Last updated January 5 2026 at 7:55 PM
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Siena Flats Apartments
- 3 units available
- 1 Bed • 2 Beds
- Location
- 2010 Collyer Street, Longmont CO 80501
- Amenities
- On-site laundry, Pet friendly, Parking, Air conditioning, Smoke-free community, Smoke-free units + more
- Price range
- $1,299 - $1,495 per month
- Commute
Rent Special
Ring In The New Year with $400 Off 1st Full Months Rent! --- *Receive $400 off your first full months rent. Special terms and conditions apply.*
Restrictions may apply
Price and Availability
Siena Flats Apartments apartments start at $1,299/month. There are 3 available apartments priced from $1,299 to $1,495. Prices were last verified by Siena Flats Apartments 2 hours ago.
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Unit 34
Avail. now
$1,299
Unit 30
Avail. Jan 17
$1,490
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Location
Amenities
On-site laundry
Pet friendly
Parking
Air conditioning
Smoke-free community
Smoke-free units
Unit Amenities
air conditioning
extra storage
smoke-free units
Property Amenities
on-site laundry
parking
e-payments
cats allowed
dogs allowed
accessible
pet friendly
online portal
smoke-free community
Siena Flats has so much to offer. Located within close proximity to Historic Downtown Longmont, hiking / biking trails, several golf courses, and several employment nodes, Siena Flats is conveniently located to everywhere you want to be.
Siena Flats is boutique-style community and offers updated interiors, onsite laundry facilities and assigned parking.
Siena Flats is boutique-style community and offers updated interiors, onsite laundry facilities and assigned parking.
Verified reviews
Property Details (Fees & Lease)
Must have 3x the rent in total household income (before taxes)
Pets allowed
Cats, dogs
deposit
300.00
rent
35.00
limit
2
restrictions
Breed and weight restrictions may apply. Please contact management for additional details.
Explore the Area
Save-A-Lot
0.4 mi
King Soopers
0.5 mi
Natural Grocers
0.5 mi
Carniceria Guanajuato
0.5 mi
Walmart Supercenter
0.7 mi
Thai Kitchen
0.2 mi
Taco Star
0.2 mi
Burger King
0.2 mi
Birrieria Doña Maria
0.2 mi
La Michoacana
0.2 mi
Main & 21st
0.3 mi
Main & 21st
0.3 mi
Main St & 17th Ave
0.4 mi
Main St & 6th Ave
1.7 mi
15151
2.2 mi
Longmont Vance Brand Municipal Airport
4.1 mi
Cartwheel Airport
4.5 mi
Pond's Field
5.3 mi
Frontier Airstrip
6.2 mi
Skylane Ranch Airport
6.4 mi
3 /10
Northridge Elementary School
PublicPK-5
377 Students
0.6 mi
4 /10
Alpine Elementary School
PublicPK-5
534 Students
0.6 mi
3 /10
Timberline Pk-8
PublicPK-8
988 Students
1.1 mi
3 /10
Mountain View Elementary School
PublicPK-4
345 Students
1.2 mi
3 /10
Sanborn Elementary School
PublicPK-5
426 Students
1.2 mi
Data provided by GreatSchools. Ratings are based on test scores and additional metrics when available.
Lanyon Park
0.1 mi
Rough and Ready Park
0.5 mi
Horseshoe Pit
0.5 mi
Horseshoe Pit
0.5 mi
Carr Park Outdoor Roller Rink
0.7 mi
Planet Fitness
0.4 mi
Burn & Tone
0.5 mi
Centennial Swimming Pool
1.2 mi
9 Round
1.2 mi
9Round
1.2 mi
Pet Dental Clinic
0.3 mi
Dog Park #1
1.0 mi
The Animal Hospital
1.0 mi
Family Pet Hospital
1.2 mi
Family Pet Hospital
1.2 mi
Getting Around
Walk & Transit Scores
Walk Score: 71 — Very Walkable, with shops and services easily within reach.Transit Score: 36 — Limited public transit service in the area.Public Transit Access
The area benefits from access to public transit options, such as 6 nearby routes: 6 bus, 0 rail, 0 otherNearby public transit stops include:
- Main & 21st (~0.32 mi)
- Main St & 17th Ave (~0.44 mi)
- Main St & 6th Ave (~1.74 mi)
- 15151 (~2.16 mi)
Legal details
Applicant has the right to provide Siena Flats Apartments with a Portable Tenant Screening Report (PTSR) that is not more than 30 days old, as defined in § 38-12-902(2.5), Colorado Revised Statutes; and 2) if Applicant provides Siena Flats Apartments with a PTSR, Siena Flats Apartments is prohibited from: a) charging Applicant a rental application fee; or b) charging Applicant a fee Siena Flats Apartments to access or use the PTSR.
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Frequently Asked Questions (FAQs)
Siena Flats Apartments has 3 units available starting at $1,299 per month. Check out the Price and Availability section for the most up-to-date unit information.
In Longmont, CO, the average rent is $1,752 for a studio, $1,755 for a 1-bedroom, $2,099 for a 2-bedroom, and $2,269 for a 3-bedroom. For more information on rental trends in Longmont, CO, check out our monthly Longmont, CO Rent Report.
Some of Siena Flats Apartments's amenities include on-site laundry, pet friendly, and parking. To see the other amenities this property offers, check out the Amenities section.
Siena Flats Apartments is offering the following rent specials: Ring In The New Year with $400 Off 1st Full Months Rent! --- *Receive $400 off your first full months rent. Special terms and conditions apply.*
Yes, Siena Flats Apartments is pet-friendly.
Yes, Siena Flats Apartments offers parking.
No, Siena Flats Apartments does not offer units with in unit laundry.
No, Siena Flats Apartments does not have a pool.
Yes, Siena Flats Apartments has accessible units.
No, Siena Flats Apartments does not have units with dishwashers.