Browse Profitable Online Businesses for Sale in California

Find profitable California online businesses for sale on DealStream, the premier marketplace for buying and selling digital companies. Our curated listings include e-commerce stores, SaaS platforms and service-based ventures, making it easy to buy an established online business in California that fits your budget and growth goals. Start browsing today to invest in California’s booming digital economy and secure your next revenue-generating venture.

All Matching Deals

$636K Rev – Wellness Media Brand
Culver City, CA

This company is a leading digital media brand focused on personal growth, wellness, and modern lifestyle content. It produces a top-ranked podcast supported by a highly engaged global audience. Over nearly a decade, it has expanded into multiple revenue streams including advertising, social partnerships,...

On Request
Details
Sacramento, CA

With the ever-increasing demand for internet speed and connectivity, there is a race taking place among the major ISP’s within the more densely populated metropolitan areas in unrolling ultra high-speed and ultra-wide band internet connectivity. While there are a number of regions across the US with...

On Request
Cash Flow: $4,000,000
Details
4y Turnkey Cloud Isp/Enterprise Network/Ipv4 Block
Los Angeles, CA

For sale is a 4 year aged Michigan Corporation (1500 shares) turnkey internet service provider with pre-negotiated data center lease in downtown Los Angeles, BGP autonomous system number, /24 IPv4 address block. A BGP Autonomous System Number is needed for creating a peering session with multiple internet...

$80,000
Cash Flow: $0
Details
Turnkey Cloud / AI Data Center / ISP / Enterprise
Los Angeles, CA

For sale is a Michigan Corporation (10,000 shares) turnkey internet service provider with pre-negotiated data center lease in downtown Los Angeles, BGP autonomous system number, /24 IPv4 address block. A BGP Autonomous System Number is needed for creating a peering session with multiple internet service...

$75,000
Cash Flow: $0
Details
Los Angeles, CA

Two /21s for sale at 40 per IP.

On Request
Details
Orange County, CA

Emotionally-Sentient AI Mental Health platform powered by a proprietary Emotion OS—an adaptive, memory-aware system that decodes over 200 complex emotions and subconscious patterns in real time. Built with quantum-inspired AI architecture and emotionally sentient modeling, it delivers hyper-personalized...

On Request
Details
Turnkey CA Job Board | Low Overhead | High Marg
Los Angeles, CA

Broker presents an innovative online Job Platform that successfully connects job seekers with same-day employment opportunities making cash payment offers. This dynamic business has quickly gained traction, filling a unique niche within the job market by providing applicants with an easy-to-use interface...

$150,000
Cash Flow: $93,800
Details
Facial Bloat Reduction App - $20K MRR
California

Available for acquisition is an app for iOS and Android that helps men and women with face yoga exercises and tracking foods for bloating triggers. This app was launched in March 2025 and has quickly grown to a consistent $20K MRR. One of the key factors in this quick growth is the owner's viral...

$450,000
Cash Flow: $234,223
Details
Website Design and Analytics Agency
California

Boutique website design and analytics agency established in 1996 and purchased by the current owner in 2004. The Company works with customers to elevate their brand, increase web traffic and optimize user experience to drive conversions and improve business results. The Company's service offerings focus...

$300,000
Cash Flow: $78,779
Details
Consumer Debt Platform
Los Angeles County, CA

Online portal is active and ready to start generating revenue same day. This is the first and only website that enables consumers with charged-off debts to request to buy their own debt for pennies on the dollar. This unique business model will profit via transaction fees. The earning potential is endless;...

$200,000
Details
California

Are you looking for a unique online business opportunity? Introducing a fully set-up digital products website ready to generate passive income. This is the perfect opportunity to invest in a turnkey business model and start making money from day one. About the Site: Business is an online store...

$2,999
Cash Flow: $0
Details
California

GET IN ON GROUND FLOOR $$ 1ST OF ITS KIND. Fully, iOS and Android On-demand Health and Wellness App. Comes with full IP rights, App Development team as well as fully functional (Uber/OnDemand) geolocation functionality. 234 Independent Contractors of Chiropractic, Massage, Acupuncture, Yoga/Pilates,...

On Request
Details
Massive Profits: SAAS Email Platform
California

#### Boost Your Profits : The SAAS Business Opportunity You’ve Been Waiting For! In today’s digital world, where direct and effective communication is the backbone of any successful marketing strategy, email marketing stands out as an indispensable tool for businesses of all sizes. Introducing an...

$4,200
Details
California

Wireless Internet Provider for sale. In business for 20 years, located in North Carolina.

On Request
Cash Flow: $100,000
Details

Tips for Buying Online Businesses In California

Understand California’s Regulatory Environment

California has its own unique set of regulations for online businesses, ranging from privacy laws (such as the California Consumer Privacy Act, CCPA) to sales tax collection requirements. Before acquiring an online business, be sure to conduct due diligence regarding compliance with state laws. Work with an attorney who understands both e-commerce and California-specific regulations to ensure the business you’re acquiring isn’t at risk due to noncompliance.

Analyze Traffic and Revenue Sources

When buying an online business, especially in a competitive market like California, don’t just check overall revenues—look closely at where traffic and sales are coming from. Request access to Google Analytics and other relevant dashboards so you can verify website visitor numbers, conversion rates, and the sustainability of marketing channels. Be cautious of businesses heavily reliant on a single source (like one social media account) for sales, as such dependence increases risk.

Evaluate Transferability and Support

Make sure that all critical assets—such as domain names, hosting accounts, intellectual property rights, and supplier relationships—are transferable to you after purchase. Ask the seller for a clear handover process and consider negotiating a training or support period to help you transition smoothly. This is particularly important in California, where competition is fierce and prompt, effective onboarding can make a significant difference in early post-acquisition success.