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Last updated: May 2026
Commercial real estate clients in Seattle pay an average of $10.50/SF in CAM charges each year. Under Washington law, you have 6 years to recover overpayments, but that window shrinks with every reconciliation cycle you let pass. CAMAudit runs 20 forensic detection rules on your reconciliation statement in under fifteen minutes to find overcharges before time runs out.
Seattle CAM Benchmark
Seattle office leases typically set management fees at 3% to 5% of eligible operating expenses. In tech-anchored buildings with high operating costs (enhanced security, 24/7 HVAC for server rooms, premium common area finishes), the management fee base can be inflated if the landlord applies the percentage to categories the lease excludes from the eligible base. On a building with $5 million in annual operating expenses, applying a 4% fee to the gross total instead of the net eligible amount can overcharge tenants by $40,000 or more collectively. CAMAudit checks every management fee calculation against the lease-defined eligible categories.
South Lake Union and the Eastside feature numerous multi-building campuses managed under shared operating expense pools. When a landlord adds a new building phase or takes an existing building offline for tenant improvements, the total rentable area used to calculate each tenant's pro-rata share must update. Landlords who continue using the original square footage denominator cause existing tenants to absorb a larger share of common costs than the lease formula permits. CAMAudit compares the pro-rata share stated on each reconciliation against the lease-defined formula and flags any mismatch.
King County property assessments have increased sharply as Seattle's commercial real estate values have risen. Landlords pass these increases through to tenants, but the overcharge risk arises when landlords pass through the full assessed amount without crediting successful assessment appeals. If the landlord protests the assessed value and wins a reduction, the savings should reduce the tenant's tax pass-through. CAMAudit flags tax charges that exceed the final assessed amount after any appeals or adjustments.
Many Seattle office leases include a gross-up provision that allows the landlord to adjust variable operating expenses to reflect what those costs would be if the building were at a specified occupancy level (often 95%). The purpose is to prevent tenants in a partially occupied building from bearing a disproportionate share of variable costs. The overcharge occurs when landlords gross up expenses that should remain fixed (property taxes, insurance, structural maintenance) or apply the gross-up when the building is already above the occupancy threshold. CAMAudit checks both the occupancy trigger and the category eligibility for every gross-up adjustment.
South Lake Union is the epicenter of Seattle's tech economy, with Amazon occupying the majority of office space in the neighborhood. Non-Amazon tenants in mixed-use buildings here face specific risks around shared infrastructure costs for lobbies, security systems, and amenity spaces that serve a building population dominated by a single anchor tenant. The allocation methodology for shared costs in buildings with one tenant occupying 70% or more of the space should differ from a standard multi-tenant allocation, and reconciliation errors in this scenario tend to overcharge smaller tenants. Verify that your share reflects the actual allocation formula in your lease, not a simplified percentage.
Downtown Seattle and Pioneer Square contain a mix of Class A high-rises and renovated historic buildings. Full-service gross leases are common in the towers, where tenants pay a base year amount plus escalations. The primary risk in these buildings is base year manipulation: if the base year operating expenses were artificially low (due to vacancy, deferred maintenance, or a landlord concession), every subsequent year's escalation is inflated. Pioneer Square's historic buildings carry additional exposure around capital improvement costs for seismic retrofits and building system upgrades that should be amortized rather than expensed in the current year.
Bellevue's central business district has transformed into a major office market, with Meta, Amazon, and other tech firms driving demand for Class A space. New construction has brought modern buildings with complex shared amenity packages (fitness centers, conference facilities, rooftop terraces) whose operating costs get allocated across all tenants. Tenants should verify that amenity costs appearing on their reconciliation are permitted under their lease and allocated using the correct methodology. Some leases exclude amenity costs entirely or cap them.
Redmond and Kirkland house Microsoft's headquarters campus and a growing cluster of tech and biotech firms. The campus-style properties here create the same pro-rata share risks seen in South Lake Union: when new phases are built or existing buildings are renovated, the total campus area changes and the allocation denominator should update. Suburban office properties in this corridor also tend to have higher landscaping and parking maintenance costs, which landlords sometimes allocate inconsistently across buildings in a multi-property portfolio.
The SODO and Industrial District south of downtown Seattle contains warehouse, distribution, and light manufacturing space on NNN leases. Operating expenses here are lower than in office submarkets, but the percentage impact of errors can be just as significant. Common issues include property tax pass-throughs that do not reflect successful assessment appeals, insurance charges that include coverage for landlord-owned equipment excluded from tenant obligations, and maintenance costs for shared truck courts and loading areas allocated without reference to actual usage or the lease-defined formula.
Seattle tech office tenants see 18-24% CAM overcharges due to complex campus allocations for shared amenities and specialized building systems [industry estimate]
Seattle Tenants: Your 6-Year Recovery Window Is Shrinking
These institutional landlords operate significant commercial portfolios in Seattle. CAM reconciliations from large institutional owners often contain complex allocations that benefit from independent audit.
“I built CAMAudit because tenants in Seattle were paying $10.50/SF and had no fast way to check their landlord's math. A partner pricing audit that takes fifteen minutes should be standard practice, not a luxury.”
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