Historic appearance and roof details
For an Irvington property, check the address in PortlandMaps before assuming historic review applies or does not apply. Give the city photographs and a description of any proposed change in roof material, shape, or visible details. Ask which approvals apply before ordering products.
Compare the treatment of dormers, valleys, chimneys, and flashing in each replacement bid. If keeping a wood roof is part of your plan, discuss cedar product choices and maintenance with the contractor. Use the city guidance discussed in our historic roofing guide to prepare your questions.
Check permits for the property and work
Use the permit planning guide to identify the information your permitting office needs. Confirm the jurisdiction, building type, proposed material, structural changes, and any solar work. Ask about historic or other property-specific reviews separately. A neighborhood name does not establish the fee or approval schedule.
Compare bids with the same scope
Use the Irvington quote worksheet to organize contractor estimates. Compare quantities, exclusions, hidden-damage allowances, and access costs before comparing totals. A price from another house may cover a different roof assembly or amount of work.
Check who will perform the work
Before choosing a contractor, match the business name on the bid to its license record. Ask who supervises the installation, how changes need approval, and who handles warranty calls. This site provides information and referrals; the contractor is responsible for the work you agree with them.