Darren Keen Headshot

Darren Keen


Darren Keen founded Keen Property in 1995 bringing a unique perspective to this specialised market. He is a Certified Practising Valuer, licensed real estate agent and an Associate Member of The Australian Property Institute. Darren’s extensive knowledge base and experience in residential, commercial, industrial and strata and community title valuations has ensured Keen Property’s distinctive presence in today’s market place.

Darren has a strong belief in giving back to the industry and community. He understands what being in the people business is all about and enjoys an enviable reputation for his professional approach, honesty and integrity.

In any spare time, Darren can be found out on Rose Bay on his surf ski or gracing the tango dance floor.

Mobile 0413 838 839

Tony St Leon

Tony St Leon

Consultant Valuer

Tony St Leon enhances the Keen Property specialities by adding over 30 years’ experience in real estate valuation and advisory services across all property sectors for a broad range of purposes.

Tony gained formative experience in providing valuations for finance purposes. He has gone on to provide advice and project managed teams for asset reporting, insurance, and rental advisory in sectors such as Media, Transportation Telecommunication and Manufacturing for both public and private sector clients.

Tony has a close working knowledge of several legislative drivers to property valuation. These include the Valuation of Land Act, Land Acquisition (Just Terms Compensation) Act and the Retail Leases Act. He has provided numerous rental determinations for retail and commercial property over a 15-year period.

Tony undertakes instructions in metropolitan Sydney as well as having a good understanding of regional locations. He strongly supports primary industry.

Tony has supported many initiatives of both the Australian Property Institute and Real Estate Institute.

When not spending time with family and travelling, Tony regularly explores the coastlines around Coogee and Clovelly with an overly active Airedale called Tin Tin.

Mobile: 0419 938 711

KATHY KENDALL property valuer Keen Property Sydney

Kathy Kendall

Certified Practising Valuer & Licensed Real Estate Agent

Kathy Kendall was born and educated in Sydney after which time she moved to Key Biscayne, Florida where she established and operated a successful real estate brokerage company for 10 years.

After returning permanently to Australia in 2010, Kathy continued to expand her career in property by gaining an Advanced Diploma of Property Services (Valuation) (2012) and a Graduate Diploma in Property from the University of South Australia (2017).   She is a licenced real estate agent and has been admitted as an Associate of the Australian Property Institute as a Certified Practising Valuer.

When she is not out inspecting properties or writing up reports in the office, you will probably find Kathy riding her motorcycle north on the Old Pacific Highway or dancing at a rockabilly gig.

Mobile: 0413 056 103

Rowan Martin

Assistant Property Valuer

Rowan Martin joined the Keen Property Team in 2023 as Assistant Property Valuer. He has quickly proven himself invaluable in his thorough approach to property research and administrative tasks with a determined focus on gaining the experience required to achieve the next step in his property career to Residential Property Valuer (RPV).

Recently graduating from TAFE NSW with a Bachelor of Property Valuation, Rowan brings with him over nine years of hands-on experience in local council customer service.

In his leisure time, Rowan enjoys exploring the great outdoors – hiking, snorkeling, camping and motorcycling. He also serves as a lifeguard at a public pool in the Blue Mountains. Being quite the coffee connoisseur, you are likely to find him tucked away in a cafe rating their brew!



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