If you have woken up with itchy welts in a row, found rusty specks on a fitted sheet or spotted a flat brown bug in a mattress seam, bed bugs may have reached your Castro Valley home. Our licensed technicians inspect and treat older houses near the boulevard, hillside homes in the canyons, condos, duplexes and apartments across the community. We put the plan and the price in writing first. Call or send the form on this page for a free bed bug control quote.
Castro Valley uses 2 ZIP codes, and each has its own area page. 94546 covers the older core of the valley floor, with Castro Valley Boulevard, the Castro Village shopping center, the BART station and Lake Chabot. 94552 covers the eastern hills, including Five Canyons, Palomares Canyon and the Rowell Ranch Rodeo Park on Dublin Canyon Road, where most homes went up in the 1980s or later.
Bed Bug Help From the Boulevard to the Canyons
Bed Bug Control Services in Castro Valley
Every job here begins with an inspection. A 1940s cottage with original trim near the boulevard and a 1990s two story house up in Five Canyons hide bugs in different places, and what we find decides which of the methods below makes sense.
Bed Bug InspectionOur licensed technician confirms whether bed bugs are present and writes down every room and item involved.Learn more 
K9 Bed Bug InspectionA trained scent dog finds live bed bugs and viable eggs hidden in furniture, trim and wall gaps.Learn more 
Bed Bug Heat TreatmentRooms are heated past the point bed bugs and their eggs can survive, usually in one day.Learn more 
Chemical Bed Bug TreatmentProfessional products placed in the cracks and seams where bed bugs rest, with return visits for late hatching eggs.Learn more 
Bed Bug FumigationThe house is sealed under a tent and filled with a gas that reaches every wall void and stored item.Learn more 
Bed Bug Steam TreatmentVery hot dry steam kills bed bugs and eggs on contact in mattresses, cushions and upholstery.Learn more Why a Can of Spray Rarely Ends It in Castro Valley
Store foggers and sprays reach the bugs sitting in the open, which is very few of them. Most rest in seams, joints and wall gaps, and a spray tends to drive them further in or into the next room.
Eggs a single female bed bug can lay in her lifetime.
Source: Virginia Tech Cooperative ExtensionFrom egg to a breeding adult at room temperature, so a small problem grows fast.
Source: Virginia Tech Cooperative ExtensionStore-bought foggers tested by Ohio State researchers had little or no effect on bed bugs.
Source: Journal of Economic Entomology, 2012Why Bed Bugs Turn Up in Castro Valley
Bed bugs do not come from dirt or clutter. They travel in suitcases, backpacks, work bags and used furniture, then hide close to where people sleep or sit for long periods.
The 2020 Census counted 66,441 people in Castro Valley, which makes it one of the largest unincorporated communities in California. It covers about 17 square miles between the City of Hayward to the south and the hills of Anthony Chabot Regional Park to the north. In the 1940s and 1950s the valley was known for chicken ranches. It then grew into a bedroom community, and by 1960 it already had more than 37,000 residents. Joseph Eichler built some of his homes here during that growth.
Today many residents commute out by BART, AC Transit or the I-580 and I-238 freeways, and Eden Medical Center, a Sutter Health hospital, draws patients and visitors from around the area.
Ranch Era Houses, Additions and Second Units
In 94546 the most common decade of construction is the 1940s. Many of these homes sit on lots that were once part of larger ranch parcels. Over the years owners have added rooms, garage conversions and, on some lots, a cottage or in-law unit out back. Every place where new work meets old walls leaves seams, and bed bugs hide in gaps thinner than a credit card.
- Old trim and floors: gaps behind baseboards, door casings and old picture rail molding give bugs room to hide near the bed.
- Added rooms: the joint where an addition meets the original wall often has cracks we treat directly.
- A second unit on the lot: if a relative or tenant lives in a back cottage, bugs can move between buildings on laundry, bedding and furniture, so we check both.
A Community With No City Hall
Castro Valley has no city council. Alameda County governs it directly, and a 7 member Municipal Advisory Council advises the county Board of Supervisors. Voters turned down incorporation in 1956 and again in 2002. For a household dealing with bed bugs, that changes the first steps a little.
- Renters: report signs to your landlord or property manager in writing. AB 551 applies here just as it does in any California city.
- Landlords: the written notice and the 2 business day rule for sharing inspection findings apply to every Castro Valley rental, from a duplex to a back unit.
- County rules: there is no city housing office in Castro Valley, so any local rental rules come from Alameda County. Check with the county before relying on them.
How Bed Bug Removal Works in Castro Valley
4 steps take you from the first call to a bedroom you can sleep in again.
- 01You call
Tell us your ZIP code, the type of home and what you have seen. The quote costs nothing.
- 02We inspect
A licensed technician checks beds, couches and nearby rooms, plus any back unit on the lot.
- 03Written quote
You receive the method, the prep list and the total price before you decide.
- 04We treat and recheck
We treat each confirmed area, then return to make sure no new bugs have hatched.
6 Signs of Bed Bugs in a Castro Valley Home
Bites alone do not prove anything. These marks on furniture and bedding are the stronger evidence.
Itchy red bumps grouped together or in a short line on skin left bare in bed.
Small dark stains on sheets, pillowcases and mattress piping.
Empty, see-through casings that nymphs shed as they grow.
White, rice-shaped eggs about 1 millimeter long tucked into seams.
Reddish brown, wingless and flat as a lentil when they have not fed.
A sweetish, musty smell where an infestation is heavy.
Castro Valley Areas We Cover
Choose your ZIP code for details about its homes, its landmarks and the kinds of bed bug calls we see there.
Castro Valley Service Area Map
We work across the whole community, from Lake Chabot and the Castro Valley BART station down to the Hayward line, and east through the canyons to Five Canyons, Palomares Canyon and Dublin Canyon Road.
Nearby Cities We Cover
We also treat homes across Alameda County and the East Bay, including Hayward, San Leandro, San Lorenzo, Oakland, Dublin and Pleasanton.
- Hayward2 mi
- San Lorenzo3 mi
- San Leandro4 mi
- Union City7 mi
- Dublin8 mi
- San Ramon8 mi
- Danville10 mi
- Moraga10 mi
- Alameda11 mi
- Alamo11 mi
- Fremont11 mi
- Pleasanton12 mi
Renting in Castro Valley? California Law Protects You
In 94546, close to 4 in 10 occupied homes are rented. In the hills of 94552 the share is closer to 1 in 8. Wherever you rent, AB 551 (California Civil Code 1954.600 to 1954.605) gives you statewide bed bug protections, whether you lease an apartment, half a duplex, a rented house or a room in someone's home.
- Landlords must give tenants a written bed bug notice.
- A landlord cannot show, rent or lease a unit they know has bed bugs.
- After a licensed pest control operator inspects, the landlord must share the findings with affected tenants within 2 business days.
- Tenants who report bed bugs are protected from retaliation.
Send your report in writing with the date, the rooms involved and photos if you have them. Keep a copy. If you rent a back cottage or in-law unit, write to the property owner even if they live in the front house.
What Bed Bug Treatment Costs in Castro Valley
For most Castro Valley homes, price follows the number of rooms that need work and the method chosen, so a problem found early in one bedroom is far cheaper than one spread through a house and a back unit. For a rough idea, Angi's 2026 US averages show a visual inspection at $65 to $200, a K9 search at $300 to $600 and treatment at $200 to $400 per room, with whole home jobs often between $1,500 and $6,200. Your written quote is the number to plan around.
Castro Valley Bed Bug Questions
Castro Valley has no city government. Who do renters here report bed bugs to?
Your landlord or property manager, in writing. Castro Valley is an unincorporated community run by Alameda County, so there is no city housing office to call first. AB 551 is state law, so it covers Castro Valley tenants exactly as it covers renters inside an incorporated city. For any county housing rules, check with Alameda County directly.
Which ZIP codes do you treat in Castro Valley?
Both of them. 94546 is the older, flatter part of town around Castro Valley Boulevard, the BART station and Lake Chabot. 94552 is the eastern hills and canyons, including Five Canyons and Palomares Canyon. Each one has its own area page on this site.
Our house dates from the 1940s and has a back cottage. Do you inspect both buildings?
Yes, if people sleep in both or move between them often. A second unit on the same lot shares guests, laundry and furniture with the main house, so we check its beds and sitting areas in the same visit and list each building separately on your written quote.
I ride BART to work every day. Can bed bugs come home on my bag?
It can happen, but it is not common. A bag set on a seat or floor can pick up a stray bug. Keep your work bag off the bed and the couch at home, and if bites start, tell us about your commute along with any trips or hotel stays.
How much does bed bug treatment cost in Castro Valley?
Home size, the number of rooms with activity and the method we pick all move the price. As a national guide, Angi's 2026 US averages show $65 to $200 for a visual inspection, $200 to $400 per treated room and roughly $1,500 to $6,200 for a whole home. Your own price comes in writing after we inspect.
What happens when you reach out: Bed Bug Control CA inspects and treats homes for bed bugs in California. Our team sets up your Castro Valley inspection after the first call. We quote in writing, then treat once you say yes.