grants paid (2024)$1.3M
Organizations funded71
Typical grant$10,000
Total assets$28.4M
Half of its grants to organizations were between $7,500 and $15,000.
From the return
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | WELLS FARGO BANK N A |
|---|---|
| Address | 100 N MAIN ST MAC D4001-117, WINSTON SALEM NC 27101 |
| Phone | 8887304933 |
| Form and materials | THE APPLICATION MAY BE COMPLETED ONLINE AT WELLSFARGO.COM/PRIVATEFOUND |
| Deadlines | AUGUST 1ST ANNUALLY |
| Restrictions | THE RECIPIENT ORGANIZATION MUST BE LOCATED IN LOS ANGELES COUTY, CA AND SOUTH DAKOTA |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
100% of grants went outside Missouri.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Deadwood History Inc | Deadwood, SD | General operating | $190,000 |
| Loyola Marymount University | Los Angeles, CA | General operating | $100,000 |
| Lower Brule - St Mary Diocese of Rapid City Sd | Lower Brule, SD | General operating | $55,000 |
| Marycrest Manor Inc | Culver City, CA | General operating | $50,000 |
| Catholic Charities of Los Angeles | Los Angeles, CA | General operating | $40,000 |
| Historic Homestake Opera House | Lead, SD | General operating | $40,000 |
| Northern Hills Alliance for Children | Deadwood, SD | General operating | $40,000 |
| Saint Andrews Abbey Inc | Valyermo, CA | General operating | $35,000 |
| Catholic Social Service | Rapid City, SD | General operating | $30,000 |
| Downtown Women's Center (Dwc) | Los Angeles, CA | General operating | $25,000 |
| Santa Teresita Inc | Duarte, CA | General operating | $25,000 |
| Wolakota Waldorf Society | Kyle, SD | General operating | $20,000 |
| Young Musicians Foundation | Los Angeles, CA | General operating | $20,000 |
| Rainbow Services | San Pedro, CA | General operating | $20,000 |
| Project Angel Food | Los Angeles, CA | General operating | $20,000 |
| Food Finders Inc | Los Alamitos, CA | General operating | $15,000 |
| The Mammoth Site of Hot Springs Sd | Hot Springs, SD | General operating | $15,000 |
| Historic Deadwood Lead Arts Council | Lead, SD | General operating | $15,000 |
| New Village Charter School Inc | Los Angeles, CA | General operating | $15,000 |
| Girls Inc of Greater Los Angeles | North Hollywood, CA | General operating | $15,000 |
| Food Forward Inc | North Hollywood, CA | General operating | $15,000 |
| Hamburger Home | Los Angeles, CA | General operating | $15,000 |
| The Colburn School | Los Angeles, CA | General operating | $15,000 |
| Venice Family Clinic | Venice, CA | General operating | $15,000 |
| Proyecto Pastoral | Los Angeles, CA | General operating | $15,000 |
| Su Casa - Ending Domestic Violence | Long Beach, CA | General operating | $15,000 |
| Heart of Los Angeles Youth Inc | Los Angeles, CA | General operating | $15,000 |
| Pacoima Beautiful | Pacoima, CA | General operating | $15,000 |
| Los Angeles Music and Art School | Los Angeles, CA | General operating | $15,000 |
| The People Concern | Los Angeles, CA | General operating | $15,000 |
| Angel City Chorale | Los Angeles, CA | General operating | $12,000 |
| Angelica Center for Arts and Music | Los Angeles, CA | General operating | $12,000 |
| Wilmington Community Clinic | Wilmington, CA | General operating | $12,000 |
| Homeless Not Toothless | Los Angeles, CA | General operating | $10,000 |
| Musyca | Canoga Park, CA | General operating | $10,000 |
| Boys & Girls Club of Carson | Long Beach, CA | General operating | $10,000 |
| Feeding South Dakota | Sioux Falls, SD | General operating | $10,000 |
| Santa Cecilia Opera and Orchestra Association | Los Angeles, CA | General operating | $10,000 |
| Sioux Spiritual Center | Howes, SD | General operating | $10,000 |
| Diocese of Rapid City | Rapid City, SD | General operating | $10,000 |
| Urban Voices Project | Los Angeles, CA | General operating | $10,000 |
| Electric Moon Foundation | Van Nuys, CA | General operating | $10,000 |
| YWCA Glendale and Pasadena | Glendale, CA | General operating | $10,000 |
| Boys and Girls Club of Hollywood | Los Angeles, CA | General operating | $10,000 |
| Penny Lane Centers | North Hollywood, CA | General operating | $10,000 |
| Los Angeles Center for Law and Justice | Los Angeles, CA | General operating | $10,000 |
| Pasadena Conservatory of Music | Pasadena, CA | General operating | $10,000 |
| Union Station Homeless Services | Pasadena, CA | General operating | $10,000 |
| Writegirl | Los Angeles, CA | General operating | $10,000 |
| Los Angeles Childrens Chorus | Pasadena, CA | General operating | $10,000 |
| Family Hope | Pasadena, CA | General operating | $10,000 |
| Saturday Night Bath Concert Fund | Lawndale, CA | General operating | $8,000 |
| Mccrossan Boys Ranch | Sioux Falls, SD | General operating | $7,500 |
| Finally Family Homes | Valencia, CA | General operating | $7,500 |
| Long Beach Rescue Mission | Long Beach, CA | General operating | $6,000 |
| Youth & Family Services Inc | Rapid City, SD | General operating | $5,000 |
| Haven Hills Inc | Canoga Park, CA | General operating | $5,000 |
| Fernando Pullum Community Arts Center | Los Angeles, CA | General operating | $5,000 |
| Children's Home Society of South Dakota | Sioux Falls, SD | General operating | $5,000 |
| St Josephs Indian School | Chamberlain, SD | General operating | $5,000 |
Showing the 60 largest of 71 grants to organizations.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $1,255,100 | 71 |
| 2023 | $1,127,500 | 52 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 6, 2025 - IRS e-file batch, object ID 202513109349100811
- IRS Tax Exempt Organization Search for EIN 41-6014092
- Profile updated Nov 4, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.