3 Dimensional Wealth Advisory, LLC

Profile Preview — Altss

3 Dimensional Wealth Advisory, LLC Overview

Type

Multi Family Office

Year Founded

1875

General Information

3 Dimensional Wealth Advisory, LLC is a multi-family office headquartered in Locust Valley, United States. Founded in 1875, the Diefendorf family built its fortune through a multigenerational insurance and estate-planning enterprise and now channels that experience into comprehensive wealth management for affluent families. The firm integrates investment advisory, legacy governance and philanthropic strategy—helping families steward financial, personal and social wealth.

Contact Information

Website:

Year Founded:

Investment Focus & Strategy

Open To First Time Funds:

Institution Type:
Multi Family Office

Leadership & Principals

Corporate Office:
Locust Valley, NY, United States

Portfolio & Notable Allocations

Altss Insights

Need institutional-grade insight on family offices?

Altss delivers:

  • • Live OSINT deal alerts
  • • Allocation history by asset class
  • • Principals with verified direct contacts

Prefer a guided tour?

We’ll walk you through:

  • • Interactive funding timelines
  • • Custom mandate & allocation filters
3 Dimensional Wealth Advisory, LLC | Locust Valley Multi Family Office | Altss