There are 8 real estate agents found in Guilderland, NY. View our Guilderland real estate area information to learn about the weather, local school districts, demographic data, and general information about Guilderland, NY. Get in touch with a Guilderland real estate agent who can help you find the home of your dreams in Guilderland. Use our mortgage calculator to see how much it would be to finance a home in Guilderland. Not ready to buy yet? Find and compare apartments for rent in Guilderland.