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MD Compliance Guide Verified for 2026/2027 Building Envelope & Roofing

Maryland Below-Grade Waterproofing & Dampproofing Contractor

Comprehensive regulatory guidelines, surety bond pricing, and required liability coverage established by the Maryland Home Improvement Commission (MHIC) / DLLR. Verify statutory rules, satisfy commercial property owners, and access digital ACORD certificates in under 5 minutes.

Audited by Pasi Tapio Hakamaki • Editorial Review: September 2026 • Statutory Authority: Maryland Home Improvement Commission (MHIC) / DLLR
Min General Liability
$1,000,000
Occurrence / $2,000,000 General Aggregate
Required State Bond
$30,000 MHIC Guaranty Fund or Surety Bond
From $540/yr with preferred credit
Board Application Fee
$250
Exam Provider: PSI Services
License Renewal
Every 2 Years
CE: Varies by municipality or trade board
✓
Primary Source Verified: 2026 Statutory Code Review
Requirements cross-referenced against the official Maryland Home Improvement Commission (MHIC) / DLLR administrative code.
Official MD Board Portal → | Our Audit Methodology
Interactive Compliance Tool Live 2026 Underwriting Matrix

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Target Jurisdiction
Maryland (MD)
Trade Classification
Below-Grade Waterproofing & Dampproofing Contractor
Estimated Annual Gross Revenue $350,000
$50k $1.5M $3M+
Estimated Statutory Costs Instant Certificate Available
General Liability (GL)
$1,000,000 Each Occurrence / $2,000,000 General Aggregate
$241/mo
~$2,888 / year
Contractor License Bond
Maryland $30,000 Bond
$300/yr
1.0% (Tier 1 Preferred) on $30,000 bond
Workers' Comp Alert: In Maryland: Mandatory for all employers with 1+ full-time or part-time employees (Md. Code, Lab. & Empl. § 9-201 & § 9-401).
Review Governing Statutory Citations Explore 50-State Licensing Directory →

*Estimates based on standard market rates for commercial artisan contractors. Exact quotes require underwriting review of prior loss history, specific endorsements, and payroll declarations.

Below-Grade Waterproofing & Dampproofing Contractor Scope of Work & Legal Permitting Authority

Waterproofing contractors install subterranean membranes, drainage composites, and elastomeric deck coatings preventing structural water intrusion.

Defined Authorized Scope of Construction:

Blindside waterproofing against shoring walls, parking garage traffic deck coatings, elevator pit waterproofing, and French drains.

Permit Trigger in Maryland: Subterranean foundation perimeter excavations
Minor Work Exemption Threshold: No dollar exemption; MHIC license required for all home improvement work (Md. Code Bus. Reg. § 8-101)

Mandatory Experience Prerequisites

4 years bentonite sheet application, liquid polyurethane elastomer spray, and French drain hydrostatic mitigation experience

Required Insurance Policy Endorsements

Water Infiltration & Mold Extension, Completed Operations, Underground Resources Rider

Governing Technical Code & Safety Standard
Maryland Code Business Occupations & Professions Title 9A & Title 17
OSHA 1926 Subpart M Fall Protection & ASTM / TAS 100 Wind Uplift Standards
Testing & Compliance Benchmarks: NRCA low-slope and steep-slope specifications, UL 790 Class A fire ratings, and FM Global wind uplift ratings. Prioritizes steep-slope perimeter tie-offs, heat-welded TPO/PVC seam integrity, and wind-mitigation flashing details.
Procedural Roadmap

How to Obtain a Below-Grade Waterproofing & Dampproofing Contractor License in Maryland

Official 4-step compliance path pursuant to Maryland Code Business Occupations & Professions Title 9A & Title 17.

Official Board Rules →
1

Legal Entity & EIN Formation

Maryland Business Entity Filing Statutes

Form your business entity (LLC, Corporation, or Sole Proprietorship) with the Maryland Secretary of State and secure your Federal Employer Identification Number (FEIN). Ensure your registered business name precisely matches all state and municipal filings.

2

Designate Qualifying Individual (QI)

Maryland Home Improvement Commission (MHIC) / DLLR Experience Verification Rules

Appoint a Qualifying Party, Primary Qualifying Agent, or Responsible Managing Employee (RME). The QI must verify 4 years bentonite sheet application, liquid polyurethane elastomer spray, and French drain hydrostatic mitigation experience and satisfy experience criteria governed under Maryland Code Business Occupations & Professions Title 9A & Title 17.

3

Execute Statutory Bond & Insurance

Maryland Code Business Occupations & Professions Title 9A & Title 17 Financial Responsibility Mandates

Secure the mandatory $30,000 MHIC contractor license bond executed by an admitted surety. File an official Certificate of Insurance (COI) maintaining at least $1,000,000 Each Occurrence / $2,000,000 General Aggregate Commercial General Liability, naming Maryland Home Improvement Commission (MHIC) / DLLR as certificate holder.

4

Examination & Board License Issuance

PSI Services Candidate Information Bulletin (CIB)

Complete the Maryland Business & Law examination along with the specific Waterproofing Contractor technical trade examination administered by PSI Services. Submit application fees ($250) to receive official licensure and permit pull authorization.

Regulatory Authority: Maryland Home Improvement Commission (MHIC) / DLLR (MD)
Official State Government Portal

Ready to file with the Maryland Home Improvement Commission (MHIC) / DLLR?

Make sure your statutory $30,000 MHIC Guaranty Fund or Surety Bond (and for LLC entities, your General Liability Certificate listing the state licensing board as certificate holder) are electronically active prior to submitting application fees.

Visit Official MD Board Portal Calculate Statutory Minimums →
Verified Statutory Guidance

Maryland Waterproofing Contractor Compliance & Insurance FAQs

Direct answers on state licensing prerequisites, insurance thresholds, and surety bond regulations.

Is a state contractor license legally mandated for Waterproofing Contractors in Maryland?

Yes, executing commercial or residential waterproofing contractor projects in Maryland legally requires an active state contractor license issued by the Maryland Home Improvement Commission (MHIC) / DLLR under Maryland Code Business Occupations & Professions Title 9A & Title 17. Performing contracting services without official board credentials triggers immediate stop-work orders, statutory fines, and civil citations.

What technical codes govern waterproofing contractor operations in Maryland?

Below-Grade Waterproofing & Dampproofing Contractor installations in Maryland must strictly adhere to the OSHA 1926 Subpart M Fall Protection & ASTM / TAS 100 Wind Uplift Standards. In addition, all completed work and materials must satisfy NRCA low-slope and steep-slope specifications, UL 790 Class A fire ratings, and FM Global wind uplift ratings to pass municipal building inspection.

What are the commercial general liability insurance minimums for Waterproofing Contractors in Maryland?

Waterproofing Contractors in Maryland typically must maintain a minimum of $1,000,000 Each Occurrence / $2,000,000 General Aggregate in commercial general liability insurance. Under Maryland statutory rules and General Contractor (GC) bid standards, policies must cover bodily injury, property damage, and completed operations to secure jobsite clearance.

How much does the required Maryland Waterproofing Contractor surety bond cost?

A Maryland waterproofing contractor license bond costs between $540 and $810 per year for contractors with standard credit, satisfying the statutory $30,000 MHIC bond requirement. High-risk credit profiles range from $972 to $1350 annually. Premium rates are calculated as a percentage of the total bond penal sum.

Is workers' compensation insurance required for Waterproofing Contractors in Maryland?

Yes, proof of active workers' compensation insurance is required for construction employers in Maryland. Under Md. Code, Lab. & Empl. § 9-201 & § 9-401, coverage is mandatory for all employers with 1+ full-time or part-time employees. General Contractors and municipal building inspectors mandate a Certificate of Insurance (COI) prior to jobsite access. Sole proprietors with 0 employees: Sole proprietors with 0 employees exempt under LE § 9-206; project owners require certificate of non-coverage or waiver.

Does Maryland offer contractor license reciprocity for Waterproofing Contractors?

Yes, Maryland maintains formal reciprocal licensing agreements with VA, DE, WV for qualified waterproofing contractor applicants. Out-of-state contractors in good standing under equivalent statutory frameworks can apply to waive trade exams, though state law and business rules testing may still apply.

Primary Sources

Official Statutory Citations & Legal Authorities

Jurisdiction: Maryland (MD)
Primary Licensing Authority
Maryland Home Improvement Commission (MHIC) / DLLR
Official State Portal Link →
Enabling State Statute / Administrative Code
Maryland Code Business Occupations & Professions Title 9A & Title 17
Statutory authority for trade licensing & discipline
Mandatory License Bond Statute
$30,000 MHIC Guaranty Fund or Surety Bond (if net worth < $30,000)
Continuous penal surety bond filing
Governing Technical Code & Testing Standards
OSHA 1926 Subpart M Fall Protection & ASTM / TAS 100 Wind Uplift Standards
Testing Provider: PSI Services • NRCA low-slope and steep-slope specifications, UL 790 Class A fire ratings, and FM Global wind uplift ratings
PTH
Statutory Research Standards & Verification Desk

Audited by Pasi Tapio Hakamaki • Managing Editor

This compliance benchmark for Maryland Below-Grade Waterproofing & Dampproofing Contractors is audited against primary state legislative statutes (Maryland Code Business Occupations & Professions Title 9A & Title 17) and administrative rules published by the Maryland Home Improvement Commission (MHIC) / DLLR. TradeCertify maintains strict editorial independence. If you represent a regulatory body or note an erratum in statutory bond limits, please contact our research desk.

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Official Statutory Minimums
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