Spider species

House Spider Control

Common house spiders build messy webs in corners, basements, and window frames. While not dangerous, they indicate pest prey activity. We reduce web buildup and treat the insects that attract them.

House Spider Control

Local support

Web reduction service

Interior web removal, prey-insect treatment, and entry point sealing.

Licensed & Insured Official GA State License
Species Identification Accurate spider ID first
Targeted Treatment Species-specific approach
Local Experts Metro Atlanta coverage
Common House Spider Low Risk

Key Facts

Size
3/16" - 5/16"
Color
Yellowish-brown with darker mottled markings
Habitat
Corners, basements, window frames, closets
Danger
Low

Common House Spider

Parasteatoda tepidariorum

The common house spider is the most frequently encountered spider inside Metro Atlanta homes. While not dangerous to humans, house spiders are a persistent nuisance that creates unsightly cobwebs in corners, along ceilings, in window frames, and throughout basements and garages. Their tangled, messy webs accumulate quickly and give homes a neglected appearance. These spiders are year-round indoor residents that reproduce steadily in the stable environment your home provides.

Although house spiders are beneficial predators that consume flies, mosquitoes, and other small insects, most homeowners do not want visible webs and spiders throughout their living spaces. Large populations indicate underlying insect activity that serves as a food source. Servitix takes a comprehensive approach to house spider management, reducing both the spider population and the insect prey that sustains it. This dual strategy produces longer-lasting results than simply knocking down webs, which only prompts the spiders to rebuild in new locations.

Common house spiders are relatively small, with body lengths of 3/16 to 5/16 inch. Females are slightly larger than males. Their color ranges from yellowish-brown to dirty white with darker brown or gray mottled markings on the abdomen. The legs are banded with alternating light and dark rings. The cephalothorax is yellowish-brown. The overall appearance is unremarkable compared to more distinctive species, which is why homeowners often simply call them cobweb spiders.

House spiders have eight eyes arranged in two rows. They are often confused with brown widow spiders, which are a different species with a more bulbous abdomen and distinct markings. The web is one of the best identification tools: house spider webs are tangled, three-dimensional cobwebs typically found in upper corners, under furniture, in window frames, and in undisturbed areas. These webs lack the organized spiral pattern of orb weavers. If you are finding spiders in your home and are unsure of the species, Servitix provides free identification during our inspection visits to confirm whether the species is harmless or potentially dangerous.

Common house spiders are web-builders that spin tangled cobwebs to capture prey. They typically remain stationary in or near their web, waiting for insects to become entangled. When a web fails to catch prey after a period, the spider will abandon it and construct a new web in a different location, which is why empty cobwebs accumulate throughout homes. A single spider may build and abandon multiple webs over its lifetime.

Female house spiders can produce over a dozen egg sacs during their one-to-two-year lifespan, each containing 100 to 400 eggs. This high reproductive rate means populations can grow rapidly indoors. Spiderlings disperse by ballooning on silk threads, which spreads them throughout the home. House spiders are active year-round indoors because the stable temperature and humidity of Georgia homes eliminate seasonal constraints. They are most commonly noticed during fall when outdoor spiders also attempt to move indoors. House spiders are not aggressive and will retreat or play dead when disturbed. Bites are extremely rare and result in only minor, temporary irritation comparable to a mosquito bite.

As their name suggests, common house spiders are adapted to indoor living. In Metro Atlanta homes, they are found in virtually every room but concentrate in areas with less human traffic and higher insect activity. Upper corners of rooms, window frames, closets, basements, attics, garages, and the spaces behind and under furniture are prime locations. They also build webs around light fixtures that attract insect prey, in laundry rooms, and along the junctions where walls meet ceilings.

Bathrooms and kitchens attract house spiders because these areas often harbor small flies and other insects associated with moisture and food. Basements and crawl spaces with higher humidity levels support larger populations. In garage settings, house spiders build webs prolifically around stored items, along rafters, and in corners. Outdoors, the same species can be found under eaves, in porch corners, and around exterior lighting. Homes with gaps around windows, doors, and utility penetrations provide easy entry for outdoor spiders to establish interior populations. Servitix addresses both the indoor spider population and the environmental factors like insect prey and entry points that sustain infestations.

Common house spiders pose no significant health risk to humans or pets. Their bites are extremely rare and only produce mild, temporary irritation. The primary concern with house spiders is aesthetic. Accumulating cobwebs throughout a home create an unkempt appearance, particularly in high-ceilinged rooms, entryways, and living areas where webs are visible to guests. For businesses, visible cobwebs can create a negative impression for customers and clients.

A heavy house spider population also signals a broader pest issue. Where there are many spiders, there are many insects serving as prey. Addressing only the spiders without tackling the underlying insect population leads to recurring infestations. Some homeowners also confuse common house spiders with more dangerous species like brown widows or brown recluses, causing unnecessary anxiety. Professional identification from Servitix provides peace of mind by confirming the species and ruling out medically significant spiders. Our treatment plans address the complete picture, reducing both spider populations and the insect activity that sustains them, delivering a cleaner, more comfortable home environment.

Servitix treats house spider infestations with a combination of web removal, targeted residual treatments, and insect prey reduction. Our technicians begin by removing existing cobwebs and egg sacs from interior and exterior surfaces. We then apply residual insecticides to baseboards, window frames, door frames, and other areas where spiders travel and build webs. Exterior perimeter treatments create a barrier that reduces both spider and insect entry into the home.

Long-term house spider management depends on reducing the conditions that attract and sustain them. We recommend sealing gaps around windows, doors, and utility penetrations to limit entry points. Reducing exterior lighting or switching to yellow bulbs that attract fewer insects cuts off the prey supply that draws spiders close to your home. Regular vacuuming of corners, ceiling edges, and behind furniture removes webs and egg sacs before spiderlings can disperse. Addressing moisture issues in basements and crawl spaces reduces humidity that both spiders and insects prefer. Our quarterly maintenance plans include regular web removal, perimeter treatment, and interior spot treatments to keep house spider populations at consistently low levels throughout the year.

Overview

The common house spider is the most frequently encountered spider inside Metro Atlanta homes. While not dangerous to humans, house spiders are a persistent nuisance that creates unsightly cobwebs in corners, along ceilings, in window frames, and throughout basements and garages. Their tangled, messy webs accumulate quickly and give homes a neglected appearance. These spiders are year-round indoor residents that reproduce steadily in the stable environment your home provides.

Although house spiders are beneficial predators that consume flies, mosquitoes, and other small insects, most homeowners do not want visible webs and spiders throughout their living spaces. Large populations indicate underlying insect activity that serves as a food source. Servitix takes a comprehensive approach to house spider management, reducing both the spider population and the insect prey that sustains it. This dual strategy produces longer-lasting results than simply knocking down webs, which only prompts the spiders to rebuild in new locations.

Identification

Common house spiders are relatively small, with body lengths of 3/16 to 5/16 inch. Females are slightly larger than males. Their color ranges from yellowish-brown to dirty white with darker brown or gray mottled markings on the abdomen. The legs are banded with alternating light and dark rings. The cephalothorax is yellowish-brown. The overall appearance is unremarkable compared to more distinctive species, which is why homeowners often simply call them cobweb spiders.

House spiders have eight eyes arranged in two rows. They are often confused with brown widow spiders, which are a different species with a more bulbous abdomen and distinct markings. The web is one of the best identification tools: house spider webs are tangled, three-dimensional cobwebs typically found in upper corners, under furniture, in window frames, and in undisturbed areas. These webs lack the organized spiral pattern of orb weavers. If you are finding spiders in your home and are unsure of the species, Servitix provides free identification during our inspection visits to confirm whether the species is harmless or potentially dangerous.

Behavior

Common house spiders are web-builders that spin tangled cobwebs to capture prey. They typically remain stationary in or near their web, waiting for insects to become entangled. When a web fails to catch prey after a period, the spider will abandon it and construct a new web in a different location, which is why empty cobwebs accumulate throughout homes. A single spider may build and abandon multiple webs over its lifetime.

Female house spiders can produce over a dozen egg sacs during their one-to-two-year lifespan, each containing 100 to 400 eggs. This high reproductive rate means populations can grow rapidly indoors. Spiderlings disperse by ballooning on silk threads, which spreads them throughout the home. House spiders are active year-round indoors because the stable temperature and humidity of Georgia homes eliminate seasonal constraints. They are most commonly noticed during fall when outdoor spiders also attempt to move indoors. House spiders are not aggressive and will retreat or play dead when disturbed. Bites are extremely rare and result in only minor, temporary irritation comparable to a mosquito bite.

Habitat

As their name suggests, common house spiders are adapted to indoor living. In Metro Atlanta homes, they are found in virtually every room but concentrate in areas with less human traffic and higher insect activity. Upper corners of rooms, window frames, closets, basements, attics, garages, and the spaces behind and under furniture are prime locations. They also build webs around light fixtures that attract insect prey, in laundry rooms, and along the junctions where walls meet ceilings.

Bathrooms and kitchens attract house spiders because these areas often harbor small flies and other insects associated with moisture and food. Basements and crawl spaces with higher humidity levels support larger populations. In garage settings, house spiders build webs prolifically around stored items, along rafters, and in corners. Outdoors, the same species can be found under eaves, in porch corners, and around exterior lighting. Homes with gaps around windows, doors, and utility penetrations provide easy entry for outdoor spiders to establish interior populations. Servitix addresses both the indoor spider population and the environmental factors like insect prey and entry points that sustain infestations.

Risks

Common house spiders pose no significant health risk to humans or pets. Their bites are extremely rare and only produce mild, temporary irritation. The primary concern with house spiders is aesthetic. Accumulating cobwebs throughout a home create an unkempt appearance, particularly in high-ceilinged rooms, entryways, and living areas where webs are visible to guests. For businesses, visible cobwebs can create a negative impression for customers and clients.

A heavy house spider population also signals a broader pest issue. Where there are many spiders, there are many insects serving as prey. Addressing only the spiders without tackling the underlying insect population leads to recurring infestations. Some homeowners also confuse common house spiders with more dangerous species like brown widows or brown recluses, causing unnecessary anxiety. Professional identification from Servitix provides peace of mind by confirming the species and ruling out medically significant spiders. Our treatment plans address the complete picture, reducing both spider populations and the insect activity that sustains them, delivering a cleaner, more comfortable home environment.

Prevention & Treatment

Servitix treats house spider infestations with a combination of web removal, targeted residual treatments, and insect prey reduction. Our technicians begin by removing existing cobwebs and egg sacs from interior and exterior surfaces. We then apply residual insecticides to baseboards, window frames, door frames, and other areas where spiders travel and build webs. Exterior perimeter treatments create a barrier that reduces both spider and insect entry into the home.

Long-term house spider management depends on reducing the conditions that attract and sustain them. We recommend sealing gaps around windows, doors, and utility penetrations to limit entry points. Reducing exterior lighting or switching to yellow bulbs that attract fewer insects cuts off the prey supply that draws spiders close to your home. Regular vacuuming of corners, ceiling edges, and behind furniture removes webs and egg sacs before spiderlings can disperse. Addressing moisture issues in basements and crawl spaces reduces humidity that both spiders and insects prefer. Our quarterly maintenance plans include regular web removal, perimeter treatment, and interior spot treatments to keep house spider populations at consistently low levels throughout the year.

Common House Spider FAQ

Are common house spiders dangerous? +

No. Common house spiders are not medically significant. Their bites are extremely rare and cause only minor, temporary irritation similar to a mosquito bite. However, many homeowners confuse house spiders with more dangerous species. If you are unsure about the spiders in your home, Servitix provides professional identification during our inspection to confirm the species and recommend appropriate action.

Why do I keep finding cobwebs even after cleaning them? +

House spiders abandon webs that fail to catch prey and build new ones in different locations. Simply removing webs does not eliminate the spiders or their food source. The spiders remain in the home and quickly rebuild. Effective management requires reducing both the spider population through targeted treatments and the insect prey that sustains them. Servitix addresses both factors for lasting results.

Does having a lot of house spiders mean I have other pest problems? +

Yes, typically. Spiders go where the food is. A large house spider population usually indicates significant insect activity in your home, including flies, gnats, mosquitoes, and other small pests. Servitix treatment plans address the complete ecosystem by reducing both the spiders and the insect populations that attract them, giving you a cleaner, more pest-free home overall.

Think You Have House Spiders?

Our technicians can identify the species and build a targeted treatment plan.