Roof permit rules in Detroit, MI

Short answer: Yes, a roof replacement needs a permit in Detroit, MI. Try your own job value below: the calculator uses the fee rule Detroit has published.

7 rules in all. Every rule below is read from Detroit Buildings, Safety Engineering and Environmental Department (BSEED) and quoted. Detroit’s fee follows its published formula, below.

Checked October 9, 2026. Information, not legal advice: confirm with the building department before you start.

What the permit fee comes to

Declared value of the job in dollars

Detroit permit fee$612.33

Fee = the band's base amount + a rate per $1 of declared value past the band's start, across 5 bands. The bands step up at $2,000, $25,000, $100,000 and beyond. Extra Detroit charges such as plan review or state surcharges are not in this figure.

Detroit roof permit rules at a glance

Each row is one confirmed statement from an official page; a row says “Not confirmed” when we found none.
Permit for a roof replacement	RequiredDetroit's roof replacement/recovery handout says a permit must be obtained before starting work to recover or replace a roof. detroitmi.gov
Permit for a repair	Not confirmedWe could not tie permit for a repair to a sentence on a Detroit page.
Who files	Not confirmedNothing on Detroit's pages was specific enough to quote for who files.
Fee	Formula publishedFee = the band's base amount + a rate per $1 of declared value past the band's start, across 5 bands. The bands step up at $2,000, $25,000, $100,000 and beyond.
Inspections	StatedTwo inspections are required: one at the tear-off and one final. detroitmi.gov
Review time	Not confirmedWe could not tie review time to a sentence on a Detroit page.

The permit fee in Detroit

Fee = the band's base amount + a rate per $1 of declared value past the band's start, across 5 bands. The bands step up at $2,000, $25,000, $100,000 and beyond.

“The following general building permit fees are based on the project cost (design and construction cost) estimated using the square foot cost table copy attached: $2,000 or less Flat $271.43 Over $2,000 but not over $25,000 First $2,000 Base $271.43 Per $1,000 or fraction thereof over $2,000 Per $1,000 $34.09”

detroitmi.gov. Read on October 9, 2026.

“Over $25,000 but not over $100,000 First $25,000 Base $1,055.57 Per $1,000 or fraction thereof over $25,000 Per $1,000 $24.53 Over $100,000 but not over $500,000 First $100,000 Base $2,895.29 Per $1,000 or fraction thereof over $100,000 Per $1,000 $27.82”

detroitmi.gov. Read on October 9, 2026.

“Over $500,000 but not over $1,000,000 First $500,000 Base $14,024.05 Per $1,000 or fraction thereof over $500,000 Per $1,000 $26.24”

detroitmi.gov. Read on October 9, 2026.

Detroit's building permit fee for alterations and repairs is $271.43 flat for a project cost of $2,000 or less, then rises per $1,000 of project cost.

detroitmi.gov. Read on October 9, 2026.

Fee by declared value in Detroit, from its published formula
Declared value	Permit fee	Share of value
$8,200	$510.06	6.22%
$12,000	$612.33	5.10%
$16,700	$782.78	4.69%

What Detroit re-roofs actually declared

Across 2025, 183 Detroit re-roof permits made it through our filters. Half of them declared between $8,216 and $16,684; the median job was $12,000. At that median the formula gives $612.33, which is 5.10 percent of what was declared.

Year-by-year declared costs for Detroit

Detroit: permit for a roof replacement

Detroit's roof replacement/recovery handout says a permit must be obtained before starting work to recover or replace a roof.

“A permit must be obtained prior to starting work to recover or replace a roof.”

detroitmi.gov. Read on October 9, 2026.

Detroit: what to submit

The permit is requested with the #2 Building Permit Application (Additions, Alterations or Repairs).

“Building Permit Application (#2 – Application for Building Permit for Additions, Alterations or Repairs) may be obtained online at the City of Detroit website”

detroitmi.gov. Read on October 9, 2026.

Detroit: inspections

Two inspections are required: one at the tear-off and one final.

“Obtain two inspections: the first at the tear off and the second for final.”

detroitmi.gov. Read on October 9, 2026.

The handout lists 15 lb felt paper on the entire roof and ice and water shield at the eaves, extending at least 24 inches inside the exterior wall line.

“Use felt paper (15 lb.) on the entire roof. 3. Install ice and water shield at the eaves extending from the edge to a point at least 24 inches inside the exterior wall line.”

detroitmi.gov. Read on October 9, 2026.

Detroit: exceptions and extra rules

The handout bars new roof coverings over old ones when the old roof is water soaked or deteriorated, is wood shake, slate, clay, cement or asbestos-cement tile, or already has two or more roof coverings.

“New roof coverings shall not be installed without first removing existing roof coverings where any of the following conditions occur: 1. The existing roof or roof covering is water soaked or has deteriorated to the point that the existing roof or roof covering is not adequate as a base for additional roofing. 2. The existing roof covering is wood shake, slate, clay, cement or asbestos- cement tile. 3. The existing roof has two or more applications of any type of roof covering.”

detroitmi.gov. Read on October 9, 2026.

Detroit: where to apply

Detroit permit applications are made and managed through the city's online permit application portal.

Open the permit portal

“Apply for and manage your permit application using the online permit application portal.”

detroitmi.gov. Read on October 9, 2026.

Detroit: what we could not confirm

Review time. We did not find this stated on the Detroit pages we checked on October 9, 2026. Ask the Detroit permit office before you rely on it.

Questions

Do I need a permit to replace a roof in Detroit?

Detroit's roof replacement/recovery handout says a permit must be obtained before starting work to recover or replace a roof.

What does the Detroit roofing permit cost?

Fee = the band's base amount + a rate per $1 of declared value past the band's start, across 5 bands. The bands step up at $2,000, $25,000, $100,000 and beyond. For a job declared at $12,000 in Detroit the permit comes to $612.33.

Planning a re-roof in Detroit? Describe the job once and we send it to one local roofer, not five.

Start an inspection request

Other cities

Information, not legal advice. Rules change; every statement above carries the page it was read from and the date we read it. The city’s own text governs.