Search This State
Last updated: May 2026
Commercial real estate clients in Detroit pay an average of $7.30/SF in CAM charges each year. Under Michigan 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.
Detroit CAM Benchmark
Detroit's commercial real estate market has undergone a structural transformation over the past decade. The downtown and Midtown cores have been reshaped by Bedrock (Dan Gilbert's real estate arm), which now controls a significant portion of the Class A and Class B office inventory in the central business district. That concentration of ownership creates a specific dynamic for tenants: when a single operator manages dozens of buildings, accounting methodologies can be standardized, but errors in those methodologies also scale across the entire portfolio.
Beyond downtown, the metro's office market extends into a ring of suburban centers with very different characteristics. Troy, anchored by the Big Beaver Road corridor, houses corporate offices for automotive suppliers, financial services firms, and technology companies. Southfield contains a large inventory of 1970s and 1980s office buildings, many of which have been repositioned or are under pressure from vacancy. Auburn Hills serves the automotive sector with a mix of R&D facilities and traditional office. Each of these submarkets operates under NNN lease structures where tenants pay direct pass-throughs of operating expenses, while downtown properties more commonly use full-service gross leases.
Michigan provides tenants with a six-year statute of limitations on written contract claims under MCL § 600.5807. That window covers multiple reconciliation cycles, giving tenants the opportunity to recover overcharges that have accumulated over several years. Detroit's high municipal property tax rates (among the highest in the nation) make property tax pass-throughs a particularly large component of CAM charges, increasing the dollar impact of any allocation errors.
<p>After testing reconciliation samples from published audit cases through CAMAudit, four overcharge patterns appear with notable frequency across Detroit metro commercial properties.</p>
<p>Bedrock's downtown Detroit portfolio and other Class A office buildings in the CBD and Midtown predominantly use full-service gross leases with base year structures. The overcharge occurs when the landlord suppresses the base year by deferring maintenance, postponing vendor contract renewals, or timing discretionary capital work so that costs fall outside the base year period. Downtown Detroit has seen waves of building renovation, and properties that undergo significant capital investment before a new tenant moves in can produce artificially low base year expense levels. When operating costs normalize in year two, the tenant pays escalations that would not exist against a properly set baseline. CAMAudit's base year error detection flags year-over-year expense jumps that are statistically inconsistent with normal operating cost escalation.</p>
<p>Detroit levies one of the highest effective property tax rates in the United States, with combined city, county, and school district millage rates that can exceed 70 mills. For commercial real estate clients, property taxes frequently represent the single largest line item on a CAM reconciliation. The overcharge surfaces when the landlord allocates taxes using a methodology that does not match the lease, such as using gross building area when the lease specifies net rentable, including tax amounts for parcels not covered by the tenant's lease, or failing to pass through credits from successful Tribunal appeals. The Michigan Tax Tribunal provides a formal process for challenging assessments, and landlords who win reductions should credit tenants accordingly. CAMAudit's tax overallocation rule compares the allocated amount against the lease-defined methodology and flags discrepancies. Given Detroit's high millage, even small percentage errors in tax allocation translate into large dollar amounts.</p>
<p>Management fees in the Detroit metro typically range from 3% to 5% of operating expenses. Farbman Group, Friedman Real Estate, and Kojaian Management operate significant office portfolios across the metro's suburban markets. The overcharge pattern emerges when the management fee is calculated on an expense base that includes categories the lease explicitly excludes. Capital expenditures, tenant improvement costs, and real estate taxes (in some leases) should be carved out before the fee percentage is applied. In properties that have changed management companies, the new manager's reconciliation software may default to applying the fee to gross expenses without configuring the exclusions specific to each lease. CAMAudit's management fee rule checks the fee base against your lease's defined inclusions and exclusions.</p>
<p>Many suburban office leases in Troy, Southfield, and Auburn Hills include controllable expense caps that limit the year-over-year increase in landlord-controllable operating expenses (typically 4% to 6% annually). These caps are designed to protect tenants from sudden spikes in discretionary spending. The overcharge occurs when the landlord exceeds the cap, either by miscalculating the compounded cap amount, by including non-controllable items (like taxes and insurance) in the controllable pool, or by resetting the cap base after a lease renewal when the lease specifies cumulative compounding. CAMAudit's controllable expense cap rule tracks the compounded cap limit year over year and flags any reconciliation that exceeds the permitted ceiling.</p>
Michigan commercial lease law is contract-based. There is no standalone statute requiring landlords to provide itemized CAM backup or granting tenants an automatic audit right. Your ability to review books, challenge charges, and recover overcharges depends on the specific terms of your lease.
The six-year statute of limitations under MCL § 600.5807 applies to breach of written contract claims, which is the standard legal framework for CAM overcharge disputes. This gives Michigan tenants a substantial recovery window. If a property tax overallocation has persisted for five years, you may still have time to pursue recovery for the full period.
Most institutional leases in the Detroit metro include an audit clause permitting the tenant to inspect the landlord's books within a defined period (typically 90 to 180 days) after receiving the annual reconciliation. Some clauses require the tenant to engage a CPA; others allow any qualified representative. Bedrock leases in downtown Detroit typically include audit provisions, but the scope and response timelines vary by property.
Michigan courts enforce lease provisions as drafted. If your lease imposes a 120-day audit window and you miss the deadline, the landlord can argue the claim is waived. CAMAudit's automated analysis gives tenants a fast initial screen so they can identify potential overcharges within days of receiving a reconciliation, preserving the audit window for formal follow-up.
For dispute resolution, the Michigan Tax Tribunal handles property tax assessment challenges, which can indirectly affect CAM disputes if a successful appeal reduces the tax bill. For contractual CAM disputes, many Detroit leases include mediation or arbitration clauses. CAMAudit generates dispute letter drafts grounded in your audit findings, providing a factual starting point for negotiations.
<p>Detroit's submarkets differ significantly in property age, ownership concentration, tax burden, and lease structure. Understanding the norms in your submarket helps identify anomalies in your reconciliation.</p>
Downtown Detroit and Midtown are dominated by Bedrock's portfolio, which includes Class A office towers, renovated historic buildings, and mixed-use properties. Full-service gross leases with base year escalations are standard. The primary CAM risks are base year manipulation (particularly in recently renovated properties), expense reclassification where capital costs are charged as operating expenses, and management fee calculations that do not match individual lease terms. The concentration of ownership under Bedrock means that accounting methodologies are often standardized across the portfolio, but tenants should still verify that their specific lease terms are reflected in their reconciliation.
The New Center area, north of Midtown, contains a mix of historic office buildings and institutional properties. Buildings here tend to be older, and deferred maintenance is a recurring issue. The primary CAM risk involves capital expense reclassification, where major building system repairs or replacements (boilers, roofing, windows) are charged as operating expenses in a single year rather than amortized over their useful life. Tenants in New Center should scrutinize large one-time line items that correspond to building infrastructure work.
Troy is the premier suburban office market in metro Detroit, with Class A buildings along Big Beaver Road housing automotive, financial, and technology tenants. NNN leases dominate. Kojaian Management and other firms operate multi-building campuses where shared infrastructure costs are allocated across tenants. The most common billing issues involve controllable expense cap violations and pro-rata share errors in buildings that have been remeasured or that have changed tenants. Detroit's high property taxes make tax allocation errors particularly costly in this submarket.
Southfield contains a large inventory of office buildings dating to the 1970s and 1980s. Many of these properties are experiencing elevated vacancy, which creates a specific CAM risk for remaining tenants: as vacancy increases, the remaining tenants absorb a larger share of fixed operating expenses unless the lease includes a gross-up provision. Farbman Group and Friedman Real Estate manage significant Southfield portfolios. Tenants should verify that their reconciliation applies the gross-up correctly and that the landlord is not passing through costs attributable to vacant space without proper adjustment.
Auburn Hills serves the automotive sector with a mix of corporate offices, R&D facilities, and flex space. NNN leases are standard. The CAM risk here often involves specialized building systems (clean rooms, testing facilities, server farms) whose utility and maintenance costs should be allocated only to the tenants using those systems. Office tenants in buildings that also house R&D operations should confirm that energy-intensive lab or testing space costs are not blended into the general operating expense pool.
Metro Detroit office and retail tenants average 12-16% CAM overcharges driven by property tax assessment volatility in Wayne, Oakland, and Macomb counties [industry estimate]
Downtown Class A Office: Full-service gross leases with base year structures carry base year manipulation risk. Bedrock's portfolio standardizes many accounting practices, but individual lease terms still vary. Verify that your specific exclusions are reflected in the reconciliation. Capital improvement costs for ongoing downtown renovation projects should be amortized, not charged as operating expenses.
Suburban Office (NNN): Troy, Southfield, and Auburn Hills properties follow standard NNN pass-through structures. The highest-impact issues are property tax overallocation (given Detroit metro's high millage rates), controllable expense cap violations, and management fees applied to excluded categories. CAMAudit's automated rules are calibrated to detect these patterns.
Mixed-Use / Adaptive Reuse: Downtown and Midtown contain converted industrial and warehouse buildings that combine office, retail, and residential uses. Office tenants should verify that their reconciliation isolates office-specific costs from residential or retail operating expenses. Allocation formulas in these buildings are often complex and non-standard.
Industrial / Flex: Office tenants in industrial parks or flex buildings should confirm that warehouse-specific costs (dock maintenance, heavy power, freight elevator operation) are not allocated to office space. The separation between office and industrial CAM should be defined in the lease, and the reconciliation should reflect it.
Detroit Tenants: Your 6-Year Recovery Window Is Shrinking
<p>A structured approach to CAM review can surface overcharges quickly. Here is how to get started.</p>
These institutional landlords operate significant commercial portfolios in Detroit. CAM reconciliations from large institutional owners often contain complex allocations that benefit from independent audit.
“I built CAMAudit because tenants in Detroit were paying $7.30/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.”
Next Best Step
These location pages work best when they hand you into the dispute path and the proof pages.
Move from local rights and deadlines into the dispute playbook.
Preview the findings and citations before you upload.
Route client lease materials and reconciliation to document the error.
Ready to skip the reading and document the overcharge directly?
Run a Partner CAM ReviewPartner intake, deterministic detection, branded reports, and dispute-letter drafts.
Apply for partner accessThis page provides general educational information. It is not legal advice and may not reflect the most current law in your state. Consult a licensed attorney for advice specific to your situation.