OAKLAND COUNTY PROPERTY TAX APPEALS
Oakland County Commercial Property Tax Appeals
Oakland County has some of Michigan's highest property values — and highest assessments. If your commercial property is over-assessed, we can help reduce your taxes. No fee unless we save you money.
May 31
Filing Deadline
20+
Years in MI
2nd Largest
MI County by Pop.
Michigan Filing Deadlines
Oakland County property owners must file with the Michigan Tax Tribunal by May 31. Once the deadline passes, you're locked into your current assessment for the year.
OAKLAND COUNTY PROPERTY TAX OVERVIEW
Property Tax Appeals in Oakland County, Michigan
Oakland County is Michigan's premier suburban commercial market — and one of its most demanding from a property tax standpoint. The county's commercial real estate inventory runs the full spectrum: the dense office corridors of Troy and Southfield, high-end retail along Big Beaver Road and Northwestern Highway, tech-sector campuses in Auburn Hills, and automotive supplier facilities throughout Pontiac and Waterford. The concentration of high-value properties creates significant assessment pressure, and the county's assessors have historically set commercial values at or above the upper bound of market support. Owners pursuing Michigan property tax appeals in Oakland County often find that their assessments reflect peak-year sales rather than current conditions — particularly as remote work has softened demand for suburban office product and aging retail centers have struggled with occupancy.
Oakland County's mass appraisal approach applies uniform value adjustments across broad property categories, which fails to capture the wide variance in performance between individual assets. A fully leased Class A office building in Troy is a fundamentally different investment from a partially vacant mid-rise in Southfield — yet the county's assessment methods often treat them similarly. When a commercial property changes hands, uncapping after a sale resets the taxable value to the full State Equalized Value (SEV), frequently producing a tax spike that compounds any existing over-assessment. The Michigan Tax Tribunal is the proper venue for challenging these values, but the process has strict procedural requirements and deadlines that must be respected. Understanding the key deadlines for 2026 — and their limitations — is essential for any owner who wants to pay only what the law requires.
Oakland County has over 60 municipalities, each with its own millage rates and assessment practices
Commercial properties are assessed at 50% of true cash value under Michigan law
The May 31 Michigan Tax Tribunal deadline is the hard cutoff for commercial appeals
The State Equalized Value (SEV) must equal 50% of true cash value — and it often doesn’t
Think your Oakland County property may be over-assessed? Request a free, no-obligation review and we'll tell you whether an appeal makes sense.


WHY OAKLAND COUNTY TAXES ARE SO HIGH
Challenges Facing Oakland County Commercial Property Owners
High Property Values
Oakland County's commercial properties rank among the highest-valued in Michigan. Assessors often set values above what the market supports, especially for aging office and retail properties in corridors like Big Beaver Road and Northwestern Highway.
Post-Sale Uncapping
When commercial property changes hands in Oakland County, the taxable value uncaps to the full State Equalized Value. Buyers in Troy, Southfield, and Farmington Hills often face sudden, dramatic tax increases after closing.
Corporate Relocations & Vacancy
As companies consolidate or relocate, vacancy rates climb — but assessments don't always adjust. Many Oakland County owners are paying taxes based on occupancy levels that no longer exist.
Aggressive Municipal Budgets
Oakland County municipalities depend heavily on commercial property tax revenue. Budget pressures can lead to assessments that favor the municipality's revenue needs over accuracy.
OAKLAND COUNTY APPEAL PROCESS
How We Handle Oakland County Property Tax Appeals
01
Free Assessment Review
02
File with Michigan Tax Tribunal
03
Negotiate & Resolve
OAKLAND COUNTY RESULTS
Recent Oakland County Savings
Shopping Centers
Oakland County, MI
/ Annual Savings
Banking
Oakland County, MI
/ Annual Savings
Office Portfolio
Troy & Southfield, MI
/ Annual Savings
Retail Center
Farmington Hills, MI
/ Annual Savings
WHY OAKLAND COUNTY OWNERS TRUST EPTA
Deep Experience in Oakland County Property Tax Appeals
Oakland County is home to some of Michigan's most sophisticated commercial real estate markets — and some of its most contested property tax assessments. Our team has spent nearly two decades building cases in Troy, Southfield, Pontiac, Farmington Hills, and every other Oakland County municipality, developing direct familiarity with how local assessors value different property types and where their methodologies fall short. That institutional knowledge allows us to build targeted appeals that go beyond generic comparable sales and address the specific factors — occupancy trends, lease-rate compression, deferred capital expenditures — that drive over-assessments in this market. See what our clients say about the results we've achieved across Oakland County, and let us apply the same rigor to your property.
You can file a petition directly with the Michigan Tax Tribunal by May 31 of the tax year. You do not need to go to the local Board of Review first for commercial properties. EPTA handles the entire process — from reviewing your assessment to filing your petition and negotiating with Oakland County. We build each Oakland County case using comparable sales, income data, and property-specific condition analysis to demonstrate that your assessed value exceeds true cash value — then negotiate directly with the municipality to reach a fair settlement. Read our step-by-step guide to the Michigan property tax appeal process to see how we approach each case. Most cases resolve without a formal Tribunal hearing. Start with a free review.
We represent owners of all commercial property types in Oakland County, including retail, office, industrial, multifamily, healthcare, and more — across Troy, Southfield, Pontiac, Farmington Hills, Bloomfield, Novi, and every other Oakland County community. We also handle special-use properties including auto dealerships, self-storage facilities, medical office buildings, and hospitality properties throughout Oakland County — each of which requires a distinct valuation approach that mass appraisal methods routinely overlook.
The deadline is May 31 of the tax year. This is the Michigan Tax Tribunal filing deadline and applies to all Oakland County commercial properties. Once it passes, you cannot appeal your assessment for that year. Because Oakland County has so many municipalities, assessment notices can arrive at different times — don't wait for a notice to begin your review. We recommend starting well in advance of May 31 to allow time for gathering property data and building your case. See all Michigan property tax deadlines for 2026.
When a commercial property sells in Oakland County, the taxable value uncaps to the full State Equalized Value (SEV). This often results in a significant tax increase for the new owner — especially in high-value areas like Troy, Birmingham, and Bloomfield Hills. Even after uncapping, the assessed value can be challenged if it's above fair market value. In some of Oakland County's highest-value communities, the gap between a long-held property's capped taxable value and the post-sale assessed value can be enormous — in some cases representing a doubling of the annual tax bill. Buyers who act quickly can often secure a reduced assessment in the same year they acquire the property. Learn more about how Michigan's uncapping rules work.
EPTA works on a contingency basis — you pay nothing unless we successfully reduce your assessment and save you money. There are no upfront fees, no retainers, and no risk. If we don't save you money, you owe us nothing. This fee structure means our interests are entirely aligned with yours — we only get paid when you see real, documented tax savings. To learn more about typical costs and what determines fee levels, visit our property tax appeal cost guide.
A strong Oakland County appeal is built on three categories of evidence: comparable sales of similar commercial properties in the area, income and expense data demonstrating the property's actual net operating income and how the assessor's implied cap rate compares to market, and physical condition documentation covering vacancy, deferred maintenance, or functional obsolescence the assessor failed to account for. The Michigan Tax Tribunal expects evidence that is credible, organized, and directly tied to a supported true cash value conclusion. For office properties in Southfield and Troy — where market conditions have shifted significantly — demonstrating actual lease rates and occupancy against the assessor's assumptions can be particularly powerful. Retail center owners along Oakland County's major corridors should also document anchor vacancies and sales-per-square-foot trends that affect value. Review our guide on what evidence wins a commercial property tax appeal to understand exactly what the Tribunal looks for. Our team compiles and presents this evidence package on your behalf, so you are not navigating the Tribunal's requirements alone.
Oakland County commercial appeals are not simple administrative filings — they involve technical valuation analysis, procedural compliance before the Michigan Tax Tribunal, and negotiation with experienced municipal attorneys who defend the assessor's position. An error in how comparable sales are selected, how income is capitalized, or how evidence is presented can undermine an otherwise valid case. Professional representation ensures your appeal is built on a defensible valuation methodology and presented with the rigor the Tribunal expects. On a contingency fee basis, there is no financial risk to hiring an expert: if we don't save you money, you owe nothing. Read about DIY vs. professional property tax appeals to weigh the options. Many Oakland County property owners who attempt a self-represented appeal find they leave substantial savings on the table because they lacked the market data or procedural knowledge to make their strongest case.
Yes, and for many buyers in Oakland County, filing an appeal shortly after acquisition is one of the highest-return actions you can take. When a commercial property changes hands, Michigan's Proposal A framework causes the taxable value to uncap to the current assessed value — a mechanism that can dramatically increase your annual tax obligation, particularly if the prior owner held the property for many years. Even after uncapping, you have every right to challenge the assessed value itself if it exceeds your property's true cash value. Post-purchase appeals in high-value communities like Birmingham, Bloomfield Township, and Troy are among the most common and most successful cases we handle. See our guide on appealing property taxes after a purchase for a step-by-step overview. Acting promptly is critical: the May 31 Michigan Tax Tribunal deadline applies regardless of when you closed on the property.
ALSO SERVING
Other Michigan Counties & Resources
Michigan Property Tax Appeals — Statewide overview and all counties we serve
Wayne County Property Tax Appeals — Detroit, Dearborn, Livonia, and more
Kent County Property Tax Appeals — Grand Rapids, Wyoming, Kentwood, and more
How to Appeal Commercial Property Taxes — Step-by-step guide
2026 Property Tax Appeal Deadlines — Key filing dates
Get a Free Property Tax Review — No fee unless we save you money
KEEP LEARNING
Related Resources & Guides
Michigan Property Tax Deadlines 2026 — Key dates for Oakland County commercial owners
What Evidence Wins a Tax Appeal — How to build a case the Michigan Tax Tribunal accepts
How Michigan Uncapping Works — What buyers in Troy and Southfield need to know
Macomb County Tax Appeals — Industrial and retail appeals across the Tri-County region
Appealing After a Purchase — Steps for new Oakland County property owners
Commercial Assessment Guide — How Michigan assessors value office and retail property

IS YOUR OAKLAND COUNTY PROPERTY OVER-ASSESSED?
Get a Free Oakland County Property Tax Review
Nearly 20 years of experience with Oakland County commercial property appeals. We know the assessors, the municipalities, and the May 31 deadline. No fee unless we save you money.
We serve owners of retail centers, office buildings, industrial warehouses, multifamily apartments, and healthcare facilities throughout Oakland County. Whether your property is in Troy, Southfield, Farmington Hills, or any other community, our team has the local knowledge to deliver results.
