Sector

Office Parking Study: What the Empty Half of the Garage Is Worth

One mis-programmed tenant validation device carried $501,207.50 in unrealized revenue. JDE found it in an audit for a West Coast office REIT, alongside $89,476.40 owed under a 1 percent uncollected-ticket clause no one had enforced, and $155,040 a year of monthly-parking recapture at a single 281-stall garage. Those are JDE findings, from JDE project records, across a four-asset program of about 2,676 stalls. Office garages leak quietly, and hybrid work made the leak easier to miss: when half the stalls sit empty on a Tuesday, nobody goes looking for the money.

$501,207.50
Unrealized revenue on one validation device
2,676
Stalls in a four-asset audit program
150+
Comprehensive audits
5 to 10x
Average audit ROI
01

The situation

Hybrid and return-to-office patterns collapsed monthly and contract parking demand, and the building owner's problem is distinct from the employer's. Leases were written to historic ratios, commonly two to four spaces per 1,000 square feet in suburban markets and lower downtown, and those ratios now oversupply the asset (conventions vary by market; verify locally). The surplus is not condemned to sit idle. Transient posting, evening and event agreements, public monthly programs, and EV charging can put empty stalls back to work, and EV make-ready requirements ratchet up each code cycle under standards like California's CALGreen. At some assets the honest question is whether a deck is worth more converted than parked.

The numbers
$501,207.50
Unrealized revenue carried by one mis-programmed tenant validation device.
SourceJDE project records
$89,476.40
Owed under a 1 percent uncollected-ticket clause no one had enforced.
SourceJDE project records
$155,040
A year of monthly-parking recapture at a single 281-stall garage.
SourceJDE project records
150+
Comprehensive audits delivered firm-wide, at a 5 to 10x average audit ROI.
SourceJDE project records
02

What is at stake

Empty parking is lost income twice: the stall earns nothing, and the operating cost continues either way. The owner's questions are specific. Are monthly contracts reconciled against who actually parks, or has attrition been left unbilled? Are validation devices and contract clauses doing what the documents say? What would the surplus earn as transient, evening, or event product? And what is the defensible parking position at the next lease negotiation, when the tenant's broker arrives with a hybrid-era demand number?

03

How JDE works commercial office and CRE

  • Revenue-control audits. Validations, exceptions, uncollected-ticket clauses, and cash points reconciled to the penny. Firm-wide: 150+ comprehensive audits and a 5 to 10x average audit ROI.
  • Monthly recapture. Access credentials reconciled against contracts and the rent roll, with the gap priced and billed.
  • Parking monetization. Transient, evening, event, and EV products for the surplus, priced from counts rather than convention.
  • Right-sizing. Post-hybrid occupancy measured by day of week, with the lease ratio and any conversion case built on field data.
  • Owner's representation. PARCS re-equipment specified, bid, and delivered on the owner's terms.
04

JDE results in commercial office

JDE results in commercial office, a West Coast office REIT

A four-asset audit program across about 2,676 stalls

Observation
Findings included $501,207.50 in unrealized revenue from one mis-programmed tenant validation device, $89,476.40 owed under an unenforced 1 percent uncollected-ticket clause, and $155,040 a year of monthly recapture at one 281-stall garage.
See the results record

Frequently asked questions

What does an office parking study cover?

Occupancy by day of week against leased and physical inventory, monthly contract reconciliation, rate and product review, validation economics, and the lease-ratio position for the next negotiation. The deliverable states what the garage earns now, what it should earn, and the dollar effect of each move.

How can an owner monetize surplus office parking?

Four products, in rising order of commitment: transient posting on public channels and signage, evening and weekend event agreements, monthly programs opened beyond the tenant base, and EV charging where electrical capacity or make-ready work supports it. Counts come first, because every product is priced from measured vacancy by hour.

What is a realistic office parking lease ratio after hybrid work?

The conventions, roughly two to four spaces per 1,000 square feet in suburban markets, predate hybrid schedules. The defensible number now is building-specific: measured peak-day occupancy plus a margin, documented well enough to hold up against a broker's generic figure. Measure before the negotiation, not after.

Ask what the garage should earn

Send the operator statement, the rent roll's parking exhibit, and a month of access data. JDE will tell you what the garage earns, what it should earn, and where the difference went. Contact JDE.

Sources

  • 2025 CALGreen (California Green Building Standards Code, Title 24 Part 11), effective January 1, 2026, superseding the 2022 edition: EV make-ready requirements for parking, updated each code cycle. https://www.dgs.ca.gov/bsc/calgreen
  • Office lease-ratio conventions (roughly two to four spaces per 1,000 square feet, suburban; lower downtown) are market practice, vary by market, and should be verified locally.
  • JDE results on this page (the West Coast office REIT, the value-add office investor, the California developer, the commercial property management firm) are JDE work, documented in JDE project records, and are not blended with the references above.