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Understanding Office Building Lease Rates


Denver Office Lease - Office Lease Denver
Office Lease Denver - Denver Office Lease

Are you comparing apples to oranges?

Not all Office Building Lease Rates are priced using the same format.  Office buildings often have leases structured on a "Full Service" or "Gross" basis, meaning that a quoted price of $20.00 per square foot per year includes all "Building Operating Expenses," i.e. the costs of property taxes, insurance, common area maintenance, and premises janitorial and utilities.  These buildings usually offer a "Base Year" for Operating Expenses with the Tenant paying for annual escalations (increases) that exceed the costs for Operating Expenses in the Base Year, which is most often the calendar year when the lease begins.

Other buildings, including most industrial, R&D/Flex buildings and some office buildings, will offer Tenants a triple net ("NNN") lease.  In a NNN lease, the Tenant pays a Base Rent, plus all Operating Expenses for property taxes, insurance and common area maintenance.  However, in a NNN lease, the Tenant usually contracts for and pays separately for its own janitorial and utilities.  It can get confusing, because some Landlords structure their leases in a hybrid fashion by using a combination of Gross and NNN methods.

It is critical to understand the Landlord's proposed office lease structure when analyzing competing office space options.  Landlords may advertise space without quoting the full costs of the anticipated operating costs, e.g., conveniently forgetting the premises utility or janitorial costs in the quoted rates.  Be sure your broker has asked enough questions to quantify and document all of the anticipated costs!

The chart below provides four examples for a 10,000 SF, Class A office space option, with the first-year lease rates analyzed for different lease structures:

Option A - Full Service Gross Lease: All operating costs included.
Option B - NNN Lease: Base Rent with all Operating Expenses included in NNN charges.
Option C - NNN Lease: Base Rent with NNN charges, but premises janitorial paid by the Tenant.
Option D - NNN Lease: Base Rent with NNN charges, but premises janitorial and premises utility costs paid by the Tenant.

A 10,000 SF $21.00 Included Included Included Included $21.00 $210,000
B 10,000 SF NA $14.00 $8.75 Included Included $22.75 $227,500
C 10,000 SF NA $14.65 $8.35 Included $0.85 $23.85 $238,500

10,000 SF

NA $14.65 $6.90 $1.65 $0.85 $24.05 $240,500

Facility options that at first glance appear less expensive, may in fact
cost considerably more when all office space lease costs are included.

Your commercial real estate broker should dig into the details to be sure that all potential costs are identified.  The important thing is to understand exactly who is paying for what and, if you move forward with an office lease, to make sure that costs are clearly described in the lease document.

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Guidance Corporate Realty Advisors provides Corporate Tenant / Buyer Representation services to corporate real estate users in the Denver metropolitan area including Boulder, Colorado.  Guidance also provides these services in all major U. S. markets, as well as markets in Canada, Asia, South and Central America, and Europe.  To contact: (303) 442-5400 ext 2; Email for Information; 521 Valley View Drive, Boulder, CO 80304; 5231 Monroe Street, Suite 200, Denver, CO 80216.

521 Valley View Drive
Boulder, CO 80304
5231 Monroe Street
Denver, CO 80216
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FX: 303.545.6581
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