here's a general guideline for tipping a cleaning lady (house cleaner) in NYC:

1. **Standard Tipping Range**: A common guideline is to tip your cleaning lady around 15-20% of the total cost of the cleaning service. This range is similar to the tipping range for other service industries like restaurants.

2. **Flat Amount**: If you prefer to give a flat amount, you might consider tipping $20 to $50 per cleaning session, depending on the complexity of the job and the size of your home.

3. **Frequency**: If you have regular cleaning service, cleaning services new york city you might consider giving a larger tip during the holidays or at the end of the year as a token of appreciation for their consistent service.

4. **Quality of Service**: If the cleaning lady consistently provides exceptional service, you might want to consider tipping on the higher end of the range.

5. **Your Budget**: Ultimately, your tipping decision should also take into account your own financial situation. Tipping is a gesture of gratitude, and it's important to tip an amount that you're comfortable giving.

Please note that these are just general guidelines, and you should feel free to adjust the tip based on your circumstances and the level of service you receive. Additionally, tipping norms may have evolved since my last update, so it's a good idea to check with friends, neighbors, or online resources for more up-to-date information on tipping practices in NYC.