Installing a Lock on an Existing Door
There are two common installation situations.
The Door Is Already Prepared
If the door already has properly sized and positioned openings for compatible hardware, installation may be relatively straightforward.
The technician still needs to check fit, latch operation, strike position, and alignment.
The Door Has Never Had That Lock
Adding a new lock may require:
- Measuring the installation position
- Determining the correct backset
- Preparing the door face
- Preparing the door edge
- Creating the required bore
- Installing the latch or bolt
- Positioning the strike
- Checking alignment
- Testing the completed hardware
This is a different job from simply replacing an existing lock.
New Deadbolt Installation
Want to add a deadbolt above an existing knob or lever?
Fast Locksmith 24/7 installs many compatible residential deadbolts, including:
- Single-cylinder deadbolts
- Double-cylinder deadbolts where appropriate
- Keypad deadbolts
- Electronic deadbolts
- Smart deadbolts
If the door does not already have deadbolt preparation, new measurements and drilling may be required.
New Locks for West U Home Renovations
West University Place has homes that range from established properties to extensively renovated residences, and new doors or remodeling work can create an opportunity to reconsider the lock layout.
If you’re updating an exterior entrance, you may want to:
- Install new hardware
- Add a deadbolt
- Replace mismatched locks
- Use compatible locks with the same key
- Add keypad access
- Install a smart lock
- Update an older handleset
- Add hardware to a secondary entrance
Send photos before scheduling, especially when new doors or custom entry hardware are involved.
Door Measurements Matter
A lock can be high quality and still be wrong for the door.
Important installation details can include:
- Door thickness
- Backset
- Bore-hole diameter
- Edge-bore position
- Distance between existing holes
- Deadbolt position
- Handleset spacing
- Strike location
- Door swing
- Existing hardware preparation
When the new lock does not match the existing preparation, additional work may be required—or a different lock may be more appropriate.
Lock Installation for Front Entrances
Front doors often use more decorative or complex hardware than secondary entrances.
We can install many compatible:
- Entry knobs
- Entry levers
- Deadbolts
- Handlesets
- Keypad locks
- Electronic locks
- Smart locks
If you’re changing from one handleset design to another, send clear photos and measurements when available.
Existing holes and mounting points can affect what replacement or new installation will fit properly.
Side, Back & Garage-Entry Doors
The front entrance is not the only door worth considering.
Lock installation may also be requested for:
- Side doors
- Rear entrances
- Garage-to-house doors
- Secondary exterior doors
- Rental-property entrances
- Compatible office doors
If several doors need work, send photos of each one and label them before scheduling.
Keypad Lock Installation
A keypad can provide convenient access without requiring everyone to carry a physical key.
Depending on the model, features may include:
- PIN-code entry
- Multiple user codes
- Temporary codes
- Auto-lock functions
- Physical backup key
- Electronic access
Specific features depend on the lock manufacturer and model.
Smart Lock Installation
Want more than a basic keypad?
Compatible smart locks may offer features such as:
- App-based control
- Bluetooth
- Wi-Fi connectivity
- Temporary access codes
- Remote features
- Activity information
- Automatic locking
Some features require manufacturer apps, accounts, hubs, Wi-Fi, subscriptions, or third-party services.
Fast Locksmith 24/7 can install compatible hardware, but ongoing app and cloud functionality is controlled by the product manufacturer.
Already Purchased Your Lock?
Customer-supplied locks can be installed when they are compatible with the door and intended application.
Before scheduling, send:
- Photo of the new lock
- Brand and model
- Photo of the packaging
- Photo of both sides of the door
- Photo of the door edge
- Photo of the existing strike area
- Measurements when available
This is particularly important when ordering hardware online.
A product description saying “fits most doors” does not guarantee it will fit your specific door without modification.
New Door With No Hardware Installed?
If you have a new door with no lock installed yet, tell us whether the door is:
- Fully pre-bored
- Partially prepared
- Completely unprepared
- Already installed in the frame
- Still being worked on
Photos are especially useful.
The amount of preparation required can significantly change the scope of the installation.
Can Several New Locks Use One Key?
Sometimes.
If you’re installing multiple compatible keyed locks, tell us beforehand that you want to minimize the number of keys.
Depending on the brand and keyway, compatible hardware may be configured to operate with the same key.
This should be planned before purchasing several unrelated locks.
Lock Installation for Rental Properties
Authorized landlords and property managers may request installation for:
- New rental-property doors
- Replacement entrances
- Additional deadbolts
- Keypad upgrades
- New keyed hardware
- Multiple exterior doors
If a property is occupied, appropriate authorization should be established before permanent hardware changes are made.
Commercial Lock Installation Near West U
Fast Locksmith 24/7 also provides installation for many compatible commercial lock applications.
Commercial doors and hardware can differ from residential doors, so photos should be reviewed before scheduling.
Service may include compatible hardware for:
- Offices
- Professional spaces
- Small businesses
- Commercial rental properties
- Interior business doors
- Exterior business entrances
Specialized access-control, life-safety, fire-rated, or code-regulated hardware may require additional evaluation.
Lock Installation Throughout West University Place
Our mobile service covers West U and surrounding accessible locations, including properties around:
- University Boulevard
- Edloe Street
- Buffalo Speedway
- Weslayan Street
- Rice Boulevard
- Bissonnet Street
- Kirby Drive
- West Holcombe Boulevard
- Southside Place
- Areas toward Rice Village
For installation jobs, send the exact property address and door photos so the job can be reviewed before dispatch.
Before the Technician Arrives
For the most accurate assessment, send:
- Exact address
- Number of doors
- Photos of each door
- Photos of existing hardware
- Photos of new hardware
- Whether the door is already drilled
- Whether you’re adding or replacing a lock
- Brand/model of customer-supplied locks
- Whether compatible locks should use one key
This can prevent unnecessary surprises when installation begins.
How Much Does Lock Installation Cost?
Lock installation pricing depends on the actual work required.
Factors may include:
- Lock type
- Number of locks
- Existing door preparation
- New drilling required
- Door material and configuration
- Hardware selected
- Installation complexity
- Strike preparation
- Customer-supplied or technician-supplied hardware
- Exact location
- Time of service
Installing hardware into an already prepared door and creating a completely new lock opening are different jobs and may be priced differently.