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Verified Reviews for Property Appraisal pros in Diamond Bar, CA
*The Angi rating for Property Appraisal companies in Diamond Bar, 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 Diamond Bar, 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 January 07, 2026
Find Property appraisers in Diamond Bar

Penny Smith Realtor/Appraiser
Penny Smith Realtor/Appraiser
On site or virtual appraisals available. Single family, condo & 2-4 Unit income property appraisals. Current and back dated appraisals. Trusts, Estates. Real Estate Sales with customized service. Serving Southern California and Southern Nevada for over 25 years. CA Dept of Real Estate Lic #00573449 CA State Certified Appraier AR014019. NV Appraiser #A.02808753- CR
"It went very well. Penny is diligent, efficient and very pleasant to work with. She always got back to me when I had messages or phone calls. She never left me hanging, she always got back to me quickly. Easy to work with. I highly recommend her. It was $425 because it was done remotely ."
Kathryn N on August 2025
On site or virtual appraisals available. Single family, condo & 2-4 Unit income property appraisals. Current and back dated appraisals. Trusts, Estates. Real Estate Sales with customized service. Serving Southern California and Southern Nevada for over 25 years. CA Dept of Real Estate Lic #00573449 CA State Certified Appraier AR014019. NV Appraiser #A.02808753- CR
"It went very well. Penny is diligent, efficient and very pleasant to work with. She always got back to me when I had messages or phone calls. She never left me hanging, she always got back to me quickly. Easy to work with. I highly recommend her. It was $425 because it was done remotely ."
Kathryn N on August 2025

Carlton Haugh Appraisal Services
Carlton Haugh Appraisal Services
Carlton Haugh is a 5 star Appraisal Services company. We are 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.
"Carlton is the best!"
FRANK F on October 2024
Carlton Haugh is a 5 star Appraisal Services company. We are 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.
"Carlton is the best!"
FRANK F on October 2024

First Source Appraisal, Inc.
First Source Appraisal, Inc.
In your practice you may need EXPERIENCED APPRAISERS for a Real Estate property that may be the subject of Re-finance, Pre Listing/Selling, Line of Credit, Loan Modification, PMI removal, Tax Dispute, settlement, Various Family Trust and other legal proceeding. Included in the attached Resume are most of the services we are proficiently able to provide you with; We approach our services with due diligence, supportive data and comprehensive arguments in support of our conclusions in a manner that will stand to extreme scrutiny. **Please note, this is not a free service.**
"Excellent…first to respond"
Edward m on April 2024
In your practice you may need EXPERIENCED APPRAISERS for a Real Estate property that may be the subject of Re-finance, Pre Listing/Selling, Line of Credit, Loan Modification, PMI removal, Tax Dispute, settlement, Various Family Trust and other legal proceeding. Included in the attached Resume are most of the services we are proficiently able to provide you with; We approach our services with due diligence, supportive data and comprehensive arguments in support of our conclusions in a manner that will stand to extreme scrutiny. **Please note, this is not a free service.**
"Excellent…first to respond"
Edward m on April 2024

Randy M. Sonns, Certified Residential Appraiser
Randy M. Sonns, Certified Residential Appraiser
Randy M. Sonns, Certified Residential Appraiser, is who has been serving the greater Los Angeles county area for over two decades. The areas covered include the counties of Los Angeles, Orange and Ventura. Most reports are completed within 2 days of property inspection. I specialize in residential, condos, and 2 to 4 unit properties. These include custom built high-end properties. I do not perform appraisals for mobile and/or manufactured homes, land, personal property and commercial properties.
"Mr. Randy Sonns did a great job appraising our house. He’s very professional and awesome."
Londy T on October 2025
Randy M. Sonns, Certified Residential Appraiser, is who has been serving the greater Los Angeles county area for over two decades. The areas covered include the counties of Los Angeles, Orange and Ventura. Most reports are completed within 2 days of property inspection. I specialize in residential, condos, and 2 to 4 unit properties. These include custom built high-end properties. I do not perform appraisals for mobile and/or manufactured homes, land, personal property and commercial properties.
"Mr. Randy Sonns did a great job appraising our house. He’s very professional and awesome."
Londy T on October 2025

NorthStar Appraisal Services
NorthStar Appraisal Services
At NorthStar Appraisal Services, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. We specialize in quick turnarounds, affordable service and accurate and credible valuation products. Call today for a quote or an estimate.
"Jeanine was prompt, pleasant, and professional. She measured and photographed all aspects of the property. Appraisal report was prompt as promised. Would recommend this service."
Linda W on March 2025
At NorthStar Appraisal Services, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. We specialize in quick turnarounds, affordable service and accurate and credible valuation products. Call today for a quote or an estimate.
"Jeanine was prompt, pleasant, and professional. She measured and photographed all aspects of the property. Appraisal report was prompt as promised. Would recommend this service."
Linda W on March 2025
DA Appraisals
DA Appraisals
We take great pride in our experience, expertise, quality and customer service, that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship, and complete customer satisfaction, from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate, with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large, or small the job. Call us today!
"I was selling a multi family property off market and reached out to Danny Alvarez at DA appraisals. He was professional, reliable, and did an excellent job. Would absolutely recommend and hire again."
Ryan R on February 2025
We take great pride in our experience, expertise, quality and customer service, that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship, and complete customer satisfaction, from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate, with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large, or small the job. Call us today!
"I was selling a multi family property off market and reached out to Danny Alvarez at DA appraisals. He was professional, reliable, and did an excellent job. Would absolutely recommend and hire again."
Ryan R on February 2025

Crossroad Properties
Crossroad Properties
My name is Lonn Apfel. I have been both a licensed, general appraiser and a real estate broker for over the last 48 years within the Inland Empire, east Los Angeles county and Orange County. My expertise is primarily focused upon residential home values. I believe that the combination of being both appraisal/real estate broker provides you, my client, with a deeper sense of value and market trends which are not typically found in either of the two worlds. I look forward to the opportunity to speak with you, helping to identify your needs and how I may best meet those needs.
"I was referred to Lonnie Apfel and he did not disappoint! He was polite, professional, honest and very knowledgeable. He completed the job on schedule as promised. I would recommend Lonnie without hesitation!"
Judi B on March 2020
My name is Lonn Apfel. I have been both a licensed, general appraiser and a real estate broker for over the last 48 years within the Inland Empire, east Los Angeles county and Orange County. My expertise is primarily focused upon residential home values. I believe that the combination of being both appraisal/real estate broker provides you, my client, with a deeper sense of value and market trends which are not typically found in either of the two worlds. I look forward to the opportunity to speak with you, helping to identify your needs and how I may best meet those needs.
"I was referred to Lonnie Apfel and he did not disappoint! He was polite, professional, honest and very knowledgeable. He completed the job on schedule as promised. I would recommend Lonnie without hesitation!"
Judi B on March 2020
Lyons Appraisal
Lyons Appraisal
Lyons Appraisals 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.
"Kevin appraised my house. He was friendly and my appraisal was received when I needed it. He was honest and took time to explain why the value of my house was what it was. "
TONIA L on November 2025
Lyons Appraisals 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.
"Kevin appraised my house. He was friendly and my appraisal was received when I needed it. He was honest and took time to explain why the value of my house was what it was. "
TONIA L on November 2025

Bridge Appraisal
Bridge Appraisal
Pat Sullivan Appraisal is a family-owned real estate appraisal practice servicing Ventura, Santa Barbara, and Los Angeles counties. Pat has over twenty years of experience appraising real estate, offering services that specialize in complex and high-end properties, while offering friendly services to all real property types and subtypes. Reliability, communication, and high-quality reports are the cornerstone of our practice. Pat is always directly accessible to clients for consultation. You can reach Pat directly at 805 815 5052.
Pat Sullivan Appraisal is a family-owned real estate appraisal practice servicing Ventura, Santa Barbara, and Los Angeles counties. Pat has over twenty years of experience appraising real estate, offering services that specialize in complex and high-end properties, while offering friendly services to all real property types and subtypes. Reliability, communication, and high-quality reports are the cornerstone of our practice. Pat is always directly accessible to clients for consultation. You can reach Pat directly at 805 815 5052.

Akrivis Real Estate Valuations
Akrivis Real Estate Valuations
Welcome to the future of real estate valuation solutions with Akrivis. We combine innovation and evolving technology with our exclusive network of photography contractors to deliver accurate real estate valuations in less than five days. No stress, no fuss, just fast and reliable property values.
"Hired to do valuation of a manufactured home - not on land. Gave appraisal comparison properties included land. therefore not an accurate valuation. Thought salesperson understood nuance. "
Melissa P on October 2025
Welcome to the future of real estate valuation solutions with Akrivis. We combine innovation and evolving technology with our exclusive network of photography contractors to deliver accurate real estate valuations in less than five days. No stress, no fuss, just fast and reliable property values.
"Hired to do valuation of a manufactured home - not on land. Gave appraisal comparison properties included land. therefore not an accurate valuation. Thought salesperson understood nuance. "
Melissa P on October 2025
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.

Understanding how appraisers determine the value of a house can help guide pre-sale renovations or offer negotiation as a buyer or a seller.

A home appraisal determines your property’s value and is necessary for most real estate transactions. Learn more about home appraisals and why they matter.

A home appraisal determines your home’s value and is a necessary part of real estate transactions. Learn who to hire for home appraisals.

Preparing for a home appraisal and making sure everything is in order can be stressful. Use this home appraisal checklist to make your life easier.
Home appraisals typically expire in just a few months. Learn how long an appraisal is good for and what factors affect its longevity.

If you’re buying or selling a plot of land, you should know what a land appraisal is, how it works, and what factors can influence your land value.
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