A property agent will ensure all of the purchase documents are correct, and will help you secure the best possible price. A property agent will also have much better knowledge of Singapore, and which residential districts and types of real estate are best for you. Because buying property in Singapore is a complicated process, you should know the restrictions on who is allowed to purchase property before engaging with a property agent. For a list of property agents visit The AngloFILE at http://singapore.angloinfo.com.
Internet
If you don't want to work with a property agent, there are many ways you can find property yourself. There are many sites on the Internet with classified ads and listings of available properties for purchase in Singapore. www.SingaporeExpats.com is one such site, it has a section of classifieds dedicated to people buying and selling property. You can also check out Just Landed's article for finding a house to buy in Singapore.
Newspaper
The Straits Times is Singapore's biggest local newspaper in English. The have a classifieds section that lists properties for sale and well as real estate available for rent.