›
Need a space today in Ontario, CA?
3 spaces within 5 km: a desk, a meeting room or an office for the day, real-time availability and online payment in 2 minutes.
Within 20 km of Ontario, CA.
We track 5 spaces in Ontario, CA, and we keep their rates up to date continuously. That is what lets us tell you, before you make a single call, who charges what and on which office size.
On a longer project, our work starts where comparison ends: an expert who knows the local operators builds your shortlist within 48 hours, arranges the viewings and negotiates on your behalf, at no fee.
Our directory holds 5 spaces in Ontario, CA, 5 of which share their rates with us. The others work on quotation, and we ask them for you.
The most common brands: Regus (4), HQ (1).
Regus alone accounts for 4 of the 5 spaces in the area: the local market is largely shaped by a single brand.
We record 5 spaces renting a private, closed office in Ontario, CA.
We detail the inventory of 5 of them: 34 closed offices, that is 147 listed desks.
These amounts are all inclusive: equipped desk, charges, cleaning and shared services. That is what makes them hard to compare with a conventional lease, always quoted excluding charges.
We price each team size on the offices that actually hold it, never on the smallest office in the building.
Per desk, half of the Ontario, CA spaces renting closed offices come in below $485 excl. tax per month.
This is the figure we use to compare two buildings: it cancels out office size and brings out the real gap between operators.
The largest closed office in our Ontario, CA directory holds 10 people.
That figure does not tell the whole story. Large floors are rarely marketed online: operators keep them for qualified enquiries, and we regularly source ones that appear nowhere. Tell us about your project, we search off market too and come back to you within 48 hours.
5 spaces rent closed offices in Ontario, CA. Here is what comes up most often: Multi-centre access (5), High-speed Wi-Fi (5), Mail handling (5), Registered business address (5).
The line to watch is the meeting-room allowance included in the rent: beyond it, billing goes by the hour.
Yes for 5 of the 5 spaces we track in Ontario, CA.
This is worth checking early: it governs weekend and out-of-hours access, and not every operator grants it on closed offices.
We track 5 spaces with at least one meeting room in Ontario, CA.
See the meeting rooms available in Ontario, CA and book online
5 spaces open their shared area by the day in Ontario, CA.
Yes: 3 spaces rent a closed office by the day in Ontario, CA.
This is the format our clients use for a board meeting, a recruitment session or a team passing through.
Figures measured across the 5 spaces we list in Ontario, CA. Last updated: 4 September 2026.
Every single serviced workspace in Ontario, CA is run under a single corporate umbrella across five locations, creating an unusually standardized market where baseline amenities never vary. Because Regus operates four locations and HQ operates one, your search is not about discovering different operator philosophies but securing the right desk configuration before inventory fills up.
3281 E. Guasti Road, 91761, Ontario
from 499 USD
Locking in a dedicated workspace gives growing teams immediate utility without the capital exposure of a conventional commercial lease. Across 34 available private office configurations, the median rate per desk sits at 485 USD per month before tax. Signing a multi-year direct lease usually means paying upfront for architects, cabling, and tenant improvements before anyone even sits down. Here, all five locations include high-speed Wi-Fi, mail handling, a registered business address, and multi-centre access from day one.
A team of two can secure a private office starting at 718 USD per month before tax, against a city median of 970 USD per month. While the largest individually published layout lists at 10 desks, on-site operators routinely combine adjoining suites to fit larger corporate headcounts. For solo professionals or overflow staff needing recurring desk access, dedicated monthly coworking starts at 339 USD per month, with a median of 464 USD per month. That represents a predictable monthly overhead that eliminates surprise building maintenance invoices entirely.
Securing boardrooms on demand keeps you from paying rent on empty conference tables eleven months out of the year. You can book a Meeting room in Ontario, CA across 12 live configurations distributed among all five corporate centres. Full-day reservations start at 274 USD per day before tax, with a market median of 307 USD per day.
These rooms handle client presentations, quarterly reviews, and team strategy days with commercial-grade audiovisual gear already installed. Reserving professional space by the day saves you from the awkward acoustic compromises of hotel lobbies or coffee shops. Every site also features 24/7 access, ensuring off-hours negotiations run without building lockouts.
Drop-in access provides a buffer when visiting executives arrive or field teams need quiet space between regional appointments. Securing a Day office in Ontario, CA starts at 31 USD per hour or 169 USD per day before tax, settling at a daily median of 199 USD. That is an immediate private office door you can close for critical client calls without signing a long contract.
If an open desk is sufficient, a Coworking day pass in Ontario, CA starts at 9 USD per hour or 55 USD per day before tax, with a city median of 69 USD per day. Paying for hot desks on demand spares you from carrying ongoing balance-sheet liabilities for remote staff who only visit the Inland Empire occasionally.
Commuter access defines where you should plant your team in western San Bernardino County. Downtown Ontario clusters around transit, placing offices within reach of Ontario Station, just 0.3 km from the centre. For companies requiring swift air connections, the Ontario Airport Business Park puts teams 4.7 km from Ontario International Airport, while regional rail links at Upland sit 3.3 km away.
Further rail access connects staff across municipal borders, with Claremont station at 7.1 km, Rancho Cucamonga at 8.7 km, and Pomona Downtown at 9.4 km. Teams balancing operations across county borders often evaluate space in nearby Pomona, CA or east toward Riverside, CA to capture commuter corridors along the I-10 and I-15.
Positioned in the Ontario Airport Business Park, this centre offers 16 live layouts spanning 1 to 24 desks with entry pricing from 449 USD per month. It provides 15 business services, round-the-clock entry, and sits 4,586 metres from Ontario Airport at Terminal Way.
Located in Downtown Ontario, this facility lists 6 available offers for teams from 1 to 8 desks with starting rents at 425 USD per month. It includes 16 integrated services, full 24/7 access, and stands only 1,071 metres from Ontario Station.
This airport district location features 9 live configurations accommodating 1 to 8 desks, starting at 339 USD per month below the city median. The site delivers 15 core business services, 24/7 building access, and sits 206 metres from the Concours at Ferrari transit stop.
Navigating flexible inventory means matching real headcount growth to genuine desk availability without getting bogged down by opaque property jargon. Because all five locations in Ontario operate under standardized corporate management, finding your space comes down to lease terms, layout adaptability, and budget efficiency. We map the entire local inventory, clarify desk capacities, and help you lock in the right serviced workspace quickly.
