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*The Angi rating for Property Appraisal companies in Sonoma, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Property Appraisal needs.

*The HomeAdvisor rating for Property Appraisal companies in Sonoma, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Property Appraisal needs.

Last update on March 17, 2026

Find Property appraisers in Sonoma

Avatar for Bay Area Real Estate Appraisals
Bay Area Real Estate Appraisals
4.9(
23
)
Appraisal - Real Estate

Serving Sonoma, CA and surrounding areas

Approved

In business since 1994

Free estimates

Small jobs welcome

"I can highly recommend Bay Area Real Estate Appraisals! Eric did thoroughly professional work & is a kind gentleman indeed. Thank you for such efficient & great work!"
Response time1 day
Response rate94%
1 neighbors recently requested a quote
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Avatar for Vallance Appraisals
Vallance Appraisals
5.0(
6
)
Appraisal - Real Estate

Serving Sonoma, CA and surrounding areas

In business since 1995

Free estimates

Credit card accepted

"Nancy was very professional, accurate and fast! I had many appraisals done in my properties thru the years and she has been the best by far. I highly recommend her!"
Bolinas Bay
Bolinas Bay
Entry of Subject
Orizaba Ave
NANCY AND CARRIE WORKING

+1

Response time7 hrs
Response rate91%
Recommended by100%of homeowners
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San Francisco Bay Area Appraisers
4.8(
5
)
Appraisal - Real Estate

Serving Sonoma, CA and surrounding areas

In business since 2008

Credit card accepted

Offers commercial services

"Pro: Quick same day service. Detailed and accurate appraisal report. Con: He should state ahead of time the fact the he wants payment before providing the appraisal report. I was expecting a report and an invoice, after agreeing to hire him over the phone, but it took lengthy conversation after the home visit to get him to produce the report. Ultimately all was well but this phone-arguing seemed unnecessary and unprofessional."
Response time2 hrs
Recommended by100%of homeowners
Request Quote
Avatar for Showcase Regional Housing LLC
Showcase Regional Housing LLC
5.0(
3
)
Appraisal - Real Estate

Serving Sonoma, CA and surrounding areas

In business since 2009

Free estimates

Credit card accepted

"The process started out strenuous but ended up being a breeze once I hired Showcase Regional Housing to do the all the tedious work."
Recommended by100%of homeowners
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Showing 1-10 of 26
Property Appraiser questions, answered by experts

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.

Xeriscaping can absolutely increase your home value, but the return on investment (ROI) depends on where you live and how prevalent xeriscaping is in your area. In drought-prone climates, xeriscaping can boost your curb appeal and make your home more appealing to buyers due to the reduced maintenance and watering costs. However, in areas where xeriscaping isn’t the norm, some buyers may be willing to pay less for a xeriscaped property if they don’t like the appearance.

If installing board and batten fixes an issue with the home, it could increase the value, but it isn’t commonly installed for that purpose. Board and batten is an aesthetic choice and, like most aesthetic choices, will do little to raise your home’s value. That being said, certain design elements can help attract more buyers, even if your home’s price won’t see a noticeable bump. 

While there’s technically no limit to the dollar amount you can borrow for a home addition, the standard limit is around 80% of the value the addition is expected to add to your home. That means you could feasibly borrow up to $80,000 if an appraiser determines that the addition or bump out will add $100,000 in value to your property. You might also be limited by your debt-to-income ratio or credit score.

While a finished basement adds value to your home, it is assigned a different value than space on the main floors. An appraiser will assess the square footage of a finished basement at about 50% to 60% of the value of the square footage for the rest of your home. Appraisal value for a finished basement depends on your location’s real estate market and the specifics of the basement and how it was finished. 

The Sonoma, CA homeowners’ guide to property appraisals

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

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