Riverstone Building
Inspections

The 2021 floods and what to ask before you exchange

Marsden Road was inundated, and the answer is not in a building report.

Riverstone 2765 · 19 August 2026

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In short: Where flood exposure sits between council, conveyancer and inspector in Riverstone.

What happened

Riverstone experienced major flooding in 2021, with homes along Marsden Road inundated. It is part of the suburb's recent history and worth understanding before you buy.

Whose question it is

Flood exposure for a specific lot comes from council flood mapping and the planning certificate your conveyancer obtains. It is not established by walking through a house.

What we can contribute

How the building handles water on its own site: whether the ground falls away from the slab, whether stormwater leaves the property, whether pits drain, and whether there is evidence of past water entry.

Evidence of past entry

Staining at low level, damaged skirtings, replaced flooring that stops at an odd line. We report what is visible and say plainly that we cannot date it.

Insurance follows the mapping

Premiums and availability track the flood mapping rather than the building report, which is another reason to settle the mapping question first.

Written by our local inspection team from work carried out in Riverstone. Licensed building practitioners.

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FAQ

Questions Riverstone owners ask about this

Will you tell me if a house has flooded?

We report visible evidence consistent with water entry. Whether it flooded, and when, is a disclosure and searches question.

Does flood history affect the structure?

It can, particularly flooring, linings and any subfloor timber. Those are the areas we look at hardest on a property with that history.

Should I still buy in Riverstone?

That is entirely your call. Our position is only that the mapping question should be answered before exchange, not after.

Who do I ask first?

Your conveyancer, for the planning certificate, and Blacktown City Council for the flood mapping.

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