Pests in the house on Mallorca: recognising, preventing and combating cockroaches, termites and co.

A warm evening, the window is open – and suddenly something darts across the kitchen tiles. Pests in the house on Mallorca are no minor issue for most newcomers, but everyday life: the mild climate, dense development and the sometimes centuries-old sewage system, especially in Palma, create ideal conditions for cockroaches, rats, ants and termites. In this guide you'll learn which species are typical here, how to seasonally protect your home, when a professional pest controller is unavoidable, who is responsible in rented flats and communal facilities – and what you should watch out for regarding termites when buying a house.

Cockroaches in the bathroom, ants in the kitchen – and you don't know where to start?

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Why Mallorca is a paradise for pests

Climate change is measurably worsening the situation: milder winters and hotter summers favour the proliferation of insects and rodents in sewers, houses and public spaces. Constant moisture, warmth and accumulated waste make the sewage system an ideal habitat for cockroaches and rats – from there, the leap into flats and business premises is not far. Towns with dense settlement and old sewer networks are particularly affected.

In Palma, the historic building fabric adds to the problem: the medieval sewage system of the old town meets the Mediterranean climate – a combination that makes the city a stronghold for Oriental cockroaches in summer. In modern apartment complexes along the coast, however, the German cockroach tends to dominate, nesting behind kitchen cupboards and under sinks.

Watch out: May to October is peak season. During this time, municipal sewer cleaning or disinfection measures – in Palma, for example, during the summer months – can cause cockroaches to increasingly flee the sewers into flats. Anyone who only starts dealing with it then is too late.

The most common pests at a glance

Not every crawling creature is automatically an emergency. The following table shows which species most commonly appear in residential buildings on Mallorca and what favours them.

Note: Not all mosquito species are dangerous, but some transmit diseases – an additional reason to consistently avoid standing water around the house.

Cockroaches: species, behaviour and immediate measures

On Mallorca you'll mainly encounter two cockroach species with different behaviour:

Anyone who has ever switched on the light at night and seen cockroaches scurrying away knows the first instinct: panic. A structured approach is more sensible:

1. Seal entry points: Insert drain strainers into all bathroom and kitchen drains, seal pipe penetrations with silicone, check door thresholds for gaps.
2. Use gel bait instead of spray: Professional gel baits also work on hidden animals and interrupt the breeding cycle – they are considered more effective than classic sprays, which only hit visible specimens.
3. Use sticky traps for monitoring: Place at suspected entry points to measure activity before and after treatment.
4. Engage a certified pest controller in case of persistent infestation – at the latest when bait and sealing show no effect over a longer period.

Regarding the exact question from the forum – "who can help, and what does it cost?" – the following applies: a blanket fixed price cannot be seriously stated, as costs depend heavily on the extent of the infestation, the living area and the provider. It's advisable to obtain several quotes from certified companies and specifically ask about UNE-16636-2015 certification – the Spanish quality standard for pest control.

Your seasonal roadmap against cockroaches

One-off treatments are usually not enough in Mallorca's climate. The following rhythm can serve as a rough guide – the exact timing depends on the weather and individual circumstances:

You'll find further everyday topics around housing – such as how to correctly register your water connection and pipework, which is also the basis for leak-free drains – in the guide Registering water on Mallorca.

Termites & woodworm: the silent danger for older properties

Unlike cockroaches, termites and woodworm usually go unnoticed – often only becoming apparent once load-bearing wooden beams (vigas) in older properties and fincas have already been weakened. Specialised pest control companies on Mallorca therefore offer targeted wood protection and fumigation services against termites and woodworm, separate from classic insect or rodent control.

Please note: A termite infestation often goes undetected for years, until wooden structures visibly begin to give way. Regular visual inspections of roof structures, window frames and visible beams are therefore not a luxury, but strongly recommended for owners of older properties and fincas.

Rats, mice and ants: town, garden and sewer system

Rats and mice find ideal living conditions in the sewer system thanks to constant moisture, warmth and food waste – with an increasing likelihood that they will make their way from there into houses and business premises. Ants are usually a purely summer phenomenon in kitchens and gardens and can generally be kept in check with consistent cleanliness and targeted bait.

Who is responsible? Tenant, landlord, comunidad

With rental properties and communal facilities, the question of who pays for pest control quickly arises. A reliable rule of thumb that has become established in practice on Mallorca:

Note: Clarify responsibility in writing wherever possible – either in the tenancy agreement or with the management of the Comunidad – before an infestation becomes acute; this saves a lot of discussion in case of dispute.

Pest control when buying a house: a termite check is a must

Anyone buying a finca or an old-build townhouse on Mallorca should have the condition of the wooden structures actively checked – especially since termite infestation is often not visible from the outside. Specialised companies offer appropriate fumigation and wood protection services; an inspection before completing the purchase is just as advisable as checking for damp in the masonry. General information on buying property and ongoing costs can be found in the guide Cost of living Mallorca.

When you need a professional – and who can help on Mallorca

As soon as bait, sealing and personal initiative fail to bring improvement over a longer period, or if you suspect termites, larger rat populations or a recurring infestation, professional help is advisable. Several specialised providers have established themselves on Mallorca:

Note: In the event of an acute infestation, get at least two quotes and actively ask about UNE-16636-2015 certification – it's a reliable indicator of quality for professional pest control in Spain.

Pest control services in Mallorca: top-rated companies

When cockroaches, termites or rats call for a professional: these pest controllers from our directory have the most Google reviews on Mallorca (as of July 2026, from 4.0 stars upwards):

This selection is based solely on public Google review data from our business directory and is not an editorial recommendation. Always obtain several quotes before hiring.

The most common mistakes in pest control

• Reacting too late: Anyone who only starts prevention in midsummer, in the middle of peak season, is fighting an already established infestation rather than individual intruders.
• Only using spray instead of bait: Sprays hit visible pests but leave hidden nests untouched – gel baits work more sustainably.
• Ignoring drains and door thresholds: Even small gaps are enough for a German cockroach to get in.
• Not clarifying responsibility in advance: Disputes between tenant, landlord and Comunidad cost valuable time while an infestation continues to spread.
• Underestimating termites: Because they behave inconspicuously, an infestation is often only noticed once wooden structures have already been weakened.

What comes next? Long-term protection for your home

After a successful treatment, follow-up care is crucial: keep to the seasonal rhythm with gel baits, continue to check drains and door thresholds regularly, and plan annual visual inspections of the wooden structures if you own an old building or finca. If you have just moved to Mallorca and don't yet have reliable local contacts, a Relocation Service on Mallorca can help you find reputable tradespeople and service contacts – including for pest control – more quickly.

Checklist: Pests in the home on Mallorca

• Drain strainers fitted in bathroom and kitchen
• Pipe penetrations sealed with silicone
• Door thresholds checked for gaps
• Gel baits laid out seasonally (spring, early summer, midsummer, autumn)
• Bins kept closed, no open food scraps in the garden
• Wooden beams in old buildings/fincas visually inspected annually
• Responsibility (tenant/landlord/Comunidad) clarified in writing
• Contact with a certified pest controller (UNE 16636-2015) researched in advance

Conclusion

Pests in the home on Mallorca are not a sign of poor cleanliness, but a matter of climate, sewage systems and building fabric – and therefore something you can plan for. Anyone who knows the peak season from May to October, consistently seals entry points, and calls in a certified pest controller in good time in case of persistent infestation will keep cockroaches, rats and termites permanently in check. Clarify responsibilities early on with your landlord or Comunidad, and have the condition of the wood professionally checked when buying an old building or finca – this will save you costly surprises.

Official sources

• Mallorca Zeitung: "Pests in Mallorca's towns and municipalities – challenges and solutions" — https://www.mallorcazeitung.es/umwelt/2024/12/05/schadlinge-stadten-gemeinden-mallorca-112346038.html
• Spain Pest Guide: "Cockroaches in Palma de Mallorca – Guide" — https://spainpestguide.com/de/gebiete/palma
• Illes Control: pest control company in Mallorca (UNE 16636-2015) — https://www.illescontrol.com/unternehmen-insektenbekampfung-mallorca
• ODANA Control de Plagas: pest controllers Mallorca — https://odanacontroldeplagas.com/schadlingsbekampfungsunternehmen-auf-mallorca
• t-online: "Cockroaches in Mallorca: Just disgusting or also dangerous?" — https://www.t-online.de/leben/reisen/europa/spanien/id_90595292/kakerlaken-auf-mallorca-nur-ekelig-oder-auch-gefaehrlich-.html