Roof Leak Repair in Ann Arbor, Michigan

Roof leak repair in Ann Arbor starts with a tracing problem: water enters high and travels far before it drips into living space. The city’s roof inventory makes that problem worse — century homes in the Old West Side and Burns Park carry steep planes with original chimneys and valley metal; mid-century ranches across the southeast run long low slopes where ice dams seed every winter; 1980s–90s builder roofs are reaching the age where pipe boots and sealants fail in clusters. Add Washtenaw County’s freeze-thaw swings and the leak never announces itself at the shingle — it announces itself as a February ceiling stain or a musty corner in a bedroom. Water Damage Pros US traces roof leaks to their true entry point and repairs both the envelope and the interior damage in one scope.

Common Roof Leak Points We Fix

• Chimney flashing failures — Step and counter flashing separating from century brickwork on Old West Side and Burns Park homes.
• Valley metal wear — Water concentrated in valleys cuts through aging metal before any shingle fails.
• Ice dam entry at eaves — Winter melt working up under shingles along the dam line.
• Pipe boot cracking — Rubber and neoprene boots split after 15–20 years of Michigan sun and freeze cycles.
• Skylight perimeters — Curb flashing and sealant failure on units installed decades ago.
• Ridge vent and cap shingles — Wind-lifted ridge caps opening the roof’s peak line to rain.
• Nail pops and fastener backing — Freeze-thaw working nails out of aged decking, creating pinhole entries.

The Leak Repair Process

1. Tracing — Electronic leak detection, hose testing, and moisture mapping run the water backward from the stain to the entry.
2. Interior protection and extraction — Active drips contained; wet insulation and ceiling material extracted before drying.
3. Entry point repair — Flashing rebuilt, boots replaced, valley metal renewed, or damaged shingles woven in.
4. Cavity drying — Attic spaces and wall cavities dried with directed airflow to verified baseline.
5. Interior restoration — Stain sealing, drywall or plaster repair, texture matching, and repaint of affected ceilings and walls.
6. Verification — Water test confirms the repair holds before the interior work is signed off.

Roof Leak Repair Costs in Ann Arbor

Repair	Typical Range	Notes
Leak tracing and diagnosis	$200 – $450	Credited toward repair
Flashing repair or rebuild	$400 – $1,600	Chimney, valley, and eave metal
Pipe boot and vent replacement	$200 – $600	Per penetration
Shingle section repair	$300 – $1,400	Woven-in matching
Skylight reflashing	$600 – $2,000	Curb and perimeter seal
Interior drying and repair	$800 – $4,500	Ceiling, wall, insulation
Combined scope	$1,500 – $6,000+	Entry point plus interior

Roof Age Maps to Leak Risk

Ann Arbor’s roof age splits into three repair populations. Pre-1950 steep roofs in the historic core leak at detailing — chimneys, valleys, and eave lines — while their planes hold for decades. Mid-century low-slope ranches leak at eaves and penetrations, with ice dams claiming the winter share. Builder roofs from the 1980s–2000s are now in the replacement-or-repair window where boots, sealants, and underlayment fail together. Knowing which population your roof sits in tells you whether you’re budgeting for spot repairs or planning replacement — and the inspection says which.

After the Repair: Keep Water Moving Off

The repair conversation includes drainage, because roof health and foundation health share a system: gutters cleared so eaves don’t back up, downspouts extended so roof water doesn’t feed the clay-soil perimeter, and attic ventilation verified so the deck stays cold enough to break the ice dam cycle. Homes that keep those three items handled convert most roof leaks from annual events to rare ones.

A ceiling stain is the last chapter of a roof leak, not the first. Trace the water backward before you patch anything forward — repairing the stain without finding the entry is how one February becomes every February.

Roof Leak Repair Across Ann Arbor

Water Damage Pros US traces and repairs roof leaks throughout Ann Arbor and Washtenaw County — Old West Side, Burns Park, Water Hill, Angell, the Malletts Creek corridor, Barton Hills, and surrounding townships — plus Ypsilanti, Saline, Dexter, and Chelsea, with emergency response when active leaks are running.