34 Mellor Ave, Catonsville — tax account 04010103330002

Commercial built in 1998, 6,600 ft² on 0.46 acres in Catonsville, Baltimore County, assessed at $1,004,800; last transfer January 5, 2026 for $2,678,213.

From the State Department of Assessments and Taxation file as published by the Maryland Department of Planning (MD iMAP) — not the official record. Open the official SDAT record.

Account

Tax account number	04010103330002
Map, grid, parcel	Map 101 Grid 8 Parcel 1072
Location	34 Mellor Ave, Catonsville MD 21228
Jurisdiction	Baltimore County

Land

Land use	Commercial (C)
Zoning	BLCCC
Acreage	0.458 acres (19,950 ft²)

Structure

Year built	1998
Above-grade area	6,600 ft²
Style	OFFICE Office Building
Building type	OFFICE Office Building
Quality grade	3 (on a scale of 1 to 9)
Stories	1

Assessment — August 2023

Land	$349,600
Improvements	$655,200
Total	$1,004,800

Last transfer

Date	January 5, 2026
Consideration	$2,678,213
Deed reference	liber 42824, folio 0395

What this means

Maryland reassesses each property every three years; increases are phased in over the following three years, and the Homestead Tax Credit caps the yearly increase on a principal residence.
Assessed 139% above the median commercial account in Baltimore County ($421,100, 7,831 accounts).
The last transfer price is 167% above the current assessment.

Parcel point of the Maryland Department of Planning — not a survey.

Data: Maryland Department of Planning / SDAT, MD iMAP Parcel Points, retrieved November 1, 2026. Sources and freshness. No owner names or mailing addresses are published.

First page of a sample Maryland Property Report

The report for account 04010103330002

This page shows the assessment record. The report adds what lies around the property: FEMA flood zone, Critical Area designation, wetlands, contaminated land sites nearby and historic properties.

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