(347) 541-4824
Commercial Doors
Installation, repair and upgrades for storefronts, buildings and facilities.
Learn More
NYC & Long Island
New York doors.
Smarter security.
Commercial doors, access control, intercom, CCTV cameras and complete entry systems for NYC and Long Island properties.
FIND HELP FOR YOUR PROPERTY
Find service by neighborhood or ZIP code.
Insured
Commercial & Residential
NYC & Long IslandOUR SERVICES
Complete entry and security solutions.
A safer, more secure and better connected property, inside and out.
Access Control
Secure entry for buildings, offices and residences.
Learn More
CCTV Cameras
Reliable video security for greater visibility and peace of mind.
Learn More
Intercom Systems
Modern intercom solutions for seamless communication and building entry.
Learn MoreMore for your propertyResidential Door RepairResidential Door InstallationWindow Repair Smart Locks All Services
PROBLEMS WE FIX
What customers call about
Common entry and security problems we diagnose and repair for homes, apartment buildings, stores and commercial properties across NYC and Long Island.
Buzzer does not ring
Call buttons, tenant stations, lobby panels, wiring and power are checked.
View buzzer troubleshootingDoor does not unlock
Electric strike, magnetic lock, relay, power supply and door alignment are reviewed together.
View door release repairCard reader not working
Reader power, wiring, controller communication and credential issues are diagnosed.
View card reader repairCamera offline
Camera, cable, recorder, network and power problems are narrowed down before replacement.
View camera troubleshootingStorefront door will not close
Closer, pivots, lock, frame and glass door alignment are inspected as one system.
View storefront door repairProperty manager needs an estimate
We can prepare a clear scope for building owners, boards and management companies.
Request an estimatePROJECT INSPIRATION
Project inspiration.
Image-forward ideas for entrances, controlled access and security systems.
Design inspiration. See our actual project videos below.
Our Work
Door, lock and entry hardware work across Brooklyn and Long Island.
Brass Door Hardware Replacement
Before & After: worn brass door hardware replaced on the same Long Island door.
View all 6 project photos
Project details
- Service need
- Replacement of worn brass door hardware at a Long Island property.
- Visible condition
- The before photos show tarnished exterior brass trim and a round knob, with the original knob and thumbturn on the inside.
- Work completed
- The door hardware was replaced on the same existing door. The new brass trim and operating hardware are shown from the exterior, interior and door edge.
- Result shown
- The after photos show the replacement keyed exterior trim, interior knob and thumbturn, and fitted door-edge hardware.
Checks after this type of service
For a similar service, confirm the following with your technician:
- Confirm that the key and interior thumbturn operate the lock.
- Check that the latch meets the strike and the door closes without binding.
- Check the handles and trim for secure fit.
Magnetic lock replacement
0:25Commercial glass office entrance magnetic lock replacement with card reader and push-to-exit button in ZIP 11797 on Long Island.
Project details
- Service need
- Magnetic lock replacement at a commercial glass office entrance in Long Island ZIP 11797.
- Entrance arrangement
- The entrance combines an overhead magnetic lock, a card reader and a push-to-exit button.
- Work completed
- The magnetic locking hardware was replaced at the existing glass entrance.
- Result shown
- The photos and video show the fitted overhead magnetic lock and the way the locking hardware meets the glass door.
Checks after this type of service
For a similar service, confirm the following with your technician:
- Test entry release with an authorized credential.
- Test the installed exit-release controls.
- Confirm that the door closes into position and the lock re-engages.
Glass double-door hardware
0:33Glass double doors and overhead locking hardware on Long Island.
Project details
- Service focus
- Glass double-door entry hardware at a Long Island property.
- Visible arrangement
- The paired glass doors have pull handles and locking hardware mounted above the opening.
- Work shown
- The footage gives a close view of the installed overhead locking hardware and the existing glass-door entrance.
- Result shown
- The recording shows the upper locking unit, the door leaves and the entrance from both sides.
Checks after this type of service
For a similar service, confirm the following with your technician:
- Check the movement and closing alignment of both door leaves.
- Confirm secure locking and release through the installed controls.
- Check that the hardware and mounting remain firmly fitted.
Remote-controlled entry
0:36Remote-controlled glass entrance door on Long Island.
Project details
- Service focus
- Remote-controlled release at a glass entrance on Long Island.
- Visible arrangement
- A handheld remote is used at the existing glass entry door.
- Work shown
- The footage demonstrates the remote-controlled entrance arrangement at the property.
- Check shown
- The video shows use of the handheld remote followed by entry through the glass door.
Checks after this type of service
For a similar service, confirm the following with your technician:
- Confirm that the authorized remote releases the correct entrance.
- Check door movement and closing after release.
- Confirm that the entrance returns to its intended locked state.
Magnetic lock at a glass entrance
0:53Glass entrance door with an overhead magnetic lock on Long Island.
Project details
- Service focus
- Magnetic locking hardware at a Long Island glass entrance.
- Visible arrangement
- An overhead magnetic lock is fitted at the top of the glass entrance.
- Work shown
- The video documents the upper locking hardware and its placement at the existing door and frame.
- Result shown
- The entrance and fitted hardware are shown together, including the door from inside the property.
Checks after this type of service
For a similar service, confirm the following with your technician:
- Check that the door meets the magnetic locking hardware correctly.
- Test the installed entry and exit-release controls.
- Confirm closing and re-engagement after an authorized release.
Black deadbolt and door hardware
0:20Black deadbolt and matching door hardware in Williamsburg, Brooklyn.
Project details
- Service focus
- Key-operated door hardware at a residential property in Williamsburg, Brooklyn.
- Visible arrangement
- The existing door has a black mechanical deadbolt and matching black knob hardware.
- Work shown
- The footage shows the fitted deadbolt and matching hardware on the residential door.
- Check shown
- A key is used at the installed deadbolt in the video.
Checks after this type of service
For a similar service, confirm the following with your technician:
- Test the key and interior operating hardware.
- Check the latch and deadbolt against the frame strike.
- Confirm that the door closes and the hardware operates without binding.
Lock Change Bushwick Brooklyn
0:43Customer recommends 770 Doors & Windows after a Bushwick Brooklyn lock change and residential door hardware service.
Project details
- Service need
- Residential lock change and door hardware service in Bushwick, Brooklyn.
- Visible arrangement
- The footage shows the keyed lock at the existing residential door.
- Work completed
- A lock change was completed at the property, as described in the accompanying customer recommendation.
- Check shown
- The video shows a key being used at the lock, followed by the customer's recommendation of 770 Doors & Windows.
Checks after this type of service
For a similar service, confirm the following with your technician:
- Test the customer's keys and the interior operating hardware.
- Confirm latch and deadbolt engagement with the door closed.
- Check that the door and installed hardware move without binding.
HOW WE WORK
A clear next step for your property.
Tell us what you need
Send your ZIP, photos and a short description of the work.
Review the property
We confirm availability and arrange an inspection when needed.
Understand the estimate
We explain the proposed work and price before you approve.
LOCAL SERVICE
Across NYC & Long Island.
For homes, stores, offices and apartment buildings.
Planning entry service on Long Island?
For homes and apartment buildings in Nassau and Suffolk, compare intercom installation on Long Island, including video answering, home intercoms and shared entrances. For staff or resident credentials, review our access control installation service. Send your ZIP code, property type and photos to arrange a free on-site estimate.
What areas do you serve?
Brooklyn, Queens, Manhattan, the Bronx, Staten Island and much of Long Island. Confirm availability with your ZIP code.
Do you work on homes and businesses?
Yes. We serve residential and commercial properties, including apartment buildings, stores and offices.
Can I send photos before scheduling?
Yes. Send photos of the door, lock, camera, intercom or access system and your ZIP code so we can review your request.
BUSHWICK · BROOKLYN
A recommendation from a real customer.
The original project recording includes a customer's recommendation of 770 Doors & Windows after a residential lock change. It also shows a key being used at the fitted lock.
Request service or an estimate
Tell us where the property is, describe the problem and add photos so we can review your request.
Access Control Systems Long Island
Explore Long Island access control installation, repair and upgrades for Nassau and Suffolk properties, or choose your town or neighborhood. Review cards, key fobs, keypad entry and equipment compatibility before requesting service.