TL;DR for Mercer County
- Start with 202 public ProFix profiles mapped to Mercer County, then narrow by trade, Trust Score, license evidence, and permit signal.
- Permit questions route through Mercer County Building Department; address and hours should be confirmed before visiting if the county source record is incomplete.
- Utility coordination matters when a job touches gas, electric service, meters, shutoffs, or outage response.
- Ohio trade licensing is state-level, but permits and final inspections are local to the city, township, or county where the work happens.
Verified contractors in Mercer County
Each trade panel shows up to 10 contractors ranked by ProFix Trust Score. The score weighs license evidence, published profile details, review signals, verification freshness, and permit evidence where county feeds exist.
Plumbers20
- Riesen Plumbing & Heating IncCelina, OH80
- American Heating and Plumbing LLCCelina, OH65
- Ayers Mechanical GroupVan Wert, OH55
- Consolidated Mechanical Inc.Celina, OH55
- Faller Mechanical LLCFort Recovery, OH55
- Franck Plumbing & Heating Co. Inc.Saint Henry, OH55
- Kb Plumbing Heating & CoolingCelina, OH55
- Kill Plumbing And Mechanical LLCRockford, OH55
- Lake Contracting Co. Inc.Celina, OH55
- Ohio Plumbing & Electrical Inc.Celina, OH55
HVAC Technicians25
- Riesen Plumbing & Heating IncCelina, OH80
- Buschurs Refrigeration Inc.Saint Henry, OH55
- Consolidated Mechanical, Inc.Celina, OH55
- Faller Mechanical LLCFort Recovery, OH55
- Franck Plumbing & Heating Co. Inc.Saint Henry, OH55
- Johnson Mechanical, Inc.Coldwater, OH55
- Lake Contracting Co. Inc.Celina, OH55
- Ohio Plumbing & Electrical Inc.Celina, OH55
- CW ServiceCelina, OH15
- Buschur's RefrigerationSt Henry, OH0
Electricians20
- Bender Electrical ContractingSaint Henry, OH55
- Dnk Electric LLCFort Recovery, OH55
- Home Wiring LLCColdwater, OH55
- Jutte Electric EnterprisesFort Recovery, OH55
- Koester Electric Inc.Coldwater, OH55
- Lake Contracting Co. Inc.Celina, OH55
- Live Wire ElectricCelina, OH55
- Murray Electric Of Ohio LLCLima, OH55
- One Power Solutions LLCFindlay, OH55
- Rose Construction & ElectricColdwater, OH55
Appliance Repair6
Gas Technicians0
ProFix has not mapped live gas technicians directly to Mercer County yet. Use the statewide trade hub while coverage builds.
Concrete Contractors22
- Unrast Excavating LLCCelina, OH25
- Stachler Concrete IncSt Henry, OH10
- American dynamic coatingsCelina, OH0
- B & L ConstructionSt Henry, OH0
- Bernard Masonry IncMaria Stein, OH0
- BK Concrete Designs LLCColdwater, OH0
- Brix Restoration LLCColdwater, OH0
- Don Siefring ConcreteCelina, OH0
- Dues Concrete LLCColdwater, OH0
- Gary Thobe MasonryMaria Stein, OH0
Roofers21
- Evans RoofingCelina, OH25
- Grand Lake RoofingCelina, OH25
- Grand Lake SpoutingCelina, OH25
- Grand Lake Shoreline SolutionsMaria Stein, OH15
- Technical Roofing of St. HenrySt Henry, OH15
- Classic Touch RoofingCelina, OH0
- D & S Seamless SpoutingColdwater, OH0
- Damar ConstructionCelina, OH0
- Evans Home ImprovementCelina, OH0
- Grand Lake RoofingCelina, OH0
Tree Service73
- Everman Stump Grinding LLC.Celina, OH35
- Springer & Sons Tree ServicesCelina, OH25
- The Tree GuyMarion, OH20
- Birds Tree CareCelina, OH15
- Native LandscapesBlacklick, OH15
- BCA Express and Bowers FarmsGenoa, OH10
- Bird Dog Forestry ConsultingSomerdale, OH10
- Conservation Contracting, LLCGreenfield, OH10
- Davey Resource Group, IncKent, OH10
- Enviro Construction Company LLCAlexandria, OH10
Water/Fire/Mold Restoration0
ProFix has not mapped live water/fire/mold restoration directly to Mercer County yet. Use the statewide trade hub while coverage builds.
Fire Protection Contractors6
Water Well Contractors9
- Bruns Construction Enterprises, Inc.Celina, OH55
- Consolidated Hunter Heating & PlbgCelina, OH55
- Dellinger Bros, LLCWillshire, OH55
- Jomax, Inc.Celina, OH55
- Lefeld Plumbing & Heating, Inc.St. Henry, OH55
- Midwest Plumbing & Heating, LLCFort Recovery, OH55
- Sudhoff Brothers, LLCColdwater, OH55
- Huwer DrillingColdwater, OH0
- R L Quinter Well DrillingBurkettsville, OH0
Septic System Contractors4
Computer & Electronics Repair8
Pest Control Services0
ProFix has not mapped live pest control services directly to Mercer County yet. Use the statewide trade hub while coverage builds.
Landscapers0
ProFix has not mapped live landscapers directly to Mercer County yet. Use the statewide trade hub while coverage builds.
Painters0
ProFix has not mapped live painters directly to Mercer County yet. Use the statewide trade hub while coverage builds.
Foundation Repair Contractors0
ProFix has not mapped live foundation repair contractors directly to Mercer County yet. Use the statewide trade hub while coverage builds.
Garage Door Companies0
ProFix has not mapped live garage door companies directly to Mercer County yet. Use the statewide trade hub while coverage builds.
Permit-pull leaderboard for Mercer County
ProFix ranks permit pullers where a county feed is live and matched to contractor profiles. The stat band above counts recent permits that can be assigned to this county over a rolling 365-day window.
Mercer County does not have a county-specific permit-feed leaderboard yet. Use the statewide permit leaderboard while ProFix expands county crawlers.
See statewide leaderboardCounty permit office
Confirm the exact jurisdiction before work starts. Inside city limits, a city office may own the permit even when the county office is listed here.
- Address
- Address not published in the county data record; verify on the official office page before visiting.
- Hours
- Call the office before visiting; county hours can change around holidays and board meetings.
- Phone
- (419) 586-7724
- Source
- www.mercercountyohio.org
County-level contact from the ProFix county source table. For a canonical office list, start at /permits.
Open permit quick-referenceLocal utilities
These matches come from the five ProFix utility pages. Always confirm address-level service territory before a disconnect, reconnect, rebate, or emergency call.
Licensing for this county
Ohio licensing does not change county by county: OCILB covers regulated plumbing, HVAC, electrical, hydronics, and gas-related contractor scopes; Ohio Department of Health covers lead abatement, private water systems, and many sewage-system registrations; the State Fire Marshal licenses fire-protection companies; and the Ohio Department of Agriculture licenses commercial pesticide applicators. Mercer County still controls local permits, inspections, and which office signs off on the address.
Population + demographics
Grand Lake St. Marys dominates the southern county. Lake-shore homes drive HVAC + dock work.
What homeowners search for in Mercer County
Who are the top plumbers in Mercer County?
Start with Riesen Plumbing & Heating Inc, American Heating and Plumbing LLC, Ayers Mechanical Group and compare Trust Score evidence before calling.
Open referenceHow much does a new water heater cost in Mercer County?
Standard 50-gallon gas water heaters install for $1,099–$1,599 in Mercer County. Tankless gas units run $2,800–$3,800. Heat-pump (hybrid) electric units $2,500–$3,500.
Open referenceHow much does a furnace tune-up cost in Mercer County?
Most Mercer County HVAC pros charge $89–$129 for a fall furnace tune-up. Typical price is $99. Several offer early-bird pricing in August–September that drops to $69.
Open referenceDo I need a permit for home work in Mercer County?
For plumbing, HVAC, electrical, gas, roofing, lead, well, septic, and fire-protection work, assume a permit or inspection may apply until Mercer County Building Department or the city office says otherwise.
Open referenceHow do I verify a contractor license in Mercer County?
Use the Ohio eLicense Center through ProFix /verify for state-licensed trades, then confirm the local permit office for the project address.
Open referenceFAQ
What is the best way to find a contractor in Mercer County?
Start with the trade panel on this page, compare Trust Score, confirm license evidence where Ohio requires it, and ask whether the contractor regularly pulls permits in Mercer County or the city where the home sits.
Does Mercer County license contractors?
Ohio handles most trade licensing at the state level, while counties and cities handle permits and inspections. Some local registrations can still apply, especially for roofing, right-of-way, or specialty work.
Who pulls the permit in Mercer County?
For regulated trades, the contractor should normally pull the permit and schedule inspection. Homeowners should keep the permit number, scope, inspection result, invoice, and warranty in the home file.
Why do some trades have few Mercer County pros?
County pages use public ProFix records. Smaller counties may have fewer direct profiles, so the page emphasizes countywide records first and routes sparse trades to statewide or nearby metro hubs.
Are permit leaderboards available for Mercer County?
Mercer County is not in the current county-specific permit-feed set. Use the statewide leaderboard while ProFix expands permit crawlers.
Is there a Spanish version of this Mercer County page?
Yes. The Spanish county hub is available at /es/condado/mercer, with the same county slug and bilingual alternates in metadata.
Cross-references
Nearest metro context, utilities, and market-level hiring notes.
All ProFix trade hubs with buyer guides, license framing, and pricing references.
Check Ohio license status before a contractor opens walls or pulls a permit.
Compare permit-pull evidence where county feeds are live.
La misma guía de condado en español para propietarios bilingües.
Public ProFix feeds for agents, researchers, and local partners.
Open data for this county
These public endpoints are designed for researchers, AI agents, and local partners. Query strings carry the county slug so consumers can request county-specific slices as feeds evolve.