About Holy Trinity Catholic Church
Holy Trinity Catholic Church is a Catholic church in Los Angeles, California located at 3722 Boyce Ave, Los Angeles, CA 90039, United States. As of April 2026, Holy Trinity Catholic Church holds a 4.7-star rating across 92 Google reviews. The Holy Trinity Catholic Church parish office answers at +1 323-664-4723.
Holy Trinity is a smaller, neighborhood parish in Atwater Village, Los Angeles, California. The parish was established in 1925. Our church building seats about 350 people, and has retained many traditional styles that make Catholic churches distinctive and reflect our parishoner's intimate relationship with Jesus Christ and His Real Presence in the Blessed Sacrament."
When does Holy Trinity Catholic Church hold services?
Holy Trinity Catholic Church publishes the following weekly hours: Wednesday 6 am–6 pm, Thursday 6 am–6 pm, Friday 6 am–6 pm, Saturday 6 am–6 pm, Sunday 6 am–6 pm, Monday 6 am–6 pm, Tuesday 6 am–6 pm. All times are local to Los Angeles, CA.
- Wednesday
- 6 am–6 pm
- Thursday
- 6 am–6 pm
- Friday
- 6 am–6 pm
- Saturday
- 6 am–6 pm
- Sunday
- 6 am–6 pm
- Monday
- 6 am–6 pm
- Tuesday
- 6 am–6 pm
Where is Holy Trinity Catholic Church located?
Holy Trinity Catholic Church is located at 3722 Boyce Ave, Los Angeles, CA 90039, United States. The building sits at coordinates 34.12097, -118.26135, placing it in Los Angeles, CA 90039.
Location is approximate — drawn from the public street address.
- Public parking 666 ft
- Hail Mary Pizza · pizza 951 ft
- All'Acqua · italian 974 ft
Nearby places drawn from OpenStreetMap, Apr 23, 2026.
The neighborhood around Holy Trinity Catholic Church
The ZIP code 90039 area around Holy Trinity Catholic Church is home to 28,244 residents with a median household income of $108,338 and a median age of 41.4 years, according to the US Census Bureau's 2022 American Community Survey 5-year estimates.
US Census Bureau, American Community Survey 2022 five-year estimates.
What to expect at a service at Holy Trinity Catholic Church
Roman Catholic parishes follow a structured liturgy called the Mass, celebrated worldwide in the same order.
- Mass lasts about an hour and includes Scripture readings, a homily, hymns, and Holy Communion.
- Visitors are welcome. Only baptized Catholics in good standing receive Communion; others come forward with arms crossed for a blessing.
- Dress is modest but not formal — business casual is typical for Sunday Mass.
Generalized notes for first-time visitors. Individual parishes vary — when in doubt, ask a greeter at the door.
Your Sunday at Holy Trinity Catholic Church
Holy Trinity Catholic Church by the numbers
Questions and answers about Holy Trinity Catholic Church
- What denomination is Holy Trinity Catholic Church?
- This parish is part of the Catholic tradition.
- What are the service times at Holy Trinity Catholic Church?
- Published hours: Wednesday 6 am–6 pm, Thursday 6 am–6 pm, Friday 6 am–6 pm, Saturday 6 am–6 pm, Sunday 6 am–6 pm, Monday 6 am–6 pm, Tuesday 6 am–6 pm
- What is the phone number for Holy Trinity Catholic Church?
- You can reach the parish at +1 323-664-4723.
- Where is Holy Trinity Catholic Church located?
- The parish is located at 3722 Boyce Ave, Los Angeles, CA 90039, United States.
- How do visitors rate Holy Trinity Catholic Church?
- 4.7 out of 5 stars, based on 92 Google reviews.
Photographs of Holy Trinity Catholic Church
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Photographs via Wikimedia Commons. Click through for author and licence.
Visitor notes about Holy Trinity Catholic Church
Short, text-only reflections left by visitors. No ratings, no photographs — by editorial policy.
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