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Greater Boston · Office Market Intelligence

Thinking About Selling Your
Greater Boston Office Building?

Before You List, Read This.

A data-driven guide to office property sales volume, pricing, and market cycle positioning across the top 10 Greater Boston office markets — built for owners evaluating their next move in 2026.

$6.4B+
Office Volume Tracked (Top 10)
10
Top Towns Analyzed
9 Yrs
of Sales Velocity Data
88.9%
MANSARD On-Time Close Rate

Market Overview

The Greater Boston Office Market in 2026

If you own a suburban office building in Greater Boston, you have likely been navigating a market defined by uncertainty. The data, however, tells a more nuanced story than the headlines suggest.

The Greater Boston office market is currently in a critical transition. According to the Q4 2026 Mueller-Chacon Real Estate Market Cycle Forecast, the U.S. suburban office market is deep in the Recession phase of the cycle. However, the Boston office market is outperforming the national trend, positioning itself at the very beginning of the Recovery phase — meaning Boston has already passed the cycle bottom and is beginning to turn upward.

According to CoStar's Q2 2026 Boston Office Market Report, the market posted positive net absorption of 1.1 million SF in Q1 2026 — the first positive quarter since 2022. Office attendance in Boston is up 11.2% year-over-year, driven by major employers like Fidelity Investments mandating a five-day return to the office.

MANSARD Market Insight: "The market is not frozen — it is selective. The Boston market has seen 1.1 million square feet of positive net absorption, but overall vacancy remains stubbornly high at 15.1%. Properties are trading when pricing, positioning, and strategy align. The owners who are winning are the ones who prepared before going to market."

— Jeremy Cyrier, CCIM, CRE | President, MANSARD

Within the Greater Boston market, conditions are bifurcated by geography and asset quality. Cambridge and Waltham continue to command premium pricing and attract both institutional and private capital. Meanwhile, suburban markets along the I-495 corridor are seeing value-add buyers, user-purchasers, and repositioning investors as the primary drivers of activity. Submarkets like Lowell/Chelmsford have posted annual rent gains exceeding 1.5%, outperforming the broader market average.

Market Cycle Intelligence

Where Boston Office Sits in the National Cycle

Understanding the market cycle position of Boston office is critical context for any owner evaluating a sale, hold, or repositioning decision in 2026.

National Suburban Office: Phase 4 — Recession
Mueller-Chacon Cycle Forecast, Q4 2026 Estimates

Nationally, suburban office is at the very bottom of the market cycle — deep in Phase 4 (Recession), positions 15–16 on the Mueller model. Occupancies are forecast to decline -0.1% in Q4 2026, with effective rents declining even as asking rents hold flat. Supply growth is slowing as demolitions and office-to-residential conversions accelerate.

National Outlook: Q4 2026 could mark the bottom of the U.S. office market cycle, with most markets beginning to shift toward Recovery in early 2027.
Boston Office: Phase 1 — Early Recovery
Mueller-Chacon Cycle Forecast, Q4 2026 Estimates

Boston is a notable exception to the national suburban office recession. The Mueller-Chacon model places Boston at positions 1–2 in Phase 1 (Recovery) — meaning Boston has already passed the cycle bottom. This is consistent with CoStar data showing positive net absorption of 1.1M SF in Q1 2026, the first positive quarter since 2022.

Boston Advantage: Owners who act now — before the recovery is widely recognized — are positioned to sell into improving conditions rather than waiting for the market to fully price in the recovery.
Metric Boston Market National Average Trend
Overall Vacancy Rate15.1%14.0%Declining slowly
12-Month Net Absorption+1.1M SFMixedFirst positive Q since 2022
Market Asking Rent$43.88/SF$37.00/SF+0.5% YOY
4 & 5 Star Asking Rent$60.04/SFStable
Sales Volume (TTM)$2.1BBelow $4.5B historical avg
Office Attendance Recovery66% of pre-pandemic73.5%+11.2% YOY in March 2026
Cycle Phase (Mueller-Chacon)Phase 1 — RecoveryPhase 4 — RecessionBoston ahead of national

Sources: Mueller-Chacon Real Estate Market Cycle Forecast, Q4 2026 [1]; CoStar Boston Office Market Report, Q2 2026 [2].

Sales Velocity Data

Office Transaction Volume by Town, 2017–2026

Total recorded office sale price volume and average sale price per square foot across the top 10 Greater Boston office markets, 2017 through YTD 2026.

Top 10 Greater Boston Towns — Total Office Sales Volume
Total recorded sale price volume, 2017–YTD 2026
# Town Total Vol Avg $/SF YTD 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017
Vol$/SF Vol$/SF Vol$/SF Vol$/SF Vol$/SF Vol$/SF Vol$/SF Vol$/SF Vol$/SF Vol$/SF
1Cambridge$2.30B$686$156.8M$426$136.4M$593$179.7M$1,578$193.5M$759$324.1M$672$76.4M$637$500.6M$553$168.9M$373$558.8M$587
2Waltham$1.19B$339$5.2M$237$37.1M$118$5.3M$482$246.1M$522$51.0M$368$159.2M$379$167.2M$469$143.3M$270$152.3M$298$221.2M$244
3Burlington$1.16B$264$44.6M$110$114.0M$263$71.0M$376$109.9M$310$170.3M$279$40.8M$232$342.1M$272$129.5M$279$141.5M$256
4Lexington$599.9M$277$3.9M$385$3.3M$243$108.6M$383$325.5M$395$78.0M$420$31.4M$93$26.6M$146$22.6M$154
5Watertown$538.4M$399$32.2M$608$2.7M$331$3.8M$286$5.5M$212$6.0M$546$77.8M$404$2.8M$306$272.7M$584$133.7M$356$1.3M$357
6Somerville$413.7M$438$16.3M$559$1.5M$1,006$41.2M$198$1.4M$521$101.5M$611$69.3M$281$10.1M$252$86.1M$219$86.4M$296
7Framingham$404.7M$150$2.1M$112$26.4M$141$2.9M$116$12.3M$126$55.1M$142$111.4M$150$74.0M$385$80.0M$133$38.3M$108$2.2M$91
8Marlborough$341.3M$89$4.8M$48$4.3M$52$4.5M$45$3.3M$106$27.8M$119$20.8M$115$104.9M$130$65.6M$113$33.7M$92$71.5M$71
9Newton$335.7M$315$3.6M$1,116$41.4M$174$8.7M$58$113.4M$243$18.0M$226$9.8M$296$69.6M$310$26.5M$257$44.7M$156
10Bedford$315.1M$222$28.0M$295$4.8M$275$35.9M$147$64.9M$171$129.6M$205$28.4M$299$23.5M$158

Vol = Total recorded sale price volume. $/SF = Average sale price per square foot (weighted by total SF sold). Transactions between $1M–$100M. Source: MANSARD Sales Velocity Data, 2017–YTD 2026. — indicates no qualifying transactions in that period.

Town-by-Town Analysis

Top 10 Greater Boston Office Markets

Each market has a distinct buyer profile, pricing dynamic, and strategic opportunity. Rankings reflect total office sale price volume from 2017 through YTD 2026.

Cambridge
#1
$2.30 Billion
Life Science Hub$686 avg $/SF

Cambridge commands the highest transaction volume in Greater Boston, driven by its concentration of life sciences, biotech, and technology tenants. Lila Sciences leased 176,000 SF at Alewife Park in Q3 2025. For office owners, the market transition creates a window of opportunity as tenants absorb secondhand space.

Get a Cambridge Property Evaluation →
Waltham
#2
$1.19 Billion
Route 128 Corridor$339 avg $/SF

A premier suburban office destination along Route 128. Recent highlights include Dassault Systèmes leasing 214,824 SF at Hobbs Brook, Mass General Brigham taking 202,800 SF at Waltham Corporate Center, and Stoke Therapeutics signing for 98,472 SF in early 2026.

Get a Waltham Property Evaluation →
Burlington
#3
$1.16 Billion
Route 128 Anchor$264 avg $/SF

Burlington is a bellwether for the Route 128 suburban office market. Keurig Dr Pepper's 274,000 SF renewal and State Street's 163,000 SF lease at The District demonstrate consistent corporate commitment and a stable, deep buyer pool.

Get a Burlington Property Evaluation →
Lexington
#4
$599.9 Million
Cambridge Spillover$277 avg $/SF

Lexington attracts a mix of traditional office users and life science spillover tenants. The $325.5M in 2021 volume — the highest single-year figure for the market — reflects the pandemic-era flight to quality suburban space. Sales here are driven by strategic positioning and high-quality asset profiles.

Get a Lexington Property Evaluation →
Watertown
#5
$538.4 Million
Life Science Hub$399 avg $/SF

Watertown has emerged as one of the most active suburban office submarkets in Greater Boston. Despite a high vacancy rate near 36%, it has fallen nearly 5% in the past year due to strong net absorption of 63,000 SF. Proximity to Cambridge makes it a prime target for life science spillover tenants.

Get a Watertown Property Evaluation →
Somerville
#6
$413.7 Million
Assembly Row$438 avg $/SF

Somerville is rapidly emerging as a major office and life science destination. Transmedics Group's 498,286 SF lease at Assembly Innovation Park in Q1 2026 is the largest single lease in the Greater Boston market over the past 12 months.

Get a Somerville Property Evaluation →
Framingham
#7
$404.7 Million
MetroWest Hub$150 avg $/SF

The MetroWest hub is seeing a notable trend of major tenants upgrading from Class B to Class A space as price gaps narrow. Framingham and Natick together hold approximately 8.4 million square feet of Class A and B office space, with conversions creating new exit strategies for owners.

Get a Framingham Property Evaluation →
Marlborough
#8
$341.3 Million
I-495 Corridor$89 avg $/SF

Positioned along I-495 with strong highway access, Marlborough offers a lower basis relative to replacement cost — making it attractive to investors pursuing repositioning strategies. The $104.9M in 2020 volume reflects the submarket's resilience through the pandemic.

Get a Marlborough Property Evaluation →
Newton
#9
$335.7 Million
Supply Constrained$315 avg $/SF

A highly desirable, supply-constrained market just outside Boston, Newton's office properties consistently attract private capital and all-cash buyers who prioritize certainty over leverage. The $113.4M in 2022 volume reflects Newton's resilience and the scarcity of quality assets.

Get a Newton Property Evaluation →
Bedford
#10
$315.1 Million
Route 3 Corridor$222 avg $/SF

Bedford is a specialized suburban office market anchored by defense, technology, and government contractors along the Route 3 corridor. The $129.6M in 2020 volume reflects the submarket's resilience. MANSARD successfully sold a 40,000 SF Bedford office building at 100% of asking price within 60 days of going under contract.

Get a Bedford Property Evaluation →

Recent Leasing Activity

Major Office Leases in Greater Boston, 2025–2026

Corporate leasing activity is the leading indicator of future sales demand. The following transactions confirm that Greater Boston's top office submarkets remain actively sought by major tenants.

TenantPropertyTownSF LeasedQuarter
Keurig Dr PepperBurlington Research CenterBurlington274,000Q4 2025 / Q1 2026
Dassault SystèmesHobbs Brook Office ParkWaltham214,824Q4 2025
Mass General BrighamWaltham Corporate CenterWaltham202,800Q3 2025
State StreetThe District BurlingtonBurlington163,000Q4 2025
Lila SciencesAlewife ParkCambridge176,000Q3 2025
AmazonRiverParkWilmington/Reading139,227Q4 2025
Medtronic880 Technology Park DrLowell/Chelmsford113,673Q2 2025
Stoke Therapeutics245 5th AveWaltham98,472Q1 2026
AMDTech Central @ BoxboroughConcord/Maynard90,952Q3 2025
ConvergeCentennial ParkPeabody/Salem76,771Q4 2025

Source: CoStar Boston Office Market Report, Q2 2026, licensed to MANSARD [2].

What This Means for Owners: Active corporate leasing in Waltham, Burlington, and Cambridge signals continued tenant demand in these submarkets. Properties with available space or near-term lease expirations are well-positioned to attract user-buyers who want to control their occupancy costs rather than remain subject to lease renewals.

Who Is Buying

Understanding the Buyer Landscape in 2026

Before you go to market, you need to know who will actually compete for your asset. The buyer composition in Greater Boston's suburban office market has shifted significantly.

Based on recent Greater Boston suburban office transaction data: 48% of buyers are private investors, 33% are institutional, and 19% are users. Only 8% of sellers have been users — meaning owner-occupiers are holding their assets and, in some cases, expanding ownership rather than selling.

Three Buyer Types Driving the Market

  • User-Buyers: Purchasing to control operations, secure long-term cost certainty, and take advantage of current pricing adjustments. Often all-cash. Most active in smaller to mid-sized transactions.
  • Private Investors: The dominant buyer type at 48%. Focused on lower-basis acquisitions with clear value-add or repositioning potential. Particularly active in Marlborough, Framingham, and Bedford.
  • Institutional Capital: Targeting trophy assets and well-leased properties in Cambridge, Newton, and Lexington. Require a clear income story and institutional-quality documentation.

What Buyers Are Underwriting

  • User Ownership: Buyers want to control operations, secure long-term cost certainty, and take advantage of current pricing adjustments.
  • Covered Land & Repositioning: Investors targeting a low basis where existing income supports the hold while exploring alternative use potential.
  • All-Cash Execution: Buyers are prioritizing certainty over leverage — and pricing has adjusted to a level where leverage is less critical to getting the deal done.

MANSARD Strategy

We Don't Start With a Listing.
We Start With Strategy.

Most owners make the decision to sell too late — or go to market before they fully understand their options. MANSARD was built to change that.

  • Know what your Greater Boston office property is worth today
  • Identify the right buyers for your specific asset and location
  • Decide if selling, holding, or repositioning makes the most sense
  • Build a strategy to maximize value before going to market

88.9% of MANSARD's recent sales closed on-time and at the client's accepted offer price. That outcome is determined before the property ever goes live.

Schedule a Pre-Sale Strategy Call

A short conversation can help you understand what your office property is worth, who the right buyers are, and how to approach a sale the right way.

Schedule a Pre-Sale Strategy Call Call (617) 674-2043

Confidential. No obligation. No pressure.

Client Results

What Greater Boston Office Owners Say

"We used MANSARD to help us reposition and sell a 40,000 SF suburban commercial office building. They were fantastic, well read in the market place and helped us realize our projected returns. Would highly recommend their services."

Bob Macnamara
Office Investor

"Jeremy did a great job with the entire process. He is very smart and great at making everything go smoothly. I would recommend MANSARD for anyone looking to sell or rent commercial property."

Mitchell Smith
Private Investor

"MANSARD was a partner through the whole process. From the initial leasing of a temporary space to the acquisition of our own building. I like the personal touch and sense of expertise that came with working with MANSARD."

Norbert Johnson
Globus Medical

Frequently Asked Questions

Greater Boston Office Market: Common Questions

Yes — but the market is highly selective. Over the past 12 months, Greater Boston suburban office properties recorded $1.4 billion in sales volume, with 416 properties sold and an average sale price of $3.6 million. Properties are trading when pricing, positioning, and strategy align. Assets with a lower basis relative to replacement cost, existing or potential user demand, and clear repositioning paths are the ones moving.

Cambridge leads all Greater Boston towns with $2.30 billion in total office sales volume from 2017 through YTD 2026, followed by Waltham at $1.19 billion and Burlington at $1.16 billion. Cambridge's dominance is driven by its concentration of life sciences, biotech, and technology tenants.

The buyer composition shows 48% private investors, 33% institutional buyers, and 19% users. All-cash buyers are increasingly common, as they prioritize certainty over leverage. User-buyers are particularly active in smaller to mid-sized transactions, purchasing to control their operations and secure long-term cost certainty.

The answer depends on your specific asset, its position in the local market, your financial goals, and your tax situation. The key questions to answer before making that decision are: What is your property worth today? Does selling now make sense given current pricing and buyer demand? What are the capital gains and 1031 exchange implications? MANSARD's Pre-Sale Strategy process is specifically designed to help you answer these questions before committing to any path.

The Greater Boston office market has an overall vacancy rate of approximately 15.1% as of Q2 2026, according to CoStar. However, this varies significantly by submarket. Cambridge and Waltham have tighter conditions than the overall average, particularly for Class A and Trophy assets. The structural trend is improving: the market posted positive net absorption of 1.1M SF in Q1 2026 — the first positive quarter since 2022.

MANSARD's process begins with a confidential Pre-Sale Strategy Call — no obligation, no pressure. From there, we conduct a Strategic Asset Evaluation: we evaluate your asset, its performance, and its position in the Greater Boston market. We identify the likely buyers and how to position your property to create demand. We then help you decide whether to sell, hold, or reposition. This approach is why 88.9% of MANSARD's recent sales closed on-time and at the client's accepted offer price.

Sources: [1] Mueller-Chacon Real Estate Market Cycle Forecast, Q4 2026 Estimates, February 2026. Franklin L. Burns School of Real Estate & Construction Management, University of Denver. | [2] CoStar Boston Office Market Report, Q2 2026. Licensed to MANSARD Commercial Properties. | Vol = Total recorded sale price volume. $/SF = Average sale price per square foot weighted by total SF sold. Transactions between $1M–$100M.