[{"data":1,"prerenderedAt":82},["ShallowReactive",2],{"guide-coop-condo-renovation-en-US":3},{"guide":4,"related":63},{"title":5,"seoTitle":6,"description":7,"summary":8,"sections":9,"faq":34,"cta":41,"date":43,"updated":44,"service":45,"order":46,"sources":47,"slug":61,"locale":62},"Alteration agreements and board approval for co-op and condo renovations","Co-op & Condo Renovation Approval","What NYC co-op and condo boards usually ask for before a renovation: alteration agreement, drawings, insurance, work hours, deposits and wet-over-dry rules.","Before work starts, most co-ops and many condos require a signed alteration agreement, plans, the contractor's insurance certificate and a deposit. Approval often takes several weeks, so submit early.",[10,18,23,30],{"heading":11,"list":12},"What the board usually asks for",[13,14,15,16,17],"Alteration agreement signed by you","Scope of work and, for larger jobs, architect's drawings","[Contractor license](https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fproperty-or-business-owner\u002Fknow-your-construction-professional.page) and certificate of insurance naming the building and managing agent","Work schedule and expected duration","Refundable security deposit and review fees",{"heading":19,"paragraphs":20},"Rules that shape the design",[21,22],"Many buildings do not allow wet areas such as kitchens and bathrooms to be placed over a neighbor's dry rooms. This wet-over-dry rule often determines where [a new bathroom or kitchen](\u002Fguides\u002Fkitchen-bathroom-planning) can go.","Some buildings also limit kitchen exhaust, washer-dryers, gas work and changes to risers. Ask the managing agent for the building's rules before you design.",{"heading":24,"list":25},"During the work",[26,27,28,29],"Work hours are set by the building, [commonly weekdays during business hours](https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fproperty-or-business-owner\u002Fafter-hour-variances-info.page)","Elevator and hallway protection, and booked elevator use for deliveries","Daily cleanup of common areas","Inspections by the building's architect or engineer on some jobs",{"heading":31,"paragraphs":32},"Timing",[33],"Board review commonly takes several weeks, and longer if the building's engineer has questions. In a co-op, the corporation signs the [Department of Buildings application](https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fproperty-or-business-owner\u002Fhome-improvement-contractor-permit-requirements.page) as owner, so the DOB filing follows board approval; the architect's drawings can be prepared in the meantime. In a building built before 1987, a DOB filing also needs [an asbestos assessment (ACP-5)](https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fdob\u002Fproject-requirements-asbestos.page). Many alteration agreements cap the duration of the work and charge a daily fee beyond it, so settle the schedule before signing.",[35,38],{"q":36,"a":37},"Is a condo stricter than a co-op?","Condos are usually less strict, but they still have alteration rules and insurance requirements. Review your building's bylaws or ask the managing agent.",{"q":39,"a":40},"Who prepares the paperwork?","The owner signs the agreement, the contractor supplies the insurance certificate, license and schedule, and the architect supplies drawings when needed. We prepare our documents and help you assemble the complete package.",{"text":42},"Send the building's alteration agreement and a description of the planned work. You receive, at no charge, a written estimate, with our license and insurance certificate prepared for the board package. A checklist of the documents the board requires is provided as part of the contracted work.","2026-10-24","2026-10-25","kitchen",8,[48,52,55,58],{"title":49,"url":50,"publisher":51},"Home Improvement Contractor Permit Requirements","https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fproperty-or-business-owner\u002Fhome-improvement-contractor-permit-requirements.page","NYC Department of Buildings",{"title":53,"url":54,"publisher":51},"After Hour Variances","https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fproperty-or-business-owner\u002Fafter-hour-variances-info.page",{"title":56,"url":57,"publisher":51},"Know Your Construction Professional","https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fproperty-or-business-owner\u002Fknow-your-construction-professional.page",{"title":59,"url":60,"publisher":51},"Project Requirements: Asbestos","https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fdob\u002Fproject-requirements-asbestos.page","coop-condo-renovation","en-US",[64,68,73,78],{"slug":65,"title":66,"description":67,"service":45,"date":43,"updated":44},"kitchen-bathroom-planning","Planning a kitchen or bathroom renovation in NYC","Decisions to make before you get estimates: scope, layout, electrical capacity, ventilation, waterproofing, lead times and budget contingency.",{"slug":69,"title":70,"description":71,"service":72,"date":43,"updated":44},"contractor-vs-diy","When hiring a contractor costs less than doing it yourself","Why hiring a licensed contractor in NYC or Long Island can cost less than DIY once trade pricing, rework and permits are counted.","renovation",{"slug":74,"title":75,"description":76,"service":72,"date":43,"updated":77},"compare-contractor-estimates","How to compare contractor estimates","A practical checklist for comparing renovation and electrical quotes in New York: scope, allowances, exclusions, permits, payments, license and insurance.","2026-10-26",{"slug":79,"title":80,"description":81,"service":72,"date":77,"updated":77},"home-improvements-taxes-when-you-sell","Which Home Improvements Reduce Your Taxes When You Sell?","How capital improvements, energy credits and utility rebates change a New York home's cost basis and the taxable gain above the $250,000 \u002F $500,000 home sale exclusion.",1793066401106]