Do I need a permit for window replacement in
Eastpointe, Michigan?

Eastpointe window replacement permits — the key details

Michigan's adopted building code exempts 'repair' work, which Eastpointe interprets narrowly: replacement of windows in the same opening, with the same frame dimensions, same operable type (double-hung, slider, casement), and no change to opening size or sill height. The City of Eastpointe Building Department's online permit portal and over-the-counter intake both recognize this exemption, but the exemption is contingent on meeting ALL current energy code and egress requirements at the time of replacement. This is the critical local pivot: even if your 1975 bedroom window was installed 48 inches above the floor, a 2024 replacement window in that same frame still must provide code-compliant egress (sill height ≤44 inches per IRC R310.1.2, or a plan-B egress path). Eastpointe does not grandfather old non-compliant sill heights; the code applies at the moment you submit a replacement. If your inspection reveals the sill is too high, the permit becomes mandatory and you may face an egress-upgrade order — typically a header-height reduction and sill-lowering, which costs $3,000–$8,000 per window and requires structural review.

Egress windows in bedrooms are the single biggest trigger for permit requirements in Eastpointe. IRC R310.1 defines a bedroom as any sleeping room in a dwelling unit. If your home has a basement bedroom, or a first-floor bedroom with a window, and that window's sill height exceeds 44 inches above the interior floor, or its net opening area is less than 5.7 square feet, you cannot simply drop in a like-for-like replacement and skip the permit. Eastpointe's Building Department enforces this through final inspection; they will physically measure sill heights and opening dimensions on any bedroom window flagged in the permit application or spotted during inspection. Michigan's climate zone (5A south, 6A north) also drives U-factor requirements: IECC 2021 sets a maximum U-factor of 0.32 for vertical glazing in climate zone 5A, and 0.30 for zone 6A. If your existing aluminum window has a U-factor of 0.5 or higher (common in pre-2000 stock), and you're in a climate zone that now requires 0.30-0.32, the replacement window's energy rating may trigger a code-review conversation or a request for an IECC Certificate of Compliance (a one-page form signed by the window manufacturer, $0 cost, but you'll need to verify it). Eastpointe does not typically demand energy-code compliance for every replacement window in a non-historic, owner-occupied home, but if the new window is significantly larger, higher-SHGC (solar heat gain), or listed as a major renovation, the city may require certification.

Historic-district properties in Eastpointe require a design-review approval before ANY exterior work, including window replacement. Eastpointe has a local Historic Preservation Commission (HPC) or equivalent overlay district; the exact boundaries and approval process are managed through the Planning Department, not Building. If your property is within the overlay, you must submit a Certificate of Appropriateness (COA) or similar design-review application to the Planning Department BEFORE you pull a building permit. This step takes 2-4 weeks (one Planning Commission meeting cycle) and may require you to match muntin patterns, frame depth, material type (wood vs. aluminum), and color to the original. The HPC may reject vinyl replacements on a historic wood-frame house, or deny a switch from 6-over-6 to single-pane contemporary. Once you have the COA in hand, the building permit is usually straightforward, but without it, the Building Department will reject the permit application. Costs for HPC review are typically $0 (no separate fee for the COA, only the building permit), but the design review adds time and may force a custom-window order (wood, true divided lights, etc.) costing $600–$1,200 per window vs. $250–$500 for a standard vinyl replacement.

Eastpointe's specific permit portal and over-the-counter intake process streamline like-for-like replacements. The city offers online permit filing through its local system (available at the city website or the Building Department's public counter at City Hall). For a like-for-like window replacement with no egress issues and no historic-district location, the permit application is minimal: property address, window count, description ('Window Replacement — Same Opening'), and a simple sketch or photo showing the existing condition. The fee is typically $75–$150 for 1-4 windows, with each additional window adding $20–$30. Eastpointe's standard timeline for a like-for-like, no-inspection-required exemption is instant (online, next business day); if a permit is needed, plan for 1-3 weeks for plan review and final inspection (one inspector visit, 30 minutes). If the city identifies an egress non-compliance during intake or inspection, expect a back-and-forth clarification email, a revised plan, and possibly a structural engineer's letter if the sill-height correction requires a header modification. Owner-builder work is allowed in Eastpointe for owner-occupied residential projects, so homeowners can pull the permit and perform the installation themselves; however, if an egress deficiency is discovered, the city may require a licensed contractor's sign-off or a third-party inspection.

Tempered glass requirements apply in Eastpointe per the Michigan Building Code adoption of the IBC. Windows within 24 inches of a door opening (sliding glass doors, French doors), and all glazing in wet areas (bathrooms over tubs/showers, saunas) must be tempered or laminated. If you're replacing a window in a bathroom, above a kitchen sink, or adjacent to an exterior door, confirm that the new window meets this requirement. Many standard replacement windows are NOT tempered glass unless explicitly specified; you'll need to request tempered glass at time of order, adding $50–$150 per window and a 2-4 week lead time. Eastpointe's code officials will spot-check this on final inspection, especially in bathrooms and kitchens. The Michigan Building Code also requires that all replacement windows in occupied residential buildings meet the U-factor and air-leakage standards in effect at the time of installation; manufacturers' specification sheets must match the climate zone. Eastpointe does not typically demand sealed-envelope testing for individual window replacements in existing homes, but you should retain the window spec sheets and installation photos for your records and for resale disclosure.

Three Eastpointe window replacement (same size opening) scenarios

Eastpointe's historic-district overlay: the planning-department step most homeowners miss

Eastpointe's downtown and several historic neighborhoods are protected by a local historic-district overlay. Properties within the overlay are subject to design-review approval from the Eastpointe Planning Department or Historic Preservation Commission before ANY exterior work is permitted. This includes window replacement, even if the opening size is unchanged. Many homeowners don't realize this is a SEPARATE step from the building permit. You cannot go directly to the Building Department and pull a permit; the Planning Department must sign off first. The COA (Certificate of Appropriateness) or design-review approval is not a permit itself, but rather a clearance that allows the Building Department to issue a building permit.

The HPC's typical criteria for historic windows are: material (wood preferred, wood-clad aluminum acceptable, vinyl often rejected), muntin pattern (true divided lights or simulated divisions matching the original), frame profile (depth and molding consistent with the era), and hardware (original brass or period-appropriate replacement). If your 1910 Victorian had 6-over-6 wood double-hungs, the HPC will likely require you to replace with 6-over-6 wood or wood-clad, not 1-over-1 vinyl. Custom wood windows can cost $800–$2,000 per window, compared to $250–$500 for standard vinyl. The HPC process typically runs one monthly meeting cycle (2-4 weeks) from submission to approval.

If the HPC denies your proposed replacement (rare, but it happens if you submit vinyl windows for a wood-frame Victorian), you have the option to appeal or resubmit with revised specifications. The appeal process is outlined in Eastpointe's local Historic Preservation ordinance. Many homeowners avoid the HPC step by simply not replacing windows in historic homes, which can lead to deteriorated original windows and water damage. A proactive conversation with the Planning Department early in your project (before ordering windows) will save time and money.

Michigan's climate zone and IECC U-factor requirements for Eastpointe window replacements

Eastpointe straddles climate zones 5A (southern portion) and 6A (northern portion), with a frost depth of 42 inches across the city. Michigan adopted the 2021 IECC (International Energy Conservation Code), which sets maximum U-factors (thermal transmittance) for vertical glazing. In climate zone 5A, the maximum U-factor for residential windows is 0.32; in climate zone 6A, it's 0.30. This means that when you replace a window, the new window must meet these U-factor thresholds. Many older aluminum windows (pre-2000) have U-factors of 0.5-0.7, so a modern replacement window is a dramatic energy improvement. However, the code does NOT explicitly require you to upgrade your old non-compliant window to current standards; rather, it prohibits INSTALLING a new window that does not meet the current standard. In practice, this means that all replacement windows sold in Michigan today meet the IECC U-factor requirement, so you're automatically compliant when you buy from a reputable retailer.

The manufacturer's specification sheet for any replacement window will list the U-factor. When you submit a building permit (if required) that involves a window replacement, Eastpointe may ask to see the window specification sheet to verify energy compliance. You do not need to hire an IECC inspector or engineer for a single-window replacement; the manufacturer's label and spec sheet are sufficient. If you're replacing multiple windows as part of a 'substantial renovation' (defined as work affecting >25% of the building's exterior surface), Eastpointe may require an IECC Certificate of Compliance, which is simply a one-page form signed by the window installer or manufacturer confirming that all windows meet the U-factor requirement. This does not add significant cost or time, but you should be aware of it.

Eastpointe's 42-inch frost depth is typical for southern Michigan and does not directly affect window replacement, but it does affect any sill-lowering work associated with an egress-compliance upgrade. If you're modifying the header or lowering a sill to meet egress code, the foundation, rim board, and any below-grade wall sections must account for frost depth to prevent heaving and structural failure. This is why egress-related work typically requires a structural engineer's review, adding 1-2 weeks and $300–$800 in engineering fees.

Common questions