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*The Angi rating for Antique And Jewelry Appraisal companies in Hampton Bays, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Antique And Jewelry Appraisal needs.

*The HomeAdvisor rating for Antique And Jewelry Appraisal companies in Hampton Bays, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Antique And Jewelry Appraisal needs.

Last update on September 17, 2026

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Antiques and Jewelry Appraisals questions, answered by experts

Yes, installing a tennis court can be a worthwhile home improvement project that adds value to your property. The potential increase in value can range from $20,000 to $150,000, and in some cases, the return on investment can cover more than 60% of the installation cost. However, the impact on value heavily depends on the size of your property. For homes with multiple acres, a tennis court is often a valuable amenity. In contrast, for homes on smaller lots, installing a court can decrease the property's value because it consumes a significant portion of the usable yard space. It's crucial to consider your property size and the remaining usable yard before proceeding.

Whether or not new windows increase property taxes depends on where you live and by how much your upgrade increases your home’s value. Smaller projects likely won’t result in increased property taxes, but it’s always a good idea to err on the side of caution and check. Contact your local county appraisal department for the most accurate information about property taxes in your area. 

The cost to appraise a home depends on the type. Common types include:

  • Single-family homes: $300–$400

  • FHA or VA single-family homes: $400–$500

  • Condominium: $300–$500

  • Multi-family home: $500–$1,000

  • Apartment building: $1,500–$3,000

  • Commercial properties: $1,400–$10,000

  • Raw land: $1,000–$8,000

In most cases, installing a tennis court on your property will drive up your property taxes. Property taxes are determined, in part, based on improvements made to your property, which includes anything with a permanent foundation. Since most home tennis courts include a large concrete foundation, your property taxes will likely increase following the installation. A general rule of thumb is that if your project requires permits—like for a foundation or fencing for a tennis court—then your property taxes will be affected.

While there's not a lot of definite research, some experts suggest that an in-ground or wall-mounted basketball hoop can add value to your home by increasing curb appeal. In addition, having a basketball hoop is an attractive feature of a house since it promotes physical activity, especially for children.

The Hampton Bays, NY homeowners’ guide to antique and jewelry appraisals

From average costs to expert advice, get all the answers you need to get your job done.

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