Mullion flood map & planning overlays
A planning-constraint profile of Mullion (Yass Valley, NSW) - 148.91 km², mapped from live council and state overlay data. This suburb is highly constrained.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
Constraint readout
148.91 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Mullion's boundary, with the flood, bushfire and environmental overlays drawn on top. It shows where constraints fall; the interactive map shows them on your exact address.
Mullion at a glance
How Mullion is zoned
Buying in Mullion? The zoning, flood and bushfire lines on the section 10.7 certificate attached to the contract are mapped controls - see our s10.7 certificate guide.
Across its 148.91 km², Mullion is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 100% is flagged bushfire-prone. The dominant land-use zone is Primary Production. The median lot measures about 245,727 m² across 282 parcels. These figures are suburb-wide - the overlays that actually apply to a given lot can differ block to block, which is what a property-level check tells you.
Check a specific Mullion address
See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.
See what's in the $9 report →Mullion planning - frequently asked
Where can I see a flood map of Mullion?
The schematic on this page is a Mullion flood map: the mapped flood overlays drawn over the suburb's terrain and street grid. Flood lines vary block to block, so for a specific property use the free interactive map - search any Mullion address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Mullion flood-prone?
Flood mapping covers Mullion and none of the suburb falls within a mapped flood overlay. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Mullion bushfire-prone?
Yes - around 100% of Mullion is mapped as bushfire-prone, compared with a Yass Valley average of 99%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Mullion?
The dominant planning zone in Mullion is Primary Production, though the suburb also includes Natural Waterways and National Parks and Nature Reserves. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Mullion have heritage-listed places?
No heritage-listed places are on record within Mullion. Even so, it is worth confirming for an individual property before any works.
What is the typical lot size in Mullion?
Across 282 surveyed parcels in Mullion, the median lot size is about 245,727 m². There are also 16 registered easements mapped in the suburb - an easement can restrict where you can build, so always check the title and overlays for the specific lot.
Do I need a planning report for a Mullion property?
A Mullion planning report pulls every overlay - zoning, flood, bushfire, heritage and environmental - that touches a single lot, on live council and state data. The interactive map preview is free; a full PDF report is $9.