If you hire this pro, you’re covered by a money-back guarantee. Learn more
If you hire this pro, you’re covered by a money-back guarantee. Learn more
About
Since 2020, Rywen Insulation Inc, has specialized in attic insulation, crawlspace insulation, vapor barrier installation, and rodent proofing for homeowners throughout the San Francisco Bay Area. Our team provides complete attic and crawlspace restoration services designed to improve indoor air quality, energy efficiency, and overall home comfort.
Overview
Hired 15 times
Serves San Leandro, CA
Background checked
License verified
10 employees
6 years in business
Business hours
Sun8:00 am - 6:00 pmMon8:00 am - 6:00 pm
Payment methods
This pro accepts payments via Cash, Check, Credit card, Samsung Pay, Venmo, and Zelle.
Customers rated this pro highly for work quality, value, and professionalism.
Excellent 4.9
83 reviews
5
96%
4
3%
3
0%
2
1%
1
0%
Your trust means everything to us. Learn about our review guidelines.
Read reviews that mention:
sharon J.
Dec 24, 2025
•
From Google
EXCELLENT EXPERIENCE- They took a load off my mind. They arrived on time, did a complete inspection with pics, were reasonably priced, Cleaned and sanitized my basement, repaired nasty insulation, fixed all my vent covers, left it cleaner than it has ever been. I can not give them enough praise!
Rywen Insulation Inc.'s reply
Hi Sharon,
Thank you for your wonderful review! It’s fantastic to hear that our team’s careful inspection, repairs, and cleanup met your expectations.
Your trust and recommendation mean a lot to us, and we’re here anytime you need assistance in the future.
Evelyn C.
Dec 30, 2025
•
From Google
Our home had unwanted visitors (rodents) in the crawlspace and attic. The Rywen Insulation team came and made sure to close any holes to deter pests from getting in. Furthermore, they removed and replaced the old insulation, and cleaned the attic and crawlspace from and rodent droppings. The entire work was done in a day. This team checked and patched any holes from the inside and did a full inspection of the exterior of the house, including the roof, to ensure all possible entries were sealed. The first night, I heard and saw a large rat trying to desperately get back in, but I think it gave up and moved on. I now get uninterrupted sleep at night and no longer hear scratching sounds or movement in the attic. Moreover, their customer service was excellent. This is a super responsive team that earned my trust by being quick to respond to any questions I had. For the pricing, this company charged me slightly higher than the 2 other companies I received proposals from, but I still believe the cost was reasonable for the great work that they do. One of the other companies only patched holes within reach and let me know they would not go on the roof, and I would need to hire someone else for that work, while Rywen Inc made sure that if the holes could not be reached from the inside, they would be patched from the outside, even if it included going on the roof. Thank you to Brayan, Walter, and the team for the great service.Services I got were attic clean up, insulation replacement, crawlspace clean up and rodent proofing. Im very pleased with the overall results.
Rywen Insulation Inc.'s reply
Hi Evelyn,
We truly appreciate you taking the time to share such a detailed review. It’s great to hear that our team’s thorough approach and efficiency made a noticeable difference for you. We’re glad the results brought you peace of mind, and we sincerely thank you for trusting Rywen.
Jimmy L.
Jan 1, 2026
•
From Google
Rywen added blown-in insulation to my attic. When I first contacted Rywen, I was speaking to a live person right away, and she took my request details and got back to me promptly with an installation schedule. The 3-men team showed up on time, prepared the areas thoroughly like a hazmat zone, went to the attic and leveled out the existing insulation, added new material, and completed with a thorough clean-up. When done, the place looked as if nothing happened. The team was professional, respectful, and efficient. Job well done. I would recommend Rywen for my friends and family any time.
Rywen Insulation Inc.'s reply
Hi Jimmy,
It’s always a pleasure to hear from happy customers! We’re so glad our team could provide a thorough and efficient installation for your attic, and that everything, from preparation to cleanup, met your expectations. Thank you for recommending Rywen — it means a lot to us. we’re always happy to assist with any future projects or questions.
Michael D.
Dec 4, 2025
•
From Google
These guys are great and stand by their work. A year ago, they fixed our rodent problem and installed new ductwork under the house. Today, one year later, we asked them to come out to make sure everything under the house was still pest-free. They came by with no hassle and reset the original traps with new bait.
Rywen Insulation Inc.'s reply
Hi Michael,
Thank you for taking the time to leave such a detailed review! We’re thrilled to hear that our work continues to provide peace of mind. Your trust in Rywen means a lot, and we’re always here to help when needed.
Alvin k.
Jun 19, 2026
•
Hired on Thumbtack
I ended up not going with them but I think they either do variable pricing or just massively overcharge. for removing insulation and adding new ones, they quoted me double the price of other service for less detailed cleaning service and thesame insulation type.
Thank you for your feedback. We’d like to clarify that the proposal provided was not simply for insulation removal and replacement. The scope included a two-phase process designed to properly address both the rodent issue and the insulation restoration.
This included full attic rodent proofing and exclusion, trapping and monitoring, sanitation, insulation removal, attic air sealing, new insulation installation, and a 3-year warranty for long-term protection and peace of mind.
At Rywen Insulation, we aim to provide detailed and thorough work with clear communication, proper sanitation procedures, and quality materials to ensure long-term results. While we may not always be the lowest-priced option, our focus is on delivering value through the quality, completeness, and durability of our service.
Because every project varies in scope, contamination level, accessibility, and structural conditions, pricing can differ significantly from company to company. Our estimates are built around providing a complete solution rather than the minimum scope of work.
We understand every homeowner has to make the best decision for their budget, and we sincerely appreciate the opportunity to provide you with an estimate. We wish you the best with your project.
Insulation Installation or Upgrade
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
At Rywen Insulation Inc, every home is different, which means every project requires a customized approach. We provide free consultations and inspections to evaluate your attic or crawlspace and recommend the most effective solution.
Pricing depends on factors such as the size of the space, insulation condition, contamination level, and any rodent entry points that need to be sealed. Our goal is to provide transparent, fair pricing with no hidden fees, so customers clearly understand the scope of work before any service begins.
What is your typical process for working with a new customer?
Our process begins with a detailed inspection of the attic or crawlspace to identify insulation deficiencies, contamination, air leaks, and potential rodent entry points.
After the inspection, we provide a clear explanation of our findings along with a detailed proposal outlining the recommended solution. Depending on the situation, services may include insulation removal, sanitation, rodent entry-point sealing, vapor barrier installation, or new insulation installation.
Once approved, our team completes the work efficiently and with careful attention to cleanliness and safety. Our goal is to restore the space so it functions properly, improves energy efficiency, and helps prevent future issues.
What education and/or training do you have that relates to your work?
Our team brings over 10 years of hands-on industry experience working with attic and crawlspace insulation systems, rodent exclusion, and moisture control solutions.
We focus on proper installation methods, identifying underlying problems that affect insulation performance, and applying solutions that improve indoor comfort and energy efficiency. Our work emphasizes careful inspections, detailed workmanship, and clear communication with homeowners throughout the process.
