Introduction
Every plumbing contractor selling labor warranties through third-party providers unknowingly hands over underwriting profits on every single job. The warranty company collects premiums, controls the claims experience, and pockets the difference — leaving you exposed to liability without any upside. A growing number of plumbing contractors are reclaiming those profits by owning their warranty program outright — through reinsurance.
This guide helps plumbing business owners identify and evaluate the best plumbing warranty reinsurance providers — what to look for in a provider, how the structure works, and which programs give you full control over underwriting profits and the claims process.
TL;DR
- Contractors own their warranty program outright — backed by A-rated insurers — instead of routing profits to a third party
- Capturing 100% of underwriting profits can turn warranty costs into a recurring revenue stream
- Top providers handle full administration: claims adjudication, compliance filings, tax returns, and staff training
- Selection depends on program structure, financial backing, compliance support, and onboarding quality
- WarrantyRE has administered programs for 400+ contractors nationwide since 1994, with no hidden fees
What Is Plumbing Warranty Reinsurance?
Plumbing warranty reinsurance lets contractors establish their own reinsurance company that assumes warranty risk and collects premiums — rather than paying a third-party warranty provider to back the warranties you sell.
The program runs under an A-rated insurance carrier, giving you real financial protection without the capital requirements of going fully self-insured.
The Admin-Obligor Model
In an admin-obligor structure, your reinsurance entity acts as the obligor — the party legally responsible for claims. This means you:
- Handle claims from first call to final resolution, on your terms
- Set reserve levels based on your actual claims history, not industry averages
- Earn investment income on accumulated premiums held in trust
- Keep underwriting profits that third-party providers would otherwise pocket
Rather than earning a 10-15% commission on warranty sales, you keep the full premium minus actual claims and administrative costs. For high-volume plumbing contractors, that gap in retained profit compounds significantly year over year.
Market Opportunity
The global extended warranty market reached approximately $187.02 billion in 2024, according to Transparency Market Research. In the U.S., the Home Warranty Providers industry grew at a 3.8% CAGR between 2019 and 2024 (IBISWorld). That growth represents a large and expanding pool of premiums — most of which flow directly to third-party providers. Reinsurance structures put plumbing contractors in position to capture a share of that revenue instead.
Best Plumbing Warranty Reinsurance Providers
These providers were selected based on their ability to structure compliant, profitable reinsurance programs for plumbing and home service contractors. Evaluation criteria included:
- Program design and structural soundness
- Carrier backing quality (AM Best ratings)
- Administrative support and compliance management
- Long-term scalability for independent contractors
WarrantyRE
Founded in 1994 in Southeast Virginia by Tim Byrd, WarrantyRE has spent over 30 years helping contractors establish and manage administrator-obligor reinsurance companies. The company began serving auto dealers (currently 400+ dealerships) and expanded into home services including plumbing, HVAC, roofing, and electrical.
What sets WarrantyRE apart: Full-service administration under one roof — claims adjudication, compliance management, legal filings, tax returns, bookkeeping, staff training, and onboarding. The company operates on a "We Only Succeed If You Do" philosophy with no hidden fees. Programs are backed by A-rated insurers, and contractors can invest premium reserves for additional ROI once reserves exceed 125% of unearned premiums.
| Program Type | Administrator-Obligor Reinsurance (contractor owns their warranty company, backed by A-rated insurers) |
|---|---|
| Administration Services | Full-service: claims adjudication, compliance, filings, tax returns, bookkeeping, staff training, and onboarding |
| Best For | Plumbing and home service contractors seeking to replace third-party warranty providers and capture 100% of underwriting profits |
The Warranty Group (Assurant)
The Warranty Group was acquired by Assurant, Inc. in June 2018 for $2.5 billion and is now integrated into Assurant's Global Lifestyle and Global Housing segments. Assurant holds an AM Best A+ (Superior) rating (affirmed September 2025) and serves large national accounts, OEMs, retailers, and mobile carriers.
Program focus: Assurant's warranty programs target large-scale distribution partners in mobile devices, vehicle service contracts, and consumer home warranties. While the company has extensive global carrier relationships and program customization capabilities, the company doesn't offer a publicly documented reinsurance participation program designed for independent plumbing contractors.
| Program Type | Primarily large national account partnerships; no documented admin-obligor structure for independent contractors |
|---|---|
| Administration Services | Full administration for enterprise-level partnerships; individual contractor programs not publicly documented |
| Best For | Large national warranty administrators and OEMs rather than small-to-mid-size independent plumbing contractors |
Residential Warranty Corporation (RWC)
RWC is exclusively focused on new construction builder warranties, providing third-party "1-2-10" insured structural warranties for builders covering rafters, floor joists, foundations, and other load-bearing elements — along with HUD Code warranties for manufactured housing.
Program structure: RWC offers an Incentive Program for builders to reduce overall warranty costs and earn cash back by maintaining quality standards. This is a builder-side cost reduction program, not a contractor-owned reinsurance or admin-obligor structure.
| Program Type | Builder structural warranties (1-2-10 model); no contractor reinsurance participation identified |
|---|---|
| Administration Services | Third-party warranty administration for new home builders; not applicable to service contractors |
| Best For | New construction builders requiring structural warranties; not designed for independent plumbing contractors |
CNA / WESCO Insurance
CNA Financial Corporation and WESCO Insurance Company are separate, unrelated entities — worth noting since they're sometimes grouped together. CNA is a major P&C insurer with warranty operations through CNA National Warranty Corporation. WESCO Insurance (NAIC #25011) is part of AmTrust Financial Services Group.
CNA Financial (upgraded to AM Best A+ Superior in December 2025) issues contractual liability insurance policies (CLIPs) backing service contract programs and maintains obligor companies licensed in all states. Industries served include auto dealers, retailers, manufacturers, and home warranty companies — primarily large administrators rather than independent contractors.
WESCO Insurance / AmTrust offers participation structures including reinsurance, captive insurance, and Dealer Owned Warranty Company (DOWC) programs. AmTrust Warranty & Specialty Risk serves third-party administrators, retailers, and manufacturers — with home warranty products spanning whole home, appliance, and utility line coverage.
| Program Type | CLIP-backed programs (CNA); AmTrust offers DOWC/captive structures but not plumbing-specific |
|---|---|
| Administration Services | Primarily carrier backing for large administrators; direct contractor programs not publicly documented |
| Best For | Large warranty administrators and retailers; independent plumbing contractors not primary target segment |
National Home Protection
Based on Better Business Bureau records, National Home Protection (33 Wood Avenue South, Iselin, NJ) was a consumer-facing home warranty company. BBB indicates the business is believed to be out of business with no current rating. The company shows no contractor-side reinsurance programs, admin-obligor structures, or active administrative services for plumbing contractors.
| Program Type | Consumer home warranty (believed out of business) |
|---|---|
| Administration Services | Not applicable |
| Best For | Not applicable |
Of the providers listed, only WarrantyRE is purpose-built for independent plumbing contractors seeking to own their reinsurance program. The remaining providers serve enterprise accounts, construction builders, or consumer-facing warranty markets — none of which are structured for contractor-owned admin-obligor programs.
How We Chose the Best Plumbing Warranty Reinsurance Providers
The best reinsurance providers for plumbing contractors were selected based on their ability to deliver compliant, scalable programs that allow contractors to own or participate in warranty underwriting — not just resell a third-party product.
Many contractors confuse "selling a warranty program" with "owning" one. Only ownership captures underwriting profits and builds long-term business equity.
Key Selection Factors
| Factor | What to Look For | Why It Matters |
|---|---|---|
| Program Structure | Contractor owns the reinsurance entity (admin-obligor model) vs. a profit-participation agreement only | Ownership delivers greater control, tax advantages, and wealth-building potential that participation agreements don't offer |
| Carrier Backing | A-rated insurer support behind the program | Without it, contractors face unlimited personal liability when catastrophic claims arise |
| Administrative Completeness | Full-service handling of claims adjudication, compliance, legal filings, and tax returns | Gaps in administration create operational burden and compliance exposure the contractor must absorb |
| Transparency and Fee Structure | No hidden fees, per-claim markups, or undisclosed administrative charges | Every dollar in hidden costs erodes the underwriting profit advantage the contractor set up the program to capture |
Conclusion
For plumbing contractors, the right warranty reinsurance provider is a profit decision as much as a risk management one. Your program structure determines whether you capture the underwriting profits your customers are funding — or whether those profits keep going to a third-party provider instead.
Evaluate providers not on name recognition alone, but on program ownership structure, administrative completeness, carrier ratings, and alignment of incentives. When those factors align, your reinsurance program stops being a cost center and starts generating returns.
WarrantyRE has been helping plumbing and home service contractors build profitable, compliant reinsurance programs since 1994. If you're ready to stop funding a third-party warranty company and start owning your own, reach out to the WarrantyRE team to explore what a custom reinsurance program could look like for your business.
Frequently Asked Questions
Who are the largest reinsurance companies in the US?
The largest U.S. reinsurers by net premiums written include Reinsurance Group of America (RGA) at $12.51 billion, Swiss Re America ($8.29 billion), Everest Re ($7.74 billion), and National Indemnity/Berkshire Hathaway ($6.0 billion, AM Best A++). For contractor-focused warranty reinsurance programs, what matters more than size is whether the reinsurer supports admin-obligor structures for small-to-mid-size service businesses.
What is plumbing warranty reinsurance and how is it different from a home warranty?
A home warranty is sold to a homeowner by a third-party company that collects premiums and controls claims. Plumbing warranty reinsurance allows the plumbing contractor to become the warranty obligor backed by an insurer — capturing premiums, controlling claims, and earning underwriting profits instead of paying them out.
How much does it cost to set up a reinsurance program as a plumbing contractor?
Program costs depend on structure, warranty volume, and the provider you work with. In most cases, the profits recaptured from third-party warranty fees offset setup costs within the first program year. Contact WarrantyRE directly for a program analysis tailored to your business.
Can small or mid-size plumbing contractors qualify for reinsurance programs?
Yes. Many reinsurance program providers — including WarrantyRE — work with small and mid-size home service contractors. Program eligibility is typically based on warranty sales volume and claims history rather than company size alone.
What happens to the premiums collected in a contractor-owned reinsurance program?
In an admin-obligor structure, the contractor's company holds premium reserves in a trust account, which can be invested for additional ROI. All investment income belongs to the contractor — not a third-party warranty company.
What is the difference between an admin-obligor reinsurance program and a traditional third-party warranty?
In a traditional third-party warranty, the contractor sells someone else's product and earns a commission. In an admin-obligor program, the contractor's own reinsurance entity is legally obligated to honor claims and retains all underwriting profits — keeping full control of claims decisions and financial results in-house.
