Buildium, A RealPage Company | 17,312 followers on LinkedIn. Buildium provides easy-to-use, affordable cloud-based property and association management software. | Buildium is the only property management solution that helps real estate professionals win new business from property owners and community associations seeking services. Backed by expert advice and relentless support, Buildium enables you to outperform across all facets of your business with intuitive software that balances power, simplicity, and ease of use. Buildium services customers in more than 50 countries, totaling over 2 million residential units under management.