The short version
A swarm pickup in San Mateo is often $75–$250. Wall colonies cost several hundred dollars or more, plus repairs. Carpenter bee work is usually $100–$500.
- Wall colonies cost several hundred dollars or more.
- Ask whether repairs are included.
- Live removal costs more but saves the bees.
Homeowners and renters in San Mateo with a swarm, a wall colony or carpenter bees.
What to look for
Around San Mateo, honey bees usually swarm April through June. Spraying alone leaves comb and honey behind. Most bees are helpful pollinators. Trouble starts when they move into a house. A wall colony can reach tens of thousands of bees.
- 1Bees streaming in and out of one gap.
- 2A buzzing sound inside a wall.
- 3Dark, sticky stains on a ceiling or wall.
- 4A swarm hanging from a branch or fence.
- 5Round, clean holes in eaves or deck boards.
- 6Sawdust under holes in bare wood.
Why it’s worth acting soon
- Wall colonies grow larger every season.
- Comb can melt and leak honey into walls.
- Old comb attracts ants, beetles and moths.
- Carpenter bee tunnels get longer each year.
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Estimate bee removal cost in San Mateo
Adjust for your situation to see a ballpark range.
Estimated range
A rough guide only. Wall colonies and repairs cost more.
Treatment options and typical costs
Inspection and Species Identification
$75–$200
A visit to identify the bee and find the colony.
- Time
- 45–90 minutes
- Best for
- Every job
Sealing, Repair and Follow-Up Checks
$150–$450
Sealing gaps, screening vents and follow-up checks.
- Time
- 2–4 hours plus a return visit
- Best for
- Keeping bees from moving back in
Carpenter Bee Gallery Treatment and Wood Repair
$100–$500
Holes are treated, then filled. Painting or staining the wood helps keep them away.
- Time
- 1–3 hours plus sealing
- Best for
- Round holes in bare wood
Structural Hive Removal with Comb Extraction
$300–$1,500 or more
The wall is opened and the bees and comb removed. Then it's cleaned and sealed.
- Time
- Half a day to a full day
- Best for
- Colonies inside walls, soffits or attics
Prices are typical published ranges. Ask what’s included before you compare quotes.
Crawlspace vents are easy for bees to use and easy to screen with metal mesh. Check them when you check the attic.What bee removal costs in San Mateo.
- A typical home in San Mateo is worth around $1,450k, and honey leaking into a wall can cost far more than removal. Swarm season around San Mateo runs April through June, and spring is the busiest time to book. - Structural Hive Removal with Comb Extraction: $300–$1,500 or more - Carpenter Bee Gallery Treatment and Wood Repair: $100–$500 - Sealing, Repair and Follow-Up Checks: $150–$450 - Inspection and Species Identification: $75–$200
Local bees conditions in San Mateo.
An inspection in San Mateo usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Around San Mateo, the area is mostly urban, so bees pressure can differ from one block to the next depending on how tight the entry points are and how much food, water, or shelter is close by. San Mateo sits in a mediterranean climate, and that sets the pace for bee activity here: spring and summer (swarming and colony growth). A provider who works San Mateo and California every day can point out the specific conditions that matter most here, and getting the scope, price, and follow-up terms in writing makes it easier to compare options. Knowing San Mateo's seasonal timing lets you schedule treatment before the busy stretch rather than after it, which usually means faster service and a more accurate quote.
Fall is the easiest time to seal gaps along the foundation and siding, once bee traffic has slowed and before next spring's scouts start looking.Which bees show up around San Mateo.
They're best left alone. Small ground-nesting bees in spring lawns are harmless. Their colonies die off each fall. Bumble bees nest in the ground or old insulation. Western carpenter bees, including the big valley carpenter bee, bore into bare wood around San Mateo. Honey bees are behind most calls in San Mateo: swarms in spring, and colonies that move into walls.
Swarms: what to do.
a beekeeper or removal service. Keep people back. It's usually calm and moves on within days. Scouts are hunting for a new home. A swarm is a colony on the move.
Bees in the wall.
Bees and comb come out, then the wall is closed. The fix is a cut-out. Trapped bees may come into the house. Don't seal the hole, and don't just spray it. Steady traffic at one gap means a colony inside. Homes from San Mateo out to San Francisco and Oakland see the same entry points: soffits, vents and wall gaps. In older homes around San Mateo, check soffits, chimneys and gable vents first.
Carpenter bees.
They drill round, half-inch holes in bare wood. Carpenter bees look like bumble bees with a shiny, bare abdomen. Painted wood is far less attractive to them. Treat the holes, fill them, then paint the wood.
A year of bees in San Mateo.
- Spring: swarm season, April through June. - Winter: lows near 43°F in San Mateo. Honey bees cluster inside. - Fall: bumble bee colonies die off. Seal gaps once bees are gone. - Summer: highs near 78°F in San Mateo. Watch for honey stains on walls.
Bee, wasp or hornet?
- Honey bee: fuzzy, golden brown, about half an inch. - Yellowjacket: bright yellow and black, nests in the ground. - Wasp: smooth, narrow waist, long legs. - Carpenter bee: like a bumble bee, with a shiny bare abdomen. - Bumble bee: big, fuzzy, black and yellow.
If you get stung.
Wash the area and use a cold pack. Scrape the stinger out quickly with a fingernail or card. 911 for trouble breathing or a swollen face or throat. An antihistamine eases itching.
Live removal: what it involves.
Then the space is cleaned, sealed and closed. The bees go to a managed hive. Then they cut out the comb. They open the wall and gently vacuum the bees. A specialist finds the colony, often with a thermal camera.
What to tell the removal company.
- Where the bees go in and out. - A photo or short video, taken from a safe distance. - Whether anyone at home is allergic. - Any stains, sounds or smells inside. - How long you’ve noticed them. - How high up the spot is.
Ground bees in the lawn.
They're gentle and rarely sting. Small bees over bare spring lawn are usually mining bees. Thicker grass and regular watering make the lawn less inviting. They leave within a few weeks.
Keeping bees from moving back in.
- Remove all old comb. Its scent draws new swarms. - Repaint or restain bare wood every few years. - Cap open pipes, posts and fence rails. - Screen attic, gable and crawl vents. - Seal the entry gap once the bees are gone.
Where colonies settle.
- Chimneys: a cap with screen keeps swarms out. - Hollow trees and fence posts: often fine to leave. - Grill covers and unused equipment: check in spring. - Meter and irrigation boxes: small, dark and dry. - Sheds and garages: gaps under eaves and doors. - Attics: gable and soffit vents are common entries.
Can I just spray them?
Live removal is usually the better choice. Pesticide labels also limit spraying around bees. Dead bees and comb stay inside, rot, and leak honey. Still, spraying a wall colony usually backfires. Honey bees aren't federally protected.
Kids, pets and bees.
Keep pets away from swarms and wall entrances. Teach kids to stay calm and walk away from bees. Cover sweet drinks outside. Dogs stung in the mouth or throat need a vet quickly.
When a swarm shows up.
They have no hive to defend. Swarming bees are usually calm. In spring, a swarm may hang from a branch or fence. A beekeeper may collect it. Keep people and pets back. Most move on within a day or two.
Questions to ask before you sign.
- What kind of bee is it? - How will you seal the entry afterward? - Who repairs the wall or soffit? - Will you take out all the comb and honey? - Will you remove the bees alive?
Ways to keep the cost down.
- Call early, before a colony settles in a wall. - Compare what each quote covers. - Paint bare wood to prevent carpenter bees. - Ask a local beekeeper about swarms.
What affects the price
- Swarm pickup versus a colony inside a wall.
- How high the bees are, and whether a lift is needed.
- Opening and repairing walls, soffits or ceilings.
- Comb and honey cleanup.
- Number of carpenter bee holes.
- Whether bees can be removed alive.
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What’s your biggest bee concern?
When to call for help
if a swarm hasn't moved on in a few days. right away if anyone in the house is allergic. Call if bees use a gap in your walls or roof.
What you can do yourself
Treat, fill and paint. Carpenter bee holes are a fair DIY job. Never seal a hole bees are using. A beekeeper or removal specialist can often save the bees. Swarms and wall colonies are not.
Bees in San Mateo
Winter lows near 43°F in San Mateo send honey bees into a tight cluster; they don't leave the nest. In denser parts of San Mateo, colonies turn up in walls, soffits, signs and utility boxes. With about 21 inches of rain a year and summer highs near 78°F in San Mateo, spring bloom is steady and swarms are common.
Local research
Bees in San Mateo, CA: what the public record shows
Before you compare quotes, it helps to know which bees actually live in California, when they are busiest around San Mateo, and what the state figures look like. Everything below links to the agency or university page it came from.
Honey bee colonies, January 1, 2026 (operations with five or more colonies)
Managed hives are the source of the spring swarms that end up in homes and trees; the state table is on page 7 of the report.
USDA National Agricultural Statistics ServiceAfricanized honey bee arrival in California
Since then AHB 'have become the majority of feral bee colonies found in nature' in Southern California.
UC Agriculture and Natural ResourcesBee species recorded in California
- Western honey bee (European honey bee) (Apis mellifera) — Managed colonies are surveyed by USDA NASS in the listed states; swarms leave hives in spring and move into wall voids, chimneys, and trees. If a colony is killed and not remove…
- Africanized honey bee (Apis mellifera scutellata hybrids) — Visually indistinguishable from European honey bees; far more defensive and swarm more often. 'They entered Texas in 1990, Arizona and New Mexico in 1993, and California in 1994…
- Bumble bees (Bombus spp.) — Social native bees; 'Nests are initiated by a single female (queen) in the spring' in 'a small cavity like an abandoned rodent burrow' (WSU). They 'can sting multiple times; sti…
When bees are busiest around San Mateo
Swarms come 'usually in the spring but sometimes at other times of the year when local conditions permit' (UC IPM). AHB has colonized 'all Southern California counties, and the southern Central Valley' as of 2008 (UC Riverside CISR).
UC IPM: 'in some areas your only option will be to hire a structural pest control company', and pesticides labeled for killing bees inside structures 'are available only to licensed pest control operators'. Killing a colony in place risks fermenting honey seeping through drywall. San Diego County notes AHB 'follow and attack intruders for up to a quarter mile away'.
Rules that apply in California
For context, nationally
- 788 deaths (an average of 72 deaths per year) — Sting deaths, hornets/wasps/bees, 2011–2021. CDC MMWR
- 84% — Share of sting deaths among males, 2011–2021. CDC MMWR
Sources: Honey Bee Colonies (August 2026); UC Agriculture and Natural Resources; CDC MMWR; African Honey Bee, Africanized Honey Bee, Killer Bee (EENY-429 / IN790); Apidae: Bumble Bees (Bombus spp.) — Hortsense. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep bees away
- Seal gaps in soffits, vents and siding before spring.
- Screen attic and crawl vents.
- Paint or stain bare wood to deter carpenter bees.
- Fill old carpenter bee holes after treatment.
- Remove old comb so new swarms aren’t drawn in.
- Keep empty bee boxes and hives closed up.
In an apartment building, one colony in a shared wall can mean bees in several units. Let the manager know where they're coming in, and don't spray or plug the gap yourself.Did you know?
Honey bees communicate the location of flowers with a “waggle dance.”
Male carpenter bees can’t sting. They just hover and bluff.
Questions people ask
What should a bee removal quote include?
Bee type, colony location, live removal, comb cleanup and repairs.
What does carpenter bee treatment cost?
Usually $100–$500, depending on the number and height of holes.
Why does live relocation cost more than spraying?
Around San Mateo, bees, comb and honey all come out, and the wall gets opened. Spraying leaves comb behind, which causes problems. It takes longer.
Will homeowners insurance pay for bee removal?
Leaking honey damage may differ. Ask your insurer. Usually not. Insurers treat it as maintenance.
Will the bees be killed, or relocated?
Carpenter bees are treated in their galleries. Bumble bees are sometimes moved and sometimes left until fall. Honey bees are relocated alive by nearly every reputable bee removal pro serving San Mateo, either by capturing a swarm or by vacuuming a colony out of a structure into a hive box.
How do I prevent bees from moving into my house?
For carpenter bees, the answer is finished, painted wood. Plug old galleries so they cannot be reused. Prevention in San Mateo is mostly carpentry and caulk. Scout bees look for a quarter-inch opening into a hollow, so seal soffit gaps, vent screens, and rafter tails on your home.
How much does bee removal cost?
Around San Mateo, a swarm pickup is inexpensive, carpenter bee work is moderate, and a structural cut-out with comb extraction is the costly one, often several hundred dollars and sometimes over a thousand. Repairs to the wall or soffit may be billed separately. It depends on the job type more than anything.
How much does it cost to remove Africanized honeybees?
Around San Mateo, one hundred to $1,000 is HomeAdvisor's 2026 benchmark for removing Africanized honeybees, and local prices vary.
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Sources (10)
The facts in this article come from the public sources listed above. Every home is different, so ask the company you talk to about pricing and what’s included. Published by Beehive Removal · Updated September 11, 2026 · How we write these guides