Go Straight To The Source
Choose your state to find official credential, consumer and project resources. A registration, trade license and local approval may serve different purposes; confirm which apply to your work.
Official Resources By State
Alabama
Alabama Home Builders Licensure Board ↗Check the Home Builders Licensure Board for the residential work proposed, then confirm separate trade credentials where relevant.Alabama Attorney General Consumer Resources ↗Use the Attorney General’s consumer resources when reviewing sales promises or preparing a documented complaint.Birmingham Planning, Engineering & Permits ↗For Birmingham work, use the permit guide and mapping to identify review for grading, driveway access and associated construction.
Alaska
Alaska Construction Contractor Registration ↗Use the state construction-contractor register and confirm the category and any separate trade credential for the work.Alaska Consumer Protection Unit ↗Consult Alaska’s Consumer Protection Unit for contractor-shopping guidance and complaint information.Anchorage Development Services ↗Use Anchorage Development Services resources for building-specific roof assessment and permit questions; confirm the local authority elsewhere.
Arizona
Arizona Registrar of Contractors ↗Check the Registrar of Contractors record, classification and current status against the contracting business name.Arizona Attorney General Consumer Protection ↗Use the Attorney General’s consumer guidance to assess sales claims and preserve complaint documentation.Phoenix Landscape Watering Resources ↗For Phoenix irrigation work, review plant groups and seasonal watering before choosing new controls or emitters.
Arkansas
Arkansas Contractors Licensing Board ↗Ask the Contractors Licensing Board which credential category covers the proposed work and verify the named business.Arkansas Attorney General Public Protection ↗Use the Attorney General’s public-protection resources to review consumer concerns and complaint options.Little Rock General Property FAQs ↗Little Rock directs private clearing questions to Civil Engineering and public right-of-way tree-removal questions to Parks & Recreation.
California
California Contractors State License Board ↗Check CSLB license status and classification, matching the record to the business that will sign the contract.California Attorney General Consumer Resources ↗Use California DOJ consumer resources and its complaint-referral guidance for the issue involved.San Diego Wildfire Prevention ↗San Diego distinguishes home risk assessments from real-estate defensible-space inspections; choose the appropriate route and confirm parcel applicability.
Colorado
Denver Contractor Licensing and State Trade Credentials ↗Review Denver’s contractor licensing route and its distinction between local contractor approval and state trade credentials; ask other municipalities about their own requirements.Colorado Attorney General Complaint Resources ↗Use the Attorney General’s complaint resources to identify the appropriate route for a consumer dispute.Denver Roofing Permit Information ↗Review Denver’s roofing permit materials with the contractor, including whether the project fits the routine permit process.
Connecticut
Connecticut Home Improvement Resources ↗DCP hiring guidance, registration checks, contracts and complaints.Connecticut eLicense ↗Search state license and registration records.
Delaware
Delaware Contractor Registration ↗Review Delaware contractor registration and separately confirm the trade credential appropriate to the work.Delaware Consumer Protection Unit ↗Use the Delaware Consumer Protection Unit for consumer guidance and complaint routing.Wilmington Water and Sewer FAQs ↗Wilmington’s utility FAQs discuss private service-line responsibility; confirm the actual connection and repair boundary before excavation.
District of Columbia
DC Contractor Business Licensing ↗Confirm the contractor’s DC business-license category and any separate trade credential before assigning permit responsibility.DC Attorney General Consumer Protection ↗Use the DC Attorney General’s consumer-protection resources for contracts, sales practices and complaint information.DC Historic Preservation Design Guidelines ↗For historic properties, review the applicable roof and sustainability guidance with HPO before ordering visible equipment or replacement materials.
Florida
Florida Construction Industry Licensing ↗Use Florida’s construction-licensing resources to check the entity, qualification and scope applicable to the project.Florida Attorney General Consumer Protection ↗Consult the Attorney General’s consumer guidance when assessing storm-repair offers or documenting a dispute.City of Miami Roofing Permits ↗For a City of Miami roof, follow the city’s permit process and product-documentation instructions; do not substitute the county’s unincorporated route.
Georgia
Georgia Residential and General Contractors Board ↗Check the Georgia residential and general contractor category relevant to the job, plus separately regulated trades.Georgia Consumer Protection Division ↗Use Georgia’s Consumer Protection Division for hiring guidance and complaint resources.Savannah Historic Applications ↗Savannah’s MPC applications identify the preservation review route; confirm the district and document repair versus replacement before ordering windows.
Hawaii
Hawaii Contractors License Board ↗Check the Hawaii Contractors License Board for the entity and classification covering the proposed installation.Hawaii Office of Consumer Protection ↗Use the Office of Consumer Protection’s business-check and consumer-education resources before committing to a contract.Honolulu Planning and Permitting FAQs ↗Honolulu DPP’s FAQs explain permit questions; describe equipment replacement, relocation and associated electrical or structural changes separately.
Idaho
Idaho Contractors Board ↗Use the Idaho Contractors Board registration search, then verify any separately required trade or tester credential.Idaho Attorney General Consumer Protection ↗Consult the Idaho Attorney General’s consumer resources for business disputes and purchasing guidance.Idaho Drinking Water FAQs ↗Idaho DEQ explains cross-connection responsibilities; confirm the serving water provider’s program before irrigation startup or alteration.
Illinois
Illinois Roofing Contractor Licensing ↗Use Illinois roofing-license resources for roof work and confirm the separate credential and local requirements for other trades.Illinois Attorney General Consumer Protection ↗Review the Attorney General’s consumer resources when comparing home-repair contracts or pursuing a complaint.Chicago Basement Flooding Guidance ↗Chicago’s basement-flooding guidance distinguishes public sewer capacity and private drainage contributions; diagnose the entry route before selecting equipment.
Indiana
Indiana Plumbing Commission ↗Check Indiana plumbing licensing for plumbing work and ask the local jurisdiction about other contractor and permit requirements.Indiana Attorney General Consumer Protection ↗Use Indiana’s Consumer Protection Division for contract-shopping information and complaint assistance.Citizens Energy Correct Connect ↗Citizens Energy’s Correct Connect guidance explains how to identify possible sump and downspout connections to sanitary plumbing.
Iowa
Iowa Contractor Registration ↗Check DIAL contractor registration and separately verify the relevant trade license; registration is not a substitute for trade authorization.Iowa Attorney General Consumer Resources ↗Iowa Attorney General resources cover consumer complaints and safe-excavation information useful before digging.Cedar Rapids Stormwater Resources ↗Ask Cedar Rapids Sewer and Stormwater about the parcel’s available discharge route before connecting a sump or restoring the yard.
Kansas
Kansas Roofing Registration ↗Use Kansas roofing-registration resources for roof work and ask the municipality about other contractor requirements.Kansas Attorney General Consumer Protection ↗Consult the Attorney General’s consumer-protection guidance before accepting an urgent repair offer or financing arrangement.Wichita Stormwater Management ↗Wichita Stormwater Management identifies the public drainage system’s role; confirm private grading and outlet questions with the city.
Kentucky
Kentucky Division of Plumbing Licensing ↗Use Kentucky’s Division of Plumbing licensing resources for plumbing work and confirm other trade and local requirements separately.Kentucky Attorney General Consumer Resources ↗The Attorney General’s consumer resources provide guidance and complaint options for household purchases and services.Louisville MSD Plumbing Modification ↗Ask Louisville MSD about project eligibility and required steps before commissioning plumbing modifications under an assistance program.
Louisiana
Louisiana State Licensing Board for Contractors ↗Check the Louisiana contractor board record and classification for the actual residential, specialty or elevation scope.Louisiana Attorney General Consumer Disputes ↗Use the Attorney General’s consumer-dispute resources to understand complaint routes and preserve contract evidence.New Orleans Elevation Permits ↗New Orleans elevation-permit guidance distinguishes structural submissions and additional HDLC or VCC review where applicable.
Maine
Maine Professional Licensing ↗Find a licensee, the appropriate board and disciplinary resources.Maine Attorney General Consumer Information ↗Consumer protection and home-construction information.
Maryland
Maryland Home Improvement Commission ↗Use the Maryland Home Improvement Commission to check the contracting business and confirm separate trade credentials where needed.Maryland Attorney General Consumer Protection ↗Consult Maryland’s Consumer Protection Division for homeowner guidance and complaint information.Baltimore CHAP Application Guidance ↗For Baltimore historic properties, prepare photographs, existing-condition details and proposed material information for CHAP review.
Massachusetts
MA Contractor Hub ↗Home Improvement Contractor registration and homeowner resources.Massachusetts Trade License Checks ↗Find the appropriate board and license lookup for the trade.HIC Homeowner Resources ↗Scope, written contracts, insurance and hiring questions.
Michigan
Michigan Residential Builders Licensing ↗Check Michigan’s residential-building credential category and the separate trade licenses applicable to the proposed repair.Michigan Attorney General Consumer Protection ↗Use the Attorney General’s consumer-protection materials for repair contracts, scams and complaint procedures.Detroit Basement Backup Resources ↗Detroit DWSD recommends investigating service-line condition and drainage contributions before selecting a backup-reduction measure.
Minnesota
Minnesota Residential Contractor Licensing ↗Use DLI’s residential-contractor resources and confirm that the credential category covers the full proposed scope.Minnesota Attorney General Consumer Resources ↗The Minnesota Attorney General provides consumer resources for home-repair shopping and disputes.Minnesota Home Energy Guidance ↗Commerce’s ice-dam guidance supports investigating attic air leakage before choosing insulation or roof modifications.
Mississippi
Mississippi State Board of Contractors ↗Confirm the contractor’s applicable Mississippi board credential and ask the local authority about project-specific requirements.Mississippi Attorney General Consumer Protection ↗Use Mississippi Attorney General consumer resources when reviewing repair offers or documenting a complaint.Gulfport Building Code Services ↗Gulfport Building Code Services provides roof and other permit applications, submission instructions and a separate flood-information route.
Missouri
St. Louis Building Division ↗Ask St. Louis Building Division about local contractor and trade requirements; use the appropriate jurisdiction elsewhere in Missouri.Missouri Attorney General Consumer Help ↗Use the Missouri Attorney General’s help resources for consumer complaints and purchasing concerns.St. Louis Masonry Repointing Standards ↗St. Louis publishes repointing standards; discuss compatibility and historic review before removing mortar across an entire facade.
Montana
Montana Construction Contractor Licensing ↗Use Montana’s contractor resources to distinguish construction contractor licensing, independent-contractor questions and separately licensed trade work.Montana Office of Consumer Protection ↗Consult Montana’s Office of Consumer Protection for consumer education and complaint information.Gallatin County Plans and Policies ↗Review Gallatin County’s adopted plans and confirm parcel-specific wildfire or subdivision conditions before finalizing a landscape scope.
Nebraska
Nebraska Contractor Registration ↗Check Nebraska contractor registration and separately confirm the applicable trade credential and local construction requirements.Nebraska Attorney General Consumer Protection ↗Use the Attorney General’s Protect the Good Life resources for consumer guidance and complaint options.Omaha Sewer Division ↗Omaha’s Sewer Division handles several sewer-system types and downspout programs; identify the actual receiving system before altering a connection.
Nevada
Nevada State Contractors Board ↗Check Nevada Contractors Board license status and classification against the specific landscape, irrigation or building scope.Nevada Attorney General Consumer Protection ↗Use Nevada Attorney General consumer resources to assess misleading sales promises and complaint routes.Southern Nevada Water Smart Landscapes ↗SNWA requires a pre-conversion process for its landscape program; confirm the current terms before turf removal.
New Hampshire
New Hampshire OPLC ↗Find the relevant licensing board, license lookup and disciplinary resources.New Hampshire Consumer Protection ↗Consumer assistance and complaint information.
New Jersey
New Jersey Home Improvement Contractor Resources ↗Use New Jersey’s home-improvement contractor resources and separately verify the professional trade credential for plumbing or electrical work.New Jersey Division of Consumer Affairs ↗The Division of Consumer Affairs provides complaint and consumer-information routes; match the issue to the appropriate board or program.Newark Service-Line Address Lookup ↗Newark’s address lookup is a starting point for service-line records; ask the water department to resolve missing or unclear information.
New Mexico
New Mexico Construction Industries Division ↗Confirm the appropriate New Mexico construction or trade classification through the Construction Industries Division.New Mexico Department of Justice Consumer Protection ↗Use the New Mexico DOJ consumer-complaint intake to identify the appropriate route for a documented service dispute.Albuquerque Water Authority Xeriscape ↗ABCWUA’s xeriscape program requires pre-approval before removal; verify current plant, irrigation and application conditions for the property.
New York
NYC Home Improvement Contractor Licensing ↗For NYC home-improvement work, review the city license category; confirm local requirements separately elsewhere in New York.New York Attorney General Consumer Issues ↗Use the New York Attorney General’s consumer resources for contracts, complaints and home-service concerns.NYC Rat Prevention for Property Owners ↗NYC Health explains owner and tenant roles in rat prevention; coordinate structural repairs, sanitation and pest management across the building.
North Carolina
North Carolina General Contractors Board ↗Use the North Carolina General Contractors Board for the applicable construction scope and verify separate trade credentials where relevant.North Carolina DOJ Consumer Protection ↗Consult North Carolina DOJ consumer resources before signing a repair contract or pursuing a complaint.Wilmington Zoning and Floodplain Review ↗Wilmington’s zoning team handles floodplain determinations; confirm the parcel and proposed work before choosing crawlspace or equipment details.
North Dakota
North Dakota Contractor Licensing ↗Check North Dakota contractor licensing and the separate trade credentials needed for pump, piping or electrical changes.North Dakota Attorney General Consumer Resources ↗Use the Attorney General’s consumer resources for home-service purchasing guidance and complaint information.Fargo Sump Discharge Guidance ↗Fargo provides sump discharge and waiver guidance; confirm the approved property-specific conditions and current seasonal instructions with wastewater staff.
Ohio
Ohio OCILB License Lookup ↗OCILB covers specified commercial specialty trades; confirm residential-contractor requirements with the local building or health department.Ohio Attorney General Consumer Resources ↗Use the Ohio Attorney General’s consumer guidance for home-improvement contracts and complaint resources.Cleveland Lead-Safe Owner Guidance ↗Cleveland distinguishes rental lead-safe certification from owner-occupied properties; identify the applicable property and work requirements before replacing windows.
Oklahoma
Oklahoma Construction Industries Board ↗Use Oklahoma CIB resources for the relevant trade or roofing-registration check and ask the locality about other construction requirements.Oklahoma Attorney General Consumer Protection ↗Consult Oklahoma Attorney General consumer-protection resources when reviewing repair offers or preparing a complaint.Tulsa Regulatory Floodplain Maps ↗Tulsa’s regulatory floodplain map is a local planning resource; have staff interpret the property’s applicable flood and drainage context.
Oregon
Oregon Construction Contractors Board ↗Check Oregon CCB licensing and separately verify the trade credentials for plumbing, electrical or mechanical work.Oregon DOJ Consumer Protection ↗Use Oregon DOJ consumer-protection resources for home-repair purchasing and complaint guidance.Portland Residential Plumbing Permits ↗Portland’s residential plumbing-permit page includes water-heater replacement; describe associated fuel, venting and electrical changes separately.
Pennsylvania
Pennsylvania Home Improvement Registration ↗Check Pennsylvania home-improvement registration and separately confirm Philadelphia or other local contractor and trade requirements.Pennsylvania Attorney General Consumer Resources ↗Use the Attorney General’s consumer resources to review home-improvement contracting and complaint options.Philadelphia EZ Permit Guidance ↗Philadelphia’s EZ permit route applies only when the proposed work meets its standard; confirm scope before assuming plans are unnecessary.
Rhode Island
RI Contractors' Registration And Licensing Board ↗Current requirements, consumer resources and contractor checks.Rhode Island Consumer Protection ↗Attorney General's consumer tips and contractor verification guidance.
South Carolina
South Carolina Residential Builders Commission ↗Confirm the South Carolina residential builder or specialty credential relevant to the work and verify separate trade requirements.South Carolina Department of Consumer Affairs ↗Use the Department of Consumer Affairs for consumer education and complaint assistance.Charleston Board of Architectural Review ↗Charleston BAR resources explain preservation review and window policy; obtain the applicable determination before ordering replacements.
South Dakota
South Dakota Plumbing Commission ↗Check the South Dakota Plumbing Commission for plumbing work and confirm local construction and other trade requirements separately.South Dakota Consumer Protection ↗Use state Consumer Protection resources for construction-shopping guidance and complaint information.Sioux Falls Sump Pump Operation ↗Sioux Falls describes acceptable sump destinations and winter-permit questions; confirm the property’s arrangement with the city before changing it.
Tennessee
Tennessee Board for Licensing Contractors ↗Use Tennessee contractor-board resources to identify the credential category applicable to the project and its location.Tennessee Attorney General Consumer Resources ↗Consult the Attorney General’s consumer resources before signing restoration or repair contracts.Nashville Flood-Damaged HVAC Guidance ↗Nashville’s flood guidance recommends qualified mechanical inspection before restarting water-damaged equipment; confirm the current permit and inspection route.
Texas
Texas Air Conditioning and Refrigeration Licensing ↗Check TDLR air-conditioning and refrigeration licensing for HVAC work and verify other trade or local requirements separately.Texas Attorney General Consumer Protection ↗Use Texas Attorney General consumer resources when evaluating home-repair offers and complaint options.Houston Permitting Center ↗Houston Permitting Center identifies floodplain and trade-review routes; disclose the complete repair and equipment-placement scope.
Utah
Utah Contractor Licensing ↗Use Utah’s contractor-licensing resources to confirm the appropriate classification and separately regulated trades.Utah Division of Consumer Protection ↗Consult the Division of Consumer Protection for service-contract concerns and complaint guidance.Salt Lake City WaterMAPS ↗Salt Lake City WaterMAPS helps compare landscape water needs with usage patterns; combine it with a site-level irrigation assessment.
Vermont
Vermont Residential Contractors ↗Registration scope, homeowner resources and Find a Professional.Vermont Division Of Fire Safety ↗Building safety and regulated trade resources.
Virginia
Virginia Board for Contractors ↗Check Virginia contractor license class and specialty against the proposed work, plus relevant separate trade credentials.Virginia Attorney General Consumer Protection ↗Use Virginia Attorney General consumer resources for contract questions, complaint searches and dispute information.Alexandria Historic Roofing Guidance ↗Alexandria’s roofing guidance prioritizes retaining significant material where feasible; ask BAR staff about the particular building and proposal.
Washington
Washington Contractor Verification ↗Use Washington L&I contractor verification and separately confirm electrical, plumbing or other trade authorization.Washington Attorney General Consumer Protection ↗Consult the Attorney General’s consumer-protection resources for home-service complaints and purchasing guidance.Seattle Mechanical Permits ↗Seattle’s mechanical-permit guidance distinguishes equipment installation from other separately permitted systems; scope the whole project before applying.
West Virginia
West Virginia Contractor Licensing Resources ↗Use West Virginia’s licensing resources to locate the current contractor authority and verify separately regulated trades.West Virginia Consumer Protection Division ↗Consult the Attorney General’s Consumer Protection and Antitrust Division for service complaints and fraud concerns.Charleston Building Permits ↗Charleston requires project-specific permit and plan information; describe grading, retaining-wall and foundation work together for review.
Wisconsin
Wisconsin Dwelling Contractor Credentials ↗Check Wisconsin’s applicable dwelling-contractor and qualifier credentials, with separate trade verification for plumbing or electrical work.Wisconsin Consumer Protection ↗Use DATCP consumer-protection resources to review repair contracts and complaint options.Milwaukee MMSD Pipe Check ↗MMSD Pipe Check investigates private sources of rain or groundwater entering sanitary plumbing; confirm property eligibility and approved work before proceeding.
Wyoming
Cheyenne Building Permitting and Licensing ↗Confirm Cheyenne’s company and qualified-supervisor licensing for city work; ask the relevant locality and trade authority elsewhere in Wyoming.Wyoming Attorney General Consumer Protection ↗Use Wyoming Attorney General consumer-protection resources for contractor-shopping concerns and complaint information.Cheyenne Storm-Repair Contractor Guidance ↗Cheyenne’s storm-repair guidance directs owners to local contractor and permit checks before hiring a roofing crew.
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