Bertram-Blondina Handrail & Stair
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Bertram-Blondina Handrail & Stair
From Traditional, to Craftsman and Modern Styles, we have over 30 years experience in all aspects of Stair design and construction. Bertram/Blondina Handrail & Stair, Inc. has been building fine hardwood staircases, handrails and balustrades for over 20 years in the North San Francisco Bay area including Sonoma, Napa, Marin, and San Francisco counties.

We are committed to providing our clients with high quality woodwork including staircasing and handrailing, custom fireplace mantles, interior trim and architectural millwork. We offer a full compliment of stair, handrail and balustrade (banister) design, manufacturing and installation.
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Distinctive stairs occupy an important part of nearly every classic architectural style. Whether straight or curved, steep or gradually inclined, narrow or wide, grand or understated, stairs can make a stylistic statement of their own or be used to tie the whole house visually together. Balance and simplicity are sometimes all that is needed for an entrance stair.
Similar to Arts and Craft style but distinguished by the sequencing of balusters, patterns cut into balusters or rectangular balusters. Our craftsman style encourages originality, simplicity of form, and the visibility of handicraft. The earlier craftsman usually made the moldings and trim on site with their available tools resulting in beveled cuts and linear design.
Greene and Greene was an architectural firm established by brothers Charles Sumner Greene (1868-1957) and Henry Mather Greene (1870-1954), influential early 20th Century American architects. Active primarily in California, their bungalow houses and larger-scale ultimate bungalows are prime exemplars of the American Arts and Crafts Movement.
Spiral stairs wind around a central pole. They typically have a handrail on the outer side only. Spiral stairs were originally designed in a clockwise ascent in order to fend off right-handed attacking swordsmen but have undergone many changes over the 2500 years since their introduction.

Today spiral stairs are used as a space efficient way to achieve the next higher floor and if you are not worried about right handed swordsmen they are also available in reverse-clockwise ascent direction.A 5' diameter spiral is the smallest that will meet California Stair Code. We design and build custom spiral stairs as well as work with a company that specializes in spiral stairs to bring you a very nice product at an affordable price.
Architectural Millwork is defined as any wood mill produced building construction interior finish component such as doors, window casing, baseboard, mantels, and crown molding created to match an architectural style. Architectural Millwork dovetails with stiarbuilding.

We have been asked to fabricate a large variety of architectural millwork projects such as hardwood beams, custom corbels, custom pot racks, butcher block counter tops, wainscotting, post wraps, coffered ceilings, columns, built-ins, custom millwork, etc.We bend wood and bandsaw radius pieces for various projects.
Reviews (8)
Dan R.
Dan R.
Jan 27, 2022
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This company installed beautiful stainless cable railings for both our dining/living room and stairwell. They did an excellent job planing down the existing top rails and the installation was quick and seamless!
Miles Milbank
Miles Milbank
May 04, 2021
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Frank Blondina really knows his stuff. Obviously a very class operation
Kirsty Kumpula
Kirsty Kumpula
Apr 14, 2021
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This place is professional and they help me out with all my needs. They do amazing work and answered all my questions will recommend to anyone who needs beautiful handrails.
Jerry M.
Jerry M.
Nov 02, 2020
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These guys are absolutely amazing. I dealt with Frank and he was a class act and totally professional. They made a railing for my house and I couldn't be more pleased. The installers were clean, punctual and very easy to work with.....thanks for a great job!!
Debbie S.
Debbie S.
Oct 27, 2020
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Very professional. Arrived wearing masks; cleaned up each evening, even vacuumed. Bob did the installation and cutting, a true craftsman. His work is beautiful. We had our current bannister completely replaced and brought up to code. Our new bannister is made of cherry wood and has several curves and corners....it is now the bannister we've always wanted!!
Mo L.
Mo L.
Dec 30, 2018
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We could not be more pleased with the 4 mantels, rail and balusters that Bertram & Blondina provided for our home remodel. From the very start, they were patient and helpful - providing ideas re: materials and styles. Our new stair rail and balusters are stunning and each mantel has beautiful details. We are so glad we found Frank, Dominic and Robert and highly recommend their work! They are true craftsmen!
Brandon Renninger
Brandon Renninger
Dec 27, 2018
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Frank and Robert were amazing to deal with and very responsive. The worker who did our mantle and handrail was top of the line!!!! His work was perfection!!!!!! From start to finish this company exceeded our expectations and the final project turned out amazing!!!!! I would definitely recommend them!!!!!!!!
Jessica L.
Jessica L.
Jul 27, 2013
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Beautiful craftsmanship, you ask and they will make! Very prompt and super helpful. Had them make 2 different stair railings.