City of Diamond Bar
@cityofdiamondbar.bsky.social
Official account of Diamond Bar, CA
Have you caught up on the Diamond Bar Weekly Highlights?
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December 19, 2025 at 6:04 PM
Have you caught up on the Diamond Bar Weekly Highlights?
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City offices will be closed for the holidays from Wednesday, Dec. 24 to Friday, Dec. 26. Offices will reopen on Monday, Dec. 29 and close again at noon on Wednesday, Dec. 31, and remain closed through Friday, Jan. 2.
Offices will reopen at 7:30 a.m. on Monday, Jan. 5, 2026.
Offices will reopen at 7:30 a.m. on Monday, Jan. 5, 2026.
December 18, 2025 at 5:21 PM
City offices will be closed for the holidays from Wednesday, Dec. 24 to Friday, Dec. 26. Offices will reopen on Monday, Dec. 29 and close again at noon on Wednesday, Dec. 31, and remain closed through Friday, Jan. 2.
Offices will reopen at 7:30 a.m. on Monday, Jan. 5, 2026.
Offices will reopen at 7:30 a.m. on Monday, Jan. 5, 2026.
Dry Christmas trees can quickly become a fire hazard.
We teamed up with LA County Fire Captain Sheila Kelliher Berkoh to share simple safety tips: pick a fresh or fire-resistant tree, keep it from heat, water often, and secure it well.
Watch now and keep your holidays safe!
We teamed up with LA County Fire Captain Sheila Kelliher Berkoh to share simple safety tips: pick a fresh or fire-resistant tree, keep it from heat, water often, and secure it well.
Watch now and keep your holidays safe!
December 14, 2025 at 4:00 PM
Dry Christmas trees can quickly become a fire hazard.
We teamed up with LA County Fire Captain Sheila Kelliher Berkoh to share simple safety tips: pick a fresh or fire-resistant tree, keep it from heat, water often, and secure it well.
Watch now and keep your holidays safe!
We teamed up with LA County Fire Captain Sheila Kelliher Berkoh to share simple safety tips: pick a fresh or fire-resistant tree, keep it from heat, water often, and secure it well.
Watch now and keep your holidays safe!
Join us in welcoming Klatch Coffee to Diamond Bar! 🎉
Ribbon Cutting: Sat., Dec. 20 at 10:30 a.m. inside Sprouts (239 S. Diamond Bar Blvd).
Earn 10% back in rewards at Klatch from Dec. 20–Jan. 19 through the Open Rewards app.
Keep It Local, Diamond Bar! 💙
Ribbon Cutting: Sat., Dec. 20 at 10:30 a.m. inside Sprouts (239 S. Diamond Bar Blvd).
Earn 10% back in rewards at Klatch from Dec. 20–Jan. 19 through the Open Rewards app.
Keep It Local, Diamond Bar! 💙
December 10, 2025 at 12:31 AM
Join us in welcoming Klatch Coffee to Diamond Bar! 🎉
Ribbon Cutting: Sat., Dec. 20 at 10:30 a.m. inside Sprouts (239 S. Diamond Bar Blvd).
Earn 10% back in rewards at Klatch from Dec. 20–Jan. 19 through the Open Rewards app.
Keep It Local, Diamond Bar! 💙
Ribbon Cutting: Sat., Dec. 20 at 10:30 a.m. inside Sprouts (239 S. Diamond Bar Blvd).
Earn 10% back in rewards at Klatch from Dec. 20–Jan. 19 through the Open Rewards app.
Keep It Local, Diamond Bar! 💙
Have you caught up on the Diamond Bar Weekly Highlights?
Here's what's happening in your city! https://cvcpl.us/0h3K7bf
👉 Want more info for one of the highlights?
Comment, and we'll send you the link!
Here's what's happening in your city! https://cvcpl.us/0h3K7bf
👉 Want more info for one of the highlights?
Comment, and we'll send you the link!
December 5, 2025 at 6:18 PM
Have you caught up on the Diamond Bar Weekly Highlights?
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Comment, and we'll send you the link!
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👉 Want more info for one of the highlights?
Comment, and we'll send you the link!
Shop DB for the Holidays is back. From Nov. 28–Dec. 31, earn 10% back in rewards at any Diamond Bar retailer or restaurant through the Open Rewards app.
Download the app, create an account, select Diamond Bar, and link your card or upload a receipt.
Keep it Local, Diamond Bar! 💙
Download the app, create an account, select Diamond Bar, and link your card or upload a receipt.
Keep it Local, Diamond Bar! 💙
November 26, 2025 at 12:47 AM
Shop DB for the Holidays is back. From Nov. 28–Dec. 31, earn 10% back in rewards at any Diamond Bar retailer or restaurant through the Open Rewards app.
Download the app, create an account, select Diamond Bar, and link your card or upload a receipt.
Keep it Local, Diamond Bar! 💙
Download the app, create an account, select Diamond Bar, and link your card or upload a receipt.
Keep it Local, Diamond Bar! 💙
Try Tacitas Coffee and earn 10% back through Nov. 30 with the Open Rewards app. Download the app, create your account, and link your card or upload a receipt to start earning rewards. Keep It Local, Diamond Bar!
November 24, 2025 at 11:01 PM
Try Tacitas Coffee and earn 10% back through Nov. 30 with the Open Rewards app. Download the app, create your account, and link your card or upload a receipt to start earning rewards. Keep It Local, Diamond Bar!
Keeping dogs on a leash helps everyone enjoy Diamond Bar’s parks, streets, and public spaces. It protects pets, people, and wildlife.
According to D.B.M.C 12.00.260, all pets must be leashed in public places. Violators may be fined up to $500.
Help keep our parks safe and enjoyable for all. 🐾💙
According to D.B.M.C 12.00.260, all pets must be leashed in public places. Violators may be fined up to $500.
Help keep our parks safe and enjoyable for all. 🐾💙
November 22, 2025 at 1:01 AM
Keeping dogs on a leash helps everyone enjoy Diamond Bar’s parks, streets, and public spaces. It protects pets, people, and wildlife.
According to D.B.M.C 12.00.260, all pets must be leashed in public places. Violators may be fined up to $500.
Help keep our parks safe and enjoyable for all. 🐾💙
According to D.B.M.C 12.00.260, all pets must be leashed in public places. Violators may be fined up to $500.
Help keep our parks safe and enjoyable for all. 🐾💙
Have you caught up on the Diamond Bar Weekly Highlights?
Here's what's happening in your city! https://www.diamondbarca.gov/CivicSend/ViewMessage/Message/276296
👉 Want more info for one of the highlights?
Comment, and we'll send you the link!
Here's what's happening in your city! https://www.diamondbarca.gov/CivicSend/ViewMessage/Message/276296
👉 Want more info for one of the highlights?
Comment, and we'll send you the link!
November 21, 2025 at 10:15 PM
Have you caught up on the Diamond Bar Weekly Highlights?
Here's what's happening in your city! https://www.diamondbarca.gov/CivicSend/ViewMessage/Message/276296
👉 Want more info for one of the highlights?
Comment, and we'll send you the link!
Here's what's happening in your city! https://www.diamondbarca.gov/CivicSend/ViewMessage/Message/276296
👉 Want more info for one of the highlights?
Comment, and we'll send you the link!
The City is planning ahead to preserve the services residents count on, from public safety to parks to street repairs.
As part of this effort, the City is gathering input from residents, businesses, and community groups to better understand local priorities and communication preferences.
As part of this effort, the City is gathering input from residents, businesses, and community groups to better understand local priorities and communication preferences.
November 19, 2025 at 9:20 PM
The City is planning ahead to preserve the services residents count on, from public safety to parks to street repairs.
As part of this effort, the City is gathering input from residents, businesses, and community groups to better understand local priorities and communication preferences.
As part of this effort, the City is gathering input from residents, businesses, and community groups to better understand local priorities and communication preferences.
The City's Healthy Diamond Bar Trail Hike at Mesa Loop on Thursday, November 20 has been canceled due to the rain impacting trail conditions.
Join the next Healthy DB event from 9-10 a.m. on February 25 for the Wednesday Walker Mash-Up at Peterson Park.
Join the next Healthy DB event from 9-10 a.m. on February 25 for the Wednesday Walker Mash-Up at Peterson Park.
November 18, 2025 at 9:02 PM
The City's Healthy Diamond Bar Trail Hike at Mesa Loop on Thursday, November 20 has been canceled due to the rain impacting trail conditions.
Join the next Healthy DB event from 9-10 a.m. on February 25 for the Wednesday Walker Mash-Up at Peterson Park.
Join the next Healthy DB event from 9-10 a.m. on February 25 for the Wednesday Walker Mash-Up at Peterson Park.
DB 4Youth is collecting non-perishable food and pet supplies Nov. 5–Dec. 8. 🎁
Drop off at City Hall, Diamond Bar Center, or Heritage Park.
Open to teens (grades 8–12). Learn more at www.diamondbarca.gov/db4youth
Drop off at City Hall, Diamond Bar Center, or Heritage Park.
Open to teens (grades 8–12). Learn more at www.diamondbarca.gov/db4youth
November 16, 2025 at 1:30 AM
DB 4Youth is collecting non-perishable food and pet supplies Nov. 5–Dec. 8. 🎁
Drop off at City Hall, Diamond Bar Center, or Heritage Park.
Open to teens (grades 8–12). Learn more at www.diamondbarca.gov/db4youth
Drop off at City Hall, Diamond Bar Center, or Heritage Park.
Open to teens (grades 8–12). Learn more at www.diamondbarca.gov/db4youth
Leaving pet waste behind harms the environment and violates City Code Sec. 6.00.090.
Always pick up after your pet and dispose of waste properly.
To report repeat offenders, call the Inland Valley Humane Society at 909-623-9777.
Let’s keep Diamond Bar clean!
Always pick up after your pet and dispose of waste properly.
To report repeat offenders, call the Inland Valley Humane Society at 909-623-9777.
Let’s keep Diamond Bar clean!
November 13, 2025 at 11:30 PM
Leaving pet waste behind harms the environment and violates City Code Sec. 6.00.090.
Always pick up after your pet and dispose of waste properly.
To report repeat offenders, call the Inland Valley Humane Society at 909-623-9777.
Let’s keep Diamond Bar clean!
Always pick up after your pet and dispose of waste properly.
To report repeat offenders, call the Inland Valley Humane Society at 909-623-9777.
Let’s keep Diamond Bar clean!
Attend the next Coffee with a Cop.
Meet deputies from the Walnut Diamond Bar Sheriff's Station for casual conversations about safety resources, crime trends, and building a stronger community.
Next Session:
🗓️ Wed., Nov. 12 | 6-8 p.m.
📍Starbucks | 22438 Golden Springs Drive
Meet deputies from the Walnut Diamond Bar Sheriff's Station for casual conversations about safety resources, crime trends, and building a stronger community.
Next Session:
🗓️ Wed., Nov. 12 | 6-8 p.m.
📍Starbucks | 22438 Golden Springs Drive
November 11, 2025 at 8:01 PM
Attend the next Coffee with a Cop.
Meet deputies from the Walnut Diamond Bar Sheriff's Station for casual conversations about safety resources, crime trends, and building a stronger community.
Next Session:
🗓️ Wed., Nov. 12 | 6-8 p.m.
📍Starbucks | 22438 Golden Springs Drive
Meet deputies from the Walnut Diamond Bar Sheriff's Station for casual conversations about safety resources, crime trends, and building a stronger community.
Next Session:
🗓️ Wed., Nov. 12 | 6-8 p.m.
📍Starbucks | 22438 Golden Springs Drive
Any time is a great time for some pizza! 🍕
From Nov. 10-16, get 10% back in rewards through the Open Rewards app when you shop locally at any of these Diamond Bar retailers:
Barro’s Pizza
Domino’s Pizza
Mr. G’s Pizza
Round Table Pizza
From Nov. 10-16, get 10% back in rewards through the Open Rewards app when you shop locally at any of these Diamond Bar retailers:
Barro’s Pizza
Domino’s Pizza
Mr. G’s Pizza
Round Table Pizza
November 10, 2025 at 8:21 PM
Any time is a great time for some pizza! 🍕
From Nov. 10-16, get 10% back in rewards through the Open Rewards app when you shop locally at any of these Diamond Bar retailers:
Barro’s Pizza
Domino’s Pizza
Mr. G’s Pizza
Round Table Pizza
From Nov. 10-16, get 10% back in rewards through the Open Rewards app when you shop locally at any of these Diamond Bar retailers:
Barro’s Pizza
Domino’s Pizza
Mr. G’s Pizza
Round Table Pizza
Learn how Diamond Bar plans, builds, and develops at the final City Government Explained session of the year! 🏗️
🗓️ Wed, Nov. 12 at 6 p.m.
📍 City Hall, 21810 Copley Dr
Space is limited—register by texting/calling 909-839-7019 or emailing publicinfo@diamondbarca.gov
.
🗓️ Wed, Nov. 12 at 6 p.m.
📍 City Hall, 21810 Copley Dr
Space is limited—register by texting/calling 909-839-7019 or emailing publicinfo@diamondbarca.gov
.
November 9, 2025 at 7:02 PM
Learn how Diamond Bar plans, builds, and develops at the final City Government Explained session of the year! 🏗️
🗓️ Wed, Nov. 12 at 6 p.m.
📍 City Hall, 21810 Copley Dr
Space is limited—register by texting/calling 909-839-7019 or emailing publicinfo@diamondbarca.gov
.
🗓️ Wed, Nov. 12 at 6 p.m.
📍 City Hall, 21810 Copley Dr
Space is limited—register by texting/calling 909-839-7019 or emailing publicinfo@diamondbarca.gov
.
Have you caught up on the Diamond Bar Weekly Highlights?
Here's what's happening in your city! https://www.diamondbarca.gov/CivicSend/ViewMessage/Message/275005
👉 Want more info for one of the highlights?
Comment, and we'll send you the link!
Here's what's happening in your city! https://www.diamondbarca.gov/CivicSend/ViewMessage/Message/275005
👉 Want more info for one of the highlights?
Comment, and we'll send you the link!
November 7, 2025 at 7:19 PM
Have you caught up on the Diamond Bar Weekly Highlights?
Here's what's happening in your city! https://www.diamondbarca.gov/CivicSend/ViewMessage/Message/275005
👉 Want more info for one of the highlights?
Comment, and we'll send you the link!
Here's what's happening in your city! https://www.diamondbarca.gov/CivicSend/ViewMessage/Message/275005
👉 Want more info for one of the highlights?
Comment, and we'll send you the link!
Looking to connect more to the community? Attend the next Coffee with a Cop.
Meet local deputies from the Walnut Diamond Bar Sheriff's Station for casual conversations about safety resources, crime trends, and building a stronger community.
Meet local deputies from the Walnut Diamond Bar Sheriff's Station for casual conversations about safety resources, crime trends, and building a stronger community.
November 1, 2025 at 2:57 PM
Looking to connect more to the community? Attend the next Coffee with a Cop.
Meet local deputies from the Walnut Diamond Bar Sheriff's Station for casual conversations about safety resources, crime trends, and building a stronger community.
Meet local deputies from the Walnut Diamond Bar Sheriff's Station for casual conversations about safety resources, crime trends, and building a stronger community.
Stack up rewards this National Sandwich Day! 🥪
From November 3-9, get 10% back in rewards through the Open Rewards app when you shop locally at any of these Diamond Bar retailers:
• Farmer Boys
• International Deli
• Jimmy John’s
• Subway
• Vista Pointe Deli
From November 3-9, get 10% back in rewards through the Open Rewards app when you shop locally at any of these Diamond Bar retailers:
• Farmer Boys
• International Deli
• Jimmy John’s
• Subway
• Vista Pointe Deli
October 30, 2025 at 7:39 PM
Stack up rewards this National Sandwich Day! 🥪
From November 3-9, get 10% back in rewards through the Open Rewards app when you shop locally at any of these Diamond Bar retailers:
• Farmer Boys
• International Deli
• Jimmy John’s
• Subway
• Vista Pointe Deli
From November 3-9, get 10% back in rewards through the Open Rewards app when you shop locally at any of these Diamond Bar retailers:
• Farmer Boys
• International Deli
• Jimmy John’s
• Subway
• Vista Pointe Deli
Join the City in welcoming Tacitas Coffee to Diamond Bar! 🥳
Ribbon Cutting Ceremony ✂️
Friday, Oct. 31 at 9 a.m.
574 N. Diamond Bar Boulevard
🎁 Keep it Local Rewards Alert: Oct. 31-Nov. 30
Earn 10% back in rewards all month long when you purchase at Tacitas Coffee through the Open Rewards app!
Ribbon Cutting Ceremony ✂️
Friday, Oct. 31 at 9 a.m.
574 N. Diamond Bar Boulevard
🎁 Keep it Local Rewards Alert: Oct. 31-Nov. 30
Earn 10% back in rewards all month long when you purchase at Tacitas Coffee through the Open Rewards app!
October 29, 2025 at 5:34 PM
Join the City in welcoming Tacitas Coffee to Diamond Bar! 🥳
Ribbon Cutting Ceremony ✂️
Friday, Oct. 31 at 9 a.m.
574 N. Diamond Bar Boulevard
🎁 Keep it Local Rewards Alert: Oct. 31-Nov. 30
Earn 10% back in rewards all month long when you purchase at Tacitas Coffee through the Open Rewards app!
Ribbon Cutting Ceremony ✂️
Friday, Oct. 31 at 9 a.m.
574 N. Diamond Bar Boulevard
🎁 Keep it Local Rewards Alert: Oct. 31-Nov. 30
Earn 10% back in rewards all month long when you purchase at Tacitas Coffee through the Open Rewards app!
The 2025 State of the City Address is now available to watch on the City YouTube channel!
Hear from Mayor Chia Yu Teng as he shares key updates on infrastructure, public safety, and community plans shaping Diamond Bar’s future.
Hear from Mayor Chia Yu Teng as he shares key updates on infrastructure, public safety, and community plans shaping Diamond Bar’s future.
2025 Diamond Bar State of the City Address
YouTube video by City of Diamond Bar
youtu.be
October 21, 2025 at 3:12 PM
The 2025 State of the City Address is now available to watch on the City YouTube channel!
Hear from Mayor Chia Yu Teng as he shares key updates on infrastructure, public safety, and community plans shaping Diamond Bar’s future.
Hear from Mayor Chia Yu Teng as he shares key updates on infrastructure, public safety, and community plans shaping Diamond Bar’s future.
Know someone making a difference in Diamond Bar? 🌟
Nominate them for the City’s Outstanding Volunteer Awards by Nov. 10!
Honorees will be recognized at Winter Snow Fest on Dec. 6. Submit your nomination at www.diamondbarca.gov/volunteers
Nominate them for the City’s Outstanding Volunteer Awards by Nov. 10!
Honorees will be recognized at Winter Snow Fest on Dec. 6. Submit your nomination at www.diamondbarca.gov/volunteers
October 15, 2025 at 7:02 PM
Know someone making a difference in Diamond Bar? 🌟
Nominate them for the City’s Outstanding Volunteer Awards by Nov. 10!
Honorees will be recognized at Winter Snow Fest on Dec. 6. Submit your nomination at www.diamondbarca.gov/volunteers
Nominate them for the City’s Outstanding Volunteer Awards by Nov. 10!
Honorees will be recognized at Winter Snow Fest on Dec. 6. Submit your nomination at www.diamondbarca.gov/volunteers
🩸 Red Cross Blood Drive at the Diamond Bar Center
Wednesday, Oct 29 | 9 a.m. – 3 p.m.
📍 Diamond Bar Center, 1600 Grand Avenue
Make a difference and donate blood. When you donate from Oct. 20 to Nov. 16, you get a $10 e-gift card and a chance to win a $5,000 prize.
Wednesday, Oct 29 | 9 a.m. – 3 p.m.
📍 Diamond Bar Center, 1600 Grand Avenue
Make a difference and donate blood. When you donate from Oct. 20 to Nov. 16, you get a $10 e-gift card and a chance to win a $5,000 prize.
October 15, 2025 at 5:51 PM
🩸 Red Cross Blood Drive at the Diamond Bar Center
Wednesday, Oct 29 | 9 a.m. – 3 p.m.
📍 Diamond Bar Center, 1600 Grand Avenue
Make a difference and donate blood. When you donate from Oct. 20 to Nov. 16, you get a $10 e-gift card and a chance to win a $5,000 prize.
Wednesday, Oct 29 | 9 a.m. – 3 p.m.
📍 Diamond Bar Center, 1600 Grand Avenue
Make a difference and donate blood. When you donate from Oct. 20 to Nov. 16, you get a $10 e-gift card and a chance to win a $5,000 prize.
Get 20% back in rewards when you dine at ANY DB Restaurant from October 13-19 for Restaurant Week 🍽️
Whether you’re grabbing a quick bite or having a full meal, every purchase counts.
Whether you’re grabbing a quick bite or having a full meal, every purchase counts.
October 14, 2025 at 12:29 AM
Get 20% back in rewards when you dine at ANY DB Restaurant from October 13-19 for Restaurant Week 🍽️
Whether you’re grabbing a quick bite or having a full meal, every purchase counts.
Whether you’re grabbing a quick bite or having a full meal, every purchase counts.
Have you caught up on the Diamond Bar Weekly Highlights?
Here's what's happening in your city! https://www.diamondbarca.gov/CivicSend/ViewMessage/Message/272672
👉 Want more info for one of the highlights?
Comment, and we'll send you the link!
Here's what's happening in your city! https://www.diamondbarca.gov/CivicSend/ViewMessage/Message/272672
👉 Want more info for one of the highlights?
Comment, and we'll send you the link!
October 10, 2025 at 5:51 PM
Have you caught up on the Diamond Bar Weekly Highlights?
Here's what's happening in your city! https://www.diamondbarca.gov/CivicSend/ViewMessage/Message/272672
👉 Want more info for one of the highlights?
Comment, and we'll send you the link!
Here's what's happening in your city! https://www.diamondbarca.gov/CivicSend/ViewMessage/Message/272672
👉 Want more info for one of the highlights?
Comment, and we'll send you the link!