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Development Application (DA) Information Publicly Available
To access records relating to DA's lodged with Council from 1 January 2010 to present, please use the Application Tracker.
You can also access Council information through an Informal access to information application, or a Formal access to information application (Note: Formal Access to Information Applications incur a $30 application fee and possible processing charges). Read below to ensure you choose the correct application.
Informal Access to Information Application Form
Informal Access to Information application
Persons unable to locate open access information they are seeking on the website may need to lodge a GIPA request. Informal access applications are processed within 10 working days from receipt in accordance with Council’s Customer Service Charter. Council will not charge a fee for lodgement or processing of an informal access application, however fees may apply for offsite file retrieval and for providing copies of information in accordance with Council’s adopted fees and charges.
Formal Access to Information Application Form
Formal Access to Information application
Information not publicly available as open access or under an informal access application may require a formal access application. This may include information relating to Council data, third parties, personal information and business or commercial information. If your application presents as a formal access application, applicants will be advised and the prescribed fee of $30 will be requested. Applicants will be contacted to arrange payment of the fee.
Please note further processing charges may apply to formal applications in accordance with Council’s adopted fees and charges. Formal access applications are processed within 20 working days (subject to potential extensions of up to 15 working days in certain circumstances).
If you are a legal practitioner requesting personal information on behalf of a client, Council will require a letter of authority to be provided.
Request for Internal Review
You may wish to apply for an internal review of a decision Mosman Municipal Council has made under the Government Information (Public Access) Act 2009. You must lodge your application with us within 20 working days after the notice of decision was given to you.
The application fee for an internal review is $40.
You also have the option to request an external review by the Information and Privacy Commission NSW or the NSW Civil and Administrative Tribunal (NCAT).
Disclosure Log
Council's Disclosure Log is prepared in accordance with sections 25 and 26 of the Government Information (Public Access) Act 2009 (GIPA Act).
The Disclosure Log records information that Council has released in response to formal access applications, which may be of interest to other members of the public. Details are entered into the disclosure log after the application has been decided and the right to review period has passed.
Should you require access to any of the information released by Council, please contact Governance and Risk on 02 9978 4000 and quote the relevant reference number listed below.
CCTV
Any request for the release of CCTV footage will require a Formal Access to Information Application.
Copyright
Information held by Mosman Municipal Council is subject to the Copyright Act 1968. The Copyright Act does not permit materials covered by copyright (e.g. DA architect plans and other specialist reports) to be copied or published unless the owner of the copyright has given consent. Council will make available documents to inspect, but if there is no evidence of owner consent, Council cannot provide copies of copyright materials.
Accessing Property Owner Information
In compliance with privacy laws, Mosman Municipal Council does not release individual property owner details, without consent of the property owner.
Here are some steps you can take to obtain the information:
Talk to the tenant or managing agent
If your neighbour's property is rented out, you can try asking the managing agent or tenant of the property for the owner's contact details. You can also request for the agent or tenant to pass on a letter to the property owner, requesting that they contact you.
Do a title search
A title search is a search to find out who owns a property. There are two steps you need to follow:
You need the title reference for the property. You can find this by submitting a street address enquiry through NSW Land Registry Services. When you enter the address in the street address enquiry and you will be told the title reference for their property.
Once you have the title reference, you can do a title search. You can do an online title search through one of the approved information brokers or over the counter at NSW Land Registry Services' office. The title search will list the names of the owner or owners of the property.
Strata Information
Strata details can be obtained here: Strata search | NSW Government.
Search the phone book
Once you know the name of the owner, you can look up the name of the owner in the phone book. The White Pages is available online. Please note that not everybody is listed in the phone book.
Last updated Monday 2 March 2026
Last updated Monday 2 March 2026