Property Listings:

Real Estate Developers' Association of Singapore (REDAS) - http://www.redas.com/
Offers Singapore real estate-related information and commercial, industrial and retail listings.

Estate Agents Authority - http://www.eaa.org.hk/
Promotes the standard of services of the estate agency trade, enhances protection for consumers, and encourages open, fair and honest property transactions.

Landscope Real Estate Services - http://www.landscope.com/
Property agency specialized in sales and leasing of luxury homes, residential flats, and serviced apartments.