Parking Garage Square Footage Per Car

A large airport parking garage.
••• parkhaus image by leiana from

When land is scarce or land values are high, developers often look to above- or below-ground parking garages to meet a project’s parking demand. Specialized parking planners prepare alternative layouts for a given parcel of land, seeking parking space supply alternatives that maximize the significant monetary investment in the parking structure.


In selecting the best parking structure alternative, an important measure of comparison is the “efficiency” of a layout, usually expressed as the gross square feet of parking structure area, divided by the number of parking stalls.


Parking lot layouts, which provide for efficiencies of between 300 to 350 square feet per parking stall are typical. It is not uncommon, however, to find less efficient parking structures requiring 400 square feet per parking stall or higher. Automated parking facilities can achieve better parking efficiencies, with reports of 200 to 250 square feet per parking stall.

Design Factors

Factors affecting the efficiency of a parking structure include the size and geometric configuration of the parking structure’s site; the layout of the garage aisle and circulation system, including entrance and exit locations; and constraints of the structural system, such as the column layout. Typically, larger parking structures can achieve greater efficiency than smaller structures.

Related Articles

ADA Requirements for Classroom Seating
How to Calculate Wind Load on a Structure
How to Inspect a Home Before Buying
ADA Requirements for Classroom Seating
How to Calculate Amount Per Square Foot
How to Calculate Wind Loads From Wind Speeds
How to Calculate Duct Airflow
How to Calculate Allowable Stress in Steel
How to Calculate Gross Floor Area
How to Determine Square Feet Area
How to Calculate the Total Area of a Trench
How to Calculate Three Phase Amps From Megawatts
How to Calculate Rebar Lengths
How Do I Calculate Lumens Lighting for a Shop?
How to Calculate Acreage From a Survey
Five Areas of Application for Linear Programming Techniques
How to Calculate Loading Rates
How to Calculate Asphalt Prices
How Is Wind Energy Produced?
How to Size Pressure Relief Valves