Business Details
Emergency
services
Expert Roofing & General Contracting Services in Chicago
Founded in 1885, B. Allendorfer is a fifth-generation family-owned roofing and general contracting business rooted in Chicago. Our legacy of quality began with Philip Allendorfer, a German immigrant who established the company's core values of integrity and work ethic. We specialize in residential and commercial roofing installation, repair, and maintenance, complemented by comprehensive general contracting services including masonry, HVAC, and waterproofing. As a licensed, bonded, and insured contractor, we maintain an A+ rating with the Better Business Bureau and are proud members of the National Roofing Contractors Association.Our team combines 130+ years of experience with modern techniques to deliver durable solutions, evidenced by decades of positive client testimonials highlighting our professionalism, attention to detail, and commitment to resolving complex roofing issues. We prioritize customer satisfaction through transparent communication, meticulous cleanup, and warranties that underscore our confidence in workmanship.
Services
Roof Repair
Roof Installation
General Contracting
Masonry
Tuck Pointing
Concrete
Doors & Windows
HVAC
Painting
Waterproofing
Highlights and features
- Fifth-generation experience since 1885 with proven expertise
- Maintain A+ rating with Better Business Bureau
- Veteran-owned business with accountability focus
- Members of National and Chicago Roofing Contractors Associations
- Consistently praised for meticulous cleanup and professionalism
Associations and certifications
- Better Business Bureau
- National Roofing Contractors Association
- Chicago Roofing Contractors Association
What people say
Professional crews
Quality work
Excellent service
Clean worksite
Timely repairs
Services
Roof Repair
Our roof repair services address issues like shingle damage, leaks, and structural weaknesses for residential and commercial properties. With over 130 years of experience, we use advanced diagnostic techniques to identify ventilation and insulation problems causing moss growth or water damage. Clients benefit from free estimates and prompt emergency services, with crews consistently praised for thorough cleanup and attention to detail in testimonials dating back to 2006.
Roof Installation
Specializing in complete roof installation and replacement for homes and businesses, we offer expert assessment of aging systems showing signs like curling shingles or sagging sections. Our licensed professionals install durable materials meeting industry standards, with warranties confirming our confidence in workmanship. The fifth-generation team handles projects from initial estimate to final billing, maintaining A+ BBB-rated service through transparent communication and adherence to scheduled timelines across Chicago and surrounding areas.
General Contracting
As a full-service general contractor, we manage diverse property improvement projects including masonry, HVAC installation, and deck construction. Our scope covers everything from minor handyman repairs to comprehensive remodeling, with expertise in materials like stone, tile, and hardwood flooring. Clients appreciate our ability to coordinate complex projects while maintaining focus on quality, evidenced by testimonials highlighting efficient crews and properties left cleaner than before work began.
Waterproofing
Our waterproofing solutions protect properties against water damage through proper insulation, flashing installation, and drainage system optimization. We address common issues like condensation and roof seepage using industry-approved methods, with technicians trained to identify hidden vulnerabilities during routine inspections. This service integrates with roofing projects to create comprehensive moisture management systems, backed by client testimonials praising our ability to resolve persistent leakage problems in older structures.
Masonry
Masonry services include tuck pointing, concrete work, and restoration of historic brick structures. Our experienced team handles both functional repairs and aesthetic upgrades, maintaining structural integrity while enhancing property appearance. This service complements our general contracting offerings, with capabilities demonstrated in projects transforming older homes while preserving their architectural character, as noted in multiple client testimonials about attention to detail and craftsmanship quality.
People
Brian L. Allendorfer Jr.
President
Fifth-generation owner leading Chicago's oldest family-owned roofing contractor. Maintains commitment to quality established by ancestors since 1885. Holds Illinois Unlimited Roofing License #104-015740. Regularly praised in testimonials for professional service approach and community involvement, including pro-bono work for local nonprofits.
Questions
What areas do you service?
We primarily serve Chicago and surrounding suburbs, with decades of experience handling projects across the metropolitan area.
Do you offer emergency roofing services?
Yes, we provide emergency repair services for urgent roof damage situations with prompt response times.
How can I get a cost estimate?
Contact us via phone or our website to request a free, no-obligation estimate from our professional team.
Are financing options available?
We currently do not offer in-house financing but can discuss payment arrangements for approved projects.
What sets you apart from competitors?
Five generations of local experience, A+ BBB rating, and consistent client praise for professionalism and quality workmanship.
Do you handle both residential and commercial projects?
Yes, we provide services for both residential homes and commercial properties across the Chicago area.
