Boston, MA CAM Reconciliation Guide
Vacancy rates, property tax system, operating expense benchmarks, and market-specific CAM billing considerations for Boston, MA commercial landlords.
Current Vacancy Rates
Source: CBRE/JLL Q4 2025 Market Reports
Average CAM per Square Foot
Property Tax System
City of Boston Assessing Department / Municipal assessors
File abatement application with local assessor by February 1. Appeal to Appellate Tax Board (ATB) if denied. Annual reassessment.
~1.7-2.5% (varies by municipality; Boston commercial rate ~2.5%)
Key Submarkets
CAM Billing Considerations
- Life science/lab space creates unique CAM categories (HVAC intensity, clean rooms)
- Split tax rates — commercial rate higher than residential in Boston
- Seaport District flood/climate resilience costs emerging as CAM items
- Kendall Square lab space has specialized operating expense structures
- Older Back Bay buildings have complex base-year escalation structures
BOMA Boston
Market Context
Boston's concentration of life science and lab space creates specialized CAM categories not found in typical office buildings. The split tax rate means commercial properties pay significantly more than residential, making tax pass-throughs a key audit focus.
Related Resources
Reconcile Boston, MA Properties
CapVeri accounts for market-specific vacancy, local tax timing, and property-type-specific expense pools in your reconciliation.
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