Multi-Family Roof Replacement Process: From Bid to Punch List (MN)

A multi-family roof replacement — apartment, condo, or townhome community — takes 3 to 8 weeks of active work, but the full process from initial inspection through final lien waiver typically runs 4 to 9 months in Minnesota. Property managers and HOA boards who treat this like a residential reroof get burned on scheduling, tenant communication, code compliance, and warranty paperwork. This is how an experienced multifamily roofing contractor actually runs the job.

Phase 1: Pre-Bid (Weeks 0-4)

Drone & Walk Inspection

A real multifamily roofer doesn’t price from Google Maps. We deploy drone roof reports plus a physical walk on every building, IR thermal scans on flat roofs to find wet insulation, and core cuts on suspect areas. Photos and condition notes go into the bid package.

Building-by-Building Takeoff

Each building gets its own line item: square footage, slope, deck type, ventilation count, penetrations, drain count for flat roofs. This is what separates a real multifamily bid from a residential outfit pretending they can scale.

System Recommendation

Based on building type:

2-3 story townhomes: Architectural shingle (Class 4 hail-rated if hail history) or standing seam metal panel for low-pitch sections
3-4 story garden-style apartments: TPO single-ply (60-80 mil) on flat sections, architectural shingle on mansards and visible slopes
Mid-rise condos: TPO, modified bitumen 2-ply, or EPDM depending on roof drainage and parapet conditions
Townhome roofs with cathedral attic insulation: ventilation upgrade is mandatory or the new shingles will void warranty in 8-10 years

Bid Package Delivery

HOA Roofing Pro delivers a board-ready package: drone photos, takeoff, three pricing options (good/better/best), unit pricing for decking and ventilation, warranty paperwork, insurance certificates, references. Typical lead time: 7-10 business days from site visit.

Phase 2: Board Approval / PM Sign-Off (Weeks 4-8)

For HOA-owned properties, the bid goes through a board vote — see our HOA board vote process guide. For institutional apartment owners or property management companies, sign-off depends on the asset manager and capital budget approval cycle.

This is where most multifamily projects stall. Common delay sources:

Reserve study update needed before special assessment vote
Insurance claim coordination if hail/wind damage is in play
Owner vote required by bylaws for assessment over threshold
Capital approval process at the institutional owner level

Phase 3: Pre-Construction (Weeks 8-12)

Contract Execution

Signed contract names the association/owner as additional insured, includes manufacturer warranty registration, lien waivers schedule, payment schedule (typically: 0% deposit, progress payments tied to phase completion, final 10% retainage on punch list signoff).

Material Order

Lead times in 2026:

Standard architectural shingle: 2-3 weeks
Class 4 impact-rated shingle: 3-5 weeks (some colors longer)
TPO 60 mil white: 2-4 weeks
TPO specialty colors (tan, gray): 4-6 weeks
Standing seam panels: 4-8 weeks (custom fab)
Custom metal flashing: 2-3 weeks

Permits

Each Minnesota municipality requires a permit for roof replacement on multifamily. Larger cities (Minneapolis, St. Paul, Edina, Plymouth, Bloomington) require commercial permit with engineer stamp on uplift calculations for low-slope assemblies. Typical permit lead time: 5-15 business days.

Tenant / Owner Communication

Two notices minimum:

2 weeks before start: Project scope, schedule, contractor name and emergency contact, parking impacts, debris management
48 hours before each building: Specific start day, expected noise hours, deck patio / patio furniture instructions, vehicle relocation

HOA Roofing Pro drafts both notices for the board / property manager — bilingual (English/Spanish) on request.

Phase 4: Active Construction (Weeks 12-18)

Daily Process

For a 50-unit townhome community with 4 buildings:

Day 1 (per building): Tarp protection of landscaping, gutters, AC units, patios. Tear-off starts. Dumpsters staged.
Day 2: Tear-off completes. Deck inspection. Damaged sheathing replaced (per unit price). Ice-and-water shield to MN code at all eaves, valleys, penetrations. Synthetic underlayment installs.
Day 3-4: Shingle install. Drip edge, valleys, ridge ventilation. Step flashing at all sidewalls.
Day 5: Cleanup with magnetic sweep, gutter clear, debris haul, final site check.

Multiply by building count — typical pace: 1 building every 4-7 days weather permitting.

For TPO / Low-Slope Buildings

Slower pace due to mechanical fastening or fully-adhered installation, hot-air welding of seams, flashing fabrication. Expect 7-12 days per 10,000 sf roof section.

Safety & Code Compliance

Fall protection: full personal fall arrest above 6′ (OSHA 1926.501)
Warning line systems on flat roofs over 50′ from edge
Crane / boom lift operations with certified operators
Daily site safety meeting documented
Workers’ comp and GL certificates on file with property manager

Communication During Construction

HOA Roofing Pro assigns a project manager who provides:

Weekly progress email to board / PM with photos
24-hour emergency contact for water intrusion or owner complaints
Daily on-site superintendent who’s the single point of contact
Change order documentation BEFORE work proceeds — no surprise invoices

Phase 5: Punch List & Closeout (Weeks 18-20)

Walk-Through

Property manager / board representative walks every building with the project manager. Document:

Any landscaping damage requiring restoration
Gutter damage or paint scratches
Penetration sealants reviewed
Attic ventilation final count
Cleanup completeness

Warranty Registration

Manufacturer warranty (GAF Golden Pledge, Carlisle Total Roof, Owens Corning Platinum, etc.) registered with manufacturer within 30 days of completion. Workmanship warranty issued by contractor (typical: 10-25 years for multifamily). Both delivered to association in PDF and physical hard copy.

Final Documentation Package

As-built drawings (especially for low-slope assemblies)
Material data sheets and manufacturer certificates
Final lien waiver from contractor and all major suppliers
Insurance certificate covering completed operations
Final invoice and payment receipt
Photos of completed work — every building, every angle

Final Payment

10% retainage released after punch list signoff and final document delivery. This is the contract enforcement leverage — never release retainage before warranty paperwork is in hand.

Phase 6: Post-Closeout (Months 6-12)

6-Month Inspection

HOA Roofing Pro returns at 6 months and 12 months to inspect critical penetrations, sealant condition, attic moisture (for ventilation upgrades), and tenant-reported leaks. This catches workmanship issues before they become warranty disputes.

Annual Maintenance

For flat-roof buildings, twice-annual gutter clearing, drain inspection, and penetration check is included in extended workmanship warranties. For shingle roofs, annual visual inspection after major hail or wind events.

Common Multi-Family Project Failures

Residential contractor scales up — runs out of crew capacity, schedule slips 4-8 weeks
No drone / no per-building takeoff — change orders 15-30% over contract
Ventilation overlooked — new shingles fail at 8-10 years instead of 22-30
Tenant communication failure — board fields 50 angry calls in week 1
Warranty paperwork never registered — discovered at year 8 when there’s a leak
Code compliance shortcuts — ice-and-water shield only to drip edge, not warm wall
Insurance certificate doesn’t name HOA — association exposed if worker injured

How HOA Roofing Pro Runs Multifamily

We’ve built our entire operating model around multi-family work:

Dedicated multifamily project manager (not the same person doing your driveway-repair neighbor)
Crew capacity sized for 8-16 buildings per active project
Union or open-shop labor depending on owner preference and prevailing wage requirements
Direct accounts with GAF, Carlisle, Owens Corning, Atlas, IKO for material allocation in peak season
Drone roof reports on every bid — no exceptions
Board attendance at meetings before and during project
Parent company Sellers Roofing Company provides 30+ years of MN multifamily experience and bonding capacity

Frequently Asked Questions

How long does a multi-family roof replacement actually take?

For a 4-building, 50-unit townhome community: 4-6 weeks active construction, 4-9 months including bid, approval, and closeout. For a single 3-story apartment building with TPO: 2-4 weeks active.

Can tenants stay during construction?

Yes. Tenants remain in their units. Active work is daytime (7am-5pm typical). Tarp protection covers patios, vehicles relocated during direct overhead work.

What if it rains during a tear-off?

Standard practice: tear off and dry-in (felt + ice-and-water) the same day. Forecast monitored hourly. If active rain hits during tear-off, crew dries in immediately and resumes shingle install next clear day.

Do we need engineering calcs?

For low-slope (TPO, EPDM, modified bitumen) on buildings over 2 stories in most MN cities, yes — uplift calcs stamped by a licensed engineer are required for permit. HOA Roofing Pro coordinates this with our in-house engineer relationships.

What about siding damage from hail?

If your community had hail, siding likely needs replacement too. See our HOA siding replacement page. Combined roof + siding bids often run 8-15% less than separate contracts.

Ready to plan your multi-family roof replacement? Call (651) 627-5270 or request a board-ready bid. Free drone inspection, 7-10 business day turnaround on full bid package.