What happens if you skip the permit (and you needed one)
- Stop-work order and $500–$1,500 fine from Murrysville Building Department if a neighbor complaint or lender inspection triggers an audit; you'll then pay double permit fees to re-pull.
- Insurance claim denial if a roof leak or wind damage occurs and the insurer discovers unpermitted work during subrogation—typical payout reduction is 25–50% of claim value or full denial.
- Refinance or home-equity-line block: lenders' appraisers flag unpermitted roofing, and you cannot close without a retroactive permit ($250–$400) and often a structural inspection ($800–$1,200).
- Resale disclosure hit and buyer leverage: Pennsylvania requires disclosure of unpermitted work; buyers often negotiate $3,000–$8,000 off sale price or demand permit-and-inspection completion before closing.
Murrysville roof replacement permits — the key details
The core rule in Murrysville is IRC R907.4, which the city enforces strictly: if your roof currently has three layers of shingles, a tear-off is mandatory before new material is installed. Two-layer roofs may be overlaid IF you meet underlayment and fastening specs, but the city's permit application requires you to declare the number of existing layers in writing—assessor records or a field inspection by the contractor (or city inspector) will verify. If you understate the layer count and a 3-layer condition emerges during framing inspection, the permit is suspended, a stop-work order is issued, and you must obtain a variance ($200–$400 additional fee) or perform a full tear-off. This happens more often than contractors admit, especially in older neighborhoods like the near-east side near Riverview Park where homes built in the 1970s–1990s often have two overlays already. Murrysville Building Department's intake staff (located at City Hall, 4100 Pinegate Drive, Murrysville, PA 15668) will ask for a scope-of-work form that includes existing layer count, new material type, and underlayment specification. Bring photos of the current roof, a diagram showing deck condition, and if you're changing material (shingles to metal or architectural composition), note that in the application because it triggers a structural engineer's review if the deck is more than 30 years old.
Climate zone 5A presents a specific constraint: ice-and-water-shield (also called self-adhering synthetic underlayment) must extend a minimum of 24 inches up the roof slope from the eaves, and it must be applied over at least the first course of deck sheathing. This is not optional in Murrysville—it's part of the city's adoption of IRC R905.1.1, which requires secondary water barriers in cold climates. Why? Murrysville sits at roughly 1,000 feet elevation in the foothills of the Appalachian plateau, with average winter lows near 25–28 degrees Fahrenheit and frequent freeze-thaw cycles. Snow melt followed by sudden cold creates ice dams along eave lines, forcing water under shingles. If your permit application omits ice-and-water-shield or specifies it only 12 inches up, the plan reviewer will reject it with a request for revision—this adds 3–5 business days to the approval cycle. Many DIY homeowners and small contractors miss this, thinking ice-and-water is optional if they're using 'quality shingles,' but Murrysville's building department does not waive it. Similarly, if you are adding roof vents, skylights, or converting from 3-tab to architectural shingles, you must specify fastening pattern and fastener type (typically 6 per shingle for architectural; 4 per shingle for 3-tab). The permit application includes a materials checklist; have your contractor fill it out completely before you submit.
Murrysville does not use a fully online permit portal; intake is in-person at City Hall, Monday through Friday, 8 a.m. to 5 p.m. (hours subject to change—call 724-325-6451 to confirm). You cannot email or submit online. This is different from neighboring municipalities like Plum or East Huntingdon, which have portal systems. The city's intake staff will review your application on the spot if complete, and for a like-for-like single-family roof replacement with no structural concerns, approval is often same-day or next-business-day (over-the-counter). Permit fees for residential roofing are typically based on roof area: $100–$250 for roofs under 2,000 square feet, $250–$400 for larger homes. A sample fee schedule (verify with the department) runs approximately $0.08–$0.12 per square foot of roof area, plus a flat $50 inspection fee. If you're doing a tear-off (which involves disposal of old material and potential hazardous-waste certification for asbestos shingles installed before 1980), the city will require you to state disposal method and contractor licensing. Murrysville requires roofing contractors to hold a Westmoreland County building license or Pennsylvania contractor license; owner-occupants performing their own replacement on their primary residence are exempt from licensing, but you still need the permit. This is an unusual permission in Pennsylvania—many townships do not allow owner-builder roofing—so take advantage of it if you are doing the work yourself.
Inspections occur at two points: after deck nailing is complete and visible (before underlayment is installed) and after final shingle installation. The city's inspector will verify deck fastening (typically 8d or 10d nails, 6 inches on center along rafter lines, or as specified in the permit), check underlayment seams and ice-and-water-shield extent, and confirm that flashing around penetrations (chimneys, vent pipes, skylights) is properly sealed and fastened. If you are overlaying (on a 2-layer roof), the inspector will also check that old nails are still engaged and the deck is not cupped or soft. If any section of deck is soft, spongey, or showing signs of rot, the permit will require you to repair or replace that section before proceeding—this can add 1–2 weeks and $1,000–$5,000 to the project. Murrysville's Building Department does schedule inspections typically within 2–3 business days of request; during heavy season (spring/early summer), delays to 5–7 days can occur. Once the final inspection passes, you receive a Certificate of Occupancy or permit card in the mail, which you should keep with your home records.
One often-missed rule specific to Westmoreland County and the Murrysville area: if your home was built before 1980 and you are doing a tear-off, the city will ask whether the existing shingles contain asbestos. Homes built in the 1960s–1970s commonly used asbestos-cement shingles or asbestos-laden felt underlayment. You are not required to test, but if you discover or suspect asbestos, you must hire a licensed asbestos abatement contractor (not a regular roofer) to remove it. This adds $2,000–$6,000 to the project and 2–3 weeks to the timeline because the abatement contractor must obtain a separate permit from Westmoreland County Environmental Services. The city's permit staff will advise you on this during intake. Additionally, if you are replacing a roof on a property that is part of a homeowners association (common in newer subdivisions near Route 22), verify that your HOA bylaws do not require architectural approval before you pull the permit—this is separate from the city permit but can delay project start by 2–4 weeks if you are out of compliance.
Three Murrysville roof replacement scenarios
Why Murrysville's three-layer rule exists and how it affects your timeline
In the 1980s–1990s, many Pennsylvania contractors and homeowners routinely overlaid deteriorating roofs without removal, creating 3-, sometimes 4-layer assemblies. By the early 2000s, building code bodies recognized a serious problem: each layer of shingles adds weight (roughly 2–3 pounds per square foot per layer), and older homes with undersized or partially rotted rafters were not designed to handle 10–15 pounds per square foot of cumulative roof load. Additionally, water can be trapped between layers, accelerating rot that is invisible from below. The IRC (adopted by Pennsylvania and enforced by Murrysville) responded by mandating in R907.4 that a roof with three or more existing layers must be completely torn off before new material is installed. Murrysville Building Department interprets this strictly: if your permit application states 'two layers' and an inspector or contractor discovers a third layer during tear-off, the permit is halted, and you must obtain a variance or comply by doing a full tear-off. This rule has no exceptions. The implication for your project is simple: if you are unsure of layer count, hire the contractor to do a punch-through inspection (they remove a small section of shingles to count layers beneath—cost $150–$300, takes 30 minutes) before you apply for the permit. This single step avoids a 1–2 week delay and a $400 variance fee. In Murrysville, which has a large stock of homes built 1960–1985, layer-count surprises occur in roughly 20–30% of roof replacements, so plan for this risk.
The timing impact is significant. A like-for-like overlay on a confirmed 2-layer roof typically receives permit approval within 1 business day (over-the-counter approval at City Hall), and inspections can be scheduled within 2–3 days. Total job timeline: 2–3 weeks from permit to final inspection. A tear-off due to three layers, however, adds 1–2 weeks because the city requires a full deck inspection after tear-off (to identify rot and structural issues), and any deck repair must be completed and inspected before new underlayment is installed. If rot is found, you are also waiting for a contractor to patch or sister-cut joists, which adds 3–5 days. In cold or wet weather, tear-off debris removal and deck drying can add another week. Murrysville does not impose strict weather windows, but inspectors will not approve new underlayment or shingles on a wet deck, so late fall or early spring projects can slip 1–2 weeks due to moisture.
A practical tip: when you first contact a roofer, insist that they visit the property and provide a written layer count and deck condition assessment before submitting the permit application. This costs you $100–$200 upfront but saves $1,000–$2,000 in change orders and delays. Also, if your home was built before 1980, ask the roofer to sample the old shingles or felt for asbestos and obtain a lab report or a written non-asbestos certification. Murrysville is not the strictest jurisdiction on asbestos enforcement, but if discovered during tear-off, work stops immediately, and you are required to hire a licensed abatement contractor—a delay that can blow a project timeline from 3 weeks to 8 weeks.
Ice-and-water-shield in climate zone 5A and why Murrysville enforces it strictly
Murrysville is in IECC climate zone 5A, characterized by cold, humid winters, significant snow load (average 40–50 inches annually in the area), and freeze-thaw cycles. The city experiences roughly 6,000 heating degree days per year and frequent temperature swings from below 0 degrees Fahrenheit to above 32 degrees within a single day during late winter and early spring. This creates ideal conditions for ice dams: snow accumulates on the roof, then melts due to interior heat loss, refreezes at the eaves (which are colder because they overhang and receive no interior heat), and forces meltwater backward under the shingle tabs, where it leaks into the attic and walls. Murrysville's adoption of IRC R905.1.1 requires ice-and-water-shield—a self-adhering, synthetic membrane—to be installed as a secondary barrier over the first course of deck sheathing, extending a minimum of 24 inches up the roof slope from the eave edge. The reason for the 24-inch requirement is that this is the typical extent of the 'cold zone' on a residential roof in climate 5A; anything beyond 24 inches typically does not form ice dams because the roof interior heat is sufficient to keep it above freezing.
Many homeowners and even some contractors assume that quality asphalt shingles with an ice-and-water-shield rated at 'high wind' or 'architectural' grade is sufficient, and that the ice-and-water-shield can be applied only to the bottom 12 inches of eave. Murrysville's plan reviewers and inspectors will reject this. The city's position is documented in the permit review checklist: 24 inches minimum, measured vertically up the roof slope from the eave edge, with a minimum 6-inch overlap at seams, and with all seams taped or sealed to prevent water infiltration. If your contractor applies ice-and-water-shield only to the bottom 12 inches, the final inspection will fail, the shingles will have to be temporarily lifted, and the shield will have to be extended—a 1–2 day delay and an additional $200–$400 cost. To avoid this, specify on your permit application 'Ice-and-water-shield, 24 inches from eave, self-adhering synthetic, 6-inch seam overlap, taped.'
In practice, the 24-inch rule also means that homes with deep eaves or cathedral ceilings may require more underlayment than a simple shingle-count replacement. If your home has 18-inch eaves and the roof slope is shallow (4:12 or less), the 24-inch vertical measurement translates to 30+ linear feet of shield per eave line on a typical 1,800 square-foot ranch. The cost of premium ice-and-water-shield is roughly $0.80–$1.20 per square foot, so a full eave treatment runs $300–$500 for an average home. This is a mandatory cost in Murrysville, not an upgrade, so factor it into your budget. Some roofers try to save money by specifying a cheaper tar-paper felt underlayment instead of ice-and-water-shield, but Murrysville's inspectors will flag this and require the shield. The city's enforcement is not arbitrary—it reflects real insurance data showing that homes in climate zone 5A without proper ice-and-water-shield experience 3–4 times higher rates of attic and wall water damage compared to homes with the 24-inch shield installed correctly.
Murrysville City Hall, 4100 Pinegate Drive, Murrysville, PA 15668
Phone: 724-325-6451 (permit line; verify hours before calling)
Monday–Friday, 8:00 a.m.–5:00 p.m. (subject to change; confirm with city)
Common questions
Do I need a permit if I'm just replacing gutters and downspouts?
No. Gutter and downspout replacement, even if done during a roof replacement, is exempt from permitting in Murrysville. However, if you are modifying drainage (e.g., adding a new downspout to discharge into a dry well or storm drain that does not exist), the city's stormwater division may require a separate stormwater approval. For a typical like-for-kind gutter replacement, no permit is needed.
Can I use metal roofing instead of asphalt shingles, and does it require a different permit?
Yes, you can use metal roofing. A material change from asphalt to metal triggers a structural review if the home is more than 30 years old because metal roofing has a different load profile (usually lighter, but with concentrated fastening points). The permit fee is the same ($150–$300), but the plan-review cycle may extend 5–7 business days to confirm that the roof deck and framing can support the new material and fastening pattern. Metal roofing also requires specific underlayment and ventilation details; specify these in your permit application to avoid rejection.
What happens if I discover asbestos in my shingles during tear-off?
Stop work immediately and call a licensed asbestos abatement contractor. Do not let your regular roofer handle it. The abatement contractor will obtain a separate Westmoreland County permit and remove the material properly, typically costing $3,000–$6,000 and adding 2–3 weeks to your timeline. Your primary roofer can resume work after abatement is complete and documented. Murrysville requires proof of proper asbestos disposal (a receipt or manifest from a licensed landfill) before the city will issue final approval.
Can I pull my own permit as a homeowner, or must my contractor do it?
You can pull your own permit in Murrysville for your primary residence; owner-builders are exempt from licensing requirements. However, you must apply in person at City Hall with a complete scope of work, existing-layer count, material specifications, and underlayment details. Most homeowners hire their contractor to handle the permit application as part of the job, which is simpler. If you do pull it yourself, bring photos of the existing roof and a tape measure to document deck condition.
How long does the city take to approve a roof-replacement permit?
For a like-for-like overlay on a 2-layer roof with no structural concerns, approval is same-day or next business day (over-the-counter). For a tear-off or material change, expect 5–7 business days because the plan reviewer or a third-party engineer must evaluate deck condition and structural capacity. Murrysville does not have a formal 'days-to-approve' policy, but in practice, simple permits move quickly and complex ones take 1–2 weeks.
What if my roof fails inspection? Can I appeal or get a variance?
If your roof fails final inspection (e.g., improper fastening, incomplete ice-and-water-shield, or faulty flashing), your contractor must correct the deficiency and request a re-inspection within 5–10 business days. If you believe the city's interpretation of the code is incorrect, you can request a meeting with the Building Official to discuss the issue. A formal variance or appeal requires a written request to the city's Zoning Hearing Board, which is a separate process (not a building permit matter) and typically costs $300–$500. Most inspection failures are corrected on site within 1–2 days, so variance appeals are rare.
Is my roof still under warranty if I don't pull a permit?
Most manufacturer warranties for asphalt shingles are not voided by lack of a permit, but they may be compromised if the installation is found to violate code (e.g., improper fastening or underlayment). More importantly, if an insurance claim is filed and the insurer discovers unpermitted work, the claim can be denied entirely or partially. For this reason, always pull the permit—it protects your warranty and your insurance coverage.
Can I do a roof replacement in winter in Murrysville?
Technically yes, but inspectors will not approve underlayment or shingles on a wet or frozen deck. If you tear off in late fall and the weather turns cold or wet, the deck may take several days to dry, delaying the installation and final inspection. Spring and summer are the preferred seasons for roof work in Murrysville. If you must work in winter, plan for 1–2 week delays due to weather.
Do I need an engineer's report if I change from asphalt to a heavier material like slate or concrete tile?
Yes. Slate and concrete tile are significantly heavier than asphalt shingles (slate is roughly 8–10 pounds per square foot vs. 2–3 pounds for asphalt). Murrysville requires a structural engineer's certification that your roof deck and framing can support the added load. This adds $800–$1,500 to the project cost and 2–3 weeks to the timeline. It is not optional, and the permit will not be approved without the engineer's letter.
What is the difference between a partial repair (exempt) and a replacement (permit required)?
Murrysville follows IRC R903: repairs involve fixing defects in less than 25% of the roof area and do not require a permit. Replacements involve 25% or more of the roof and require a permit. If your roofer tells you a repair is just 10 squares (1,000 square feet) on a 2,000 square-foot roof, that is a 50% replacement, not a repair—a permit is required. The threshold is based on total roof area, not just the visible damage. If you are uncertain, assume a permit is needed and err on the side of caution; the permit fee ($150–$300) is cheaper than fines or insurance denial.