Unlike office or retail tenants, dental operators face a unique set of challenges: expensive buildouts, specialized infrastructure requirements, and long occupancy timelines that make a bad lease very hard to undo. A 10-year lease signed under pressure, with the wrong terms, can affect your profitability for a decade.
This guide covers what dental practice owners in Chicago and the surrounding suburbs need to know before signing — and what to negotiate before you do.
Why commercial lease negotiation for dental practices is different
Most commercial tenants are negotiating for office or retail space. Dental practices are negotiating for something far more specific.
Your lease needs to account for:
- Plumbing and infrastructure. Dental operatories require significant plumbing — multiple water lines, drainage, and sometimes dedicated electrical capacity. Not every space can support this without major structural work.
- Buildout costs. A dental buildout in the Chicago suburbs typically runs $250 to $325 per square foot. That number makes tenant improvement allowances and buildout terms critical, not secondary.
- Long occupancy timelines. Most dental practices sign 10-year leases. The terms you accept today will affect your costs well into the next decade.
- Future expansion. Will you have room to add chairs? Can you expand into adjacent space if the practice grows?
These are not concerns a general commercial tenant has. That is why dental advisory requires a different approach than standard tenant representation.
What lease terms matter most for a dental practice?
1. Tenant Improvement Allowance (TI)
The tenant improvement allowance is the amount the landlord contributes toward your buildout. In the Chicago suburban market, TI allowances typically range from $40 to $50 per square foot — but dental buildouts cost significantly more than that.
That gap is your out-of-pocket exposure. Before you sign, you need to know:
- What is the landlord offering in TI?
- What does your buildout actually cost — including plumbing, cabinetry, operatory equipment, HVAC, and finishes?
- How is the TI structured — upfront, reimbursement, or amortized into rent?
Negotiating TI is not just about the number. It is about who controls the buildout process, what the allowance covers, and when the money is available.
2. Lease Term and Renewal Options

A 10-year initial term with two 5-year renewal options is common for dental practices — and usually appropriate given the cost of building out a clinical space. But renewal options are only valuable if the terms are defined clearly.
Watch for:
- Renewal rent. Is it fixed, capped at a specific increase, or left to "fair market value" — which gives the landlord significant leverage at renewal time?
- Option notice windows. Most leases require you to exercise renewal options 6 to 12 months in advance. Missing the window can mean losing the option entirely.
- Holdover clauses. If you stay past your lease term without exercising a renewal, holdover rent can jump significantly — sometimes 150% of your base rent.
3. Exclusivity
If you are opening in a multi-tenant building or shopping center, an exclusivity clause prevents the landlord from leasing to another dental practice in the same property.
This is standard to request — but the language matters. A poorly drafted exclusivity clause might only cover "general dentistry" while allowing a competing orthodontist, periodontist, or dental group to move in next door.
4. Personal Guarantee
Most landlords will ask for a personal guarantee — meaning you are personally liable for lease obligations if the practice fails or defaults.
Negotiating the scope of the personal guarantee is important. Options include:
- Limiting the guarantee period — for example, guaranteeing only the first 3 to 5 years rather than the full lease term
- Burn-down provisions — the guarantee reduces as you demonstrate consistent rent payment
- Entity-only leases — in some situations, a well-structured corporate entity can reduce personal exposure
This is an area where having an experienced tenant representative significantly changes the outcome.
5. Permitted Use Clause
The permitted use clause defines what you are allowed to do in the space. For dental practices, this clause needs to be broad enough to cover all services you offer — or plan to offer.
A clause that reads "general dentistry only" could create problems if you later want to add orthodontics, oral surgery, or cosmetic services. Make sure the permitted use covers your full scope of practice.
6. Assignment and Subletting Rights
At some point, you may want to sell the practice. When that happens, the buyer will need to either assume your lease or sign a new one.
Landlords often require approval rights over assignments — which gives them leverage to renegotiate terms at the point of sale. Negotiating reasonable assignment rights upfront protects the future value of your practice.
What are common lease negotiation mistakes dental practices make?
Accepting the landlord's first offer.
A lease is not a take-it-or-leave-it document. Almost every term is negotiable, especially in submarkets where vacancy gives tenants leverage.
Focusing only on base rent.
Base rent is one line item. Operating expenses, CAM charges, property tax pass-throughs, and insurance contributions can add 20 to 40 percent to your effective occupancy cost. Evaluate total cost, not just the headline number.
Not modeling the buildout gap.
If your buildout costs $300 per square foot and the landlord is offering $45 per square foot in TI, you have a $255 per square foot gap to fund. On a 2,000 square foot space, that is $510,000 out of pocket. This math needs to happen before you sign, not after.
Skipping legal and advisory review.
A commercial lease is a long, detailed document written by the landlord's attorney. Having it reviewed only by a general attorney — without someone who understands the dental real estate market specifically — often leaves money and protection on the table.
Not accounting for buildout timelines.
Dental buildouts in the Chicago suburbs typically take 6 to 9 months. Your lease should include a rent commencement date tied to substantial completion of the buildout — not to lease execution. Paying full rent on a space you cannot yet operate in is a costly and avoidable mistake.
How does location affect lease terms for a dental practice in Chicago?
Location and submarket directly affect what you can negotiate.
In high-demand submarkets — like Northbrook, where medical office runs around $42 per square foot — landlords have more leverage and TI allowances may be harder to push. In markets with more availability, tenants have more room to negotiate.
Suburban markets like Naperville, Schaumburg, and Downers Grove each have different rent ranges, vacancy dynamics, and landlord expectations. Understanding the market you are entering — before you negotiate — is a significant advantage.
That is why site selection and lease negotiation are connected. The location you choose determines the leverage you have.
Should a dental practice owner negotiate their own lease?
Technically, yes. Practically, it is rarely a good idea.
Landlords negotiate commercial leases regularly. Most dental practice owners negotiate one every 10 years. That experience gap shows up in the final terms.
More importantly, landlords typically pay the tenant representative's fee as part of the transaction — meaning tenant representation costs you nothing and gives you an experienced negotiator on your side.
If you are a first-time practice owner navigating this process for the first time, the first-time tenant section of our site covers what to expect from start to signature.
What to do before you start negotiating
Before entering lease negotiations for a dental practice in Chicago, make sure you have:
- A clear understanding of your space requirements — operatory count, support spaces, future expansion needs
- A realistic buildout budget, including a contractor estimate for the specific space
- A target submarket based on demographics, competition, and patient accessibility
- A defined lease term that aligns with your practice growth timeline
- An advisor who understands dental real estate specifically — not just commercial leasing in general
Getting these in order before you negotiate puts you in a fundamentally stronger position.
Working with +CRE on dental lease negotiation
At +CRE, dental advisory is one of our core areas of focus. We work with dental practice owners across Chicago and the surrounding suburbs — from first locations to multi-site expansion — helping them negotiate leases that reflect the real cost of operating a dental practice, not just the landlord's preferred terms.
If your lease is expiring, you are opening a new location, or you are evaluating a space right now, start a conversation before you sign anything.
Written by Mike Wolson | +CRE —— Dental real estate advisory and tenant representation across Chicago and surrounding suburbs.




