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Office Space Diamond Bar: 5 Best Private Office Options (2026)

Frerik Bongers
Updated: July 31, 2026
Published: July 31, 2026

Hunting for office space Diamond Bar that your team can move into this quarter? The search usually ends the same way: plenty of listings for buildings 30 minutes away, and very little actually inside the 91765. This guide keeps it local. It covers the private offices Wezoo lists in Diamond Bar, what each one costs per month, how many people they hold, and how to request a quote without a membership or a long lease.

Diamond Bar sits at the SR-57 and SR-60 interchange, which is exactly why it works as a base for teams pulling staff from across the San Gabriel Valley, the Inland Empire, and North Orange County. For a full primer on how these spaces are priced and run, see our complete guide to private offices. Below, we get specific about Diamond Bar.

One honest note up front: Wezoo currently lists a single private-office building in Diamond Bar. It happens to be a good one, with suites for two to six people, so the real choice here is which room size fits your team.

Wezoo snapshot — office space Diamond Bar (private offices)

  • Wezoo currently lists 1 private-office location in Diamond Bar, with 15 suite configurations
  • Price range: from $738 to $2,214 per month
  • Median suite: $1,476 per month
  • Capacity: 2 to 6 people per office
  • Operator on file: Regus
Browse all private offices in Diamond Bar: See availability →

What does office space Diamond Bar cost?

Short answer: private office space Diamond Bar runs from $738 per month for a two-person room to $2,214 per month for a six-desk suite, with the typical four-person office landing around $1,476. Those are monthly starting prices for a fully serviced room — furniture, Wi-Fi, reception, and utilities included — not a bare shell you fit out yourself.

Because these are serviced offices, you inquire and request a quote rather than book instantly. The price you see is the floor; the final number depends on term length and how many months you commit to.

Team size From (per month) Best for
2 people $738 Founder + first hire
3 people $1,107 A talkative pod
4 people $1,476 (median) Most small teams
5 people $1,845 A growing team
6 people $2,214 Largest suite in the building

5 private office options for office space Diamond Bar

Every suite below is at Regus, 1370 Valley Vista Drive, in the Gateway Corporate Center. Same address, same amenities — parking, breakout spaces, catering, a shared lounge, and step-free access. The difference is how many desks you need.

1. 2-Person Private Office — Diamond Bar

office space diamond bar - 2-person private office at Regus
Private office at 1370 Valley Vista Drive by Regus, Diamond Bar

What to expect: A right-sized room for a founder and a first hire, or a two-person client team. Enough desk space to spread out without paying for square footage you never use. Lockable door, business-grade Wi-Fi, and a chair you can actually sit in for eight hours.

From: $738/month · Capacity: up to 2 people · Availability: available now · Operator: Regus · Address: 1370 Valley Vista Dr, Diamond Bar 91765

👉 Request this office on Wezoo

2. 3-Person Private Office — Diamond Bar

office space diamond bar - 3-person private office at Regus
Private office at 1370 Valley Vista Drive by Regus, Diamond Bar

What to expect: Room for a tight three-person pod that needs to talk out loud all day. You get a private door between your calls and the rest of the floor, plus access to the shared lounge when the room starts to feel small.

From: $1107/month · Capacity: up to 3 people · Availability: available now · Operator: Regus · Address: 1370 Valley Vista Dr, Diamond Bar 91765

👉 Request this office on Wezoo

3. 4-Person Private Office — Diamond Bar

office space diamond bar - 4-person private office at Regus
Private office at 1370 Valley Vista Drive by Regus, Diamond Bar

What to expect: The median pick here, and the one most small teams land on. Four desks, a window line in most units, and the breakout spaces down the hall for the meeting that should not happen over four people’s shoulders.

From: $1476/month · Capacity: up to 4 people · Availability: available now · Operator: Regus · Address: 1370 Valley Vista Dr, Diamond Bar 91765

👉 Request this office on Wezoo

4. 5-Person Private Office — Diamond Bar

office space diamond bar - 5-person private office at Regus
Private office at 1370 Valley Vista Drive by Regus, Diamond Bar

What to expect: A five-desk suite for a team that has outgrown a spare bedroom and a coffee shop. Parking is on site, so nobody circles the block, and catering can be arranged for the day a client flies in.

From: $1845/month · Capacity: up to 5 people · Availability: available now · Operator: Regus · Address: 1370 Valley Vista Dr, Diamond Bar 91765

👉 Request this office on Wezoo

5. 6-Person Private Office — Diamond Bar

office space diamond bar - 6-person private office at Regus
Private office at 1370 Valley Vista Drive by Regus, Diamond Bar

What to expect: The largest configuration in the building, sized for a six-person team or a five-person team that wants a spare desk for visitors. Wheelchair-accessible throughout, with a staffed reception handling your deliveries.

From: $2214/month · Capacity: up to 6 people · Availability: available now · Operator: Regus · Address: 1370 Valley Vista Dr, Diamond Bar 91765

👉 Request this office on Wezoo

Interested in a private office in Diamond Bar? See availability →

When should you choose a private office over coworking?

Choose a private office when your team needs to talk out loud all day, handle client calls, or leave equipment set up overnight. Coworking and hot desks win on price for solo work and quiet days. Once you have two or more people who need to hear each other and not everyone else, a lockable room in Diamond Bar pays for itself in focus. Teams weighing the same call in nearby cities often compare notes with our guide to office space in Arcadia, one interchange west.

What is office space Diamond Bar best for?

It fits teams that draw talent from more than one county. A base at the 57/60 interchange means an Ontario hire, a Pomona hire, and a Brea hire all reach the same door in roughly the same time. Office space Diamond Bar also suits companies that want a professional address and a staffed reception without signing a multi-year commercial lease. You get the front-of-house polish of a corporate building and the flexibility of a monthly term.

According to the City of Diamond Bar, the city sits at the eastern edge of Los Angeles County, bordering both San Bernardino and Orange counties — the reason its commute math works for so many teams (more on the city here).

Ready to book your private office in Diamond Bar?

Browse All Private Offices in Diamond Bar →

Frequently asked questions

How much is office space Diamond Bar per month?

Private offices in Diamond Bar start at $738 per month for a two-person room and reach $2,214 per month for a six-person suite. The median suite is about $1,476 per month, fully serviced.

Is there office space in Diamond Bar available now?

Yes. Wezoo lists a Regus building at 1370 Valley Vista Drive with suites for 2 to 6 people, several of them available immediately. You request a quote and the operator confirms your move-in date.

Do I need a long lease to rent a private office here?

No. These are serviced offices on flexible monthly terms — no multi-year commercial lease and no membership. You inquire, agree a term, and move in.

What is included in the monthly price?

Furniture, business-grade Wi-Fi, utilities, reception, and access to shared amenities like the lounge, breakout spaces, catering, and on-site parking are included in the starting price.

How do I book a private office in Diamond Bar?

Private offices are lead-gen, so you request a quote rather than book instantly. Open the listing on Wezoo, send an inquiry, and the operator responds with exact pricing for your team size and term.



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Frerik Bongers
I love turning complexity into clarity. Making sure that busy teams can think, decide, and move with zero workspace friction.
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