Greenwich Has Two Office Markets. Investors Should Stop Pricing Them as One.

Contributed perspective | Greenwich office investment

Greenwich has a reputation for premium office space, and its advertised rents support that reputation. But an investor buying an office building is not buying a zip code or a headline rental rate. The investor is buying a stream of income, subject to vacancies, tenant decisions, capital costs and the next financing cycle. A prestigious address can help attract tenants; it does not relieve an owner of the obligation to make the numbers work.

That is why the most instructive finding in Cushman & Wakefield's third-quarter 2026 Fairfield County Office MarketBeat is not a single rental figure. It is the sharp divergence between Greenwich's central business district (CBD) and the rest of its office inventory. The two areas differ markedly in quoted rents, vacancy and short-term occupancy changes. Treating them as one market can lead investors to underprice risk or overstate potential returns.

A town with two distinct office profiles

Cushman & Wakefield reported average full-service asking rents of $98.51 per square foot in Greenwich CBD, compared with $46.72 in non-CBD Greenwich. Overall Greenwich asking rents averaged $53.12 per square foot, up 13.1% from a year earlier. On its face, the CBD rate is more than double the non-CBD rate. Yet that gap should not be confused with a guaranteed rent premium for any particular building; the averages may reflect differences in available space, building quality and location.

The vacancy comparison is equally striking. CBD vacancy was 10.4% at quarter-end, while the non-CBD rate was 25.2%. Across Greenwich as a whole, vacancy stood at 18.5%. The data cover approximately 1.80 million square feet of CBD office inventory and 2.17 million square feet outside the CBD, within the report's defined office market. There is no basis to assume that a building with weak tenant appeal will automatically achieve the reported CBD average simply because it has a Greenwich address.

One quarter's movement adds a useful complication: CBD net absorption was negative 28,055 square feet, while non-CBD net absorption was positive 3,366 square feet. Total Greenwich quarterly net absorption was therefore negative 24,689 square feet. Positive non-CBD absorption in one quarter is not evidence of a broad recovery: year-to-date non-CBD absorption remained negative 83,512 square feet, with CBD absorption negative 90,841 square feet. The figures describe change in occupied space, not signed deal volume and not future demand.

Do not mistake a stock measure for a flow measure

The headline countywide figures require similar care. Fairfield County posted negative 182,117 square feet of net absorption during Q3 and finished with overall office vacancy of 25.8%. Greenwich's negative 24,689 square feet is part of that wider county total, not a second, comparable measure that can be added to it. And the countywide number does not describe conditions within every Greenwich corridor.

Vacancy measures the share of inventory unoccupied at a point in time; net absorption measures a change in occupied square footage over a period. A market can retain relatively low vacancy while losing occupied space during a particular quarter. Likewise, a market can post modest positive absorption yet continue to carry substantial vacant inventory. These are not contradictions. They are reasons to compare multiple periods and study the properties behind the averages.

An additional distinction matters to buyers reviewing marketing brochures: the report's rental figures are full-service asking rents. They are not necessarily the effective rents owners secure after free rent, improvements or other inducements. Nor can those quoted rates be treated as net operating income. Full-service leases typically leave important property expenses with the landlord, subject to the specific lease language.

What a $53.12 asking rent really buys

Consider a deliberately simplified lease for 4,000 square feet of office space, using the reported Greenwich-wide asking rate of $53.12 per square foot. That creates scheduled gross annual rent of $212,480, or $1,062,400 over five years, assuming no rent increases. This is a mathematical example, not evidence of actual market lease terms.

Now assume the tenant negotiates six months of free full-service rent over the five-year term. Scheduled collections decline by $106,240 to $956,160. Assume also that the landlord funds a tenant-improvement allowance of $40 per square foot, or $160,000. Taken together, those two concessions reduce the five-year landlord economic proceeds, before operating expenses and other costs, to $796,160. Dividing by 20,000 square-foot-years produces an undiscounted economic-rent equivalent of approximately $39.81 per square foot annually.

That $39.81 is not an observed market rent, cash rent in each year, or net operating income. The $160,000 improvement allowance is an expenditure, not a reduction in the tenant's contracted rent. The calculation ignores the time value of money, annual escalations, operating expenses, leasing commissions, additional capital work and the possibility that free rent applies only to some charges. But the simplification exposes the danger of pricing a building solely from a $53.12 asking-rate headline: the owner's economics can look materially different once the full lease package is considered.

The investor's next question should be whether the landlord can recover that capital through durable occupancy, enforceable reimbursement provisions and an attractive eventual disposition price. In a full-service structure, rising taxes, insurance, utilities and maintenance may further reduce the income retained by the owner. For a lender, the distinction affects underwritten cash flow and coverage; for a purchaser, it affects the price the building can support.

The questions I would ask before offering a price

In reviewing a Greenwich office acquisition, I would start with the actual rent roll and signed leases, rather than a broker's projection of market rent. How much income is contractual today? Which leases expire within the next 24 to 36 months? What renewal options can tenants exercise, and who pays for improvements, operating expense increases and restoration work? How much security protects the landlord if a tenant defaults? These are not secondary details; they define how much of the projected income is bankable.

I would then examine tenant concentration. A building can report high occupancy while depending on one or two users for most of its cash flow. If a large tenant leaves, the owner may face multiple problems at once: lost rent, carrying costs, brokerage commissions, renovation expenses and weaker refinancing options. A lender may value that exposure differently from an investor betting on lease-up. Both need to know what is actually at risk at each expiration date.

Physical condition belongs in the same analysis. HVAC systems, elevators, roofs, accessibility requirements, parking, energy performance and interior layouts can influence not only capital budgets but tenant demand. A building's age alone is less important than its functional competitiveness. An investor who assumes that an older property can simply be repositioned at CBD rental levels needs a credible renovation budget, timeline and leasing strategy, not merely a favorable comparison in a market report.

For mixed-use assets, I would underwrite office and street-level retail separately. A well-located shop may have a different customer base, leasing structure and replacement-tenant risk from the floors above it. Combining the two into a blended market rent can hide the weaker component. A proposed office conversion likewise requires independent zoning, design, financing and feasibility review before any prospective upside belongs in the purchase price.

Valuation discipline matters most when the market sounds strongest

A strong location can justify paying for quality, but it should not justify abandoning a margin of safety. Investors should build at least a base case and a downside case. In the latter, assume a meaningful vacancy period, lower renewal rent, higher leasing costs and no immediate refinance at more favorable terms. Then ask what price still produces an acceptable return and leaves cash available for the unexpected.

Capitalization rates offer a straightforward illustration of pricing sensitivity. A property generating a hypothetical $250,000 in stabilized annual net operating income would imply a value of approximately $4.17 million at a 6% capitalization rate, versus $3.57 million at 7%. That roughly $595,000 difference arises before any change in projected income. The rates and income here are hypothetical, not a statement of Greenwich transaction cap rates. The lesson is that modest shifts in investor return requirements can have meaningful consequences for value.

Owners considering a sale should apply the same discipline in reverse. A clear rent roll, realistic renewal assumptions, documented capital improvements, operating histories and credible expense projections will withstand scrutiny better than an unsupported claim that nearby asking rents establish the property's value. High headline rents may get a buyer to look; dependable information gives that buyer a reason to proceed.

The Greenwich advantage is real, but it must be earned at the property level

Greenwich's CBD remains a distinctive office setting, and the Q3 figures show that tenants are being asked to pay a substantial premium for it. But a market average is a starting point for investigation, not an investment conclusion. The contrast between 10.4% CBD vacancy and 25.2% non-CBD vacancy is substantial, yet a quarter of negative CBD absorption also reminds investors to separate current occupancy from future leasing momentum.

The most consequential investment question is not whether a building carries a Greenwich address. It is whether its rent roll, physical condition, lease structure and acquisition basis can deliver durable, financeable income under conditions that may be less favorable than today's marketing assumptions.

In commercial real estate, an asking rent is a proposition. An investment return is something that must be underwritten.

Research note and sourcing

Market statistics are from Cushman & Wakefield, Fairfield County Office MarketBeat, Q3 2026: the countywide narrative and pricing on page 1, and the Greenwich CBD, Greenwich Non-CBD, Greenwich and Fairfield County totals in the page 2 Market Statistics table.

Asking rents are full-service asking rents, not achieved effective rents. The lease concessions, capitalization rates and valuation examples are hypothetical and are not estimates of current market norms.

About the contributor

Blaise Punturo is founder and principal of Blaise Punturo Real Estate LLC, which provides brokerage and advisory services in Fairfield County, Connecticut, and Palm Beach County, Florida.

Disclosure: This is an unpaid editorial contribution. Blaise Punturo Real Estate LLC conducts brokerage and advisory business in Greenwich and Fairfield County and may benefit from future engagements there. In his October 21 confirmation, Punturo said he did not currently represent any Greenwich property and that neither he nor his firm had relevant property ownership, investment, financial or client interests beyond the disclosed brokerage and advisory activities.