Los Angeles neighborhood guide
Diamond Bar
Vertical tick marks the LA neighborhood median.
Rent in Diamond Bar
Rent control: Diamond Barhas no local rent-stabilization ordinance we track, so California's statewide cap (AB 1482) is the main protection. It limits annual increases on most buildings at least 15 years old, with exemptions. Verify a building's status before signing.
General information, not legal advice.
How Diamond Bar scores for you
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Diamond Bar is a quiet residential city in the San Gabriel Valley, about 30 miles east of downtown Los Angeles. Named after a historic ranch branding iron, it has grown into a suburban community of roughly 55,000 residents known for its low-density neighborhoods and family-oriented character. The city is home to a public Los Angeles County golf course and a mix of local parks that anchor its leisure landscape.
Living here means embracing a car-dependent lifestyle. Public transit is minimal, and most errands and activities require a vehicle. The area sits in a high-traffic corridor, so commuting during peak hours can be slow. Air quality is below the California median for diesel particulate exposure, a consideration for those sensitive to air pollution or planning frequent outdoor activities.
Living here
Day-to-day life in Diamond Bar revolves around driving. Shopping, dining, and recreation all rely on a car. The city has about six restaurants within a short walk on average, along with a few coffee shops and groceries, but these are scattered across a car-oriented landscape. Parks like Summitridge Park, Heritage Park, and Carlton J. Peterson Park provide green space, and gyms like Planet Fitness and LA Fitness serve fitness needs, but again, you will need to drive to reach them.
The upside is predictability and calm. Residential streets are quiet and low-density compared to the regional average. If you work in the San Gabriel Valley or inland empire, commuting may be more manageable than relocating closer to central Los Angeles. However, if your job is west of Diamond Bar or if you prefer walkable neighborhoods with robust transit, this city will feel isolating.
Who it's for
Diamond Bar suits drivers with jobs in the valley, families prioritizing space and quiet over walkability, and people who do not mind a car-dependent lifestyle. It is less suitable for those without reliable transportation, renters seeking vibrant street life or proximity to transit, or anyone uncomfortable with above-regional traffic exposure and below-median air quality.
Environment & livability
Air quality: moderate diesel PM exposure for California.
Above the state median, linked to mild long-term respiratory risk in some studies. Worth considering for sensitive households.
Traffic exposure: high traffic corridor exposure.
This area is near major traffic corridors, linked to higher noise levels, diesel PM, and reduced street-level comfort.
Tree cover: limited tree cover, mostly open streetscape.
Less canopy means more heat exposure and less visual greenery on daily walks. LA County median is around 14% canopy coverage.
Walkability: most errands require a car or transit.
Lower intersection density and fewer destinations within walking distance, typical of suburban LA/OC areas.
Transit: minimal transit access, car strongly recommended.
Very infrequent or no meaningful transit nearby. Car dependency is high in this area.
Environmental data from CalEnviroScreen 4.0 and the EPA Smart Location Database. Informational only, not professional advice for a housing decision.
Who lives in Diamond Bar
Population
41,078
Renters
23%
of households rent
Median age
45
Median income
$110k
per household
Census ACS 5-year estimates.
Schools in Diamond Bar
9 public schools sit inside this area · 9 with published results. Figures are the share of students who met or exceeded state standards.
| School | Grades | English | Math |
|---|---|---|---|
| Castle Rock Elementary Elementary | K-5 | 71% | 71% |
| Evergreen Elementary Elementary | K-5 | 72% | 72% |
| Golden Springs Elementary Elementary | K-6 | 60% | 38% |
| Maple Hill Elementary Elementary | K-5 | 83% | 83% |
| Pantera Elementary Elementary | K-6 | 81% | 74% |
| Quail Summit Elementary Elementary | K-5 | 77% | 82% |
| Chaparral Middle Intermediate/Middle/Junior High | 6-8 | 83% | 80% |
| Lorbeer Middle Intermediate/Middle/Junior High | 7-8 | 47% | 31% |
| South Pointe Middle Intermediate/Middle/Junior High | 6-8 | 80% | 79% |
Source: California Dept. of Education (directory) and CAASPP Smarter Balanced, 2025. We publish these figures as the state reports them and show the same table for every neighborhood. Saktoo does not rate schools, and school data is never part of a neighborhood match score. Attendance boundaries change — confirm the assigned school with the district before relying on it.
Around Diamond Bar
Albertsons · Diamond Fresh Farmers Market · H Mart · Hannam Market World
It's a Grind · Julie's Cafe · Lollicup · Starbucks
Aashiana · Basil and Co. · BBQ Stop AYCE · Boulevard 574
Carlton J. Peterson Park · Diamond Bar Pony Baseball Fields · Diamond Canyon Park · Heritage Park
Club Pilates · Crunch Fitness · LA Fitness · Planet Fitness
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Next to Diamond Bar
What the census says about Diamond Bar
Facts about the neighborhood from the American Community Survey. These describe Diamond Bar; none of them feed the scores above.
- Typical commute
- 37 min
- one way, residents who work
- Settled households
- 77%
- moved in before 2018
- Housing built
- ~1978
- average year of construction
- Above 1 per room
- 4%
- a measure of housing pressure
- Vacant units
- 4%
- of all housing units
- Broadband
- 95%
- of households subscribe
- Detached houses
- 73%
- the rest are attached or apartments
- Typical size
- 3 bed
- median across all homes here
- Homes here
- 21,786
- total housing units
Averaged across 31 areas of about a kilometre each. ACS 5-year estimates.
Diamond Bar in the regional index
How Diamond Bar places when every neighborhood in LA and Orange County is scored the same way.
- Where police report the fewest incidents
Ranks #8 of 254 neighborhoods on this weighting.
- Where growing up led to higher adult earnings
Ranks #24 of 263 neighborhoods on this weighting.
Finding a place in Diamond Bar
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Frequently asked questions
Do I need a car in Diamond Bar?+
Yes, strongly. Most errands require a car or transit, and public transit access is minimal. Unless your work, school, and shopping are all within walking distance of your home, you will need a vehicle for daily life.
How is the air quality?+
Air quality ranks 81st out of 318 comparable areas, below the California median for diesel PM exposure. If you are sensitive to air pollution or prioritize outdoor air quality, Rowland Heights and other parts of the valley may be cleaner options.
What is the traffic like?+
Diamond Bar ranks 261st out of 317 areas for traffic, meaning it experiences high traffic corridor exposure. Morning and evening commutes, especially westbound, can be slow during peak hours.
Are there restaurants and shops nearby?+
There are about six restaurants and a few coffee shops and groceries within a short walk on average. Common chains like Sprouts Farmers Market, Walmart Neighborhood Market, and restaurants such as Round Table Pizza and Jade House are present, but you will need to drive to reach most of them.
Is Diamond Bar walkable?+
Diamond Bar ranks #291 of 346 LA neighborhoods for walkability. In practice, most errands require a car or transit.
What is the average rent in Diamond Bar?+
Current residents of Diamond Bar pay a median rent of about $2,500 per month (Census ACS). Asking rents for new leases typically run higher.
How is the air quality in Diamond Bar?+
Diamond Bar has moderate diesel PM exposure for California, based on CalEnviroScreen 4.0 diesel particulate data (percentile 52 of 100, lower is cleaner).
Which LA neighborhoods are similar to Diamond Bar?+
Based on walkability, rent levels, amenities, and environment, the most similar neighborhoods to Diamond Bar are La Cañada Flintridge, Hollywood Hills West, Laguna Woods and San Juan Capistrano.