1. MyDoorSign >
  2. Door Signs
  3. > Keep Closed
  4. > Lock Doors

Lock Door Signs

(57309)
Mark doors that need to be locked at all times or part of the day. Use our Lock Door Signs for places of electrical supplies, chemicals storage, etc.
  • • Signs are made from durable aluminum, plastic and laminated vinyl, to withstand chemical and weather abuse.
  • • Designed to for durability, signs last 10 years or more!
  • • Mouse over designs to see detailed specifications.
  • • Get the best prices online. Don't see what you're looking for? Call our live support team.
Keep Door Closed Signs
Remind users to keep the door closed - protect your privacy and security through Keep Door Closed Signs.
Ships Today.Order within 00 hrs 00 mins
quick-turnaround-time
Free Shipping
  • Orders over $49.95 ship for free.
  • Sign orders over $125
    qualify for Free 2 Day Shipping.
  • Get your signs on Tuesday! *

Lock Door Signs

(57310)
Zoom Price Buy
Magnetic Cabinet Label: Poisons Keep Doors Locked
Magnetic Cabinet Label
3.5"x12" to 7"x24"
Keep Door Closed
OSHA Notice Sign
3.5"x5" to 10"x14"
This Door Must Be Kept Locked
OSHA Notice Sign
3.5"x5" to 10"x14"
Notice: Keep Doors Locked
Notice Sign
3.5"x5" to 18"x24"
Notice: Keep Doors Closed At All Times
Notice Sign
3.5"x5" to 18"x24"
Keep Door Closed at All Times (with door graphic)
Notice Sign
3.5"x5" to 10"x14"
This Gate Must Be Kept Locked
Notice Sign
10"x14" to 24"x30"
All Doors Must Remain Locked During Zombie Attacks (with Graphic)
OSHA Notice Funny Safety Sign
3.5"x5" to 10"x14"
Lift Latch To Enter
OSHA Notice Sign
10"x14" to 12"x18"
Please Lock All Doors, Remove Valuables From Sight
Notice Sign
12"x18" to 18"x24"
Notice: Please Lock All Doors Remove Valuable From Sight (with Cell Phone and Camera Graphic)
Notice Sign
12"x18" to 18"x24"
Gate Must Be Kept Locked with Symbol
ANSI Notice Sign
7"x10" to 12"x18"
Must Remain Locked (with Lock Symbol)
ANSI Notice Sign
3.5"x5" to 10"x14"
Notice: Roof Is Not For Public Use. Keep Door Locked At All Times. ( With Graphics)
Notice Sign
3.5"x5" to 18"x24"
Notice: Lock Door When Finished.
Notice Sign
3.5"x5" to 18"x24"
Keep This Door Closed And Locked, Aviso Mantenga Esta Puerta Cerrada Con Llave
Bilingual Notice Sign
3.5"x5" to 18"x24"
44colors
This Door Must Be Locked At All Times
Contour/Esquire Exit Sign, 5.5" x 5.5"
5.5"x5.5"
44colors
This Door Must Be Locked At All Times
Marquis Exit Sign, 6" x 6"
6"x6"
2-sided
This Door Must be Locked at All Times
2-Sided Spot-a-Signs™, 6" x 6"
6"x6"

Lock Door Signs - Engraved

(119109)
16colors
Make Sure Door Closes Behind You
Select-a-Color Engraved Sign
3"x9" to 4"x12"
bestseller
This Door Must be Locked at All Times
3" x 9" DiamondPlate™ Door Sign
3"x9"
16colors
Keep Door Closed And Locked
Select-a-Color™ Engraved Sign
3"x9" to 4"x12"
16colors
Lock Door When Finished (with Lock Symbol)
Select-a-Color™ Engraved Sign
3"x9" to 4"x12"
16colors
Keep Doors Locked (with Lock Symbol)
Select-a-Color™ Engraved Sign
3"x9" to 4"x12"
16colors
Please Keep This Door Locked At All Times (with Lock Symbol)
Select-a-Color™ Engraved Sign
3"x9" to 4"x12"
16colors
Please Keep This Door Closed At All Times (With Door Symbol)
Select-a-Color™ Engraved Sign
3"x9" to 4"x12"
16colors
This Door Must Be Kept Closed (With Door Symbol)
Select-a-Color™ Engraved Sign
3"x9" to 4"x12"
16colors
Have You Locked The Door?
Select-a-Color™ Engraved Sign
4"x4"
16colors
Please Switch Off Light And Lock Door When Leaving
Select-a-Color™ Engraved Sign
4"x4"
16colors
Remember! Lock The Door
Select-a-Color Engraved Sign
9"x9"
16colors
This Door Must be Locked at All Times
6" x 6" Select-a-Color™ Engraved Sign
6"x6"

Lock Door Signs - Braille

(119110)
Door Must Be Locked At All Times (with Tactile Touch Braille)
4" x 8" TactileTouch™ Braille Sign
4"x8"
Door Must Be Locked At All Times
6" x 6" TactileTouch™ ADA Sign with Braille
6"x6"
Door Must Be Locked At All Times (with Graphic)
9" x 6" TactileTouch™ Sign with Braille
6"x9"

Lock Door Signs - Showcase

(119111)
Make Sure Door Is Closed When You Leave
ShowCase™ Swimming Pool Wall Sign
3"x10"
Make Sure Door Is Locked When You Leave
ShowCase™ Swimming Pool Wall Sign
3"x10"
Make Sure Gate Is Closed When You Leave
ShowCase™ Swimming Pool Wall Sign
3"x10"
Keep This Door Locked At All Times
ShowCase™ Swimming Pool Wall Sign
3"x10"
Keep This Gate Closed At All Times
ShowCase™ Swimming Pool Wall Sign
3"x10"
Keep This Door Locked - Thank You
ShowCase™ Wall Sign
3"x10"
Please Switch Off Light And Lock Door When Leaving
Signature ShowCase™ Sign

Customer Reviews

Man User Icon
Jan 23, 2023

Select-a-Color™ Engraved Sign : Please Keep This Door Locked At...
Part #:SE-6166 3" x 9" Outdoor Engraved Plastic   Verified Purchase

Great signs

perfect size for the door it needs to go on.
Man User Icon
Sep 25, 2020

Select-a-Color™ Engraved Sign : Please Keep This Door Closed At...
Part #:SE-6168 3" x 9" Indoor Engraved Plastic   Verified Purchase

as expected

As expected.
Man User Icon
Aug 20, 2020

Select-a-Color™ Engraved Sign : Please Keep This Door Closed At...
Part #:SE-6168 3" x 9" Indoor Engraved Plastic   Verified Purchase

5 Star

Great quality signs.
Woman User Icon
Sep 05, 2019

Select-a-Color™ Engraved Sign : Please Keep This Door Locked At...
Part #:SE-6166 3" x 9" Outdoor Engraved Plastic   Verified Purchase

Even Better!

The sign looked even better than what I thought it would look like.
Woman User Icon
Aug 19, 2019

Select-a-Color Engraved Sign : Remember! Lock The Door
Part #:SE-6507 9" x 9" Indoor Engraved Plastic   Verified Purchase

Justa what we were looking for.

Just what we were looking for.