Conrad Prebys
property developer and philanthropist
Source: Wikidata — retrieved 7/12/2026 (wikidata)
Profile Summary
Conrad Prebys was a U.S. property developer and philanthropist born in 1933, with an estimated net worth of ~$1.0B Wikidata. His wealth came from real estate development, and the data also shows a large charitable foundation tied to his name WikidataProPublica 990.
Business & SEC Activity
The available data identifies Prebys as a property developer, but does not provide additional details about specific companies or transactions Wikidata. His foundation reported $1,125,949,431 in assets in tax year 2023, with $59,988,874 in grants paid and $63,631,241 in total expenses ProPublica 990.
Philanthropy
The Conrad Prebys Foundation reported $59,988,874 in grants paid in 2023 and held $1,125,949,431 in total assets ProPublica 990. A foundation 990 is an annual tax filing that shows a private foundation’s finances, including assets, grants, revenue, and expenses ProPublica 990.
Political Activity
From 1996 to 2015, Prebys made 23 federal contributions totaling $65,100 FEC. Most of the money went to Republican recipients, with $55,100 to REP and $10,000 to PAC/Other; the largest recipient was the Republican Party of San Diego County at $25,000 FEC.
In the News
Recent coverage mentions the Prebys Foundation buying another downtown San Diego office building NewsAPI. This suggests the foundation remains active in local real estate, but the article provided here does not add further details about Conrad Prebys himself NewsAPI.
U.S. Presence
Philanthropy
Political Contributions
By Party
Top Recipients
Recent News


Score Breakdown
The PBS is a weighted average of 2 components. The formula is open and versioned — the weight percentages below show how much each component contributes to the final score.
Evidenced charitable giving — built on what they actually give each year, not parked assets. Dominated by generosity (annual giving relative to net worth — the share of your fortune you give), plus the absolute scale of that giving, plus a small nudge for signing the Giving Pledge (a commitment, not a realized action).
Data: ProPublica 990 charitable disbursements, net worth, The Giving Pledge registry
How much sourced, public accountability data exists — net worth, political contributions, SEC filings, foundation 990s, news coverage, and a verified profile. More public disclosure scores higher.
Data: FEC, SEC EDGAR, ProPublica 990s, GDELT / NewsAPI, Wikidata
Formula (v2): PBS = 65% x Philanthropy + 35% x Transparency
Scored on 6/23/2026 on a 0–100 scale. The score uses only the signals we have populated data for. Goal Impact, Controversy, and Community Approval are deferred until that data exists — Phase 1 goal adoption, controversy detection, and community votes respectively.
All data is sourced from public records. Each section links to its original source. View on Wikidata
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