The Arizona State Capitol

Form 990-PFTax year 2025EIN 84-2935563

The Les and NSS Foundation

A private foundation in Scottsdale, AZ. Its return for tax year 2025 lists 4 grants and $2,500 paid in grants.

Tax year 2025 (period ending Dec 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

6 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2025

    $2,500

    Grants listed
    4
    Assets, end of year
    $39,219
  • Tax year 2024

    $3,500

    Grants listed
    4
    Assets, end of year
    $43,748
  • Tax year 2023

    $100,000

    Grants listed
    1
    Assets, end of year
    $49,548
  • Tax year 2022

    $107,500

    Grants listed
    3
    Assets, end of year
    $51,960
  • Tax year 2021

    $7,500

    Grants listed
    2
    Assets, end of year
    $163,525
  • Tax year 2020

    $0

    Grants listed
    0
    Assets, end of year
    $75,000

Grants paid in 2025

4 grants, largest first

As listed on the return.

  1. Southwest Wildlife Conservation CenterScottsdale, AZ

    To provide funding for animals

    $1,000
  2. Arizona Humane SocietyPhoenix, AZ

    To provide funding for animals

    $500
  3. Phoenix Herpetological SanctuaryScottsdale, AZ

    To provide funding for animals

    $500
  4. Wild at HeartCave Creek, AZ

    To provide funding for animals

    $500

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Animals3 grants $2,000100% of the total

By State

Grants to organizations with a US address, latest year.

  1. Arizona4 grants $2,500

Officers, directors and trustees

2 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Louis Edward SantacruzPRESIDENT/ TREASURER/ SECRETARY Hours 1Pay $0
  • Nancy Sander SantacruzVICE PRESIDENT/ DIRECTOR Hours 1Pay $0

The return

More foundations

Similar foundations

Same main cause (animals), giving between a quarter and four times this foundation’s where possible, nearby first.

  1. Lowman Family Animal and Community Welfare FoundationScottsdale, AZ 1 grant Not stated $5,000 giving
  2. The Ralph and Virginia Mullin FoundationTucson, AZ 3 grants Preselected only $2,675 giving
  3. Virginia B and David R Jontes FoundationPhoenix, AZ 1 grant Preselected only $2,862 giving
  4. Robert & Susan I Kurzer Private FoundationPhoenix, AZ 6 grants Preselected only $3,500 giving
  5. Keely Family FoundationParadise Valley, AZ 14 grants Preselected only $5,364 giving