| Business | Phone |
| Castle Pines Home Assn 478 W Happy Canyon Rd, Castle Rock 80108 | (303) 814-1375 |
| Castle Pines Homes Assn 487 Happy Canyon Rd, Castle Rock 80104 | (303) 688-5709 |
| National Association-Schl Nrs 1416 Park St # A, Castle Rock 80109 | (303) 663-2329 |
| National Fire Protection Assoc Castle Rock 80104 | (303) 663-5550 |