At RKM Homes, we design and construct custom homes on your lot across the Denver metro area, and one constant from plan to move-in is the inspection process. Municipal and county building departments issue the building permit that authorizes each phase of work, and their inspectors verify that construction matches the approved plans and current codes — structural framing, electrical, plumbing, energy, fire safety, and site drainage among them. Inspections are not an abstract regulatory hurdle; they are the documented checkpoints that protect your investment, ensure safety, and establish the basis for a Certificate of Occupancy.
Inspections occur at specific milestones: permit and site-prep reviews, footing and foundation, under-slab plumbing, rough framing and sheathing, rough mechanical/plumbing/electrical, insulation and air-sealing for energy-code compliance, drywall inspection, and final inspection before occupancy. Some projects require additional specialist inspections — soils/geotechnical reports, engineered steel or concrete, gas pressure tests, or third-party energy verifications — depending on lot conditions and design choices. RKM Homes handles permit submission, coordinates inspection scheduling with local jurisdictions, and prepares our crews and subcontractors to pass each inspection so work can proceed without delay.
As an owner, expect inspections to influence the project timeline: most jurisdictions require advance scheduling and will issue correction notices (a “red-tag” or list of deficiencies) that must be cured and re-inspected. RKM Homes will review inspector findings with you, document passed inspections and any follow-ups, and incorporate corrections into our workflow so the final inspection results in a clean sign-off and your Certificate of Occupancy. Consistent, well-managed inspections not only meet legal requirements but also create a clear record of construction quality that benefits warranties, lenders, and future resale.
What inspection stages and timeline should I expect during my new custom home build?
From my experience as a custom home builder in Denver, inspections are built into the schedule as “hold points” where work cannot proceed without sign-off. The common sequence is: pre‑pour/foundation (before any concrete is placed), framing (after walls, floor and roof framing are complete), pre‑drywall (after rough mechanicals and fire‑blocking but before insulation and drywall), mechanical/rough‑in checks (plumbing, electrical, HVAC often inspected at the same time as pre‑drywall), and the final inspection (when finishes and systems are complete). For a typical custom home expect the first three hold points to occur in the first 6–12 weeks of construction and the final inspection near project completion; larger homes or weather delays can stretch that timeline substantially, so we build buffer days for re‑inspections into our schedule.
Practically, here’s what each stage covers and what you can watch for: pre‑pour/foundation inspectors verify footing depth and width, reinforcement (rebar size, spacing, ties), form location, anchor bolt placement and embedment, and required frost‑depth conditions — they will want to see exposed reinforcement and set bolts before pouring. Framing inspections confirm load paths, proper joist and rafter installation, header sizes, shear wall/nailer locations, blocking, and that structural connectors (hurricane straps, hold‑downs) are installed per plans. The pre‑drywall/rough‑in stage is the catch‑all: electrical boxes and ground/neutral separations, plumbing trap locations and slope, gas piping and pressure tests, HVAC duct routing and clearances, and required fire‑blocking/insulation clearances—this is the best time to have any concealed items reviewed because they will be covered by drywall afterward. The final inspection is a systems and life‑safety check: functioning lights/outlets, plumbing fixtures, HVAC operation, smoke/CO detectors, handrails/guards, egress and stair dimensions, and general code compliance.
To keep the build moving smoothly, ask for the inspection schedule at the pre‑construction meeting and request notification a day or two before each hold point so you can attend if you wish. Expect at least one re‑inspection at several stages; small corrections are often resolved in 24–72 hours, but structural or non‑compliant items require more coordination and can delay subsequent stages. As your builder I prioritize passing hold points the first time by pre‑inspecting work internally, but build your expectations around the fact that municipal inspectors enforce code at each stage and their availability can affect timing—planning for those windows will help you avoid surprise schedule shifts.
What types of inspectors will check my new custom home and what do they inspect?
Municipal building inspectors are the ones tied to your building permit and perform mandatory, stage‑by‑stage checks — for example foundation/pre‑pour, framing, electrical/plumbing/mechanical roughs, insulation/energy and the final inspection. Their focus is code compliance and life‑safety items, not cosmetic fit‑and‑finish; they typically verify that installed work meets the minimum standards required for that permit stage and will stamp approvals or deny until corrections are made. As your builder, we schedule and coordinate these inspections but you should ask to see the inspector’s stamp or sign‑off for each major stage so you know the work passed the official review.
Independent (third‑party) home inspectors are usually hired by homeowners for an extra layer of oversight and a more thorough, whole‑house review at strategic points — commonly at pre‑drywall, pre‑close and a final walkthrough. These inspectors will document workmanship, identify items outside of code or best practices, and produce a detailed report you can use to create a punch list; they often catch issues municipal inspectors won’t look for (installation quality, missing flashing details, substrate prep, etc.). Specialty inspectors focus narrowly on specific systems or risks — examples we often recommend on Denver builds include geotechnical/soils for foundations, energy/air‑sealing and blower door testing, HVAC balancing, fire sprinkler and structural steel inspections — and they bring the technical credentials and testing equipment to verify performance to a standard the municipal inspector may not verify.
Practical use: decide early which third‑party and specialty inspections you want and put them on the schedule so their testing aligns with construction stages (you don’t want a blower‑door test before drywall is taped). Ask each inspector for a written scope and sample report up front, be present during critical inspections to learn what issues require correction, and require documented re‑inspections for any failed items. We encourage homeowners to budget for at least one independent pre‑close inspection and any specialty tests relevant to your site or systems — it gives you stronger documentation and peace of mind beyond the municipal pass/fail process.
What permits, code checks, and documentation are required to get a Certificate of Occupancy for a new custom home?
From my experience building custom homes in Denver, the first practical step is to secure the correct permits before any work begins — building, electrical, plumbing and mechanical permits are almost always separate. Inspections are tied directly to those permits, so keep the permit card on site and make sure each trade pulls its own permit and schedules its required inspections through the local jurisdiction’s portal or office. Permit fees and any plan-review corrections must be cleared early; inspectors will generally not perform final sign-offs if an open or unpaid permit exists.
Code compliance checks during inspections focus on life-safety and required documentation, not cosmetic finishes. Expect inspectors to verify means of egress, smoke and carbon monoxide alarms, required fire separations, stair and handrail dimensions, appropriate glazing, proper electrical bonding and AFCI/GFCI protection, plumbing and mechanical venting, energy-code insulation and air-sealing, grading/drainage and exterior address posting. You’ll also need to have test reports and certificates available at final inspection: plumbing pressure tests, HVAC combustion/venting checks, backflow device certifications, engineered soils or foundation letters when required, and any commissioning or balancing reports for complex systems.
A Certificate of Occupancy (CO) will only be issued after all permit inspections are passed and required documentation and fees are submitted — no CO usually means no legal occupancy, mortgage funding or homeowner insurance. Common CO delays I see are open trade inspections, missing test reports, unfinished exterior access or driveway for emergency access, or utilities not connected for final tests. As the builder I coordinate to close out all inspections, but homeowners should request a copy of the final CO and the closed-permit records before moving in and retain them for insurance and resale; if timing is tight ask about a temporary CO option your jurisdiction might allow under specific conditions.
What should inspection reports and punch lists include, who is responsible for making required corrections, and how do warranties affect repair responsibilities?
As an experienced custom home builder I treat inspection reports as the official to‑do list for the job. Municipal and independent inspectors will record specific code violations, failed items, and recommended corrections — typically with a short description, reference to the violated code or standard, and whether a re‑inspection is required. When you get a report, ask for a copy immediately and review it with your project superintendent so the corrective action and timing are clear; safety and code failures (electrical, structural, fire egress) almost always must be corrected before the next inspection or the Certificate of Occupancy will be delayed.
The punch list created during the pre‑final/final walkthrough is separate from municipal reports and is focused on workmanship and finish items: trim gaps, paint touchups, door alignments, caulking, and appliance hookups. I make the list itemize who will fix it (trade/subcontractor), the planned completion date, and whether a re‑inspection is needed; high‑priority items are scheduled first. As a homeowner, insist that each punch‑list entry include a target completion date and the responsible party, take dated photos, and request a signed completion verification when each item is closed — this prevents confusion and speeds final closeout.
Warranties determine who pays for repairs after closeout. Most custom home contracts separate immediate corrective obligations (code compliance and items required for CO — the builder/GC fixes these before occupancy) from warranty obligations after closing (commonly 1 year for workmanship, 2 years for mechanical/plumbing/electrical systems in many agreements, and longer for structural — but exact terms vary, so check your contract). Also get manufacturer warranties in writing for appliances, roofing, windows, etc., and keep contact info for the responsible subcontractors. If a dispute arises, use the written inspection reports, dated photos, and the punch‑list signoffs as your evidence; good builders will schedule warranty repairs promptly and document re‑inspections so responsibility and timelines are unambiguous.
How do I hire a qualified inspector, schedule inspections, understand costs, and stay involved during new home construction?
When hiring an inspector, treat it like hiring any other professional for a custom build: check credentials, insurance and local experience. Ask for state or national certifications, proof of professional liability (E&O) insurance, and a portfolio of recent custom-home inspections in the Denver area. Request a full sample report so you can judge clarity and photos, and call two or three local references (homeowners and builders) to confirm the inspector’s attention to practical buildability issues, not just code citations. Consider an inspector who will consult with you before construction starts — that pre-job meeting is one of the best ways to avoid disagreements about scope and expectations later.
Be realistic about scheduling and fees: book critical independent inspections well in advance and give the inspector a 48–72 hour window for on-site visits; after-hours or short-notice calls will increase the price. In our market, standalone third-party inspections commonly run $300–$600 per visit, HERS or air-sealing tests $400–$800, and structural-engineer reviews $800–$1,500; a full-project QA package can range from $1,500–$5,000 depending on scope. Municipal inspections are handled via permit processes and timing is controlled by the jurisdiction, so coordinate your private inspections around the builder’s schedule and the city’s expected inspector turnaround to avoid delays and re-inspection fees.
You should stay engaged but practical: attend the major inspections you care about, bring a short checklist of concerns, and insist on receiving the written report and photos the same day. Use those documents to track required corrections and warranty items, and require the builder to respond with a written corrective-action timeline — email creates the clearest record. If you hire a third-party inspector, clarify in writing who pays for re-inspections and how findings will be resolved; from my experience, clear upfront agreements about communication, costs and responsibilities prevent most disputes and keep the project moving.