Parking lot and garage washing, stall to stairwell.

Keeping parking open while we work.

A lot or garage rarely closes completely, so we work in sections. Each section is closed with cones and signs, washed and reopened before the next one closes. Garages are typically washed level by level overnight, and surface lots early in the morning or on a weekend, when most stalls are empty.

Before the visit, we plan the order with your property manager: which entrances stay open and where any overnight cars will sit. Nearby storm drains are covered before washing starts, and decks are washed toward their own drains.

How parking lot and garage washing is priced

Open surface lots and garage decks are the least expensive surfaces to wash per foot, at about $0.11 to $0.17 a square foot at 2026 published rates, with Reno and Central Valley lots at the lower figure and Peninsula garages at the higher one. Stairwells, elevator lobbies and tight ramps with heavy tire marks are slower and price at $0.17 to $0.47 or more. See what commercial pressure washing costs for worked examples across the region.

Big open decks earn the lower rates because the crew spends most of the night moving forward instead of setting up. Picture a three-level downtown garage with 90,000 square feet of deck. At $0.15 a square foot, each full wash comes to $13,500. On a quarterly schedule that is $54,000 a year, and adding the stairwells and elevator lobbies to every visit moves the per-visit total up.

What raises the number: oil spots at the head of every stall that need extra passes, black tire marks on ramps, litter and cart-corral residue, and the number of levels the crew has to stage on. Closing sections so cars and pedestrians keep a clear path adds time, and so does washing each level toward its drains with storm drains covered. Overnight timing and frequency matter too, since a lot kept on a steady schedule never builds up the grime a neglected one does. A walkthrough of the lot and a written quote give you the real figure.