Business Details
4 Years
experience
Trusted Pool Maintenance & Repair Services in Rockville, MD
Twin Pool And Spa delivers premier residential pool maintenance and repair services in Rockville, MD. Founded in 2022 by brothers Brent and Derrick Marth, our company combines 34 years of combined industry expertise with certified training in pool operations, maintenance, and safety. We specialize in pool openings, closings, weekly maintenance, equipment repair, and automation systems, prioritizing personalized service and technical excellence. Our team holds certifications including Certified Pool Operator (CPO), Certified Maintenance Specialist (CMS), and Certified Service Technician (CST), ensuring adherence to industry standards. We guarantee labor for one year post-service and operate as a factory-trained warranty station for major equipment brands. By focusing exclusively on pool care, we eliminate the compromises of multi-service providers, offering homeowners a reliable, concierge-level experience. Our approach combines advanced diagnostics with transparent communication, minimizing downtime and maximizing pool longevity. With service areas spanning Frederick, Rockville, and surrounding Maryland communities, we provide tailored solutions that align with individual pool needs and seasonal demands.
Services
Pool Opening
Pool Repair
Weekly Maintenance
Pool Closing
Automation Systems
Details
- Year established: 2022
Highlights and features
- Certified Pool Operators with 34 years of combined industry expertise
- Factory-trained warranty specialists for major pool equipment brands
- Personalized concierge-level service without franchise intermediaries
- Advanced diagnostics to prevent equipment failures and reduce costs
- One-year labor guarantee on all repair and installation services
Associations and certifications
- National Swimming Pool Foundation (NSPF)
- Pool and Hot Tub Alliance
Services
Pool Opening
Our comprehensive pool opening service prepares your pool for swim season by inspecting equipment, balancing water chemistry, and removing winter covers. We document system conditions, test heaters, and provide initial chlorine treatments. Two service options available with/without cover removal, starting at $399. Proper opening prevents algae growth and equipment strain.
Pool Repair
We repair all major pool equipment brands including pumps, filters, heaters, and automation systems. Factory-trained technicians assess repair vs replacement costs, prioritizing budget-friendly solutions. Certified warranty station for Pentair, Hayward, Raypak, and more. Emergency repairs available during business hours.
Weekly Maintenance
Scheduled maintenance includes water testing, chemical adjustment, vacuuming, skimmer basket cleaning, and equipment inspection. $140/monthly rate covers basic cleaning with optional chemical supply. Prevents costly repairs through consistent water balance and early issue detection.
Pool Closing
Our winterization service protects pools during off-season with water chemistry adjustment, equipment winterizing, and cover installation. Options at $385$495 include antifreeze application, line draining, and algicide treatment. Recommended before first freeze to prevent pipe damage.
Automation Systems
We install and program automated systems for sanitation, pH control, and cleaning equipment. Retrofit existing pools with wireless controls to reduce energy costs and manual maintenance. Systems integrate with mobile apps for remote monitoring and adjustments.
People
Brent Marth
Co-Owner & Certified Technician
With 17+ years of pool industry experience, Brent holds CPO, CMS, and CST certifications. He specializes in complex equipment diagnostics and water chemistry optimization, ensuring efficient pool operations.
Derrick Marth
Co-Owner & Certified Technician
Derrick brings 17+ years of technical expertise in pool automation and equipment repair. Certified by NSPF and Pool & Hot Tub Alliance, he focuses on system longevity and energy-efficient solutions.
Questions
What pool services do you offer in Rockville?
We provide pool openings, closings, weekly maintenance, equipment repair, automation systems, and winterization services for residential pools in Rockville and surrounding areas.
Are your technicians certified?
Yes, our team holds Certified Pool Operator (CPO), Certified Maintenance Specialist (CMS), and Certified Service Technician (CST) credentials from recognized industry organizations.
Do you service both pools and spas?
Yes, we handle maintenance, repair, and automation for both residential pools and spas, including integrated pool-spa systems.
What areas do you serve?
We service Rockville, Frederick, Chevy Chase, Bethesda, Woodbine, Potomac, and surrounding Maryland communities within Montgomery, Howard, and Frederick counties.
Do you offer emergency pool repairs?
We prioritize scheduled maintenance but can accommodate urgent equipment failures during regular business hours (8 AM–5 PM, Monday–Friday).
Can you install pool automation systems?
Yes, we specialize in installing and optimizing automated systems for sanitation, pH balance, cleaning, and filtration control in existing pools.
Reviews (7)
Nicholas Novak
May 21, 2024
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We began using their services during the Covid pandemic. Our pool, which had been operational for many years, required maintenance. They efficiently restored everything to optimal condition. Since then, we have relied on them for both pool openings and closings. Their team is consistently friendly, and they excel at providing detailed explanations of their work.
Jan Castle
May 16, 2024
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We've had issues with two previous pool companies who were consistently late and behaved unprofessionally. In contrast, these guys have been flawlessalways arriving on time or even earlyand they efficiently open and close our pool. We're thrilled to have found them!
Gwen Barch
Jun 23, 2020
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Twin Pool & Spa is one of those service companies that you hope beyound hope you will run into in your life time. I was in a bad spot in mid- August when my filter pump went out and my then pool service company of which I had been a cutomer for 23 years said they could not get out for two weeks. Reluctantly, I agreed to wait but asked if when they came to make sure they had the appropriate pump on their truck.
They assured me they would. On Friday the day of the service call they came determined it was in fact the pump and told me it would be another four days at the earliest before they could return and fix the problem. At this point I started calling around to find someone who could come out. Thank God I found Twin Pool & Spa they got the pump and came out on Sunday and fixed my pool. Subsequently I have swiched my pool services to Twin Pool & Spa. My closing in October was the smoothest least intrusive closing I have been through in 23 years.
THANK YOU TWIN POOL & SPA
They assured me they would. On Friday the day of the service call they came determined it was in fact the pump and told me it would be another four days at the earliest before they could return and fix the problem. At this point I started calling around to find someone who could come out. Thank God I found Twin Pool & Spa they got the pump and came out on Sunday and fixed my pool. Subsequently I have swiched my pool services to Twin Pool & Spa. My closing in October was the smoothest least intrusive closing I have been through in 23 years.
THANK YOU TWIN POOL & SPA
Gina L.
Jun 23, 2020
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So happy to see Brent & Derrick branch out on their own again! They are true pool professionals with the motivation, knowledge and experience to keep any swimming pool clean, clear and in top notch condition
Charlie Bevilacqua
Jun 23, 2020
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The owners/operators are extremely knowledgeable and confident in their assessment of your particular concern. You can depend on their professionalism , punctuality, and courtesy. If you hire them for ongoing maintenance, you will not regret it!
Ivy Mekonnen
Jun 23, 2020
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Their costumer service and work is outstanding! They definitely know how to get work done quickly but efficiently!!! I definitely recommend them and the lady that answers the phone is so nice and helpful!
George Assimakopoulos
Jun 23, 2020
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I live in Bethesda, MD and have been searching for a locally owned pool service company that has a wide-ranging set of support. My search is OVER! I cannot say enough about Twin Pool & Spa. The twins Derrick & Brent (yes, they really are twins) visited my home, saw my pool and said "let us handle this please." The rest is history! Our pool is now in good hands hopefully for a very long time. This is a family-owned and run business. When you call, ask for Martha (that's the mom) who is awesome too. I highly recommend Twin Pool & Spa!!