About Dianne Sullivan

Dianne is an award-winning agent who has built a strong reputation as an agent who goes above and beyond for her clients. Her focus is always on delivering an exceptional and personalised experience throughout every step of the property journey.

Dianne thrives on helping others, problem-solving and thinking outside the square. With a rich and diverse background in business management, sales, marketing, and customer service, she brings a wealth of knowledge, and a broad skill set to real estate. Having worked across a range of sectors, ...

Serviced areas

Parua Bay

Onerahi

Kamo

Whangarei Heads

Riverside

Maunu

Central Whangarei

Tamaterau

McLeod Bay

Waikaraka

Dianne's career overview

Skills

Communication Skills

Customer Relations

Negotiation

Preparing your home for sale

Sales & Marketing

Awards

2025/2026 •Q4 -Number 7 Individual Salesperson Harcourts Whangarei •Individual Recognition, Bronze Sales Status Q4 (Jan-March 2026) •Q3 -Number 5 Individual Salesperson Harcourts Whangarei • Individual Recognition, Silver Sales Status Q3 (Oct - Dec 2025) •Q2 ...

Reviews & Testimonials (75)

21 days ago via

RateMyAgentBuyer Review

Dianne was a real pleasure to work with. Great communication between us and made the whole process a breeze. Will definitely use again.

- Malcolm

16 Morningside Road, Morningside

2 1 1

1 month ago via

RateMyAgentBuyer Review

Down to earth, Easy to chat to, Good knowledge of the property. Communication was great and followed up on any questions I had. Can't fault her

- Martin Baker

1 month ago via

RateMyAgentSeller Review

Dianne delivered on all the undertakings in a timely manner and with considerable confidence and knowledge of the market conditions. I am very happy to recommend her...

12C Armstrong Avenue, Woodhill

2 1 1

22 days ago via

RateMyAgentBuyer Review

Dianne was very helpful and patient as we went through the due diligence process.

12C Armstrong Avenue, Woodhill

2 1 1

1 month ago via

RateMyAgentSeller Review

Dianne was onto it. We were selling as powers of attorney for a dear friend. Fast competent compassionate sale. She had the contacts. Worked very well for us and en...

1829 Whangarei Heads Road, Whangarei Heads

3 2

2 months ago via

RateMyAgentBuyer Review

Dianne actually opened up to the vendors after they had withdrawn from the market at end of their open homes. She was able to get us into the home again, to allow u...

64 Wairau Dr, Tikipunga

4 2 2

Dianne's properties

Here you can see all of the properties Dianne currently has for sale and has sold in the last 12 months on trademe.co.nz. It may not contain off-market and private sales.