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*The Angi rating for Antique And Jewelry Appraisal companies in Knowlton, NJ 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 Knowlton, NJ 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 May 01, 2026

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Mallory Mattina
New to Angi
Appraisal - General

Serving Knowlton, NJ and surrounding areas

In business since 2020

Free estimates

Emergency services offered

Mallory Mattina is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

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Antiques and Jewelry Appraisals questions, answered by experts

Yes, built-in bookshelves can be worth the investment and can add value to your home, especially when constructed from high-quality, timeless materials like luxury hardwood. They offer a practical and stylish storage solution that utilizes wall space effectively. While they cost more than store-bought units, the custom fit and potential to increase your property's resale value make them a desirable feature for many buyers, particularly for homeowners with large book collections. For the best return on investment, consider having them professionally built.

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.

Land doesn’t depreciate in the same way that a house, vehicle, or other property does, but it can lose value based on various factors. Environmental changes, nearby development, zoning changes, and economic downturns can all cause land to lose value over time. Value is a comparative figure, so as other related factors change, so can land’s value.

In most cases, you can expect home automation to boost your home value. This technology makes the homeowner’s life easier and more comfortable, and some provide increased safety and protection. Buyers will likely recognize value in security systems and utility monitors, as well as comfort-focused upgrades that save on electric bills while keeping interior rooms at the desired temperature and humidity. On average, you can expect a 50% and 75% return on investment on home automation services, and potentially even more if the automation reduces homeowner’s insurance.

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 Knowlton, NJ 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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