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Mainline Insurance - Contractor Insurance Specialists
Mainline Insurance is an independent insurance agency dedicated to helping contractors and small businesses secure the right coverage at affordable rates. Based in San Diego, California, we've proudly served contractors and business owners in California, Florida, and Texas since 2006.
We specialize in contractors insurance, including roofing insurance, plumbing insurance, and carpentry insurance. Whether you need General Liability Insurance for contractors, Workers' Compensation, Commercial Auto, or Construction Bonds, Mainline Insurance has you covered.
What sets us apart is our process: we provide you with at least four competitive insurance quotes from top-rated carriers. We walk you through each option in detail, ensuring you have the information you need to make the best choice for your roofing company, plumbing business, carpentry operation, or any other contracting trade.
Our mission is simple: deliver honest advice, exceptional service, and insurance solutions that put your business first.
We Promise To:
Always be honest with you
Provide fast, friendly, and reliable service
Be available when you need us most
Put your business interests first
Place you with reputable insurance carriers
Offer competitive and fair pricing
Mainline Insurance is your trusted partner for contractor insurance in San Diego and beyond. Whether you're a roofer, plumber, carpenter, or any type of contractor, we're here to protect your business so you can focus on building it.
What our clients are saying
"Mainline is my absolute last stop for insurance. They consistently balance my concern with cost, and the appropriate level of coverage so that I don't find myself in a situation outside of my coverage. It's about letting me know what's possible, not just trying to tell me what you think I want to hear. I send everyone here, and have confidence and confirmation they have all been well taken care of."
"Great experience working with Fernando! Very professional and helpful with my residents renters insurance. Highly recommend!"
"This insurance company has helped me and my clients, they are Plumbing Insurance Experts and specialize in helping plumbing business owners get the correct insurance, Ralph and Michael are the 2 gentlemen then I have worked with, I would not recommend another insurance company! This insurance company will take good care of you and anyone else you recommend"
"Ralph was great in getting us a good workers compensation quote. Huge shoutout to him! I recommend Mainline Insurance to anyone looking for any type of insurance."
"Good insurance service a rating the best in the state!"
"I used Mainline Insurance for our company's general liability and workers comp. They were super clear in what my options were, what the costs would be, and they were available whenever I had questions. They even helped me understand how to navigate the world of coverage amounts when we moved physical locations that also had shared space with others who weren't part of our organization. All in all, it was exactly what I hoped for and will continue using them!"
"This insurance company has helped me and my clients, they are Plumbing Insurance Experts and specialize in helping plumbing business owners get the correct insurance, Ralph and Michael are the 2 gentlemen then I have worked with, I would not recommend another insurance company! This insurance company will take good care of you and anyone else you recommend "
"Ralph with Mainline Insurance is great at what he does. Ralph understands the need for high risk clients to find the right coverage for their business whether its roofers, construction companies or any other high risk trade that cant find coverage with the average insurance company. Mainline Insurance isn't your average carrier, they strive to go above and beyond their clients needs and find that perfect policy. They have been in business over 14 years and their success continues to grow due to their ability to deliver and execute their clients needs with efficiency and integrity. Thanks Ralph for all your assistance, I look forward to working with your team!"
"5 stars"
"Ralph was great in getting us a good workers compensation quote. Huge shoutout to him! I recommend mainline insurance to anyone looking for any type of insurance."
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Personal and Commercial Lines insurance professionals
Ask me about these types of insurance...
Having the right car insurance is so important, even more important is understanding all the ins and outs of your coverage to help protect you.
Request an automobile insurance quoteAn independent insurance agent will make sure that your business is covered in the event of a catastrophe or sudden loss.
Request a business insurance quoteGet multiple quotes on your homeowners insurance with one phone call. Let an independent agent shop for you.
Request a homeowners insurance quoteIf a data breach does happen, it's a wise decision to have a cyber liability insurance policy to help your company stay secure.
Request a cyber liability quoteAn independent insurance agent will walk you through top umbrella policy options to make sure you have the proper coverage to tackle above and beyond claims.
Request an umbrella insurance quoteRestaurant insurance is a combo platter of coverage that protects your customers, employees, property and inventory.
Request a restaurant insurance quoteWhy choose Mainline Insurance Services
States we serve
- Arizona
- California
Our insurance coverages
Personal insurance coverage
- ATV
- Automobile
- Boat
- Builders Risk / Construction
- Collectible Auto
- Condo
- Earthquake
- Farm
- Flood
- Health
- Home
- Identity Fraud
- Landlord
- Mobile Home
- Motorcycle
- Other
- Personal Watercraft
- Pet
- RV / Motorhome
- Renters
- Short-Term / Sharing
- Snowmobile
- Special Event
- Travel Trailer
- Umbrella
- Vacant Land
- Valuable Items
Business insurance coverage
- Accident & Health
- Bonds
- Builders Risk
- Business Owners Package (BOP)
- Business Vehicle
- Contractors Equipment
- Cyber Liability
- Directors & Officers
- Employment Practices Liability
- Errors & Omissions
- General Liability
- Inland Marine
- Other
- Professional Liability
- Property
- Umbrella / Excess
- Workers' Compensation
Industries we serve
- Accommodation and Food Services
- Administrative and Support and Waste Management and Remediation Services
- Agriculture, Forestry, Fishing and Hunting
- Arts, Entertainment, and Recreation
- Construction
- Educational Services
- Finance and Insurance
- Health Care and Social Assistance
- Information
- Management of Companies and Enterprises
- Manufacturing - Food / Beverage / Textiles / Apparel / Leather
- Manufacturing - Metal / Machinery / Computer / Electrical / Transportation / Furniture
- Manufacturing - Wood / Paper / Paper / Mining / Plastics
- Mining, Quarrying, and Oil and Gas Extraction
- Other Services (except Public Administration)
- Professional, Scientific, and Technical Services
- Public Administration
- Real Estate and Rental and Leasing
- Retail - Sporting Goods / Hobby / Music / General / Misc.
- Retail - Vehicle / Home / Furniture / Building / Garden / Food / Health / Gas / Clothing
- Transportation - Air / Rail / Water / Truck / Transit / Ground / Pipeline / Scenic
- Transportation and Warehousing
- Utilities
- Wholesale Trade
Recommended insurance company partners
Other companies we work with:
Aegis General, CNA, CNA Surety, GeoVera, Harford Mutual, Thimble, Zurich North AmericaMainline Insurance Services Team
- CRIS
Mainline Insurance Services Reviews
Customer Reviews
Mainline is my absolute last stop for insurance. They consistently balance my concern with cost, and the appropriate level of coverage so that I don't find myself in a situation outside of my coverage. It's about letting me know what's possible, not just trying to tell me what you think I want to hear. I send everyone here, and have confidence and confirmation they have all been well taken care of.
Great experience working with Fernando! Very professional and helpful with my residents renters insurance. Highly recommend!
This insurance company has helped me and my clients, they are Plumbing Insurance Experts and specialize in helping plumbing business owners get the correct insurance, Ralph and Michael are the 2 gentlemen then I have worked with, I would not recommend another insurance company! This insurance company will take good care of you and anyone else you recommend
Ralph was great in getting us a good workers compensation quote. Huge shoutout to him! I recommend Mainline Insurance to anyone looking for any type of insurance.
Good insurance service a rating the best in the state!
I used Mainline Insurance for our company's general liability and workers comp. They were super clear in what my options were, what the costs would be, and they were available whenever I had questions. They even helped me understand how to navigate the world of coverage amounts when we moved physical locations that also had shared space with others who weren't part of our organization. All in all, it was exactly what I hoped for and will continue using them!
This insurance company has helped me and my clients, they are Plumbing Insurance Experts and specialize in helping plumbing business owners get the correct insurance, Ralph and Michael are the 2 gentlemen then I have worked with, I would not recommend another insurance company! This insurance company will take good care of you and anyone else you recommend
Ralph with Mainline Insurance is great at what he does. Ralph understands the need for high risk clients to find the right coverage for their business whether its roofers, construction companies or any other high risk trade that cant find coverage with the average insurance company. Mainline Insurance isn't your average carrier, they strive to go above and beyond their clients needs and find that perfect policy. They have been in business over 14 years and their success continues to grow due to their ability to deliver and execute their clients needs with efficiency and integrity. Thanks Ralph for all your assistance, I look forward to working with your team!
5 stars
Ralph was great in getting us a good workers compensation quote. Huge shoutout to him! I recommend mainline insurance to anyone looking for any type of insurance.
We prioritize honest feedback from our clients to assist future customers in making well-informed decisions. Our review section showcases authentic experiences from real customers. When a less-than-positive review is submitted, we share it with both the agent and the reviewer to foster collaboration and improvement based on constructive feedback. We also moderate reviews to remove inappropriate content or spam, upholding a high standard of trust and transparency.
