Trelly | 1,475 followers on LinkedIn. Designed for investors by investors, Trelly has just what you need to buy and sell off-market investment property. | After five incredible years of growth, 10,000 listings, and $2.3 billion in property value, Trelly is entering a new chapter. This journey has always been about more than properties – it’s about building community. Your feedback and shared experiences have inspired us to dream bigger, Today we announce Trelly of Dallas: a reimagined marketplace where connection and community are at the heart of real estate.