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.

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 cases where an appraisal comes in lower than an offer price, sellers might opt to lower their asking price to meet the appraisal, especially if the market is slow, and replacing the offer with a higher one may take a long time. Sellers can also offer to make repairs to boost the appraised value, hire another appraiser to get a second opinion, or just move on to another offer that isn’t contingent on the buyer getting a mortgage or an appraisal inspection.

The average cost for a home or property appraisal is about $355, with prices typically ranging from $250 to $500. The final cost is influenced by several factors, including the property's size, age, location, and how it compares to other homes in the area. Appraisals for larger, older, or non-conforming properties often cost more. While a single-family home appraisal usually costs between $300 and $400, appraising a multi-family home can range from $500 to $1,000 due to its increased size and complexity.