NCModernist Architecture You Love

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Albert Carl Koch
and Techbuilt
Houses

Albert Carl Koch was born in Milwaukee WI. He was educated at Harvard and got a Master of Architecture degree from Harvard in 1937. He then moved to Sweden and worked for Sven Markelius for six months, blending his formal education with clean Scandinavian design. He returned to the US to design mostly houses for Edward Durell Stone, including a house for his own parents.bbLater in the 1940s, Koch designed several affordable prefabricated housing prototypes. He did the original Acorn House (1946), re-design of the all-steel Lustron House (1949), and Conantum, one of the nation's first cluster housing developments in Concord MA (1951). Launched in 1953, his Techbuilt House was wildly successful and would be available in twenty-two models. The Techbuilt House could be constructed (on average) for $7.50/sf, as compared to $10/sf for a conventional house and $15/sf for a custom-built house. Over 3,000 houses were sold in the US before 1963.

In 1958, Koch co-authored At Home With Tomorrow about the Techbuilt House and Koch's other prefab designs. Video. Techbuilt brochure used in NC by builder Bob Bacon. Techbuilt research site. The Techbuilt Idea.

Techbuilt offered 6 house sizes, 20' and 24' wide x 32', 40', 48' long. The original Techbuilt was showcased at the 1954 World's Fair in Ridgewood NJ.

1954 - St. Louis MO. Built by Mayer-Raeshier Brothers, Techbuilt Franchisee. Their version was brick instead of board and batten wood siding and the interior wall were plastered.

Albert Carl Koch and Techbuilt Houses Albert Carl Koch and Techbuilt Houses Albert Carl Koch and Techbuilt Houses Albert Carl Koch and Techbuilt Houses
1954

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22575 Hilliard Road, Rocky River, OH

Contractor Fairhill Construction for Modernage Inc (franchisee). Houses were to be built in Cuyahoga, Llake Lorrain, and Geauga Counties. First photo from 1954 newspaper.

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1954

Concord MA

Concord MA
1954

The Herbert M. and Veva Jaeger House

102 Glenwood Road, Morganton NC

Sold around 1957 to the Brysons. Sold to the Clarks. Fell into disrepair. Sold to Harry and Denice Seng. Sold in 2016 to Danielle H. and Richard Scott Garnes.

The Herbert M. and Veva Jaeger House The Herbert M. and Veva Jaeger House The Herbert M. and Veva Jaeger House
1955

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910 Sunset Road, Ann Arbor MI

Built by Tech Inc of Cambridge. First 3 photos in 2019 by Jacob Hamilton.

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1955

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6 Demar Road, Lexington MA

Sold in 2006 to Wan B. Tai and Lianasari Tai. This is part of MiddleRidge/Turning Mill Development Subdivision, approximately 35 Techbuilt homes built between 1955 and 1967.

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1956

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4 Demar Road, Lexington MA

Sold in 1994 to Peter Fordham and Susan Wolf-Fordham.

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1956

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5 Demar Road, Lexington MA

Sold in 2007. Sold in 2015 to Vikram Dere and Sonal Acharya.

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1956

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7 Demar Road, Lexington MA

Sold in 2015 to Ian and Nicole Mutnick.

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1956

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8 Demar Road, Lexington MA

Sold in 2017. Sold in 2022 to Manuel Egele and Ophelia Maertens. Updated and expanded.

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1956

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9 Demar Road, Lexington MA

Sold in 2015 to Min Zhu and Hongsheng Liu. Expanded over time.

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1956

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10 Demar Road, Lexington MA

Sold in 2008 to Menahem Elany and Nirit Ben-Efraim.

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1956

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11 Demar Road, Lexington MA

Sold in 2006 to Loris Spadaccini and Farrah Jeong.

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1956

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12 Demar Road, Lexington MA

Sold in 1967 Elisabeth and Lawrence Freier. Transferred in 2021 to Lawrence and David Freier after Elisabeth's death.

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1956

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13 Demar Road, Lexington MA

Sold in 2002 to David and Julie Vogel.

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1956

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16 Demar Road, Lexington MA

Sold in 2000 to John C. Royer and Katherine Lobuglio.

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1956

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17 Demar Road, Lexington MA

Sold in 2015 to Caren Deardorf. Had a 2006 addition of 1,000 sf.

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1956

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18 Demar Road, Lexington MA

Sold in 2015 to Reinhard Schumak and Catherine Mackinnon.

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1956

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19 Demar Road, Lexington MA

Sold in 2010 to Sang Chen-Lee.

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1956

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20 Demar Road, Lexington MA

Sold in 2024 to James Chan and Victoria Park.

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1956

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21 Demar Road, Lexington MA

Sold to Rebecca Jones-Bloom. Sold in 2015 to Champak and Salmanti Das.

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1956

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4 Turning Mill Road, Lexington MA

Sold to Carol Bogin. Sold in 2012 to Madalene Sullivan and Victor Vizgaltis. Sold in 2021 to Grant Lacouture and Marlene R Adelmann-Mitcheson.

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1956

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721 Fairbanks Road, Charlotte NC

Was on the 1956 Charlotte Christmas Parade of Homes. Sold in 1985 to Sisan S. and George T. King, still owners as of 2022.

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Around 1956

The C. D. S. Clarkson House

1.33 miles from town on Franklin Road, Hwy 64, Highlands NC

The C. D. S. Clarkson House
Around 1956

The Mrs. Gilbert S. Brownell House, Billy Cabin Ridge

54 Brownell Road, Highlands NC

Sold in 2017 to Jeffrey D. Zahner.

The Mrs. Gilbert S. Brownell House, Billy Cabin Ridge
1957

The Clifton H. and Juanita Kreps Residence

634 Morgan Creek Road, Chapel Hill NC

Sold in 1974 to Jay and Carolyn Judson. Sold in 1991 to David and Ruth Morgan who still owned it as of 2022. Garage added in 1994.

The Clifton H. and Juanita Kreps Residence
1957

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3 Demar Road, Lexington MA

Sold in 1998 to Dennis Frenchman and Linda Prosnitz.

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1957

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7 Turning Mill Road, Lexington MA

Sold to Robert Foss. Sold in 2016 to Elia Fabio. Sold in 2023 to Khurram Ghafoor and Mahrukh Malik.

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1958

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22 Demar Road, Lexington MA

Sold to Thomas Lavin. Sold in 1988 to Joyce Mendillo. Sold in 2014 to David and Erica Faye.

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1958

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23 Demar Road, Lexington MA

Sold in 1997 to Nancy Magilavy. Sold in 2001 to Cameron and Sharon Goddard.

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1958

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25 Demar Road, Lexington MA

Sold to Stanley and Michelle Waters. Sold in 1993 to David Jick and Lori Deliso.

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1959

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26 Demar Road, Lexington MA

Sold in 1991 to Daniel and Eva Castagnozzi.

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1959

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27 Demar Road, Lexington MA

Sold to Richard H. Doyle. Sold in 2017 to James Wu and Annika D. Feenstra-Wu.

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1959

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28 Demar Road, Lexington MA

Sold in 1991 to Pedro Lilienfield.

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1959

The John and Anne Spitznagel House

515 Morgan Creek Road, Chapel Hill NC

Photo by Dail Dixon. Sold in 1965 to George W. and Barbara Selden Douglas. Sold in 1967 to Robert M. and Mary Alice Griffin. Sold in 1970 to Robert and Jewel Frary. Sold in 1971 to Charles and Jean Vickery. Sold in 1977 to Rodney and Nancy Barfield. Sold in 1979 to Claudia and Charles H. Stephens Jr. Sold in 1994 to Tom and Marsha Jepsen who still owned it as of 2022.

The John and Anne Spitznagel House
1960

The Robert F. and Zella D. Leonard House

708 Coker Lane, Chapel Hill NC

Sold in 1979 to George P. (Philip) and Ruth J. Manire. Was a rental for many years. Sold in 2001 to Adrienne Hanmer. Sold in 2002 to Claire Williams and Floyd Emmitt Bridgwater Jr. Sold in 2017 to Leah Boucher and John Strickler.

The Robert F. and Zella D. Leonard House The Robert F. and Zella D. Leonard House The Robert F. and Zella D. Leonard House
1961

The Edward C. and Hazel Schroeder Bolmeier House

1535 Pinecrest Road, Durham NC

According to their daughter Jane, this is a Techbuilt house. Sold in 1989 to Nancy and Samuel Hope. Sold in 1996 to John Staddon and Lucinda M. Paris. Sold in 2011 to Jacqueline and Gordon Bagwell. Photo by Heather Wagner.

The Edward C. and Hazel Schroeder Bolmeier House
About 1962

The National Solar Observatory Houses

Coronal Loop, Sunspot NM

These were among 21 surviving TechBuilt homes designed by Carl Koch that remained in use at the site through 2012. At that time, approximately 20 units served as staff housing, with one used as a library and recreation center.Following the consolidation of the National Solar Observatory’s Sunspot and Tucson operations in Boulder, the TechBuilt units were dismantled and donated to Habitat for Humanity in 2012. Photos courtesy of Mark Gutzman.

The National Solar Observatory Houses The National Solar Observatory Houses The National Solar Observatory Houses
1962

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6 Turning Mill Road, Lexington MA

Sold to Monique Wood. Sold in 1992 to Lawrence and Ellen Bernstein. Sold in 2016 to Rania Hassouna.

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1962

The Thomas and Nancy Wilson Residence

2721 Sevier Street, Durham NC

Two beams run the full length of the house and there are no interior loadbearing walls. The unique hot water heating system not only heats water but the entire house through a series of pipes and radiator fans. 3328 square feet. Sold in 1998 to Deborah Rust. Sold in 2007 to Johannes Bouten and Leta Nutt. Sold in 2009 to Thomas and Wendy Edds.

The Thomas and Nancy Wilson Residence The Thomas and Nancy Wilson Residence The Thomas and Nancy Wilson Residence
1962

The Elizabeth H. and George Pasti Jr. House

901 Forest Hill Circle, Greenville NC

Sold in 1968 to Juanita F. and David T. Greer. Sold in to 1986 to Janean K. and Richard E. Spradling. Sold in 1993 to Katrina J. and Joseph K. Kiely. Sold in 2006 to Kristen and Scott D. Below. Photo by Kristen Below.

The Elizabeth H. and George Pasti Jr. House
1962

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710 Coker Lane, Chapel Hill NC

Sold in 1973 to George P. (Philip) and Ruth Manire. Sold in 1975 to Kim Simmons. Sold in 1987 to John Scheetz. Sold in 1992 to Evelynn Kawata and James Naudeau. Sold in 1999 to Arlene Davis and John Peterson. Sold in 2021 to Arlene M. Davis and John L. Peterson, Trustees.

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1963

The Thomas O. Perry House

5048 Avent Ferry Road, Raleigh NC

Deeded in 1998 to Craig and Harriet Perry. Deeded in 2002 to Craig Perry. Deeded in 2012 to Craig and Tamara Sue Perry. Sold in 2017 to Robert C. Mataxis. Sold in 2021 to Kristine Kryger and Derrick Lowder.

The Thomas O. Perry House The Thomas O. Perry House
1967

The Walter Allen Jr. Residence

1 Davie Lane, Chapel Hill NC

Sold in 1971 to Samuel and Gerda Fillenbaum. Sold in 2016 to Terry Y. Lorant.

The Walter Allen Jr. Residence
1967

The Jerry and Janice Warren House

3113 Birnamwood Road, Raleigh NC

Sold in 1971 to Richard and Edith Sylla. Sold to Edythe Poyner. Sold in 2016 to West Highland Run LLC, controlled by Poyner. Sold in 2019 to Marianne and Constantine Jordanou. Destroyed. A new house was planned, designed by Vinny Petrarca, unbuilt as of 2025.

The Jerry and Janice Warren House The Jerry and Janice Warren House The Jerry and Janice Warren House

Sources include: Sally Greene; Virginia Faust; Harry Seng; Philip Manire; Claire Williams.