Services Available from Koch Construction & Remodeling
Custom Home Builder Services in Olathe KS
We build custom homes across Olathe and the wider Johnson County region, from standard residential builds to complex, high-spec projects. Our two primary specialties are Barndominium Construction and Basement Finishing Contractor services. Every project in this area involves local soil conditions, Johnson County site requirements, and Olathe building codes. Select a category below to see what applies to your specific project.
Custom Home Building Olathe KS
Koch Construction manages new custom home builds from initial site analysis through certificate of occupancy. Core services include Barndominium Construction, Luxury Home Building, Energy Efficient ICF Homes, Modern Farmhouse construction and Custom Home Design & Planning.
Site analysis covers setback compliance, soil bearing capacity and drainage swale placement before design begins. No build starts without a site-specific assessment of the lot.
On energy-efficient builds, Koch installs ICF wall systems rated at R-22 to R-30 continuous insulation per ASTM C518 testing. Air sealing targets blower door results at or below 1.0 ACH50 per IECC 2021 standards. These are tested benchmarks - not estimated performance claims.
Pre-construction budget reconciliation uses a detailed scope-of-work line-item schedule. Every cost is identified before a permit application is filed.
Basement Services Olathe KS
Koch Construction provides full-spectrum basement work across Olathe and Johnson County KS. Services include Basement Finishing, Basement Design & Planning, Basement Remodeling & Renovation and Basement Finishing for Overland Park jurisdiction parcels.
Every basement project starts with moisture assessment before any framing begins. Vapor transmission testing uses an ASTM E1745 poly barrier rated at 0.1 perms or below. That rating controls moisture migration - not just surface dampness.
Where waterproofing remediation is needed, Koch installs interior French drain systems tied to a sump with battery backup. Water has a managed exit path before walls are closed in.
Egress window sizing is verified against IRC Section R310 minimum opening dimensions before design is finalized. Fire egress and smoke detector placement are confirmed against IRC R314 and R315 on every finished basement. Johnson County inspection requirements are built into the project plan - not added at the end.
Overland Park basement projects are permitted through the City of Overland Park Development Services Division. HVAC zoning extensions are sized using Manual J load calculations for below-grade conditioned space.
Deck & Outdoor Living Olathe KS
Koch Construction builds permitted outdoor living structures across Olathe and Johnson County KS. Services include Screened-In Porches & Covered Decks, Custom Deck Building, Outdoor Kitchen Construction and Concrete Patio Construction. Every structural connection is engineered to live load and hardware specifications before a permit is filed.
Deck ledger board attachment is engineered for a live load of 40 PSF per IRC Table R507.5. Joist hanger hardware is selected by species-specific bearing values per ICC ESR documentation. These are not catalog selections. They are load-specific hardware choices tied to the wood species used on each build.
Screened porch roof-to-ledger connections use lag bolt pull-out values per AWC Table M9.2-1. Screen frame systems use aluminum extrusions rated for 130 MPH wind uplift zones. Johnson County storms apply real load to every screened enclosure - and Koch builds to those load conditions.
Outdoor kitchen gas line sizing uses BTU demand calculations per NFPA 54 Table 6.3. Countertop substrates use 5/4 Hardiebacker or equivalent cement board rated for exterior wet zones. Gas connections and exterior wet surfaces are two areas where permit failures happen most often - both are covered by Koch's standard scope.
Concrete patio mix design uses 4,000 PSI air-entrained concrete with 5-7 percent air content for freeze-thaw resistance per ACI 360R guidelines. Control joint spacing is calculated at 2-3 times the slab thickness in feet. KC metro clay soil and freeze-thaw cycles crack slabs that skip this step.
Home Additions & Exterior Construction Olathe KS
Koch Construction delivers structural exterior work across Olathe and Johnson County KS. Services include Custom Home Additions & Expansions, Attached & Detached Garage Construction and Pole Barn & Storage Building Construction. Every addition is engineer-reviewed before a single footing is poured.
On custom home additions, shear transfer continuity between the existing diaphragm and new framing is verified by a structural engineer. That connection point is where additions fail when it is skipped. Roof tie-in detailing uses step flashing and kick-out diverters per IRC R903.2 to control water intrusion at the junction.
Attached garage foundations are set to a minimum frost depth of 36 inches per Johnson County KS soil and frost maps. Fire separation wall assemblies use 1/2-inch Type X drywall per IRC R302.6. Those two standards protect the structure and the occupants - not just the inspection record.
Pole barn and storage building column embedment depth is calculated using passive soil pressure resistance per ASAE EP486. Roof truss spacing and purlin sizing are verified against ASCE 7 snow and wind load tables for Zone II. Johnson County storms test every pole barn build within its first few seasons.
Every exterior addition project begins with a site visit and structural discussion. No contract is signed before that conversation happens.
General Contracting & Interior Remodeling Olathe KS
Koch Construction manages whole-home structural scope across Olathe and Johnson County KS. Services include Whole Home Remodeling & Structural Renovations, Structural Repair & Foundation Remediation and Construction Project Management. Load-bearing wall analysis, critical path scheduling and phased construction protection are standard on every project.
Load-bearing wall identification uses roof framing diagrams and point-load transfer analysis before any wall is touched. A contractor's verbal opinion is not sufficient on structural scope. Every load path decision is documented before demolition begins.
Whole-home remodel projects use a critical path method schedule to protect livable areas during active work. Occupied areas are sequenced away from active construction zones. Clients receive a written phasing plan with clear occupation milestones - not a general timeline estimate.
Foundation crack evaluation uses ASCE 7 differential settlement tolerances and direct crack width measurement. Koch does not diagnose foundation problems with a visual inspection alone. Where repair is required, helical pier or push pier systems are designed to reach load-bearing strata using torque correlation per ICC AC358. That standard ensures the repair reaches stable soil - not just the problem zone.
Construction project management uses a schedule of values tied to a payment draw schedule. Lien waiver documentation is collected at every milestone. No draw is released without verified, inspected progress attached to it.
Residential & Commercial Construction Olathe KS
Koch Construction delivers ground-up and tenant improvement construction for both residential and commercial clients across Olathe and the KC metro. Services include Commercial General Contracting and Residential Framing. Every commercial scope is managed with the same documentation standards used on ground-up custom builds.
Commercial projects require ADA compliance verification per ICC/ANSI A117.1. That standard covers accessible route design, door hardware specifications and restroom layout - before a certificate of occupancy is issued. Submittal log management tracks shop drawings, RFIs and material data sheets per project specification division. Commercial clients have a documented record of every approval and lead time at every phase.
Koch's commercial portfolio includes projects across the KC metro and into the bi-state Missouri market. Olathe's position at the I-35 and I-435 interchange supports active site supervision on both sides of the state line. Commercial insurance and bonding documentation is provided before any commercial bid is reviewed.
On residential framing, wall plumb tolerance is held within 1/8-inch per 8-foot height per NAHB Residential Construction Performance Guidelines. That tolerance standard prevents the alignment corrections that show up after drywall is hung. Header sizing for all openings is calculated using span tables from the AWC Wood Frame Construction Manual. No header is sized by habit or field estimate.
A clear chain of supervision - with a named foreman on site daily - is a non-negotiable standard on every Koch framing project.
Kitchen Remodeling in Olathe KS
Koch Construction delivers complete kitchen transformation services across Olathe and Johnson County KS. Services include Custom Cabinetry, Countertop Installation, Kitchen Lighting and Backsplash Tile. Every project is scoped with permit coordination, MEP documentation and written material specifications before work begins.
Custom cabinet boxes are built using 3/4-inch furniture-grade plywood with dovetail or dowel joinery. Face frame alignment tolerances are held within 1/32-inch using precision jigs and pocket screws. Those tolerances are verified - not estimated at walkthrough.
Countertop stone slabs are templated using digital CNC measurement. Joint gaps are held under 1/16-inch. Substrate prep uses a 3/4-inch plywood backer with seam placement kept away from sink cutouts. These steps prevent the cracking and settlement gaps that show up within the first year.
Kitchen lighting plans use foot-candle calculations targeting 50 FC at countertop work surfaces. Circuit loads are balanced across 20-amp dedicated kitchen circuits per NEC 210.11(C)(1). Backsplash tile layout is planned using a dry-set reference line centered on the focal wall before any adhesive is applied. Grout joint width and pattern type are specified per TCNA handbook method B415.
Bathroom Remodeling Olathe KS
Koch Construction delivers high-specification bathroom renovation across Olathe and Johnson County KS. Services include Custom Walk-In Showers, Master Suite Expansions, Tub-to-Shower Conversions and Heated Flooring. All waterproofing, electrical and plumbing work is permitted and inspected before walls are closed.
Custom walk-in shower builds use uncoupling membrane systems rated for full immersion per ANSI A118.12. That substrate rating is the standard that prevents tile failure and water migration behind finished walls. Linear drain placement uses a single-plane floor slope at 1/4-inch per foot toward the drain. No multi-plane slopes. No low points that hold standing water.
On tub-to-shower conversions, drain relocation is verified against existing joist bay depth for trap and p-trap clearance before demolition begins. Waterproofing membrane extends a minimum of 3 inches above finished curb height per TCNA W244.
Master suite expansions require load path continuity verification by a structural engineer when walls are removed. Electrical plans are updated for added circuits, lighting zones and bathroom exhaust per NEC 210.8(A). No structural wall comes down without an engineer's sign-off first.
Heated flooring systems use electric radiant mats calculated at 10-15 watts per square foot for tile applications. Thermostat installation is wired on a dedicated GFCI-protected circuit per NEC 424.9. Manufacturer warranty documentation is provided before any heated floor contract is signed.
Septic System Services Olathe KS
Koch Construction provides licensed onsite wastewater services across Olathe and the surrounding rural Johnson County service area. Services include Septic System Installation & Replacement and Septic Maintenance, Repair & Inspection. All work is performed under Kansas Department of Health and Environment oversight per KSA 65-723.
Septic installation begins with soil percolation testing per ASTM D7928. That test confirms the absorption rate of the soil before any drain field sizing begins. System design is then sized using Johnson County Environmental Department daily flow calculations per KAR 28-29-56. No system is designed before the soil data supports it.
On maintenance and inspection work, tank effluent scum and sludge layer measurements are taken using a Sludge Judge tool per EPA 625 protocol. Lateral line flow testing uses a dye test or camera scope to identify infiltration and root intrusion. Buyers receive a written inspection report with photos - not a verbal summary at the curb.
Septic systems are required on most parcels in Stilwell, Bucyrus, Hillsdale, Clearview City KS and Cleveland MO. Koch Construction knows these rural jurisdictions and their KDHE review requirements by direct project experience. Rural buyers do not have to educate their contractor on county-level septic code.
A Kansas Licensed Onsite Wastewater Technician - required under KSA 65-723 - oversees all installation and repair work. Licensing is not optional in this trade. It is a legal requirement before any onsite wastewater work begins.
Call or contact Koch Construction & Remodeling now for a free estimate and quick, reliable service.
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