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Professional Home Inspection Services in Portland, OR
At Blue Ladder, we pride ourselves on delivering comprehensive, accurate, and client-focused home inspection services. With over 25 years of hands-on experience in the construction and home industry, our team combines deep technical expertise with a commitment to transparency and customer education. Our founder, Tim Damm, is a licensed electrician, contractor, and Certified Master Inspector with extensive training in property diagnostics. We utilize advanced tools like thermal imaging to uncover hidden issues that other inspectors might miss, ensuring our clients receive actionable insights about their investments.

Whether you're buying, selling, or maintaining a property, our detailed reports and personalized approach empower informed decision-making. We serve the Portland and Vancouver metro areas, offering specialized services such as sewer scope inspections, radon testing, and oil tank sweeps, all backed by a guarantee of accuracy and integrity.
Services
Home Inspections Sewer Scope Radon Testing Mold Testing Oil Tank Sweeps Water Quality Testing Home Energy Scoring
Highlights and features
  • We offer 25+ years of construction and inspection expertise.
  • Thermal imaging included at no extra cost for hidden issue detection.
  • Certified Master Inspector with rigorous training and licensing.
  • Detailed reports with clear explanations of material defects.
  • Guaranteed oil tank sweep results with removal liability coverage.
Associations and certifications
  • InterNACHI
  • Oregon Construction Contractors Board
  • Oregon Certified Home Inspector
What people say
Detailed reports Thorough inspections Professional service Accurate assessments Helpful explanations
Services
Home Inspections
Our comprehensive home inspections evaluate accessible structural and system components, including roofs, foundations, plumbing, and electrical systems. We use thermal imaging to detect hidden issues and provide detailed reports to help buyers, sellers, and homeowners make informed decisions. Our inspections adhere to InterNACHI standards for accuracy and thoroughness.
Sewer Scope
This service uses video cameras to inspect sewer lines for blockages, leaks, and root intrusion. A full-color recording and written report document findings, enabling targeted repairs. Ideal for pre-purchase evaluations or diagnosing drainage issues, this non-invasive test ensures long-term plumbing reliability.
Radon Testing
We employ state-of-the-art detectors to measure radon levels over 48 hours, producing hourly reports. Radon, a radioactive gas, poses health risks if undetected. Our testing meets EPA guidelines, providing critical data to mitigate exposure and ensure safe living environments in accordance with Oregon regulations.
Mold Testing
Our mold testing identifies hidden spores in homes through air and surface sampling. Samples are analyzed by accredited labs, with results delivered in two business days. This service is vital for detecting moisture-related hazards that could impact family health, especially in older or water-damaged properties.
Oil Tank Sweeps
Using ground-penetrating magnetometers, we locate buried oil tanks that pose environmental and financial risks. A four-step process includes interior checks, exterior scans, and property sweeps. Our guarantee covers removal costs if tanks are later discovered, offering peace of mind during real estate transactions.
People
Tim Damm
Certified Master Inspector
Tim Damm, a licensed electrician and contractor with 25+ years in construction, leads Blue Ladder's inspection services. His expertise in property diagnostics ensures accurate, actionable reports for clients navigating real estate transactions.
RoAnna Damm
Operations Manager
RoAnna Damm manages client coordination and business operations at Blue Ladder. Her background in design and project management ensures smooth service delivery and client satisfaction for home inspection clients.
Questions
What does a home inspection include?
Our inspection covers accessible structural elements, plumbing, electrical systems, HVAC, and more. Thermal imaging is included to detect hidden issues.
How long does a home inspection take?
Most inspections take 2-3 hours, depending on property size and complexity. Reports are delivered within 24 hours.
Do you offer radon testing in Oregon?
Yes, we provide EPA-compliant radon testing using continuous monitoring equipment for accurate 48-hour results.
What areas do you serve?
We serve Portland, Vancouver, Beaverton, Hillsboro, Aloha, Forest Grove, and surrounding areas in Oregon.
Is oil tank sweep necessary for home purchases?
Yes, undetected tanks pose environmental and financial risks. Our sweeps include a guarantee for future tank removal.
Can I schedule weekend inspections?
Yes, weekend and after-hours appointments are available by request for urgent needs.
Videos
Reviews (4)
Marvel Herlache
Jan 31, 2022 Report
We recently employed Blue Ladder to do a home inspection of our new home. Tim Damm was very detailed and complete with his inspection. He took the time to answer all our question and pointed out areas that he felt should addressed. He was knowledgeable, personable and very detailed. His inspection included a written and photographic report. I would highly recommend him...and he even came with coffee/tea and treats!! What more could anyone ask for??
Taylor Hill
Jan 24, 2022 Report
Positive:Professionalism
Tim was extremely nice and knowledgeable when inspecting our house of interest. He even brought hot tea and instant coffee as well as peanuts and other snacks out of generosity. We was very respectful of the property and we cant recommend him enough.
Heather Dials
Jan 18, 2022 Report
Positive:Professionalism,Quality,Responsiveness,Value
Tim was very professional and personal in his inspection of our home. He did an extremely complete job and answered all of our questions. his report was done and delivered to me the next morning. i would recommend him to anyone for their homes.
Connie Hsu
Jan 11, 2022 Report
Tim is a very careful home inspector. Once we have any questions, he patiently explained to us and let us know the condition of the house, which made us feel a lot more at ease in the process of buying a house. Thank you Tim for your help, I will recommend Tim to my friends.