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*The Angi rating for Home Inspection companies in Williams Bay, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Home Inspection needs.
*The HomeAdvisor rating for Home Inspection companies in Williams Bay, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Home Inspection needs.
Last update on December 16, 2025
Find Home inspectors in Williams Bay
Vertical Inspections
Vertical Inspections
Here at Vertical Inspections we are locally owned and operated with over 20 years of experience, we offer quick, professional responses and reports that are easy to understand. Call us today for your consultation! We look forward to serving you and building long lasting relationships!
"Josh was prompt, courteous and gave us valuable information for our home inspection. Highly recommend!"
Rose S on May 2022
Here at Vertical Inspections we are locally owned and operated with over 20 years of experience, we offer quick, professional responses and reports that are easy to understand. Call us today for your consultation! We look forward to serving you and building long lasting relationships!
"Josh was prompt, courteous and gave us valuable information for our home inspection. Highly recommend!"
Rose S on May 2022

Property Management Consultants, LLC
Property Management Consultants, LLC
Our team of licensed inspectors performs comprehensive inspection services for every stage of your real estate journey. Your peace of mind is our priority. All full home inspections include PMC Plus™, our extensive warranty program. PMC Plus™ gives additional peace of mind, knowing that you’ve got a network and support as you take the leap into home ownership. Property Management Consulants LLC (PMC) is the single source for Asset Optimization, combining real estate operations expertise, IT / systems administrator experience, data-driven reporting and research, and certified home inspection services.
"Steve showed up at the agreed upon time and after doing a thorough examination of my homes roof, he provided a detailed report."
Fred S on November 2025
Our team of licensed inspectors performs comprehensive inspection services for every stage of your real estate journey. Your peace of mind is our priority. All full home inspections include PMC Plus™, our extensive warranty program. PMC Plus™ gives additional peace of mind, knowing that you’ve got a network and support as you take the leap into home ownership. Property Management Consulants LLC (PMC) is the single source for Asset Optimization, combining real estate operations expertise, IT / systems administrator experience, data-driven reporting and research, and certified home inspection services.
"Steve showed up at the agreed upon time and after doing a thorough examination of my homes roof, he provided a detailed report."
Fred S on November 2025

Forever Home Inspections LLC
Forever Home Inspections LLC
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.
"Would absolutely recommend getting an inspection done by them. Very professional along with great communication. Thank you for your help!"
Michelle S on July 2025
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.
"Would absolutely recommend getting an inspection done by them. Very professional along with great communication. Thank you for your help!"
Michelle S on July 2025

Due Diligence LLC
Due Diligence LLC
‘Due Diligence, llc’ is a veteran owned/operated professional home inspection company. While not all home inspectors bring the same level of experience to the table, our sole inspector, with over 25 yrs remodeling and 15 yrs forensic failure analysis, brings more than most. We pride ourselves in providing unbiased, thorough inspections and take the time necessary to insure our clients have a full understanding of any/all concerns identified.
"As a local Realtor, I've worked with many inspectors. But since working with Jeffrey, he is now my #1 go-to Inspector on my speed dial! I can confidently refer him to my Clients, knowing they will be getting the best of the best! While working with Jeffrey, I've been blown away by his attention to detail, how knowledgable he is & how he's able to explain even complex issues in layman's terms - for anyone to understand! His inspection report is the most organized home-owners guide, that I'm confident you will reference the whole time you live in your home! With the level of service you receive... you'll be shocked with how affordable his rates are! There are inspectors out there charging a lot more, and you get a lot less than what Jeffrey will do for you! Hire Jeffrey... you won't be disappointed!"
Megan M on December 2021
‘Due Diligence, llc’ is a veteran owned/operated professional home inspection company. While not all home inspectors bring the same level of experience to the table, our sole inspector, with over 25 yrs remodeling and 15 yrs forensic failure analysis, brings more than most. We pride ourselves in providing unbiased, thorough inspections and take the time necessary to insure our clients have a full understanding of any/all concerns identified.
"As a local Realtor, I've worked with many inspectors. But since working with Jeffrey, he is now my #1 go-to Inspector on my speed dial! I can confidently refer him to my Clients, knowing they will be getting the best of the best! While working with Jeffrey, I've been blown away by his attention to detail, how knowledgable he is & how he's able to explain even complex issues in layman's terms - for anyone to understand! His inspection report is the most organized home-owners guide, that I'm confident you will reference the whole time you live in your home! With the level of service you receive... you'll be shocked with how affordable his rates are! There are inspectors out there charging a lot more, and you get a lot less than what Jeffrey will do for you! Hire Jeffrey... you won't be disappointed!"
Megan M on December 2021

SimpliSafe Home Security
SimpliSafe Home Security
You’d pay a fortune to keep your family safe, but you shouldn’t pay a penny more than $14.99! Most alarms systems seem like a bargain---UNTIL you look at the cost of signing a long-term alarm contract for $30, $40, sometimes even $50/month. Protect your home and your wallet with a SimpliSafe home security system. Our alarm monitoring costs just $14.99/month, and we’ll never lock you into a contract, so you are free to cancel with us anytime. Each year that you protect your family with SimpliSafe, you’ll save up to $420...that’s why the nation’s leading financial expert, Dave Ramsey, recommends SimpliSafe to all his listeners. Try SimpliSafe today! You have nothing to lose---we are so sure you’ll be happy with your alarm that we offer you a three year product warranty and a 60 Day No-Questions-Asked Full Refund Guarantee
"They are fine. Their price is very good and the hardware is holding up very well."
Sidney J on March 2022
You’d pay a fortune to keep your family safe, but you shouldn’t pay a penny more than $14.99! Most alarms systems seem like a bargain---UNTIL you look at the cost of signing a long-term alarm contract for $30, $40, sometimes even $50/month. Protect your home and your wallet with a SimpliSafe home security system. Our alarm monitoring costs just $14.99/month, and we’ll never lock you into a contract, so you are free to cancel with us anytime. Each year that you protect your family with SimpliSafe, you’ll save up to $420...that’s why the nation’s leading financial expert, Dave Ramsey, recommends SimpliSafe to all his listeners. Try SimpliSafe today! You have nothing to lose---we are so sure you’ll be happy with your alarm that we offer you a three year product warranty and a 60 Day No-Questions-Asked Full Refund Guarantee
"They are fine. Their price is very good and the hardware is holding up very well."
Sidney J on March 2022

Environmental Testing & Research Laboratories, Inc
Environmental Testing & Research Laboratories, Inc
ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.
"as advertised"
Nancy C on July 2018
ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.
"as advertised"
Nancy C on July 2018

Anderson Home Inspection LLC
Anderson Home Inspection LLC
PLEASE CALL FOR QUICKEST RESPONSE TIME --Donn Anderson is a Certified Master Inspector®. He began working in construction in the mid 60’s. He started Anderson Home Inspection and performed his first professional home inspection in January of 1995. He has inspected over 12,000 homes in Southeastern Wisconsin since then. He has been a member of the American Society of Home Inspectors – Great Lakes Chapter since 1996. He served as the Education Chairman for the Milwaukee Chapter of the Wisconsin Association of Home Inspectors from 1996 – 2009. He is a member of the National Association of Certified Home Inspectors and is a Certified Master Inspector®. He received his Real Estate license in the mid 1980s. Donn was a co-author of the jurisprudence exam for licensing Wisconsin Home Inspectors. He holds licenses as a WI State UDC Building Inspector, an FHA 203k Consultant, he is certified as a Residential Measurement Provider by NEHA-NRPP to test for Radon, the second leading cause of lung cancer in the US. He works as an expert witness for homeowners who have been exposed to substandard construction and home inspection practices.
"I was in the middle of a recent home Refi to get cash out for a new roof and new windows but the credit union wanted a professional report of some interior water damage that was noted during the appraisal process. Donn, from Anderson Home Inspection, was my inspector 20 years ago when I originally purchased my duplex. I contacted Donn and explained the situation and he was very understanding of the need and urgency to get the report for the bank. We scheduled a time 2 days later. Donn quickly assessed the interior water damage and then used his very cool drone to inspect the roof. He took pictures of the roof, interior water stains, and the attic. His report was completed and I submitted it to the credit union. His determination was the interior water stains were cosmetic and not structural. They were due to the poor condition of the valley and chimney flashings and would be corrected this spring when the roof is replaced. Thanks to Anderson Home Inspection my Refi proceeded without further issues and I'm on my way to a new roof and new windows. I have many friends that have used Donn's services and never hesitate to recommend him to anyone."
Robin D on March 2021
PLEASE CALL FOR QUICKEST RESPONSE TIME --Donn Anderson is a Certified Master Inspector®. He began working in construction in the mid 60’s. He started Anderson Home Inspection and performed his first professional home inspection in January of 1995. He has inspected over 12,000 homes in Southeastern Wisconsin since then. He has been a member of the American Society of Home Inspectors – Great Lakes Chapter since 1996. He served as the Education Chairman for the Milwaukee Chapter of the Wisconsin Association of Home Inspectors from 1996 – 2009. He is a member of the National Association of Certified Home Inspectors and is a Certified Master Inspector®. He received his Real Estate license in the mid 1980s. Donn was a co-author of the jurisprudence exam for licensing Wisconsin Home Inspectors. He holds licenses as a WI State UDC Building Inspector, an FHA 203k Consultant, he is certified as a Residential Measurement Provider by NEHA-NRPP to test for Radon, the second leading cause of lung cancer in the US. He works as an expert witness for homeowners who have been exposed to substandard construction and home inspection practices.
"I was in the middle of a recent home Refi to get cash out for a new roof and new windows but the credit union wanted a professional report of some interior water damage that was noted during the appraisal process. Donn, from Anderson Home Inspection, was my inspector 20 years ago when I originally purchased my duplex. I contacted Donn and explained the situation and he was very understanding of the need and urgency to get the report for the bank. We scheduled a time 2 days later. Donn quickly assessed the interior water damage and then used his very cool drone to inspect the roof. He took pictures of the roof, interior water stains, and the attic. His report was completed and I submitted it to the credit union. His determination was the interior water stains were cosmetic and not structural. They were due to the poor condition of the valley and chimney flashings and would be corrected this spring when the roof is replaced. Thanks to Anderson Home Inspection my Refi proceeded without further issues and I'm on my way to a new roof and new windows. I have many friends that have used Donn's services and never hesitate to recommend him to anyone."
Robin D on March 2021

Criterion Home Inspectors LLC
Criterion Home Inspectors LLC
Proudly serving Southeastern Wisconsin, I'm Scott Nelson, I am the owner-operator-inspectors for Criterion Home Inspectors LLC. We take pride in our work & do whatever we can to help home owners insure they maximize the return on their investment. The cost of each job is determined by the square footage of the area to be inspected. Travel charges are not incurred. Visit our website for more testimonials.
"When I started working real-estate for family and friends in the Eastern part of Wisconsin, a dear friend and referral partner realtor, of mine, recommended Criterion Home Inspectors. I met Scott and was immediately impressed. I had outstanding inspectors back in South Central Wisconsin that had set the bar for HIGH expectations. Scott hit that bar and I've never looked back. Anytime my other inspectors are on vacation, I always give Scott for the opportunity to come over to do the inspection because I know he is going to have integrity, be straightforward, doesn't the report to cover his butt, not an alarmist, and definitely NOT a 'dollar' store inspector. He explains things in layman's terms to the buyers,(and sellers for pre sale inspections) answers all their questions. And if he doesn't know something, he says so and that he will find out, and DOES. Just a great guy and resource for new buyers and seasoned realtors. We highly recommend Scott!!"
Greg W on February 2023
Proudly serving Southeastern Wisconsin, I'm Scott Nelson, I am the owner-operator-inspectors for Criterion Home Inspectors LLC. We take pride in our work & do whatever we can to help home owners insure they maximize the return on their investment. The cost of each job is determined by the square footage of the area to be inspected. Travel charges are not incurred. Visit our website for more testimonials.
"When I started working real-estate for family and friends in the Eastern part of Wisconsin, a dear friend and referral partner realtor, of mine, recommended Criterion Home Inspectors. I met Scott and was immediately impressed. I had outstanding inspectors back in South Central Wisconsin that had set the bar for HIGH expectations. Scott hit that bar and I've never looked back. Anytime my other inspectors are on vacation, I always give Scott for the opportunity to come over to do the inspection because I know he is going to have integrity, be straightforward, doesn't the report to cover his butt, not an alarmist, and definitely NOT a 'dollar' store inspector. He explains things in layman's terms to the buyers,(and sellers for pre sale inspections) answers all their questions. And if he doesn't know something, he says so and that he will find out, and DOES. Just a great guy and resource for new buyers and seasoned realtors. We highly recommend Scott!!"
Greg W on February 2023

Weatherization Services
Weatherization Services
Weatherization Services is experienced in using blown cellulose and spray foam insulation. We strive for perfection and enjoy generating energy savings for all of our customers. Our crews are clean and courteous and understand that “The customer is always right”. Additional phones: (414) 841-3412. Additional fax: (414) 877-1723. We use blown cellulose insulation composed of a minimum 85% recycled fibers. Unlike traditional insulation, it is not manufactured with any formaldehyde, asbestos, mineral fiber, or fiberglass. The density of blown cellulose insulation gives it a high R-value per inch, which it maintains even under extreme conditions. Cellulose insulation achieves great overall energy efficiency, because it is blown into tiny cavities. It surrounds plumbing pipes and electrical wiring, therefore reducing any air infiltration by sealing gaps where energy can escape.
"Highly recommend weatherization services ! Incredible not only did provide excellent service,but they also took the time to explain process in detail 100% recommend. "
Juan F on November 2025
Weatherization Services is experienced in using blown cellulose and spray foam insulation. We strive for perfection and enjoy generating energy savings for all of our customers. Our crews are clean and courteous and understand that “The customer is always right”. Additional phones: (414) 841-3412. Additional fax: (414) 877-1723. We use blown cellulose insulation composed of a minimum 85% recycled fibers. Unlike traditional insulation, it is not manufactured with any formaldehyde, asbestos, mineral fiber, or fiberglass. The density of blown cellulose insulation gives it a high R-value per inch, which it maintains even under extreme conditions. Cellulose insulation achieves great overall energy efficiency, because it is blown into tiny cavities. It surrounds plumbing pipes and electrical wiring, therefore reducing any air infiltration by sealing gaps where energy can escape.
"Highly recommend weatherization services ! Incredible not only did provide excellent service,but they also took the time to explain process in detail 100% recommend. "
Juan F on November 2025

Pella Windows and Doors
Pella Windows and Doors
SHOWROOM LOCATIONS; * APPLETON, WI 670 S. Westland Drive. 9 AM - 5 PM M-F, 9 AM - 2 PM SAT, Closed Sunday* *BROOKFIELD, WI 13745 W. Capitol Drive. 9 AM - 5 PM M-F, 9 AM - 2 PM SAT, Closed Sunday* *GREEN BAY, WI 500 Pilgrim Way. 9 AM - 5 PM M-F, 9 AM - 12 PM SAT, Closed Sunday* *MADISON, WI 2604 Todd Drive. 9 AM - 5 PM M-F, 9 AM - 2 PM SAT, Closed Sunday*
"ordered custom pella window in AUG 2022 with quoted 8-10w LT. Follwed up after 12+ wks for update on order only to learn rep not with Pella. Took a couple of days of calls and email to showroom for a response / update. We received communication that our order had material back-ordered and our window wouldn't be installed until Feb 2023. I then requested the sales mgr (Matt S***) contact me to discuss what actions had been taken to mitigate the LT and for a parts list of what was holding up our order. After a week of being ignored, drove the 50m to the showroom to get a response, which I did. Matt did reach me to confirm our 8-10wk order would not be honoured and he could not provide the requested information. Further, after I injected I have to consider cancelling the order he stated "that would come with a restock charge of several hundred $$$) which was BS because the clause on the order stated a right to cancel with 3wk notice. Our order by this time was 3+ months past due. Would recommend investing efforts to find competitor to the franchise. Of positive note: The contracted installation crew was best in class, highly professional and delivered exceptional workmanship and attention to quality and cleanliness. Couldn't be more satisfied with the product they delivered. Will write their review after this post."
w a on March 2023
SHOWROOM LOCATIONS; * APPLETON, WI 670 S. Westland Drive. 9 AM - 5 PM M-F, 9 AM - 2 PM SAT, Closed Sunday* *BROOKFIELD, WI 13745 W. Capitol Drive. 9 AM - 5 PM M-F, 9 AM - 2 PM SAT, Closed Sunday* *GREEN BAY, WI 500 Pilgrim Way. 9 AM - 5 PM M-F, 9 AM - 12 PM SAT, Closed Sunday* *MADISON, WI 2604 Todd Drive. 9 AM - 5 PM M-F, 9 AM - 2 PM SAT, Closed Sunday*
"ordered custom pella window in AUG 2022 with quoted 8-10w LT. Follwed up after 12+ wks for update on order only to learn rep not with Pella. Took a couple of days of calls and email to showroom for a response / update. We received communication that our order had material back-ordered and our window wouldn't be installed until Feb 2023. I then requested the sales mgr (Matt S***) contact me to discuss what actions had been taken to mitigate the LT and for a parts list of what was holding up our order. After a week of being ignored, drove the 50m to the showroom to get a response, which I did. Matt did reach me to confirm our 8-10wk order would not be honoured and he could not provide the requested information. Further, after I injected I have to consider cancelling the order he stated "that would come with a restock charge of several hundred $$$) which was BS because the clause on the order stated a right to cancel with 3wk notice. Our order by this time was 3+ months past due. Would recommend investing efforts to find competitor to the franchise. Of positive note: The contracted installation crew was best in class, highly professional and delivered exceptional workmanship and attention to quality and cleanliness. Couldn't be more satisfied with the product they delivered. Will write their review after this post."
w a on March 2023
FAQs for home inspection projects in Williams Bay, WI
It’s important to get a home inspection when buying a home because home inspectors are trained to examine the various aspects of a home to determine that everything is in good condition and find unseen problems that current homeowners need to fix before the home sale takes place. Although home inspections are not legally required, a thorough inspection can help you decide if you want to purchase a home. That’s why it’s essential to keep a home inspection contingency so that you have the option to walk away from the sale if the home inspection reveals expensive issues.
A home inspection typically includes the home inspector conducting a thorough visual examination of essential home structures and mechanical components. Afterward, the inspector will provide a home inspection report that relays descriptions of damage or other findings for the homeowner to review.
Home inspectors will examine the following home areas and features:
Plumbing
Electrical
Foundations
Roof
Windows and doors
Overall condition of interior and exterior
HVAC systems
Attics
Basements or crawl spaces
Major built-in appliances
Typically, a licensed and certified local home inspector conducts home inspections. Real estate agents often work closely with trusted home inspectors. Licensing requirements vary from state to state for home inspectors, but they must have local certification and valid insurance. Many licensed home inspectors belong to professional associations like the American Society of Home Inspectors.
Typically, the home buyer pays for the inspection by hiring a home inspector. This method helps you make an informed decision about a home’s condition before purchasing it. Home sellers can also conduct their own home inspection to ensure that they are getting the best price for their home and property.
On average, home inspections cost about $350, ranging from $200 to $500, depending on the home’s size, age, and location, plus any specialty inspections required. Additional cost factors include testing for asbestos or conducting thermal imaging tests to find infestations, checking energy efficiency, and looking for structural or electrical problems. If your home is more than 2,000 square feet, you can expect to pay $400 or more.
The Williams Bay, WI homeowners’ guide to home inspections
From average costs to expert advice, get all the answers you need to get your job done.

Drone roof inspection costs vary depending on the roof’s size, complexity, and material. Use this guide to budget for a drone roof inspection.

If you’re buying a home, having an inspection offers reassurance that it’s in good condition. How much a home inspection costs varies depending on the home's size, age, condition, and location.

Not sure what you should expect from an attic inspection? This list outlines what your inspector will look for during the inspection.

A home inspection is an investment in your property's health and longevity. Discover why a home inspection is important even if you don’t plan to sell.

Enjoy your view by ensuring the safety and longevity of your balcony. Use our balcony inspection checklist to monitor everything from railings to waterproofing.

Even a well-maintained home can have hazards for older adults. Learn how home inspections can help you reduce risks and stay safely in your home.
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