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TRUSTED BY DIAMOND BAR, CA HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon26
    Verified property appraisals reviews

Top-Rated Property appraisers in Diamond Bar - Updated Nov 2026

Avatar for Penny Smith Realtor/Appraiser
Penny Smith Realtor/Appraiser
5.0(
180
)
Appraisal - Real Estate

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 1978

Customers say: True professional

"This was an appraisal of a older condominium unit in a gated Southern California beach community for a trust administration. Unusual in that Penny did not have access to interior of the unit she had to appraise. She was very thorough in her research of the complex, and inspected a similar unit that was on the market, in addition to reviewing prior sales records and condition of the unit she appraised. Her comps were very good and it was clear that she'd done her due diligence to discern the appropriate sales, given the three different areas of buildout in the complex. She made a balanced and fair valuation of the property which was important for me to have as the Trustee, and reported on her considerations in good detail."
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+23

Response time7 hrs
Response rate100%
1 neighbors recently requested a quote
Avatar for James Beggs
James Beggs
4.9(
28
)
Appraisal - Real Estate

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2003

Free estimates

Small jobs welcome

"Angi is like a crazy one night stand that won't go away once she gets your number but the appraiser was very professional, knowledgeable, efficient and responsive."
5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Carlton Haugh Appraisal Services
Carlton Haugh Appraisal Services
5.0(
55
)
Appraisal - Real Estate

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 1994

Free estimates

Offers commercial services

"I needed an appraisal completed within a very short amount of time and Carlton delivered. He completed my home appraisal within a day. I really appreciate his professional and pleasant demeanor and his timely response to my request."
Response time5 hrs
Response rate96%
12 neighbors recently requested a quote
Avatar for Crossroad Properties
Crossroad Properties
4.9(
7
)
Appraisal - Real Estate

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2018

Free estimates

Customers say: Quality work

"Lonnie Apfel responded in a very timely manner when I called and requested a speedy appraisal of my property. Very professional and courteous. Thank you Lonnie for your in-depth market analyst in the value of my property plus the other related advice you gave me. I highly recommend Lonnie Apfel for your real estate needs."
Crossroad Properties
Crossroad Properties
Crossroad Properties
Crossroad Properties
Crossroad Properties

+2

Response time10 mins
Response rate88%
Recommended by100%of homeowners
Avatar for Appraise IT
Appraise IT
4.4(
41
)
Appraisal - Real Estate

Serving Diamond Bar, CA and surrounding areas

In business since 2001

Credit card accepted

"Very knowledgeable, professional, thorough, and completed the appraisal in the time she promised. We were highly impressed with her work and would recommend Appraise It to anyone needing a competent appraiser."
Response time5 days
Response rate100%
Recommended by94%of homeowners
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Property Appraiser FAQs, answered by experts

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. 

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.

The purpose of the home appraisal determines which party pays for it. You’re generally responsible for the cost if you need to know the current value of your home to refinance your mortgage, though in some instances the lender will pay for it. The buyer pays for the appraisal when they are applying for their mortgage.

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.

If you can’t find any records online, you’ll need to contact your county clerk’s office to do further research. They should have property records on file, or can at least point you in the right direction of who to contact. You can also speak with your neighbors about when their houses were built because they were likely built around the same time.

The Diamond Bar, CA homeowners’ guide to property appraisals

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