
Replacing or adding door hardware seems straightforward, yet homeowners often underestimate the full scope of the project. The cost to install door knobs in a residential setting can range widely because every home, knob style and jobsite schedule is unique. CountBricks brings clarity to that uncertainty by combining AI-powered estimating, real-time material pricing and voice-driven jobsite capture. Below we break down what goes into the price tag so you can plan every project with confidence.
1. Hardware Type & Quality
• Passage, privacy, keyed entry or smart locks each carry different material costs
• Premium finishes or designer brands raise per-unit pricing
• Smart or electronic knobs may require low-voltage wiring and programming time
2. Door Material & Age
• Solid wood doors drill cleaner than hollow-core doors, reducing labor minutes
• Historic doors may need custom boring jigs or minor carpentry repairs
3. Quantity & Accessibility
• Bulk installs of 10+ knobs lower the average cost per unit
• Multi-story homes or tight hallway clearances add setup and ladder time
4. Labor Market Conditions
• Urban markets with higher wage scales raise the hourly technician rate
• Off-hour or rush scheduling can trigger overtime premiums
5. Finish Work & Testing
• Precise alignment prevents latch misfires and ensures smooth operation
• Color-matching touch-ups or caulking mean extra minutes often overlooked in budget planning
Based on thousands of recent CountBricks estimates across North America, the average cost to install a standard passage door knob in a single-family home is $95–$135 per door. That figure assumes mid-level hardware, basic hollow-core doors and accessible first-floor rooms.
Keyed entry or privacy knobs typically land at $110–$155 because of extra cylinder alignment and testing. Smart locks start near $185 and can exceed $350 when Wi-Fi modules or strike plate reinforcements are required.
• Hardware: 40–60 %
• Labor: 30–45 %
• Consumables & setup: 5–10 %
• Contingency: 5 %
Voice-to-Estimate Workflow
1. Walk the site with your phone and describe each door. CountBricks transcribes measurements and conditions in real time.
2. Our AI matches your words to a curated residential task library, auto-selecting material SKUs and regional labor rates.
3. Instant estimates appear on screen, complete with markup, tax and optional upsell items like smart locks or strike reinforcement kits.
Live Material Pricing
• Integrated supplier feeds refresh every hour, so your quote reflects today’s knob finish surcharges, not last month’s catalog.
• Substitute options populate automatically—swap satin chrome for matte black with a single tap and watch the total update.
Blueprint Takeoffs Re-imagined
• Upload a PDF floor plan to CountBricks.com/takeoffs and our computer-vision engine detects each door symbol and assigns quantities.
• Combine digital counts with your voice notes to eliminate missed openings and costly change orders.
1. Confirm knob backset and bore diameter against manufacturer specs
2. Remove existing hardware, noting hinge alignment and door edge condition
3. Drill or widen bore holes if upgrading from passage to keyed entry
4. Seat latch plate flush with the door edge, shim as required for alignment
5. Mount exterior and interior knobs, then fasten screws to uniform torque
6. Test latch engagement, adjust strike plate and apply touch-up paint
7. Log completion photos back into the CountBricks job record for effortless invoicing
• Choose knobs from the same product line to streamline drilling templates
• Order 5 % extra hardware to cover finish defects or last-minute client changes
• Schedule installs after interior painting to avoid re-masking labor
• Pair knob replacement with deadbolt upgrades to reduce repeat technician visits
• Use CountBricks.com/services to bundle multiple small carpentry tasks and secure volume pricing
Can I supply my own knobs? Absolutely. CountBricks will deduct material line items and quote labor-only service, though we recommend allowing for one spare unit per five doors to account for defects.
How long does a whole-house refresh take? A typical 3-bedroom residence with 15–18 doors is completed in one working day by a two-person crew. Smart locks or custom finishes may extend that timeline.
Will replacing knobs damage my door? Our technicians use adjustable hole saw guide plates and finish pads to prevent tear-out on painted or veneered surfaces. Any minor blow-out is sealed with matching touch-up filler at no charge.
Whether you’re refreshing a single powder-room knob or outfitting an entire custom build, CountBricks turns spoken observations into a detailed, branded estimate in minutes. Visit CountBricks.com/consultation or start a live voice session inside the mobile app and discover why contractors and homeowners alike trust CountBricks for transparent, stress-free pricing.

When the Ramirez family purchased a 1990s home, every brass knob felt dated. Their designer requested matte black passage hardware, keyed entry sets for exterior doors and two Wi-Fi smart locks. Using CountBricks, the contractor completed the following workflow:
1. Spoke a 5-minute walkthrough while filming each door.
2. CountBricks auto-tagged 32 openings and suggested compatible hardware SKUs.
3. Live pricing revealed a finish surcharge, so the homeowner switched to oil-rubbed bronze, saving 11 %.
4. The system scheduled a two-tech crew and predicted 7.2 labor hours.
5. Field technicians followed the in-app checklist, uploading before/after photos for every door.
6. Upon sign-off, CountBricks generated an invoice and a maintenance tip sheet.
Results
• Total project cost: $3,450—within 1.5 % of the original AI estimate
• Zero change orders thanks to accurate bore sizing data
• Homeowner saved an estimated three weeks of lead-time compared to manual quote shopping
• Data-rich library: Thousands of residential hardware tasks deliver pinpoint labor standards
• Voice and vision synergy: Spoken context plus blueprint takeoffs capture every last closet door
• Seamless close-out: Job logs, invoicing and warranty docs all live in one secure portal
Whether you manage one property or build custom homes, CountBricks removes the guesswork around the cost to install door knobs and countless other finish tasks. Explore more success stories at CountBricks.com/portfolio and see how our technology turns small details into big efficiencies.