Carbrook flood map & planning overlays
A planning-constraint profile of Carbrook
(Logan City, QLD) - 22.38 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 19 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
22.38 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Carbrook's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How common is mapped flood risk across Carbrook properties?
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 517 Carbrook properties. No individual property result is identified on this page.
Lot-level readout
Flood-risk rating across all 517 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Carbrook.
Carbrook flood history and overland flow
These are suburb-wide totals across 517 analysed properties. They show how common each mapped category is across Carbrook; they do not identify or describe any individual property.
Recorded historical flood mapping
232 analysed properties intersect at least one mapped historical event extent.
- Historic Flood 1974: 232
- Historic Flood 2017: 210
- Historic Flood 2022: 209
Mapped overland flow
469 analysed properties carry a mapped overland-flow category.
- Low: 469
Source: Logan City Council flood mapping, aggregated by LayeredGeo. Categories are only shown where at least five analysed properties share them. An address-level check is still required to determine whether a particular lot is mapped.
Carbrook at a glance
Schools in and near Carbrook
Public school-location data shows availability across the suburb. These figures do not rate schools and do not assign a particular address to a catchment.
Inside the suburb boundary
4 schools providing primary years and 4 providing secondary years. A combined school may be counted in both teaching levels.
Nearest school availability
Primary: inside the suburb
Secondary: inside the suburb
Source: Queensland Government school geographic information. Catchment boundaries can divide a suburb and change over time; use the official catchment finder for a specific address.
How Carbrook is zoned
Selling in Carbrook? The lot-level zone is the zoning Part 3 of Queensland's Form 2 seller disclosure statement asks for - see our Form 2 planning data guide.
Across its 22.38 km², Carbrook is highly constrained by planning overlays. About 73% of the suburb sits within a mapped flood overlay, and 80% is flagged bushfire-prone. There are 2 heritage-listed sites on record, and the dominant land-use zone is Environmental Management and Conservation. The terrain is gently undulating, and the median lot measures about 21,296 m² across 431 parcels.
Who lives in Carbrook
Census 2021 figures published by the ABS for the Carbrook suburb boundary itself, not a wider region.
Socio-economic standing
ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.
Score 1014, and decile 8 within Queensland. The national average is 1000.
Age profile
Share of Carbrook's 1,330 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Cornubia - Carbrook, the wider ABS statistical area containing Carbrook. There is no annual population series published at suburb level, so this describes the surrounding area rather than Carbrook itself.
7,477 in 2001 to 9,471 in 2025, up 27%.
Source: ABS Census 2021 and SEIFA 2021 (Suburbs and Localities), Regional Population (SA2), CC BY 4.0. Small counts are randomly adjusted by the ABS.
Carbrook property market snapshot
Queensland Government publishes this as a SA2 market series for Cornubia - Carbrook, the wider statistical area containing Carbrook. It is not a valuation and is not specific to this suburb or any individual property.
House sales
Median sale price from 126 sales over 12 months to March 2026.
Unit sales
Median sale price from 25 sales over 12 months to March 2026.
Source: Queensland Government Statistician's Office (QGSO). View the source profile. The same SA2 figure can appear on several suburb pages within that statistical area.
Carbrook data sources and coverage
“Not mapped” means we hold no source layer for this suburb - never an all-clear.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Bushfire-prone mapping | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Zoning | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Heritage and environment | Mapped where published | the relevant council planning scheme and Queensland Government spatial data |
| Aircraft noise contours (ANEF) | Not held | the relevant council planning scheme and Queensland Government spatial data, Defence |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
| School availability | Available | Queensland Government |
| Market statistics | Available at SA2 level | Queensland Government Statistician's Office (QGSO) |
Profile last materially updated 19 September 2026. See the methodology and full source list. Source data changes over time and critical decisions should be checked with the responsible authority.
Check a specific Carbrook 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.
Published flood models are held over parts of Carbrook. The free check tells you whether one reaches an address; where it does, a Flood Model Report is +$9 with the planning report.
The Terrain Report shows the fall of the block - contours, cross sections and a 3D model of the lot (+$9 with the planning report).
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Carbrook lot.
See what's in the $9 report →Carbrook planning - frequently asked
Is Carbrook flood-prone?
About 73% of Carbrook falls within a mapped flood overlay, against the council-wide suburb average of 48%. Across the suburb, 72% of the 517 properties we analysed carry some level of mapped flood risk, including 252 rated high risk or historically affected.
Is Carbrook bushfire-prone?
Around 80% of Carbrook is mapped as bushfire-prone, compared with a Logan City average of 54%.
What is the zoning in Carbrook?
The dominant planning zone in Carbrook is Environmental Management and Conservation, though the suburb also includes Rural and Community Facilities.
Does Carbrook have heritage-listed places?
Carbrook has 2 heritage-listed places on record.
Is Carbrook hilly or flat?
Carbrook is gently undulating: the median ground slope is about 4%. Ground level runs from roughly 1 m to 29 m AHD across the suburb.
What is the typical lot size in Carbrook?
Across 431 surveyed parcels in Carbrook, the median lot size is about 21,296 m². There are also 58 registered easements mapped in the suburb.
Does Carbrook have a train station?
There is no train station inside Carbrook itself. The suburb is served by 1 bus stop.
What is the population of Carbrook?
At the 2021 Census Carbrook had 1,330 usual residents, with a median age of 46 and an average household size of 2.8 people. The wider Cornubia - Carbrook statistical area, which contains Carbrook, went from 7,477 people in 2001 to 9,471 in 2025, up 27%.
Is Carbrook an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Carbrook scores 1014 and sits in decile 7 of 10 nationally and decile 8 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Carbrook?
Median household income in Carbrook was $1,989 a week at the 2021 Census, against $1,924 for the typical suburb in Logan City. Median rent was $375 a week and the median mortgage repayment $2,600 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Redland Bay Redland City |
4.0 km | 25% | 71% |
| Alberton Gold Coast City |
4.1 km | 91% | 39% |
| Cornubia | 4.4 km | 40% | 77% |
| Eagleby | 5.0 km | 77% | 27% |
| Loganholme | 6.3 km | 87% | 34% |
| Mount Cotton Redland City |
6.7 km | 20% | 93% |
| Stapylton Gold Coast City |
6.8 km | 34% | 56% |
| Beenleigh | 7.5 km | 56% | 21% |
| Gilberton Gold Coast City |
8.0 km | 98% | 16% |
| Mount Warren Park | 8.1 km | 55% | 20% |