We Are R.H. Grabau Construction
Building Trust Since 1946
The expertise gained from 75 years of excellence is demonstrated in hundreds of projects including offices, churches and everything in between.
Talented, Hardworking People
A company is only as good as its people and we have been blessed with talented, hardworking field and office personnel since our founding in 1946.
Award Winning Master Builders
As an award-winning Master Builder, R.H. Grabau Construction takes great pride in our reputation of dependability and quality performance.
Building Trust Since 1946
1946 - 1969
1946
- New Lutheran Church in Ames
- Laid the Concrete for the Cement Floor for Cattle Barn at Boone County Fairgrounds, Boone
- New Northwestern Bell Telephone Company in Ames
- Parish House Addition to the Slater Bethlehem Lutheran Church
- Alterations and Addition to Bryant Elementary, Boone
- Corning Elementary School
1949
- Garner's Memorial Building
1952
- New Franklin School, Ames
- New...
1970 - 1982
1970
- Polk Elementary School, Cedar Rapids
- Iowa State Highway Commissioned Garage, Cedar Rapids
- Telephone Building, New Providence
- Administration Building, Red Rock Dam
- Telephone Building, Union
- Addition & Alterations to Boone County Hospital, Boone
1971
- Welch Junior High School Addition, Ames
- St. Cecilia Church, Ames
- Beardshear School Addition, Ames
- Telephone Building, Blairsburg
- School Bus Garage Building, United...
1983 - 1989
1983
- Page School Windows, Boone
- Church of Jesus Christ of Latter Day Saints, Osceola
- Boone State Bank, Boxholm
- Work Activity Center, Boone County
- Animal Holding Building, USDA, Ames
1984
- YMCA Camp Deck, Boone
- Berg Jr. High School, Newton
- Fareway Store, Emmetsburg
- Drive Up Facility, Hawkeye Savings & Loan, Boone
1985
- Telecommunications Building, ISU, Ames
- Ledges Park Latrines,...
1990 - 1996
1990
- Mary Greeley Hospital Laboratory and Surgical Support Remodeling
- Iowa High School Athletic Assn., Boone, Iowa
- McCreary Building, Perry, Iowa
- Bagel Works Bakery, Ellsworth, Iowa
- Fire Safety Improvements Birch-Welch-Roberts Residence Halls at ISU, Ames, Iowa
- Gertrude Fellows Elementary, Ames, Iowa
1991
- Phi Kappa Psi Fraternity, Ames, Iowa
- Vet. Med. Animal Lab Improvements
- Moore Memorial Park, Ames,...
1997 - 2002
1997
- Waukee Middle School Remodel, Waukee, Iowa
- DeKalb Slabs, Boone, Iowa
- First United Methodist Church, Ankeny, Iowa
- IES West Ames Facility Concrete Work
- 4-H Camp, Linden Hall Remodel, Madrid, Iowa
- Specialty Leather Processing, Boone, Iowa
- AMPC, Inc. - Phase 1, Boone, Iowa
1998
- AMPC, Inc. - Phase 2, Boone, Iowa
- AMPC, Inc. - Phase 3, Boone,...
2003 - 2005
2003
- Boone Booster North Doors
- Hans Boehm Home
- Collegiate Presbyterian Church
- Ledges Wildlife Research Station
- Northcrest Community Remodel
- Dave Boehm Town Home
- Darrell Hanel Town Home
- Dick Jordan Town Home
- Model Town Home
2004
- Swan Creek Cabinets, Boone, Iowa
- Swan Creek North Building
- Randall Story State Bank
- Springbrook State Park
- Sunstrom Dental
- The Livery 2004, Boone,...
2006 - 2008
2006
- DMACC Career Acadamy, Ames, Iowa
- Boehm Insurance Office, Boone, Iowa
- Harland Ace Hardware, Boone, Iowa
- Boone County Hospital
- Boone First Baptist Church Remodeling
- Woodward-Granger Wrestling Building
- Boone Dairy Queen Remodeling
- Boone City Hall - 2006 Interior Remodeling
- Story City Community Recreation Center
2007
- Boone City Hall, Boone, IA, City Hall
- Boone High School Classroom 9th...
2009 - 2010
2010
- ISU Hach Hall Chemistry Building, Ames, IA
- John Caffrey Home Addition, Boone, IA
- Boone Schools Readiness 2010, Boone, IA
- Boone DNR Station, Boone, IA
- Boone Bank of the West, Boone, IA
- Evangelical Free Church Elevator, Boone, IA
- Harris Vaccines, Ames, IA
- Ogden Power Company, Ogden, IA
- Crawford Hall Family Shelter, Boone, IA
- Carroll Park...
2011 - 2012
2011
- DMACC Cafe Remodel-Boone, IA Campus
- Boone and Scenic Valley Railroad Museum, Boone, IA
- Saylorville Wildlife Research Center, Department of Natural Resources
- ISU Hilton Scheman Floor Repair, Ames, IA
- George Eckstein Shop, Boone, IA
- US Bank Remodel, Boone, IA
- Boone Police Department Building, Boone, IA
- Dairy Queen Shed, Boone, IA
- Bank of the West Drive-up...
2013 - 2014
2013
- Holly's Boutique, Boone, IA
- Startford Early Learning Center, Stratford, IA
- Boone Hardware, Boone, IA
- Midland Power Company, Boone, IA
- Iowa State University Fredriksen Court Apartments, Ames, IA
- Boone Municipal Airport, Boone, IA
- Ellsworth Hospital, Iowa Falls, IA
- Iowa High School Athletic Association Remodel and Addition, Boone, IA
- Iowa State University Catt Hall Renovation, Ames,...
2015 - 2016
2015
- Green Hills Retirement
- 1st Baptist Church – Boone
- Boone County Chamber of Commerce
- Imperial Lanes Demolition
- Westhaven Kitchen
- Ace Hardware – Boone
- ISU Forker
- Westhaven Assisted Living – Boone
2016
- Pilot Mound Post Office
- Bank of the West – Ames
- Boehm Insurance – Boone
- US Bank Roof – Boone
- Midland BioProducts
- Woodward Academy
- IHSAA –...
2017 - 2018
2017
- Ames Pet Resort
- Boone Historical Center
- Woodward Academy
- Bondurant Middle School
- ISU Richardson Court
- ISU Pearson
- DNR Ames Nursery
- ISU Jacobson Rm 2129
2018
- Boone Historical Society
- Quinn’s Midwest Family Insurance
- Redeker Strip Mall Remodel – Boone
- Ogden Telephone Office – Boone
- Northwood Ames Preschool
- Ames Collegiate United Method Garage
- ISU Richardson
- Cyclone Car Sales
-...
2019 - 2020
2019 - 2020
- Boone Family Chiropractor
- ISU Armory
- Gilbert HS/MS Schools
- Gilbert Inter/Elem Schools
- Ballard HS/MS Schools
- Parkview Pharmacy
- ISU Agronomy Hall Rm 2104A
- Salvation Army Roof – Marshalltown
- ISU Food Science Rm 1833
- ISU Beyer Hall
- Ames DOT Data Center Remodel
- ISU Bessey Hall
2020 - 2021
2020 - 2021
- DMACC Athletic & Recreation Addition
- Homewood Golf Course Clubhouse
- ISU Veterinary Medicine Room 1671A Remodel
- Roland Story CSD - Transportation Facility & East HS Parking Lot Updates
- ISU Reiman Garden Hillside Pergola Project
- ISU Veterinary Medicine Classroom 2010 Kitchenette Updates
- ISU Veterinary Medicine Classroom 2532 Expansion
- ISU Gilman Hall Office & Lab...
2021 - 2022
2021 - 2022
- United Community School District Renovations
- Ogden Highschool Misc. Roof Repairs
- Grants Woods Restroom Facility
- Jefferson Central Christian Church Renovations
- Sacred Heart Schools - Lab Renovation
- Iowa Arboretum - Gazebo Repairs
- AASF Generator Additions at Boone National Guard
- ISU College of Design Room 101 Renovations
2022 - 2023
2022 - 2023
- Story City - City Hall Renovations
- ISU Poultry Farm - Teaching & Research Facilities - Phase 2 Renovations
- Bondurant Junior High - General Construction Bid Package
- ISU Horticulture Research Station - AVES Building
- Boone Jimmy Johns
- ISU Helser Residence Hall - Laundry Improvements
- ISU Gilman Hall - Accessible Restroom Improvements
- Ames HS...
2023 - 2024
2023-2024
- Boone County Hospital - Behavioral Health Renovations
- Crossroads Learning Hub
- DMACC - Boone Campus Visitors Dugout
- Boone Fire Station Addition
- ISU Agronomy Hall Room 1102 Remodel
- ISU Veterinary Medicine Child Care Center Renovations
- Boone County Hospital - MRI Replacement Renovations
- CyRide Shop Rehabilitation
- ISU Student Innovation Center - Admin Suite Remodel
- Bondurant CSD -...
2024 - 2025
2024 - 2025
- Iowa Arboretum - Nature Playground
- Misc repairs at Iowa Arboretum
- ISU Curtiss Farm - Plant and Seed Facility Remodel
- ISU Lagomarcino Hall Room 2311 Remodel
- ISU Heady Hall Room 0382 Remodel
- Misc repairs/updates at Iowa National Guard Boone Facility
Meet Our Team
A company is only as good as its people and we have been blessed with talented, hardworking field and office personnel since our founding in 1946.
Team Member Since 1987
Team Member Since 1983
