Building Permit Records in Baltimore, MD

With its dense concentration of historic rowhouses, Baltimore properties frequently undergo detailed renovations that can alter internal layouts or add significant features like roof decks. For both buyers and remodelers, reviewing permit history is essential to ensure these complex projects, from structural modifications to major system upgrades, met city codes and maintained historic integrity.

Unpermitted interior structural changes or rooftop deck additions are commonly revealed in historic rowhouse permit checks.

287K+
permit records in the official Baltimore-area datasets we search
Dwelling: Rowhouse
most common permit types on file
Looking up a specific Baltimore address? Get the full permit & property report free.
Check a home →

Common Baltimore permit types & fees

Typical Maryland fee ranges by work type. Actual fees depend on project valuation.

Permit typeTypical fee
Kitchen / bath remodel
Required once plumbing, gas, or electrical is moved.
$270–$640
Electrical
New circuits, panel upgrades, rewiring.
$60–$370
Plumbing
Repipes, water heaters, fixture relocations.
$60–$320
Room addition / structural
Framing, foundation, and square-footage changes.
$530–$2,330
Roofing
Tear-off and re-roof; some cities exempt minor repairs.
$160–$530
HVAC
New systems, ductwork, and condenser swaps.
$80–$340

What's on the record

Pulled permits
Every permit on file for the address — additions, electrical, plumbing, roofing — with dates and status.
Unpermitted-work signals
Gaps between the home's history and its permits flag work that may never have been inspected.
Ownership & sales
Owner of record and transfer history, so you know who pulled what and when.
Inspections
Whether permitted work in Baltimore actually passed final inspection.

FAQ

How do I look up building permits in Baltimore?

Enter the property address on Reno HomeIQ — we pull Baltimore, Maryland public permit records, inspections, ownership, and sale history into one report, so you don't have to search the Maryland portal by hand.

Can I tell if work on a Baltimore home was permitted?

Yes. The report lists the permits on file for the address, which is how you spot potential unpermitted additions, electrical, or plumbing work before you buy or remodel.

How much are permits in Baltimore?

Baltimore permit fees vary by scope — a remodel permit typically runs $270–$640, with electrical, plumbing, and structural permits priced separately. Local fees track Baltimore's 106% cost level.

Is the permit lookup free?

The address lookup is free. A lifetime Home Passport PDF with the full permit and property record is $99.

Permit records in other Maryland cities

Silver Spring, MDRockville, MDFrederick, MDGaithersburg, MDNew York, NYBrooklyn, NYBuffalo, NYRochester, NYLos Angeles, CASan Francisco, CASan Jose, CASan Diego, CAOakland, CASacramento, CA

Fee ranges are Maryland market estimates adjusted by Baltimore's local cost level; confirm exact fees with the local building department. Reno HomeIQ aggregates public permit and property records — enter an address for the specific report.