Trish Costello

With over 26 years in real estate and a Diploma of Property, Trish brings experienced leadership, strong industry knowledge and a people-first approach, building high-performing property management teams and delivering reliable outcomes for owners and tenants.

Trish Costello

With more than 26 years’ experience in the real estate industry, Trish brings a depth of market knowledge and practical insight that gives clients real confidence. She understands what drives outcomes, where risks sit, and how to navigate the day‑to‑day realities of property ownership with clarity and care. For owners seeking informed guidance and steady leadership, Trish is a trusted expert who knows how to get results.

Your North West Coast Property Management Specialist

As a long‑standing Team Leader with Roberts Real Estate and a Diploma‑qualified industry professional, Trish combines hands‑on portfolio management with strategic oversight. She continues to manage properties personally, working closely with landlords and tenants while drawing on a strong network of reliable local trades. This practical involvement ensures her advice is grounded in current market conditions, legislation, and best practice — not theory.

What sets Trish apart is her ability to see the bigger picture while remaining highly responsive to individual client needs. She brings structure, consistency and calm to every situation, helping owners make informed decisions and feel supported at every stage. Her leadership has also helped build a capable, high‑performing team of Property Portfolio Managers on the North West Coast, ensuring clients benefit from collective expertise and modern systems that deliver consistent outcomes.

Above all, Trish is committed to long‑term relationships built on trust, communication and professionalism. Clients value her industry experience, her straightforward advice, and her genuine commitment to protecting and enhancing their investments — starting from the very first conversation.

Trish Costello's Listings

Request a rental appraisal

  • Current Rental Assessment – A detailed estimate of your property’s rental return based on current market conditions, demand, and comparable listings. This provides a realistic rental range rather than a single figure, giving you clarity and confidence.

  • Comparable Leasing Insights – A breakdown of similar properties currently leased or recently rented in your area, including rental prices, time on market, and key features that attract tenants.

  • Local Rental Market Overview – An up-to-date snapshot of rental trends in your area, including vacancy rates, tenant demand, and insights into where the market is heading.

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Trish Costello - Team Leader - Property Management

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