If you own a co-op in New York City, you've learned that you don't quite own your apartment — you own shares in a corporation and a proprietary lease to live in your unit. That distinction is exactly why electrical work in a co-op runs through the board, via an alteration agreement, before a single wire is pulled.
This trips up a lot of homeowners. The electrical work itself might take two days; getting it approved can take two months if the package is wrong. After 20 years of putting electrical alterations through NYC's most demanding boards, here's how the process actually works — and how to keep it from derailing your project.
What an alteration agreement actually is
An alteration agreement is a contract between you (the shareholder) and the co-op corporation that governs any modification to your unit. For electrical work, it sets out what you're allowed to do, who's allowed to do it (licensed and insured contractors only), the building's rules for the work, and your responsibility for any damage. It exists to protect the building and the other shareholders — which is why boards take it seriously.
Condos work similarly but are usually somewhat less restrictive, since condo owners hold title to their units. Either way, the documentation is much the same.
When you actually need board approval
The line varies by building, but as a general guide:
- Usually no approval needed: swapping a light fixture, replacing an outlet or switch like-for-like on existing wiring, changing a dimmer.
- Approval almost always needed: new circuits, panel upgrades, rewiring, adding outlets, EV chargers, anything that touches the building's risers or service, and anything requiring a DOB permit.
Don't guess wrong. Doing approval-required work without it can mean fines, forced removal, and a very unhappy board. When in doubt, check your building's alteration policy or ask the managing agent — and assume approval is needed for anything beyond a simple swap.
What's in a co-op electrical alteration package
A complete package is what gets you approved. Here's the standard set of documents we prepare:
- Scope-of-work letter — a clear, specific description of exactly what electrical work will be done, on letterhead, signed by the licensed electrician.
- Master electrician license — proof your contractor holds a valid NYC master electrician license.
- Certificates of insurance (COI) — general liability and workers' compensation, with the co-op corporation and managing agent named as additional insured, at the coverage limits the building requires. This is the single most common cause of rejections when done wrong.
- Load letter (when required) — an engineer's or electrician's confirmation that the building's electrical service can support the added load (see below).
- DOB permit info — confirmation that required permits will be filed.
- Signed alteration agreement — the building's own contract, completed and signed.
We assemble this entire package as part of any co-op job, so you're not chasing documents — see our apartment electrical service and permits & inspections.
The load letter question
For anything that adds significant electrical load — an in-unit panel upgrade, an EV charger, a large AC system — the board often wants confirmation that the building's service can handle it. That's the load letter: a calculation showing the added load is within the building's capacity. In older buildings with tight service, this matters, and getting it right early prevents a mid-project surprise. We perform the load calculation and provide the letter where required.
How to get approved on the first submission
The difference between a two-week approval and a two-month ordeal is almost always the completeness of the first submission. The most common reasons packages bounce:
- Insurance certificates that don't name the co-op and managing agent as additional insured, or have insufficient limits,
- A vague scope of work the board can't evaluate,
- Missing load letter for load-adding work,
- An unlicensed or improperly licensed contractor.
Because we prepare these constantly, we know each building's quirks and submit complete, specific packages that clear demanding boards on the first pass. That's not a small thing — it can save a month.
Timeline & what to expect
Plan for the approval process to add a few weeks to a couple of months to your project, depending on how often your board (or its reviewing architect) meets and reviews submissions. Build that into your timeline, especially if the work is tied to a move-in or renovation schedule. Once approved, the electrical work itself is usually the quick part, performed within the building's permitted work hours.
Co-op or condo electrical work? We handle the board, too.
We prepare the complete alteration package — scope letter, license, insurance certificates, and load letters — to clear your board on the first submission, then do the electrical work right. One call, whole process handled.
📞 (877) 976-7353 Get a free quote →Frequently Asked Questions
Do I need board approval for electrical work in my NYC co-op?
Almost always, yes — beyond simple like-for-like fixture or outlet swaps, most electrical work (new circuits, panel changes, rewiring, EV chargers) requires an alteration agreement and board approval. The exact threshold is in your building's alteration policy, but when in doubt, assume approval is needed.
What's in a co-op electrical alteration package?
Typically: a scope-of-work letter, your contractor's master electrician license, certificates of insurance (general liability and workers' comp) naming the co-op and managing agent as additional insured, sometimes an engineer's load letter confirming the building can support the work, and the signed alteration agreement itself.
How long does co-op board approval take for electrical work?
It varies by building — anywhere from a couple of weeks to a couple of months, depending on how often the board or its architect reviews submissions. A complete, correct package on the first submission is the single biggest factor in speed; missing documents cause the longest delays.
Can I install an EV charger in my co-op?
Often yes, with board approval and usually building sub-metering so your charging is billed to you. It requires the full alteration package plus coordination on where the charger and circuit run. We handle the process regularly across NYC co-ops.
