Washington County, MD - 2026 Building Permit Guide

Permit Authority

This is the county-administered building permit authority for unincorporated Washington County. Municipalities may still impose separate zoning, historic, stormwater, or local review layers even when the county handles the building permit itself.

Department

Washington County Division of Plan Review and Permitting, Permits and Inspections

Address

747 Northern Avenue, Hagerstown, MD 21742

Phone

240-313-2460

Website

https://www.washco-md.net/plan-review/permits-inspections/

Online Permit Portal

Application Process

1. Determine whether the project needs only a building permit or also separate grading, stormwater, floodplain, fire prevention, driveway, well, septic, or zoning approvals.
2. For homeowner work, start with the county homeowner building permit process guide and assemble the permit application, construction drawings, and any contractor information.
3. Submit through the county permit office or online permit system.
4. County staff route the plans for zoning, code, and fire review as applicable. The county fire process document says sprinkler permits filed with the building permit route through county review and are scheduled under the building permit when applicable.
5. Pay the assessed fees and obtain the issued permit.
6. Schedule inspections as construction progresses. The county fire process document says inspections may be scheduled online or by IVR at 240-313-2488, up to midnight for the next available business day, with no same-day inspections.

Typical processing time: The county fire process document gives average fire review turnaround of 24 to 48 hours for residential and about 1 week for nonresidential, varying by occupancy. General full building permit turnaround was not clearly published in the retrieved county pages.

Source: Washington County Division of Plan Review and Permitting, Permits and Inspections

General Requirements

County permit pages and the homeowner process guide indicate permits are required for normal building construction, alterations, additions, and related work in unincorporated areas, with separate review triggers for stormwater, grading, fire systems, and related site work. The stormwater program page says land disturbance over 5,000 square feet requires stormwater management approval and a grading permit.

Required Documents

• Permit application
• Construction drawings
• Sealed plans where required
• Supporting site information
• Trade and fire submittals where applicable
• Stormwater and grading documents for qualifying disturbed area
• Additional zoning or environmental approvals where applicable

Permit validity

The retrieved county right-of-way utility permit policy states utility permits expire one year after issuance unless extended. A general building permit expiration rule was not clearly published in the retrieved building permit pages.

Building code

The retrieved county fire process document expressly references 2018 NFPA 1 and 101 and referenced codes for fire review. Confirm the exact current county building code edition for building permits on the county code-adoption page.

Owner-builder

The homeowner guide indicates there is a dedicated county process for homeowner permits.

Contractor requirements

Maryland trade licensing and contractor registration rules apply. The county permit materials also distinguish contractor information and licensed trade work in the application process.

Fees

Minimum permit fee

Not clearly published in the retrieved county pages.

Plan check fee

Fire process document says sprinkler permits submitted with the building permit are charged the plan review fee; if submitted later, both plan review and initial inspection fees apply.

Permit fee formula

Varies by permit type; the retrieved pages confirm separate fees for fire plan review and inspections, but did not publish a full general building permit fee table.

Reinspection fee

Fire process document lists reinspection fees for work not ready upon arrival: first trip $50, second trip $75, third trip $100.

Payment note

Not clearly published in the retrieved county pages.

Fees change. Verify current amounts at the official fee schedule (effective Current published schedule).

Work That Does NOT Require a Permit

Contact the Washington County Division of Plan Review and Permitting, Permits and Inspections to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

• County permit system and IVR (online)
• IVR at 240-313-2488 (phone)

Scheduling deadline

Requests may be made up to midnight for the next available business day; no same-day inspections.

Typical inspection sequence: Varies by permit type; the fire process document notes inspections are scheduled under the building permit where applicable and are typically completed within 24 hours.

Additional Resources

• Building code: The retrieved county fire process document expressly references 2018 NFPA 1 and 101 and referenced codes for fire review. Confirm the exact current county building code edition for building permits on the county code-adoption page.
• Zoning information: View zoning info
• Owner-builder rules: View rules
• Permits and Inspections
• Permitting & Inspections FAQ
• Stormwater Management Program
• License lookup guide: Maryland Contractor License Requirements
• Contract template: Maryland Homeowner-Contractor Agreement
• Maryland hub: Maryland Contractor License & Permit Hub

Frequently Asked Questions

Washington County Building Permit FAQ

Do I need a building permit in unincorporated Washington County, MD?

County permit pages and the homeowner process guide indicate permits are required for normal building construction, alterations, additions, and related work in unincorporated areas, with separate review triggers for stormwater, grading, fire systems, and related site work. The stormwater program page says land disturbance over 5,000 square feet requires stormwater management approval and a grading permit.

How much does a building permit cost in unincorporated Washington County, MD?

The minimum permit fee is Not clearly published in the retrieved county pages.. Fees are calculated as: Varies by permit type; the retrieved pages confirm separate fees for fire plan review and inspections, but did not publish a full general building permit fee table.. Plan check fee: Fire process document says sprinkler permits submitted with the building permit are charged the plan review fee; if submitted later, both plan review and initial inspection fees apply..

How do I apply for a building permit in unincorporated Washington County, MD?

1. Determine whether the project needs only a building permit or also separate grading, stormwater, floodplain, fire prevention, driveway, well, septic, or zoning approvals. 2. For homeowner work, start with the county homeowner building permit process guide and assemble the permit application, construction drawings, and any contractor information. 3. Submit through the county permit office or online permit system. 4. County staff route the plans for zoning, code, and fire review as applicable. The county fire process document says sprinkler permits filed with the building permit route through county review and are scheduled under the building permit when applicable. 5. Pay the assessed fees and obtain the issued permit. 6. Schedule inspections as construction progresses. The county fire process document says inspections may be scheduled online or by IVR at 240-313-2488, up to midnight for the next available business day, with no same-day inspections.

How long does it take to get a building permit in unincorporated Washington County, MD?

Typical processing time is The county fire process document gives average fire review turnaround of 24 to 48 hours for residential and about 1 week for nonresidential, varying by occupancy. General full building permit turnaround was not clearly published in the retrieved county pages..

How do I schedule a building inspection in unincorporated Washington County, MD?

Inspections can be scheduled via: County permit system and IVR, IVR at 240-313-2488. Requests may be made up to midnight for the next available business day; no same-day inspections..