Quick answer

Start by checking and removing mosquito-breeding water in and around the home. Treatment depends on the source and site; indoor fogging is not the default for every flat. Four Solutions assesses mosquito activity and the appropriate source-reduction, larviciding or adult-control work.

Recurring mosquitoes can involve breeding water within the property or nearby shared areas. Record which rooms are affected and when activity occurs so the source can be investigated. Finding and managing breeding conditions matters alongside any treatment of adult mosquitoes.

A swarm near lights or water does not identify the insects. The midges and mosquitoes guide explains what to record and which identification and reporting questions to ask before choosing treatment.

Where mosquitoes breed at home

Check water-holding containers, plant trays, accessible drains, air-conditioner trays and balcony pooling. A suspected drain or shared-area source needs inspection; the presence of mosquitoes alone does not establish where they are breeding.

NEA describes the Aedes life cycle under optimal conditions: an egg can hatch into a larva in less than a day, the larva takes about four days to become a pupa, and an adult emerges two days later. That short cycle is why NEA's household checklist repeats some checks every other day and others once a week.

How to get rid of them

Why spraying alone does not work

Adult mosquito treatment does not replace checks for breeding water. Mosquitoes can return while breeding habitats remain or activity continues in neighbouring areas. Source reduction, suitable treatment where needed and follow-up address different parts of the problem.

When to call a professional

It is worth getting help when bites are frequent, you cannot find the breeding source, or there is dengue activity in your area. Four Solutions combines fogging, larviciding and source reduction and is a registered NEA Vector Control Operator (NEA201812722M). You can message us on WhatsApp for a quick assessment.

Preparing for a treatment visit

If adult-mosquito treatment such as fogging is recommended, NEA expects the operator to tell you, and the nearby premises likely to be affected, in advance, and to explain precautions such as removing food, toys and pets from the premises beforehand. Ask for those instructions for your property before the visit, and have the affected rooms, balcony, plant areas and any suspected drain accessible.

Questions to ask before you accept a mosquito control quote

Sources: NEA household mosquito-prevention checklist, NEA Aedes mosquito page, NEA guidance on vector control operators and NEA explanation of source reduction and fogging. Guidance checked 8 October 2026.

Mosquito FAQs

How do I get rid of mosquitoes inside my HDB flat?

Check accessible water-holding containers and plant trays, note the affected rooms and times, and remove breeding water where possible. Ask for an assessment if activity persists. Indoor fogging is not assumed to be suitable for every HDB flat.

Mosquitoes are breeding in my drain, what can I do?

Ask for an inspection of the suspected drain and its access. Do not block drainage or change the water seal. The appropriate maintenance, cover, anti-mosquito fitting or treatment depends on the trap and confirmed breeding conditions.

How do I lower my dengue risk at home?

Follow NEA household prevention guidance: check water-holding areas regularly, empty and clean plant-pot plates and change vase water every other day, and clear leaves and stagnant water from accessible drains weekly. Professional treatment is assessed separately and does not replace these checks.

Why do the mosquitoes keep coming back?

Possible reasons include breeding water that was missed, changing site conditions or mosquitoes coming from nearby areas. Record when and where activity returns so the next inspection can check the source rather than simply repeat spraying.

How quickly do mosquitoes breed in standing water?

NEA describes the Aedes cycle under optimal conditions: an egg can hatch in less than a day, the larva takes about four days to become a pupa, and an adult emerges two days later. That is why NEA advises changing vase water and clearing plant-pot plates every other day, and clearing drains and gardens once a week.

What should I prepare before a mosquito treatment?

Ask the operator for the preparation steps for the chosen method. For fogging, NEA expects operators to tell clients and nearby premises in advance and to explain precautions such as removing food, toys and pets from the premises beforehand. Keep the affected rooms, balcony and any suspected drain accessible.

What should a mosquito control quote include?

The areas covered, the method and why it suits the property, the preparation and return instructions, and the follow-up. NEA states that only registered Vector Control Operators can be engaged, and Four Solutions is registered as NEA201812722M. Scope and price follow the assessment.