| Name | Phone | Category |
| La Bodeguita Del Medio | 650-326-7762 | Restaurants, Cafes & Catering |
| Lakin Spears, LLP | 650-328-7000 | Attorneys |
| Lasecke Weil Wealth Advisory Group, LLC | 650-323-3700 | Financial Services |
| Law office of Isaac H. Winer | 650-330-0110 | Attorneys |
| League of Women Voters/Palo Alto | 650-903-0600 | Associations, Clubs & Organizations |
| Leannah Hunt, Agent Sereno Group | 650-475-2030 | Real Estate |
| Clara D. Lee- Coldwell Banker | 650-752-0707 | Real Estate |
| LegalShield | 650-996-2342 | Attorneys |
| Les Petits Cadeaux | 650- 853-9888 | Photography |
| Liberty Bank | 650-617-0440 | Banks & Credit Unions |
| Lifetime Pools, Inc. | 650-494-7070 | Pool Supplies/Service |
| Linder Jones - Studio Linder Architects | 408-891-0716 | Architects |
| Lindsay Properties LLC | 650-321-3141 | Real Estate |
| Lippert & Lippert Design | 650-323-5961 | Architects |
| Lockheed Martin | 408-742-4321 | Chamber Builder |
| Lucile Packard Children's Hospital | 650-497-8277 | Leaders Circle |
| Lulu's at Town & Country Village | 650-327-8226 | Restaurants, Cafes & Catering |
| Lund Pearson McLaughlin Fire Protection Systems | 650-961-9460 | Business to Business Resources |
| Luther Burbank Savings | 650-688-7410 | Financial Services |
| Lyfe Kitchen | | Restaurants, Cafes & Catering |
| James Lyons- Lyons LTD. Antique Prints | 650-325-9010 | Art Galleries |
| Lytton Gardens | 650-328-3300 | Retirement Communities |
