

William Piotrowski Mortgage Banker
Loan Officer NMLS 219299

William Piotrowski is a Branch Manager and loan officer for Diamond Residential Mortgage.
Everything William does is about empowering others to find the right home for their family, future, and finances. He does this by working with everyo... Show More
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Reviews from Web
Everything started under the promise of an easy, low doc, quick closing loan; it turned out to be the most tedious, humiliating paperwork saturated and long lasting approval process we ever faced in our lives, we had plenty of mortgages during...
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Reply from Owner
June 12th, 2025 12:00 AM
Hi Oscar,Thank you for taking the time to share your experience. We’re genuinely sorry to hear that the process did not meet your expectations. Our goal is always to deliver a smooth, transparent, and respectful experience for every client...
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William and his team were great! Very knowledgeable and responsive. They helped make the mortgage process smooth and less stressful.
Reply from Owner
June 3rd, 2025 12:00 AM
Brad, Congratulations on your new home! We wish you the best and an abundance of happiness. Thank you for the opportunity to assist you with your home loan transaction. We look forward to working with you again and hope you will continue to...
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William was extremely helpful in my unique situation being widowed. His team helped me get my home.
Reply from Owner
June 3rd, 2025 12:00 AM
Joseph, Congratulations on your new home! We wish you the best and an abundance of happiness. Thank you for the opportunity to assist you with your home loan transaction. We look forward to working with you again and hope you will continue...
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I had a great experience working with William P at Dimond mortgage. They were knowledgeable, patient, and took the time to explain every step of the mortgage process clearly. I felt supported from the start and continued through to closing....
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Reply from Owner
June 3rd, 2025 12:00 AM
Krystina, Congratulations on your new home! We wish you the best and an abundance of happiness. Thank you for the opportunity to assist you with your home loan transaction. We look forward to working with you again and hope you will continue...
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Such a positive experience as a first time home buyer! William, Melanie, and Laura made the entire process easy and very bearable ! Very proactive on communication and answered all my calls and questions ! Highly recommend! Only financial professionals...
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Reply from Owner
June 12th, 2025 12:00 AM
Noel, Congratulations on your new home! We wish you the best and an abundance of happiness. Thank you for the opportunity to assist you with your home loan transaction. We look forward to working with you again and hope you will continue to...
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Wonderful Company to work with! My significant other and I bought our first home together and it was the first home we saw- we knew it was our forever home instantly. William was outstanding, he always answered to our calls and messages promptly....
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Reply from Owner
June 3rd, 2025 12:00 AM
Holly, Congratulations on your new home! We wish you the best and an abundance of happiness. Thank you for the opportunity to assist you with your home loan transaction. We look forward to working with you again and hope you will continue to...
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Relatable. Knowledgeable. Professional. Excellent Communication.
Reply from Owner
June 3rd, 2025 12:00 AM
John, Congratulations on your new home! We wish you the best and an abundance of happiness. Thank you for the opportunity to assist you with your home loan transaction. We look forward to working with you again and hope you will continue to...
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William provided a great experience through the entire process. He kept me informed along the way, what to expect and was always communicating with me.
Reply from Owner
June 3rd, 2025 12:00 AM
Lisa, Congratulations on your new loan! We wish you the best and an abundance of happiness. Thank you for the opportunity to assist you with your home loan transaction. We look forward to working with you again and hope you will continue to...
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We got an amazing house, and I like that Diamond keeps an eye on the interest rates, so we know when a good time is to refinance. Strongly recommend!
Reply from Owner
June 3rd, 2025 12:00 AM
Alyssa, Congratulations on your new home! We wish you the best and an abundance of happiness. Thank you for the opportunity to assist you with your home loan transaction. We look forward to working with you again and hope you will continue...
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William Piotrowski Mortgage Banker has received a review with 5 star rating from Paul J
Reply from Owner
June 3rd, 2025 12:00 AM
Paul, Congratulations on your new home! We wish you the best and an abundance of happiness. Thank you for the opportunity to assist you with your home loan transaction. We look forward to working with you again and hope you will continue to...
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About
William Piotrowski is a Branch Manager and loan officer for Diamond Residential Mortgage.
Everything William does is about empowering others to find the right home for their family, future, and finances. He does this by working with everyone from first-time home buyers to more complex clients who don’t fit conventional lending profiles.
What makes William different is his accessibility to your family and how he listens to what you need at all points in the home buying process. You deserve a mortgage lender that empowers and works with your family.
Products & Services
Mortgage Loan Officer
FHA Home Loan
VA Home Loan
Jumbo Home Loan
Down Payment Assistance
Conventional Home Loan
Mortgage Refinance
Construction Loan
Bridge Loans
Fixed Rate Mortgages
Adjustable Rate Mortgages
Specialities
Mortgage Services, Purchase, Everything William does is about empowering others to find the right home for their family, future, and finances. He does this by working with everyone from first-time home buyers to more complex clients who don’t fit conventional lending profiles.
Conventional
FHA
VA
USDA
IHDA Down Payment Assistance
DSCR
Bank Statements Loans
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Positions
- Diamond Residential Mortgage Corp - Branch Manager Jan 4, 2016 - Current
Addresses and Serving Areas
Primary Serving Area
Year Started
2014
Time Zone
Central Standard Time (CST)
Licenses
- IL Mortgage
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+5
Awards
Disclaimer
The content of this advertisement is for informational purposes only. This is not an offer for extension of credit or a commitment to lend. All rates, fees, and loan terms are subject to formal loan application, credit risk, appraisal evaluation and other lending criteria. Programs, rates, terms, and conditions are subject to change without notice. Other restrictions may apply. Diamond Residential Mortgage Corporation NMLS 186805; Arkansas Combination Mortgage Banker-Broker-Servicer License 110168; California – DBO Residential Mortgage Lending Act Licensee 4131348; Registered Colorado Mortgage Company; Florida Mortgage Lender License MLD826; Florida Mortgage Lender Servicer License MLD1442; Georgia Residential Mortgage Licensee 52026; Illinois Residential Mortgage License MB.6760694 Indiana -DFI First Lien Mortgage Lending License 11238 Kansas Mortgage Company License MC.0025034; Kentucky Mortgage Company License MC96693; Michigan 1st Mortgage Broker/Lender License FR0020986; Michigan 2nd Mortgage Broker/ Lender Registrant SR0016995; Minnesota Residential Mortgage Originator License MN-MO-40179067; Missouri Company Registration 141728; Licensed Nebraska Mortgage Banker; Oregon Mortgage Lending License ML-5206; Tennessee Mortgage License ML-5206; Texas – SML Mortgage Banker Registration; Washington Consumer Loan Company License CL-186805; Wisconsin Mortgage Banker License 700297BA