---
title: "20 Family Offices in the San Francisco Bay Area (Nov 2026)"
last_updated: "2026-11-10"
rows: "20"
free_rows: "20"
source: "SEC filings"
canonical: "https://familyofficeroster.com/lists/family-offices-in-san-francisco-bay-area/"
---

# 20 family offices in the San Francisco Bay Area

We list 20 family offices in the San Francisco Bay Area as of November 2026: 16 single family offices and 4 multi-family offices, all sourced from an SEC filing, last checked on 10 Nov 2026. The focus stated most often is Public Equities (8), Direct Investments (4) and Private Funds (3).

- 20 family offices
- 16 / 4 single / multi-family
- 3 with startups or venture as a stated focus
- 23 named decision-makers on file

## All 20 family offices in the San Francisco Bay Area

| Family office | Type | City | Focus | Disclosed assets | Source | Checked | Profile |
|---|---|---|---|---|---|---|---|
| Knuff & Company LLC | Multi-family office | Foster City | Public Equities, Hedge Funds | $394M regulatory AUM (Form ADV, filed 2026-03-26) | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/knuff-company/ |
| Ohana Advisors | Multi-family office | San Rafael | Public Equities, Private Funds, Private Equity | $2.8B regulatory AUM (Form ADV, filed 2026-05-22) | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/ohana-advisors/ |
| Endurance Companies | Single family office | San Francisco | Venture Capital and Startups |  | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/endurance-companies/ |
| Three Bridge Wealth Advisors | Multi-family office | Los Altos | Public Equities, Fixed Income | $1.0B regulatory AUM (Form ADV, filed 2026-03-30) | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/three-bridge-wealth-advisors/ |
| ERAS Holdings | Single family office | San Francisco | Direct Investments, Venture Capital and Startups, Private Equity |  | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/eras-holdings/ |
| Foris Ventures | Single family office | San Carlos | Public Equities |  | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/foris-ventures/ |
| Fremont Group | Single family office | San Francisco | Direct Investments, Fund investments |  | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/fremont-group/ |
| S-Cubed Capital | Single family office | Menlo Park | Technology, Financial services, Sports, Real Estate |  | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/s-cubed-capital/ |
| Sansome Partners | Single family office | San Francisco | Private Equity, Public Equities, Direct Investments |  | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/sansome-partners/ |
| Sebastes Capital | Single family office | San Francisco | Public Equities |  | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/sebastes-capital/ |
| Slewgrass | Single family office | Tiburon | Public Equities, Technology |  | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/slewgrass/ |
| Sweat Equity Partners | Single family office | San Francisco | Technology, Healthcare |  | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/sweat-equity-partners/ |
| CM Capital | Single family office | Palo Alto | Private Funds, Venture Capital and Startups |  | SEC filing | 2026-11-05 | https://familyofficeroster.com/family-offices/cm-capital/ |
| Douglas Telecommunications | Single family office | Greenbrae |  |  | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/douglas-telecommunications/ |
| Feehan Partners | Single family office | Sausalito |  |  | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/feehan-partners/ |
| Hillspire | Single family office | Menlo Park |  |  | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/hillspire/ |
| Open Family Office (ofo) Wealth Management LLC | Multi-family office | Fremont |  |  | SEC filing | 2026-11-04 | https://familyofficeroster.com/family-offices/open-family-office-ofo-wealth-management/ |
| Primarius Capital | Single family office | San Francisco | Public Equities |  | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/primarius-capital/ |
| Rainin Group | Single family office | Emeryville |  |  | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/rainin-group/ |
| Thompson Peak Capital | Single family office | Palo Alto |  |  | SEC filing | 2026-11-10 | https://familyofficeroster.com/family-offices/thompson-peak-capital/ |

You are seeing all 20 offices. The paid file adds 23 named decision-makers and the spreadsheet in Excel and CSV.

Get all 20 offices and 23 named contacts, $149, one-time: https://familyofficeroster.com/buy/list/family-offices-in-san-francisco-bay-area
This page: https://familyofficeroster.com/lists/family-offices-in-san-francisco-bay-area/

## Method and limits
- Source: All 20 rows come from an SEC filing (Form ADV or 13F). Asset figures are shown only where a filing gives them.
- Inclusion rule: Single and multi-family offices that a public source identifies as a family office: an SEC filing, a company register or the office's own website. On this list: offices whose address is in the San Francisco Bay Area. US offices with no state on file appear only in the national list.
- Order: Ordered by how much of each office's record is filled in from public sources, then alphabetically. Disclosed assets are shown where a Form ADV or 13F filing gives them.
- Fill rates: Of 20 rows: focus 14, website 8, disclosed assets 3. In the paid file: named decision-makers on 11 rows, office email on 0, LinkedIn page on 1.

## Questions
### How many family offices in the San Francisco Bay Area are there?
We list 20 as of November 2026: 16 single family offices and 4 multi-family offices.

### Which cities have the most family offices in the San Francisco Bay Area?
San Francisco (7), Menlo Park (2) and Palo Alto (2). 2 offices on this list are in other cities or give no city.

### Do family offices in the San Francisco Bay Area invest in startups?
3 of the 20 name venture capital or startups as a focus. The most common focus tags on this list are Public Equities (8), Direct Investments (4) and Private Funds (3). 6 offices state no focus.

### How many family offices in the San Francisco Bay Area are single family offices and how many are multi-family offices?
16 single and 4 multi-family. A single family office manages one family's wealth: Endurance Companies is one on this list. A multi-family office serves several families, often as a regulated adviser: Knuff & Company LLC is one.

### How do I contact family offices in the San Francisco Bay Area?
11 of the 20 offices name at least one decision-maker in a public source and none publishes an office email; Ohana Advisors names the most people (5). The file holds all 23 names with their roles. We list addresses the office publishes itself, never personal emails.

### Where does the data on family offices in the San Francisco Bay Area come from?
All 20 offices come from an SEC filing (Form ADV or 13F). Each row shows its source label and the date we checked it. The row checked most recently is Knuff & Company LLC, on 10 Nov 2026.

