Charity Search / RUDIGER FOUNDATION
Public & Societal Benefit (W90) IRS Verified DX Registered 990 on File

RUDIGER FOUNDATION

EIN: 81-4177437 · NEVADA CITY, CA 95959-1943 · United States · FY 2023 Data
3 out of 5 47 / 100 Based on 2+ years of filings
Financial strength (30%) 65/100
Reliability (20%) 45/100
Effectiveness (25%) 73/100
Impact (25%) No data yet
Financial data: FY 2023 · Scored 9/13/2026
Claim this Charity
CharityAI™ Score
Not yet evaluated
Financial Overview — FY 2023
$122K
Total Revenue
$55K
Total Expenses
$142K
Net Assets
N/A
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 100.0%
Fundraising Efficiency 36.3%
Operating Reserve 30.81x
Liability-to-Asset N/A
Revenue Diversification 69.5%
Compared with Peers
FY 2023
Compared with 2,844 similar organizations (United States, Public & Societal Benefit, under $100K in expenses), FY 2023.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Program expense ratio
Program expenses / total expenses · higher is better
100.0% 80.7%
P10P90
Top quarter
Fundraising efficiency
Fundraising expenses / gross fundraising income · lower is better
36.3% 46.2%
P10P90
Above median
Operating reserve
Months of expenses covered by net assets · higher is better
30.8 mo 17.0 mo
P10P90
Above median
Revenue concentration
Share of revenue from the largest source · lower is better
69.5% 100.0%
P10P90
Top quarter
Revenue growth
Year over year revenue growth
48.3% -1.7%
P10P90
Expense growth
Year over year expense growth
-38.5% 2.0%
P10P90
Surplus margin
Surplus as a share of revenue
54.5% 13.3%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2023 $122K $55K $142K 100.0% —
2022 $82K $90K $76K 100.0% —
2021 $85K $47K N/A — 1
Donor Reviews
Write a Review
No reviews yet

Be the first to share your experience with this organization.


Write a Review
Minimum 20 characters
Reviews appear after moderation (usually within 24 hours)
Organization Details
EIN
81-4177437
State
CA
City
NEVADA CITY
ZIP
95959-1943
Classification
W90
Category
Public & Societal Benefit
Rating
3★
Coverage
A
Last Updated
Aug 2026
IRS Ruling Year
2017
Foundation Code
Form 990
On File
Is this your organization?

Claim it to manage this profile, add your board, financials and impact metrics, and lift your CharityAI™ rating.

Claim this Charity
Back to Search New Search