24 Hour Fitness is a privately held fitness-club company headquartered in Carlsbad, California. Founded in 1983, the company operates more than 235 gyms offering strength and cardio equipment, group exercise classes, personal training, pools, saunas, recovery areas, basketball courts, and digital workouts through the 24GO app.
Members commonly search for the 24 Hour Fitness corporate office address or phone number when they need help with membership cancellation, recurring charges, annual fees, club maintenance, broken equipment, cleanliness, personal training, a frozen account, membership access, an employee interaction, or another unresolved complaint.
How to Contact 24 Hour Fitness Corporate Office
24 Hour Fitness currently directs most membership questions and club complaints through its online contact form or the member’s local club. The company’s current business and mailing addresses are in Carlsbad rather than at its former San Ramon headquarters.
- Legal Company Name: 24 Hour Fitness USA, LLC
- Current Business Address: 1265 Laurel Tree Lane, Suite 200, Carlsbad, CA 92011
- Published Mailing Address: P.O. Box 2689, Carlsbad, CA 92018
- Former Corporate Address: 12647 Alcosta Boulevard, Suite 500, San Ramon, CA 94583
- Member Services Phone Number: 1-800-432-6348
- Member Services Email: cu*************@*******it.com
- Customer Contact Form: Contact 24 Hour Fitness
- Membership Cancellation: Cancel an Eligible Membership Online
- Member Login: 24 Hour Fitness Member Login
- Club Locator: Find a 24 Hour Fitness Club
- Membership Policies: 24 Hour Fitness Membership Policies
- Official Website: 24HourFitness.com
- Careers: 24 Hour Fitness Careers
- Media Hotline: 1-866-819-7414
- Corporate Status: Privately held; no public stock symbol
The former San Ramon corporate number, 1-925-543-3100, continues to appear in older directories and legacy company documents. Current company materials identify Carlsbad addresses and direct members toward the online contact form, local clubs, and member services.
The numbers 1-866-308-8179, 1-800-224-0240, and 1-888-243-5002 also appear in older online listings. Because 24 Hour Fitness no longer prominently publishes those numbers for cancellation, club location assistance, or membership sales, members should use the current official website before relying on them.
How to Escalate a 24 Hour Fitness Complaint
The most effective escalation process depends on whether the concern involves a local club, membership billing, cancellation, equipment, cleanliness, personal training, employee conduct, or an account problem.
- Begin with the front desk or club manager at the location involved.
- Document the club name, address, date, approximate time, equipment number, class, transaction, and names of employees involved.
- For maintenance or cleanliness concerns, take photographs when it is safe and appropriate to do so without photographing other members.
- Clearly explain the issue and state the resolution you are requesting, such as an equipment repair, billing adjustment, cancellation confirmation, account correction, refund review, or management response.
- If the club does not resolve the matter, submit the official 24 Hour Fitness contact form and select the club involved.
- Ask for written confirmation, a reference number, or the name of the manager handling the concern.
- For recurring billing or cancellation issues, keep copies of the membership agreement, bank statements, cancellation confirmation, emails, and screenshots from the member account.
- If necessary, mail a concise written complaint and copies of supporting documents to 24 Hour Fitness USA, LLC, P.O. Box 2689, Carlsbad, CA 92018.
Do not publish complete bank-account numbers, payment-card numbers, passwords, medical records, home addresses, locker combinations, or other sensitive personal information in a public review.
How to Cancel a 24 Hour Fitness Membership
24 Hour Fitness provides an online cancellation process for eligible monthly-payment memberships. Members should log in or use the official cancellation page and follow the prompts until a confirmation is displayed or received.
Members with limited-term or prepaid memberships are currently directed to speak with a team member at a club or contact 24 Hour Fitness through its official support form.
Before canceling, review the membership agreement for:
- Required notice
- Commitment periods
- Final monthly dues
- Annual fees
- Personal-training agreements
- Prepaid or limited-term restrictions
- State-specific cancellation rights
- Whether the membership automatically renews
After submitting a cancellation, save the confirmation page, email, reference number, date, and screenshots. Continue reviewing the payment account until charges have stopped.
Canceling a gym membership does not necessarily cancel a separate personal-training agreement, digital subscription, or other service contract. Review each agreement individually.
How to Freeze a 24 Hour Fitness Membership
24 Hour Fitness publishes a membership-freeze policy for qualifying members. The company generally requires the membership to be in good standing, with initiation fees, dues, and annual fees paid.
The current policy states that members normally must provide at least 10 days’ notice. A freeze during a required commitment period may extend the commitment by the length of the freeze.
Freeze eligibility, duration, monthly charges, medical documentation, and other conditions can depend on the membership agreement and reason for the request. Members should obtain the approved start and end dates in writing.
About 24 Hour Fitness
24 Hour Fitness was founded in 1983 by Mark Mastrov after he became involved with a small fitness facility in the San Francisco Bay Area. The original business was known as 24 Hour Nautilus and later became 24 Hour Fitness.
The company expanded into one of the largest company-operated gym chains in the United States, with hundreds of locations and millions of members during its peak years.
- Founded: 1983
- Founder: Mark Mastrov
- Headquarters: Carlsbad, California
- Owner and Executive Chair: Mark Mastrov
- Investment Partner: LongRange Capital
- President and CEO: Karl Sanft
- Employees: Approximately 7,000
- Club Network: More than 235 locations
- States Served: California, Texas, Colorado, Hawaii, Nevada, Oregon, Washington, New York, and New Jersey
- Business Type: Privately held fitness-club operator
- Primary Services: Gym memberships, fitness classes, personal training, recovery services, and digital workouts
Who Owns 24 Hour Fitness?
24 Hour Fitness is privately owned by an investor group involving company founder Mark Mastrov and LongRange Capital.
In January 2026, the company announced that Mastrov had returned as owner and executive chair after partnering with LongRange Capital to acquire 24 Hour Fitness.
Mastrov originally built the company from a single facility into a major national fitness brand before selling it in 2005. His return placed the founder back in a direct ownership and leadership role.
Who Is the CEO of 24 Hour Fitness?
Karl Sanft is president and chief executive officer of 24 Hour Fitness. He oversees the company’s strategy, club operations, growth, member experience, technology, programs, and services.
Sanft has worked in consumer-focused businesses for nearly 30 years. Under his leadership, 24 Hour Fitness has remodeled clubs, opened new locations, introduced updated membership options, and expanded recovery and digital fitness services.
Did 24 Hour Fitness File for Bankruptcy?
Yes. 24 Hour Fitness filed for Chapter 11 bankruptcy protection in June 2020 after COVID-19 closures significantly disrupted its operations.
The company closed numerous clubs during the restructuring and emerged from bankruptcy in December 2020 under new ownership.
24 Hour Fitness continued operating after bankruptcy, later reopening, remodeling, acquiring, and developing clubs. The ownership changed again in 2026 when Mark Mastrov and LongRange Capital acquired the company.
How Many 24 Hour Fitness Clubs Are There?
The official 24 Hour Fitness website currently states that the company operates more than 235 clubs across nine states.
The exact total can change as clubs open, close, relocate, are remodeled, or are sold to other fitness operators. Members should use the official club locator to confirm whether a location is open and review its current hours and amenities.
Are All 24 Hour Fitness Locations Open 24 Hours?
No. Despite the company name, not every 24 Hour Fitness location operates 24 hours a day.
Many clubs are open around the clock, while others have reduced overnight, weekend, or holiday schedules. Hours may also change temporarily because of staffing, maintenance, remodeling, weather, or local requirements.
Members should check the individual club page or call the local gym before visiting outside normal daytime hours.
24 Hour Fitness Memberships and Fees
24 Hour Fitness offers several membership levels, promotional offers, prepaid plans, and monthly-payment options. Names and benefits can change over time and may vary by club.
Membership terms may include:
- Monthly or prepaid dues
- An initiation fee
- An annual fee
- Automatic renewal
- Access to one club or multiple clubs
- Club-tier restrictions
- Group exercise classes
- Pool, sauna, basketball court, and other amenity access
- 24GO digital workouts
- Recovery24 or premium wellness benefits
- Buddy passes
- Separate personal-training charges
Promotional prices do not always include annual fees, taxes, upgraded services, or personal training. Members should retain a copy of the agreement and review when each recurring charge will be processed.
24 Hour Fitness Amenities
Amenities vary by club and membership type. Participating locations may offer:
- Cardio equipment
- Free weights and strength machines
- Functional training and turf areas
- Group exercise studios
- Yoga, Pilates, Zumba, cycling, and HIIT classes
- Personal training
- Basketball and sports courts
- Swimming pools and spas
- Saunas and steam areas
- Locker rooms and showers
- Recovery24 areas
- Premium Fit24 spaces
- Body-composition scans
- Kids’ or youth programs at selected locations
Equipment, classes, pools, saunas, recovery areas, and other amenities are not available at every club. Some premium services require an upgraded membership or additional fee.
24GO App and Digital Fitness
The 24GO app allows members to locate clubs, check in, reserve participating classes, follow digital workouts, track activity, and access selected account features.
The company advertises more than 2,000 workouts through the app. Some digital content and premium features may require a qualifying membership or separate subscription.
Members experiencing login, class-reservation, account-linking, or check-in issues should keep screenshots and contact their local club or member services.
24 Hour Fitness Reviews, Complaints and Member Feedback
Reviews submitted to CorporateOfficeHeadquarters.com describe both positive and negative experiences involving club maintenance, equipment, cleanliness, locker rooms, showers, saunas, managers, and customer-service follow-up.
Recent complaint themes have included:
- Broken equipment: Members have reported machines remaining out of service for extended periods.
- Deferred maintenance: Complaints describe worn facilities, damaged lockers, plumbing problems, and repairs that appeared to be repeatedly delayed.
- Showers and wet areas: Some reviews mention nonworking showers, sauna odors, and deteriorating locker-room conditions.
- Cleanliness: Members have raised concerns about floors, trash, bathrooms, exterior areas, and cleaning frequency.
- Management interactions: One reviewer described a manager responding dismissively when concerns about broken showers were raised.
- Corporate approval delays: Members have said local employees blamed unrepaired equipment or facilities on delayed corporate authorization.
- Positive management changes: A Tacoma reviewer praised a newly appointed manager for personally cleaning, repairing equipment, and improving the club.
These themes are based on individual visitor submissions and do not represent every 24 Hour Fitness club, employee, or member experience. Conditions can vary considerably according to the club, building age, staffing, management, maintenance schedule, and membership volume.
The related CustomerServiceNumbers.com listing does not currently contain individual reviews, but it provides an additional location where members can submit customer-service feedback.
24 Hour Fitness Competitive Landscape
24 Hour Fitness competes in the national health-club market on membership price, location, operating hours, equipment, group classes, pools, courts, personal training, recovery services, digital tools, and club quality.
Three of its largest competitors include:
- Planet Fitness Corporate Office – Planet Fitness competes through low-cost memberships, a large franchise network, basic strength and cardio equipment, and its Judgement Free Zone positioning.
- LA Fitness Corporate Office – LA Fitness competes through large clubs, pools, basketball courts, group classes, personal training, and a broad metropolitan presence.
- Gold’s Gym Corporate Office – Gold’s Gym competes through strength training, bodybuilding heritage, personal training, classes, and an international franchise network.
Other significant competitors include:
- Crunch Fitness Corporate Office – Crunch competes through value pricing, group fitness, franchise growth, personal training, and a younger brand identity.
- Snap Fitness Corporate Office – Snap Fitness competes through smaller neighborhood gyms, franchise locations, and extended-hours access.
24 Hour Fitness distinguishes itself through large multipurpose clubs, extensive equipment, group classes, pools and courts at selected locations, personal training, digital workouts, and premium recovery services.
Related Fitness Corporate Office Pages
- Planet Fitness Corporate Office
- LA Fitness Corporate Office
- Gold’s Gym Corporate Office
- Crunch Fitness Corporate Office
- Snap Fitness Corporate Office
- Fitness Connection Corporate Office
- YouFit Corporate Office
- Retro Fitness Corporate Office
Additional 24 Hour Fitness Member Resources
Members looking for customer-service information, cancellation help, membership policies, club locations, or employment information may find these resources useful:
- 24 Hour Fitness Customer Service Number, Reviews and Complaints
- Contact 24 Hour Fitness About a Club or Membership
- Cancel an Eligible Monthly Membership
- Review Membership and Freeze Policies
- Find a Club, Phone Number, Hours and Amenities
- Compare 24 Hour Fitness Membership Options
- Learn About Recovery24
- Search 24 Hour Fitness Job Openings
Frequently Asked Questions About 24 Hour Fitness
Where is the 24 Hour Fitness corporate office?
24 Hour Fitness currently uses 1265 Laurel Tree Lane, Suite 200, Carlsbad, CA 92011 as a business address. Its official website also publishes P.O. Box 2689, Carlsbad, CA 92018.
Is 24 Hour Fitness still headquartered in San Ramon?
Current company materials identify Carlsbad addresses. The former San Ramon office at 12647 Alcosta Boulevard continues to appear in older directories and legacy legal documents.
What is the 24 Hour Fitness customer-service phone number?
24 Hour Fitness member services can be reached at 1-800-432-6348. Members may also use the official contact form or call their local club.
How do I email 24 Hour Fitness?
24 Hour Fitness publishes cu*************@*******it.com for member-service questions. Club-specific complaints can also be submitted through the official contact form.
How do I file a complaint with 24 Hour Fitness corporate?
Begin with the club manager. If the matter is not resolved, use the corporate contact form, call member services, and retain all receipts, photographs, emails, case numbers, and account records.
How do I cancel a 24 Hour Fitness membership?
Eligible monthly-payment memberships can be canceled through the official online cancellation page. Limited-term or prepaid members are directed to contact the company or speak with a club team member.
Can I cancel 24 Hour Fitness by phone?
Cancellation options depend on the membership agreement and membership type. The company’s current website emphasizes online cancellation for eligible monthly-payment memberships and club or contact-form assistance for limited-term and prepaid plans.
How do I prove that I canceled?
Save the cancellation confirmation, email, screenshot, reference number, and submission date. Continue monitoring the payment account and promptly dispute any unexpected charge directly with 24 Hour Fitness.
Can I freeze my 24 Hour Fitness membership?
Qualifying memberships may be frozen if the account is in good standing. The published policy generally requires at least 10 days’ notice, and a freeze may extend a required commitment period.
Who owns 24 Hour Fitness?
24 Hour Fitness is privately owned through a partnership involving founder Mark Mastrov and LongRange Capital. Mastrov returned as owner and executive chair in January 2026.
Who is the CEO of 24 Hour Fitness?
Karl Sanft is president and chief executive officer of 24 Hour Fitness.
Did 24 Hour Fitness go out of business?
No. The company filed for Chapter 11 bankruptcy in 2020 and closed numerous clubs, but it emerged from bankruptcy and continues operating more than 235 locations.
Are all 24 Hour Fitness gyms open 24 hours?
No. Hours vary by club. Some locations are open 24 hours, while others close overnight or follow reduced weekend and holiday schedules.
How do I report broken equipment or a dirty club?
Notify the front desk or club manager, identify the equipment or area involved, and submit the corporate contact form if the issue is not corrected. Avoid photographing other members.
How do I contact a specific 24 Hour Fitness club?
Use the official club locator to find the local address, telephone number, operating hours, class schedule, club tier, and available amenities.
How do I dispute an annual fee or recurring charge?
Review the membership agreement and account history, then contact member services with the charge date, amount, membership number, and supporting documentation. Do not send a complete bank-account or payment-card number by email.
How do I apply for a job at 24 Hour Fitness?
Visit the company careers website to search for club, personal-training, management, sales, maintenance, technology, human-resources, and corporate positions.
Why Trust CorporateOfficeHeadquarters.com?
CorporateOfficeHeadquarters.com has helped consumers locate corporate addresses, headquarters phone numbers, executive information, customer-service contacts, and company details since 2004.
The website also gives consumers a place to share reviews, complaints, photographs, compliments, and the outcomes of their customer-service experiences. These submissions can help identify recurring concerns and show how experiences differ among clubs, managers, employees, membership plans, and locations.
Corporate addresses, telephone numbers, ownership, membership policies, club hours, and executive positions can change. Visitors should verify important information through 24 Hour Fitness before mailing documents, canceling a membership, or providing personal information.
Disclaimer
CorporateOfficeHeadquarters.com is an independent consumer information website and is not affiliated with, endorsed by, or sponsored by 24 Hour Fitness USA, LLC, Mark Mastrov, LongRange Capital, or any individual 24 Hour Fitness club.
24 Hour Fitness, 24GO, Recovery24, Fit24, GX24, and related names and logos are trademarks of their respective owners. Corporate and membership information is believed to be accurate at the time of publication but may change without notice.
Reviews and comments represent the opinions and experiences of individual visitors and do not necessarily reflect the views of CorporateOfficeHeadquarters.com. Allegations contained in consumer reviews have not necessarily been independently verified.
Share Your 24 Hour Fitness Experience
Have you contacted 24 Hour Fitness member services, worked with a club manager, canceled or frozen a membership, disputed a charge, reported broken equipment, or attempted to escalate a complaint? Share your experience below.
When leaving a review, consider mentioning the club location, approximate date, membership or service involved, customer-support channel used, whether the company responded, and whether the matter was resolved.
Do not include payment-card numbers, bank-account details, passwords, complete membership numbers, home addresses, medical records, locker combinations, or other sensitive personal information.