| Business | Phone |
| Pacific Design Group 265 Magnolia Ave # 200, Larkspur 94939 | (415) 927-9500 |
| Polsky Architects 469 Magnolia Ave # B, Larkspur 94939 | (415) 927-1158 |
| Thompson Planning & Design 244 Magnolia Ave, Larkspur 94939 | (415) 927-9772 |
| Tim Casey Architects 244 Magnolia Ave, Larkspur 94939 | (415) 924-1610 |
| Martin Bielik 275 Magnolia Ave, Larkspur 94939 | (415) 924-1211 |
| Daniel Hillmer 550 Magnolia Ave, Larkspur 94939 | (415) 927-9543 |
| Paul Ballora Architecture 17 Upper Ardmore Rd, Larkspur 94939 | (415) 927-4258 |
| Strauss Architects 980 Magnolia Ave, Larkspur 94939 | (415) 461-8760 |