Maryland Contractor Insurance Requirements: Minimum Coverage Guide (2026)

General Liability Insurance Requirements in Maryland

General Liability insurance requirements in Maryland are established by the Maryland Home Improvement Commission. While insurance isn't mandated by a single overarching state statute for all businesses, Maryland Home Improvement Commission requires active policies for all licensed contractors, including a mandatory minimum of $300,000 in general liability coverage. The Maryland Home Improvement Commission requires licensed home improvement contractors to carry GL coverage as a condition of licensure, and the practical standard across Maryland's commercial and residential market is $1M per occurrence. The Washington D.C. metro area and Baltimore commercial markets require this level of coverage as a baseline contract requirement, and government contractors working on federal or state projects in Maryland often face higher limits requirements in their contracts.

Maryland's proximity to the federal government creates a significant market for government and institutional contracting, where insurance requirements frequently exceed standard commercial thresholds. If you are bidding on government work in Maryland, review the specific contract insurance requirements rather than assuming your standard policy is sufficient.

For context on how Maryland compares to neighboring states, see our guides on the minimum insurance requirements in Washington, DC and Pennsylvania.

Workers' Compensation Requirements in Maryland

According to the Maryland Workers' Compensation Commission (https://www.wcc.state.md.us/), all employers with one or more employees are required to carry workers' compensation coverage in Maryland. The state's coverage requirements are broad, and Maryland has specific rules around corporate officer elections that affect how small contracting corporations structure their WC policies.

What triggers coverage:

One employee triggers mandatory WC in Maryland. Part-time workers count. Maryland's definition of employee is broad, and the state actively reviews worker classification on audits.

Sole proprietors and independent contractors:

Sole proprietors are excluded from mandatory WC in Maryland. Corporate officers are covered by default under Maryland law but may elect to exclude themselves from coverage. The exclusion election must be properly documented with the insurer, and it affects both the policy terms and the premium calculation.

Penalties for non-compliance:

Maryland enforces WC requirements through the Workers' Compensation Commission. Employers operating without required coverage face stop-work orders, civil penalties, and personal liability for employee injuries. Maryland also has a Subsequent Injury Fund that affects claims involving workers with pre-existing conditions.

Maryland-Specific Rules That Catch Contractors Off Guard

Maryland's Subsequent Injury Fund is a state-administered fund that covers the excess costs of claims where a subsequent workplace injury combines with a prior disability to create greater total disability. This does not change your obligation to carry WC, but it does affect how claims involving workers with documented prior injuries are handled and resolved. Maryland employers contribute to the fund through their WC policy, and understanding how the fund works helps you manage claims expectations when prior injuries are involved.

Maryland's corporate officer WC exclusion election is a detail that small contracting corporations frequently handle incorrectly. Officers are covered by default, and a decision to exclude them must be actively made and properly documented. Contractors who verbally instruct their insurer to exclude officers without completing the required documentation end up with officers treated as covered employees on audits, resulting in retroactive premium adjustments.

Maryland's home improvement contractor licensing system has specific requirements for contractors performing residential work valued over $100. This is an extremely low threshold, and virtually all residential contractors are subject to the licensing and insurance requirements of the Home Improvement Commission. Out-of-state contractors performing residential work in Maryland sometimes overlook this requirement, assuming it applies only to larger projects.

The Washington D.C. metro construction market spans Maryland, Virginia, and the District itself, and contractors working across this area need to track which jurisdiction's licensing and insurance requirements apply to each job. Maryland, Virginia, and D.C. all have different requirements, and assuming one state's credentials work in all three is a common mistake.

How These Requirements Affect Your Trade in Maryland

General Contractors and Construction Companies

Maryland GCs working in the D.C. metro and Baltimore markets face insurance requirements from project owners and government clients that often exceed state minimums significantly. Certificate management for subcontractors needs to be thorough, and GCs should verify that sub WC policies cover Maryland operations specifically for any crews coming from out of state. The Home Improvement Commission licensing requirement applies to residential GCs performing work above the $100 threshold, which is essentially all residential work.

Roofers

Maryland roofing contractors operate in a Mid-Atlantic climate with significant storm activity and seasonal weather exposure. The D.C. and Baltimore suburbs have high residential property values that create substantial per-occurrence exposure on residential roofing jobs. Completed operations coverage is essential, and contractors working on high-value properties should verify their per-occurrence limits reflect the replacement values involved.

Electricians

Maryland electricians are licensed at both the state and local level, with some Maryland counties having their own electrical licensing programs. The state's significant federal government and institutional construction market creates commercial electrical work opportunities with high insurance requirements. Solar installation is growing rapidly in Maryland, and contractors doing solar electrical work should verify their policy covers this work type explicitly.

HVAC Contractors

Maryland's climate creates year-round HVAC demand, and the state's mix of high-value urban and suburban properties creates significant completed operations exposure. Commercial HVAC failures in Baltimore's office and residential market can generate substantial property damage claims, and contractors servicing high-value properties should carry limits that reflect that exposure.

Independent Contractors

Maryland's broad employee definition and active WC enforcement make it important for independent contractors to document their independent status carefully. Carrying your own GL and WC policies is the most practical way to establish independent contractor status in Maryland and avoid being swept into a GC's audit as an employee.

Surety Bonds in Maryland

Maryland requires surety bonds for home improvement contractor licensing through the Maryland Home Improvement Commission, with bond amounts set by the Commission. The bond protects consumers in the event of contractor default or failure to complete contracted work. Commercial contractor licensing may have additional bonding requirements depending on the scope and type of work.

For everything you need to know about contractor surety bonds, check out our complete surety bonds guide.