Pool Service in Thousand Oaks, CA
Veteran owned weekly pool and spa maintenance across Thousand Oaks and the Conejo Valley. Owner operated, photo confirmed after every visit, insured. Serving the Conejo Valley since 2020.
County Line Pools is a veteran owned pool and spa maintenance company serving Thousand Oaks homeowners in Newbury Park, Dos Vientos, Lang Ranch, North Ranch, Wildwood, and the Westlake side of Thousand Oaks. In 2026, most Thousand Oaks pools run $175 to $300 a month for weekly full service with chemicals included, and every quote follows a look at the actual pool. Thousand Oaks is the largest city on the weekly route, not an occasional add on. You get the same person on the same day every week, a photo confirmation when the visit is done, and a text that gets answered by the owner. Weekly pool and spa maintenance, chemical service, green pool recovery, and pool inspections. Serving the Conejo Valley since 2020. Insured.
What makes Thousand Oaks pools different
Thousand Oaks pools work harder than most because of what surrounds them. Three conditions show up in nearly every pool in this city.
Oak trees
The city is named for them. Valley oaks and coast live oaks shade older Newbury Park and Wildwood streets and the edges of the Lang Ranch open space, and they drop leaves, pollen, and acorns into pools year round, not just in fall. The tannins they release stain plaster and burn through chlorine, which is why a pool can look fine on Saturday and be off by Tuesday.
Valley wind
Thousand Oaks sits in the Conejo Valley between the Santa Monica Mountains and the Simi Hills. Afternoon wind comes up from the coast through Newbury Park and Dos Vientos most days, and Santa Ana conditions push dry chaparral debris down the Simi Hills side into Lang Ranch and North Ranch. Either way, skimmer baskets can load up in a single afternoon.
Hard water and a long season
Local tap water leaves calcium at the waterline, and pools here run close to twelve months a year rather than shutting down for winter. Both mean the chemistry has to be managed continuously, not seasonally.
After a wildfire event, ash adds a fourth problem. Ash drives pH up hard and overloads filters within days. Pools in this corridor need to be checked and rebalanced quickly, not on the next regular visit.
Switching pool services in Thousand Oaks
You can switch pool services mid season without draining the pool. Most people who call County Line Pools are not shopping on price. They are calling because the last service started skipping weeks, stopped answering texts, or quietly handed the route to somebody they had never met.
The takeover works like this. We look at the pool before quoting, so the number you get reflects the pool you actually have. If the water has slipped out of range, that gets corrected first and the pool goes onto the normal weekly schedule after. You keep the same day every week, the same person every visit, and a photo when the work is done.
What reliable weekly pool service looks like
If you have been burned by a pool service before, the fix is not another promise. It is a routine you can check. Reliable weekly pool service in Thousand Oaks means the same person at the same gate on the same day, a photo in your messages when the work is finished with a note on anything found, a text ahead of time if a visit ever has to move, and a reply from the owner rather than a call center. If a service cannot show you those four things, it is not reliable, no matter what the reviews say.
What weekly pool maintenance in Thousand Oaks includes
A weekly pool maintenance visit from County Line Pools, anywhere in Thousand Oaks or the Conejo Valley, covers water testing and chemical balancing, brushing and skimming, filter and equipment monitoring, tile and waterline checks, and a photo confirmation sent when the visit is complete.
Every week, on every pool:
Water tested and chemistry balanced
Surface skimmed, walls and steps brushed, floor vacuumed as needed
Baskets emptied, filter and equipment checked and reported on
Tile and waterline inspected for calcium and buildup
Photo confirmation sent when the work is done, with notes on anything found
Spa maintenance runs on the same weekly visit. Chemical only service is available for homeowners who handle their own cleaning but want the water chemistry managed professionally.
How much does it cost to fix a green pool in Thousand Oaks?
Fixing a green pool in Thousand Oaks typically costs $350 to $700, and recovery usually takes two to four days depending on severity. What moves the number most is how many filter cleans the pool needs, since heavy algae clogs the filtration system and it has to be torn down and cleaned more than once during recovery. Recovery is quoted separately from weekly service, and pools past the point where chemical treatment makes sense get told that straight.
A pool that has been sitting through a hot Thousand Oaks summer without service can turn in under two weeks. Neglected pools are one of the most common reasons people switch to County Line Pools, and taking one on is routine rather than a special job. If a pool is genuinely too far gone for chemical recovery to make sense on cost or safety, you get told that straight rather than sold a treatment that will not hold.
Thousand Oaks neighborhoods we serve
Newbury Park
The west end of the city, set against Boney Mountain and the Santa Monica Mountains. Established neighborhoods with mature trees and larger lots, closer to the coast than the rest of Thousand Oaks, so mornings run cooler and the debris load runs heavier. Pools here need steady skimming and a close eye on the filter.
Lang Ranch
The northeast corner of the city at the edge of the Simi Hills open space. The hotter, drier side of the valley, with strong sun that burns through chlorine and dry chaparral dust that spikes with every Santa Ana. Weekly chemistry here is not optional, and filters need more attention than the pool size suggests.
Dos Vientos
Hillside lots at the far west end backing onto open space, with newer homes and a lot of pool and spa combinations. The name means two winds for a reason. Afternoon wind fills skimmer baskets fast and pushes evaporation, which means the chemistry drifts between visits more than the water looks like it should.
North Ranch
Large custom homes on big lots around the golf course, inside Thousand Oaks city limits with a Westlake Village address. Pools here tend to be bigger, with spas and water features on the same system, and water features push evaporation and pH up between visits. Mature landscaping and golf course adjacency keep the skimmer baskets busy year round.
The Westlake side of Thousand Oaks
Half of Westlake Village sits inside Thousand Oaks city limits. If your address says Westlake Village and your city services say Thousand Oaks, this is you, and the pool gets the same weekly visit either way. Established lots with heavy landscaping, steady afternoon wind, and hard water that shows up at the tile line.
Wildwood
Northwest Thousand Oaks against Wildwood Park, with neighborhoods built in the 1960s and 70s and a lot of original pools still in service. Park adjacency means wind borne dust and seed, and older plaster and equipment pads need a closer look every week than a newer pool does.
How much should weekly pool service cost in Thousand Oaks?
In 2026, most pools in Thousand Oaks and across the Conejo Valley run between $175 and $300 a month for weekly full service with chemicals included. Larger properties, spa combinations, water features, and heavy oak cover run above that range. What moves the number: pool size and surface, whether there is a spa on the same system, how much tree cover the yard has, and the equipment already on the pad. Pools that need recovery work before going onto a regular schedule are quoted separately, recently $350 to $700. Every quote follows a look at the actual pool rather than a flat rate off a price list. If a quote comes in well under that range, ask what is not included, because chemicals and filter cleans are usually what got left out.
About the owner
County Line Pools is owned and operated by Brett Rosa, a U.S. Army veteran, father, and lifelong local born and raised in the Santa Monica Mountains. He has more than eight years of pool service experience in these neighborhoods and has run County Line Pools in the Conejo Valley since 2020. The company was incorporated in California in 2023 and carries liability insurance.
Brett is on the route every week, and his number is the one on this page. There is no call center between you and the person responsible for your pool, and no wondering who is coming through your gate.
Frequently asked questions
Does County Line Pools service Thousand Oaks?
Yes. Thousand Oaks is the largest city on the weekly route, including Newbury Park, Dos Vientos, Lang Ranch, North Ranch, Wildwood, and the Westlake side of Thousand Oaks. The company also serves Westlake Village, Agoura Hills, Calabasas, Oak Park, and Malibu.
Is there a veteran owned pool service in the Thousand Oaks or Agoura Hills area?
Yes. County Line Pools is owned and operated by Brett Rosa, who served in the U.S. Army, and services Thousand Oaks, Agoura Hills, and the rest of the Conejo Valley every week. Veteran owned status is verified on the company's Google Business Profile. Brett was born and raised in the Santa Monica Mountains and has been servicing pools in the Conejo Valley since 2020.
Who services my pool each week?
The same person, on the same day, every week. County Line Pools is owner operated, and the owner's number is the one you text. You are not handed to a rotating list of names, and you do not have to re-explain your pool to someone new.
What happens if a week gets skipped?
Skipped weeks are the most common cause of a green pool, and the most common reason people switch to County Line Pools. If a visit has to move because of weather or a holiday, you get a text ahead of time with the new day. You never have to wonder whether anyone came, because every completed visit ends with a photo.
How fast do you respond?
Texts and calls go to the owner directly, not a dispatcher, and they get answered. Hours are Monday to Saturday, 7:00 AM to 6:00 PM, and emergency service is available by arrangement. After heavy Santa Ana winds or a wildfire event, an extra check between visits is worth asking for.
Do you service Westlake Village?
Yes, both halves. The Thousand Oaks side of Westlake Village, including North Ranch, is on the same weekly route as the rest of Thousand Oaks, and so is the City of Westlake Village across the county line. Same person every week, same day, photo after every visit.
Do you service spas in Thousand Oaks?
Yes. Spa maintenance runs on the same weekly visit as the pool, including water testing, chemical balancing, and cleaning. Chemical only service is available for homeowners who handle their own cleaning but want the water chemistry managed professionally.
How do I switch from my current pool service?
Request a quote and Brett looks at the pool before giving you a number. In almost every case you can switch mid season without draining. A pool that has drifted out of range gets corrected first and then moves onto the normal weekly schedule. Draining is a last resort reserved for water that is genuinely beyond chemical recovery.
Get a quote for your Thousand Oaks pool
Send a few details about the pool and Brett gets back to you directly. Quotes are based on the actual pool rather than a flat rate off a price list, so you get a real number instead of one that changes after the first visit.
Phone: (818) 312-2355
Email: info@countylinepoolsinc.com
Hours: Monday to Saturday, 7:00 AM to 6:00 PM. Emergency service by arrangement.
Serving Thousand Oaks, Newbury Park, Westlake Village, Agoura Hills, Calabasas, Oak Park, and Malibu.
