Millennium Garages

What Millennium Garages does

Millennium Garages operates four underground parking facilities in downtown Chicago — Grant Park North Garage (1,850 spaces, 25 N Michigan Ave), Grant Park South Garage (1,350 spaces, 325 S Michigan Ave), Millennium Park Garage (2,126 spaces, 6 S Columbus Dr), and Millennium Lakeside Garage (3,850 spaces, 5 S Columbus Dr) — for a combined portfolio of approximately 9,176 spaces totaling roughly 2.85 million square feet directly beneath and adjacent to Millennium Park and Grant Park. The company is structured as a brand and operating unit of SP Plus Corporation (parent company) and runs its online booking and access-control technology on the Metropolis Technologies (Metropolis.io) platform, including Automated License Plate Recognition (ALPR) systems for parking enforcement, vehicle inventory, and rate validation.

The product surface spans hourly and daily drive-up parking (rates $36-$62 by duration and garage), early-bird weekday rates ($16-$17), extended-stay multi-day packages at up to 50% off standard daily rates with unlimited in/out access, monthly parking and long-term vehicle storage subscriptions sold through millenniumgaragespartner.com, and a contract-free Flex Daily Card subscription. Event-driven products include Chicago Bears 2025/26 NFL season passes ($200-$300 per 9-game package), Lollapalooza weekend packages, official parking for the Chicago Department of Cultural Affairs and Special Events (Blues Festival, Taste of Chicago, Air & Water Show, Millennium Park Summer Music Series), and venue-specific discounted parking with promo codes for Navy Pier, the Art Institute of Chicago, Auditorium Theatre, Chicago Symphony Orchestra, Cadillac Palace Theatre, CIBC Theatre, Chicago Theatre, James M. Nederlander Theatre, and 10+ other cultural anchors. EV charging is available at all four locations with 74 total chargers (J1772 and Tesla connectors, $0.31-$0.39/kWh).

Revenue is generated almost entirely from transaction-based parking fees (hourly, daily, event, extended-stay) supplemented by recurring monthly/season subscriptions, per-kWh EV charging usage, and online service fees. GTM is digital-first via millenniumgarages.com for bottom-of-funnel self-serve booking, supported by venue partner landing pages and promo codes, social media channels (Twitter, Facebook, Instagram, LinkedIn), and phone-based enterprise/group reservations (312) 616-0600 between 8am-10pm. Customer segments are dominated by downtown Chicago tourists and event attendees, with secondary segments of commuters, Bears fans, extended-stay visitors, and EV drivers.

Name

Millennium Garages

Legal name

Millennium Garages (operated by SP Plus Corporation)

Website

https://millenniumgarages.com

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

51–100 employees

Short description

Millennium Garages operates four underground parking facilities totaling approximately 9,176 spaces in downtown Chicago beneath Millennium Park and Grant Park, providing hourly, daily, extended-stay, monthly, event, and EV-charging parking to tourists, event attendees, commuters, and downtown visitors.

Ownership category

akta.pro rank

Product category

Parking Facility Operations

NAICS

Parking Lots and Garages (81293)

SIC

Services-Automotive Repair, Services & Parking (7500)

akta.pro primary industry

Off-Street Parking Facilities Operations (Garages, Lots, Park-and-Ride) (TLAJAIAB)

akta.pro secondary industries

Parking Asset Management & Facility Services (Cleaning, Security, Staffing, Maintenance) (TLAJAIAG), EV Charging Operations & Parking-Lot Electrification Management (BPABAKAK), EV Charging Payment & Reimbursement Programs (Public/Depot Charging) (TLABAMAK)

Keywords

• Downtown parking services
• Event parking reservations
• Monthly parking subscriptions
• EV charging stations
• Extended stay parking

Headquarters

HQ city

Chicago

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Operations, Infrastructure, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. Hourly and Daily Parking: Transaction-based parking fees charged per hour or per day at four Chicago garage locations. Rates vary by garage, day of week, and time of day. Includes early bird discounted rates for weekday arrivals before 10am.
2. Event Parking: Special event parking packages for concerts, theater performances, sports games, and festivals. Often offered at discounted rates with promo codes, valid for specific durations.
3. Season Parking Passes: Multi-game season parking passes for Chicago Bears home games. Includes nine home games at specified per-garage rates (Millennium Park Garage: $200, Grant Park South: $300).
4. Extended Stay Parking: Multi-day parking packages for visitors staying extended periods. Includes unlimited in/out access and discounts of up to 50% versus standard daily rates.
5. Monthly Parking Subscriptions: Monthly vehicle storage subscriptions for regular commuters and downtown workers. Offered through partner website millenniumgaragespartner.com.
6. Service Fees: Transaction service fees applied to online parking purchases, calculated based on a formula specific to the platform.
7. EV Charging: Electric vehicle charging stations at all four garages with per-kilowatt-hour pricing (rates vary by location: $0.31-$0.39/kWh).

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels5 records

Core offering

Millennium Garages operates four underground parking facilities beneath Chicago's Millennium Park and Grant Park, providing hourly, daily, extended stay, monthly, and event-based parking services via an integrated online reservation platform. The offering includes EV charging at all locations, partnered discounted parking with 20+ major Chicago attractions and venues, a Flex Daily Card subscription program, and seasonal boat trailer storage. The platform is powered by Metropolis.io technology and SP Plus Corporation parking systems, including ALPR-based enforcement.

Product overview

Millennium Garages operates a unified parking platform across four underground parking facilities in downtown Chicago (Grant Park North, Grant Park South, Millennium Park Garage, and Millennium Lakeside Garage) totaling approximately 9,176 parking spaces. The core offering is an online parking reservation system that enables advance booking at fixed rates for hourly, daily, extended stay (up to 5 days), and monthly parking. The platform integrates with the Metropolis.io technology infrastructure and SP Plus Corporation parking systems to provide digital access control, ALPR-based enforcement, and payment processing. Additional services include event-specific parking packages for major Chicago venues and attractions, a Flex Daily Card subscription program for frequent parkers, and EV charging stations at all four locations. The company also offers venue-specific discounted parking validated through partnerships with theatres, museums, and event organizers throughout the city.

Differentiator

Problem solved

Functional benefit

Products and services

• Hourly & Daily Parking Short-term parking at all four Millennium Garages locations, available at drive-up and online rates varying by garage, day of week, and time of day. Early bird discounted rates available at select garages for weekday arrivals before 10am.
• Extended Stay Parking Multi-day parking for stays up to 5 days at Millennium Garages with discounts of up to 50% versus standard daily rates and unlimited in/out access throughout the duration of stay.
• Monthly Parking & Vehicle Storage Recurring monthly vehicle storage subscriptions for regular commuters and downtown workers, purchased and managed through the partner portal at millenniumgaragespartner.com.
• Flex Daily Card Subscription discount program offering reduced parking rates at all four Millennium Garages locations for up to 12 hours per visit on a pay-as-you-go basis with no contracts or minimums; requires a physical keycard for garage access.
• Event & Venue Parking Pre-purchased, venue-specific discounted parking for major Chicago events and attractions including Lollapalooza, Chicago Bears home games at Soldier Field, Navy Pier, Auditorium Theatre, Art Institute of Chicago, Chicago Architecture Center, Design Museum of Chicago, Chicago Symphony Orchestra, Cadillac Palace, CIBC Theatre, Chicago Theatre, James M. Nederlander Theatre, Huntington Bank Pavilion at Northerly Island, Harris Theater, Maggie Daley Park, and city cultural events. Includes season passes and promo-code-based discounts.
• EV Charging Service Electric vehicle charging available at all four Millennium Garages locations with J1772 and Tesla connectors, billed per kilowatt-hour at rates ranging from $0.31 to $0.39 depending on garage.
• Boat Trailer Storage Seasonal storage service for boats and trailers, available for purchase and management through the partner portal at millenniumgaragespartner.com.

Quantifiable outcome

• Save up to 50% on Extended Stay Parking compared to daily rates
• +2 more outcomes

Named customers14 records

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

Feature3 records

Partnerships

One partnership is on record.

• SP Plus CorporationcoreOthersSP Plus Corporation is the parent company and operator of Millennium Garages. The company provides parking management services, ALPR technology, and operates the online parking platform. Corporate headquarters at 200 East Randolph Street, Suite 7700, Chicago, IL 60601.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• SP Plus Corporation: Millennium Garages' parent operator; SP+ is a national parking management company operating thousands of parking locations across the U.S. Directly comparable on business model (parking operations) and technology infrastructure (ALPR, online booking). Parent-subsidiary relationship, but a useful comparator for operating scale and unit economics.
• Premium Parking: U.S. parking management company operating managed-lot and garage portfolios with technology-driven enforcement. Comparable on the managed-parking-as-a-service model and on Chicago-area presence via contracts with downtown buildings and venues.
• ABM Industries (ABM Parking Services): Large facility-services company with a dedicated parking services division operating thousands of U.S. parking locations. Comparable on commercial off-street parking operations, validation/event parking, and EV charging rollouts; broader portfolio provides a public-company benchmark.

Direct peers

• LAZ Parking: One of the largest privately-held parking operators in North America, managing off-street garages and lots in urban centers including Chicago. Comparable on operating model (third-party garage management, monthly/event/validation pricing) and customer segments (commuters, event attendees, downtown visitors).
• Icon Parking: New York City-focused parking operator with a comparable urban off-street garage model and monthly/event SKU structure. Useful precedent for understanding per-space utilization and pricing dynamics in dense U.S. downtowns, though operates in a different geography than Millennium.
• ParkWhiz: Pre-book parking marketplace (owned by Arrive) covering Chicago and other major metros. Competes for the same online reservation and event-parking transactions, with comparable SKU breadth (hourly, monthly, event) and venue-partnership model.
• SpotHero: An online parking marketplace that lets drivers reserve and prepay for off-street parking at garages and lots across major U.S. cities including Chicago. Direct competitor on the digital booking/advance reservation layer that Millennium Garages uses as its primary acquisition channel; comparable use cases (event, monthly, hourly reservations).

Emerging players

• SP+ / Metropolis Joint Offering (Checkout-Free Parking): The same parent-operator + Metropolis combination deployed beyond Millennium Garages, providing checkout-free ALPR parking at other Chicago and U.S. garages. Useful as a comparable for understanding how the Millennium platform could scale inside the parent's broader portfolio.
• Metropolis Technologies: The technology provider behind Millennium Garages' online booking platform and ALPR-enabled checkout. Operates a checkout-free parking platform competing with ParkWhiz/SpotHero at the technology layer; comparable on checkout experience, ALPR, and payment processing for urban garages.

Regional players

• City of Chicago Parking Operations (ParkChicago): Municipally-operated on-street and select off-street parking in downtown Chicago. Competes indirectly for downtown parking demand via metered on-street spaces and city-run garages; differs in scope (public policy vs. private operator) and assets (on-street meters vs. Millennium's underground garages).

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/parkingchicago
• Facebookfacebook.com/ParkingChicago
• LinkedInlinkedin.com/company/millennium-garages
• Instagraminstagram.com/millenniumgarages

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Millennium Garages