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WISCONSIN UNIFORM DWELLING CODE (UDC)
CONSTRUCTION INSPECTOR EXAM PRACTICE TEST
2026/2027 COMPLETE (100) CURRENT TESTING
QUESTIONS AND CORRECT ANSWERS WITH DETAILED
RATIONALES.
(UDC)
Prepare for the Wisconsin Uniform Dwelling Code Construction Inspector Exam
Practice with a focused study resource designed to reinforce essential residential
construction inspection concepts. It supports review of building structure,
foundations, framing, safety requirements, permits, inspections, code interpretation,
and Wisconsin UDC requirements for one- and two-family dwellings. Use the material
to strengthen inspection judgment, improve code application skills, and identify areas
that may require additional review before the examination. This resource is best suited
for Wisconsin UDC construction inspectors, building officials, contractors,
construction professionals, and candidates preparing for the Construction Inspector
certification exam.
MULTIPLE CHOICE.
SECTION 1: ADMINISTRATION & ENFORCEMENT (SPS 305, SPS 320)
1. What does the Wisconsin Uniform Dwelling Code (UDC) primarily
regulate?
• A) Commercial high-rise buildings
• B) One- and two-family dwellings
• C) Industrial facilities
• D) Bridges and highways
Answer: B) One- and two-family dwellings
Rationale: The UDC governs construction, alteration, and inspection of
one- and two-family dwellings in Wisconsin. Commercial and industrial
buildings are covered under other codes.
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2. Which agency administers and enforces the Wisconsin Uniform
Dwelling Code?
• A) EPA
• B) DHS
• C) Department of Safety and Professional Services (DSPS)
• D) FEMA
Answer: C) Department of Safety and Professional Services (DSPS)
Rationale: DSPS is responsible for enforcement and administration of the
Wisconsin UDC. The DSPS oversees credentialing, examination, and code
enforcement for one- and two-family dwellings.
3. What is the primary purpose of SPS 305 in the Wisconsin Administrative
Code?
• A) Regulate construction materials
• B) Establish safety standards for electrical systems
• C) Provide the scope and procedures for the UDC related to residential
construction
• D) Manage environmental impact assessments
Answer: C) Provide the scope and procedures for the UDC related to
residential construction
Rationale: SPS 305 outlines the purpose, scope, and procedures for the
Wisconsin Uniform Dwelling Code (UDC), focusing on residential
construction regulations and inspections.
4. The Uniform Dwelling Code (UDC) applies to one- and two-family
dwellings constructed after what date?
• A) January 1, 1970
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• B) November 1976
• C) June 1, 1980
• D) December 1, 1978
Answer: C) June 1, 1980
Rationale: The UDC applies to one- and two-family dwellings built since
June 1, 1980. Homes built before this date are generally exempt from UDC
requirements.
5. Which of the following structures is explicitly exempt from Wisconsin
UDC inspection requirements?
• A) A manufactured home placed on a permanent foundation after June
1, 1980
• B) A modular home approved under the National Manufactured Housing
Construction and Safety Standards Act
• C) A single-family home constructed prior to June 1, 1980
• D) An accessory dwelling unit (ADU) attached to an existing dwelling
Answer: C) A single-family home constructed prior to June 1, 1980
Rationale: Homes built before the June 1, 1980 cutoff are not subject to
the UDC. All later construction, including manufactured and modular
homes, must comply.
6. The UDC applies to all of the following EXCEPT:
• A) A one- or two-family dwelling
• B) An onsite installation of a manufactured home on piers
• C) A community-based residential facility for 7 unrelated adults
• D) A three-unit multifamily dwelling
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Answer: D) A three-unit multifamily dwelling
Rationale: The UDC specifically applies to one- and two-family dwellings.
A three-unit multifamily dwelling falls outside the scope of the UDC and
would be covered under the Wisconsin Commercial Building Code.
7. How long is a typical building permit valid before requiring renewal or
extension in Wisconsin?
• A) 6 months
• B) 1 year
• C) 2 years
• D) 5 years
Answer: B) 1 year
Rationale: Building permits for residential construction in Wisconsin are
typically valid for one year, with extension options available if needed.
8. Which document is generally required as part of the permit application
for residential construction?
• A) Structural engineering report
• B) Plot plan showing lot and building location
• C) Environmental impact statement
• D) Soil analysis report
Answer: B) Plot plan showing lot and building location
Rationale: A plot plan is required to show the location of the proposed
building on the lot, ensuring proper setbacks and compliance with zoning.
9. Which document is required to be submitted with a building permit
application for a new one-family home to demonstrate compliance with
the energy code?
WISCONSIN UNIFORM DWELLING CODE (UDC)
CONSTRUCTION INSPECTOR EXAM PRACTICE TEST
2026/2027 COMPLETE (100) CURRENT TESTING
QUESTIONS AND CORRECT ANSWERS WITH DETAILED
RATIONALES.
(UDC)
Prepare for the Wisconsin Uniform Dwelling Code Construction Inspector Exam
Practice with a focused study resource designed to reinforce essential residential
construction inspection concepts. It supports review of building structure,
foundations, framing, safety requirements, permits, inspections, code interpretation,
and Wisconsin UDC requirements for one- and two-family dwellings. Use the material
to strengthen inspection judgment, improve code application skills, and identify areas
that may require additional review before the examination. This resource is best suited
for Wisconsin UDC construction inspectors, building officials, contractors,
construction professionals, and candidates preparing for the Construction Inspector
certification exam.
MULTIPLE CHOICE.
SECTION 1: ADMINISTRATION & ENFORCEMENT (SPS 305, SPS 320)
1. What does the Wisconsin Uniform Dwelling Code (UDC) primarily
regulate?
• A) Commercial high-rise buildings
• B) One- and two-family dwellings
• C) Industrial facilities
• D) Bridges and highways
Answer: B) One- and two-family dwellings
Rationale: The UDC governs construction, alteration, and inspection of
one- and two-family dwellings in Wisconsin. Commercial and industrial
buildings are covered under other codes.
, Page 2 of 40
2. Which agency administers and enforces the Wisconsin Uniform
Dwelling Code?
• A) EPA
• B) DHS
• C) Department of Safety and Professional Services (DSPS)
• D) FEMA
Answer: C) Department of Safety and Professional Services (DSPS)
Rationale: DSPS is responsible for enforcement and administration of the
Wisconsin UDC. The DSPS oversees credentialing, examination, and code
enforcement for one- and two-family dwellings.
3. What is the primary purpose of SPS 305 in the Wisconsin Administrative
Code?
• A) Regulate construction materials
• B) Establish safety standards for electrical systems
• C) Provide the scope and procedures for the UDC related to residential
construction
• D) Manage environmental impact assessments
Answer: C) Provide the scope and procedures for the UDC related to
residential construction
Rationale: SPS 305 outlines the purpose, scope, and procedures for the
Wisconsin Uniform Dwelling Code (UDC), focusing on residential
construction regulations and inspections.
4. The Uniform Dwelling Code (UDC) applies to one- and two-family
dwellings constructed after what date?
• A) January 1, 1970
, Page 3 of 40
• B) November 1976
• C) June 1, 1980
• D) December 1, 1978
Answer: C) June 1, 1980
Rationale: The UDC applies to one- and two-family dwellings built since
June 1, 1980. Homes built before this date are generally exempt from UDC
requirements.
5. Which of the following structures is explicitly exempt from Wisconsin
UDC inspection requirements?
• A) A manufactured home placed on a permanent foundation after June
1, 1980
• B) A modular home approved under the National Manufactured Housing
Construction and Safety Standards Act
• C) A single-family home constructed prior to June 1, 1980
• D) An accessory dwelling unit (ADU) attached to an existing dwelling
Answer: C) A single-family home constructed prior to June 1, 1980
Rationale: Homes built before the June 1, 1980 cutoff are not subject to
the UDC. All later construction, including manufactured and modular
homes, must comply.
6. The UDC applies to all of the following EXCEPT:
• A) A one- or two-family dwelling
• B) An onsite installation of a manufactured home on piers
• C) A community-based residential facility for 7 unrelated adults
• D) A three-unit multifamily dwelling
, Page 4 of 40
Answer: D) A three-unit multifamily dwelling
Rationale: The UDC specifically applies to one- and two-family dwellings.
A three-unit multifamily dwelling falls outside the scope of the UDC and
would be covered under the Wisconsin Commercial Building Code.
7. How long is a typical building permit valid before requiring renewal or
extension in Wisconsin?
• A) 6 months
• B) 1 year
• C) 2 years
• D) 5 years
Answer: B) 1 year
Rationale: Building permits for residential construction in Wisconsin are
typically valid for one year, with extension options available if needed.
8. Which document is generally required as part of the permit application
for residential construction?
• A) Structural engineering report
• B) Plot plan showing lot and building location
• C) Environmental impact statement
• D) Soil analysis report
Answer: B) Plot plan showing lot and building location
Rationale: A plot plan is required to show the location of the proposed
building on the lot, ensuring proper setbacks and compliance with zoning.
9. Which document is required to be submitted with a building permit
application for a new one-family home to demonstrate compliance with
the energy code?
