Companies registered in San Francisco with an address in Castro Valley, CA
36 open company locations whose address is in Castro Valley, CA.
| Company | Location ID | Industry | Since |
|---|---|---|---|
| 2y Construction Inc. | 1217024-03-191-1100018 | Industry not given | Mar 26, 2019 |
| Bark & Build Builders Inc | 1386404-04-251-1168958 | Industry not given | Apr 18, 2025 |
| Bluewave Plumbing And Water Heaters LLC | 1416720-03-261-1181803 | Industry not given | Mar 24, 2026 |
| Bridges Construction Services Inc | 1427051-07-261-1186257 | Construction | Jul 9, 2026 |
| Buchmann Inc | 1369195-08-241-1161611 | Construction | Jul 1, 2024 |
| Camello Inc | 1408114-01-261-1178212 | Construction | Jan 13, 2026 |
| Cobuild Construction Services, Inc. | 1231270-08-191-1039871 | Construction | Jun 1, 2018 |
| Cp And Sons Maintenance LLC | 1280118-06-211-1125369 | Administrative and support services | Jun 15, 2021 |
| Diaz Builders Consulting LLC | 1252445-05-201-1114411 | Construction | May 21, 2020 |
| Dryad, LLC | 1196678-07-181-1090934 | Administrative and support services | Jul 27, 2018 |
| E & S Masonry Corporation | 0343067-01-999-0343067 | Construction | Oct 1, 2000 |
| Ergo Remedy, LLC | 1070693-05-161-1034493 | Professional and technical services | May 1, 2016 |
| Estrada Premium Roofing And Repair LLC | 1383594-03-251-1167768 | Construction | Mar 17, 2025 |
| Fahrish LLC | 1409562-01-261-1178422 | Retail trade | Jan 30, 2026 |
| Frolic Party LLC | 1410153-02-261-1179089 | Industry not given | Feb 25, 2025 |
| Gaxl General Construction Inc | 1432017-09-261-1188375 | Construction | Sep 9, 2026 |
| Ground Force Enterprises | 1356870-03-241-1156779 | Transportation and warehousing | Mar 15, 2024 |
| Harris Water Heaters, Inc | 1275097-04-211-1065166 | Construction | Nov 30, 2020 |
| Hbm Construction, Inc | 1301184-03-221-1133594 | Construction | Mar 20, 2022 |
| Iweb Construction Management Corp. | 1420680-04-261-1183509 | Industry not given | Apr 23, 2026 |
| Kb Mechanical Inc. | 1294809-01-221-1130933 | Industry not given | Jan 1, 2022 |
| M1 Mechanical Corporation | 1398530-09-251-1174002 | Construction | Sep 1, 2025 |
| Makison, Inc. | 1301099-03-221-1133557 | Professional and technical services | Mar 21, 2022 |
| Mikeco Construction Company | 1389891-05-251-1170374 | Construction | May 18, 2025 |
| Moi Cisneros Roofing, Inc. | 1360369-05-241-1158216 | Industry not given | Jan 1, 2024 |
| Nck Drywall Inc | 1405583-12-251-1177110 | Construction | Oct 1, 2025 |
| Northern Structural, Inc. | 1067962-05-161-1033167 | Industry not given | May 2, 2016 |
| Ocean Remodel Inc | 1426737-07-261-1186118 | Construction | Jul 6, 2026 |
| Osman Construction Inc | 1422460-05-261-1184245 | Industry not given | May 13, 2026 |
| Pacific Premier Landscape Inc. | 1314595-09-221-1138956 | Industry not given | Sep 21, 2022 |
| Pro Roofing Maintenance Inc | 1150705-06-171-1072008 | Construction | Jun 16, 2017 |
| Sero LLC | 1352029-02-241-1154786 | Real estate and rental | Jan 3, 2022 |
| Smith & Associates Environmental Health And Safety LLC | 1297568-02-221-1132083 | Professional and technical services | Feb 11, 2022 |
| Tvr Electric Inc | 1429812-08-261-1187457 | Construction | Aug 6, 2026 |
| Villa Alta Construction Inc | 1430934-08-261-1187931 | Construction | Aug 17, 2026 |
| Wonderlin Roofing Systems Inc | 0470307-01-999-0470307 | Construction | Jun 21, 2012 |
Alphabetical order — this site ranks no one. Open company locations in the San Francisco Treasurer & Tax Collector file of October 2, 2026. Individuals are not on this site. How to read this.