Siena Flats Apartments

Request Notification

Siena Flats

2010 Collyer St
Longmont, CO 80501

Studio–3 Bedrooms
420–890 Square Feet

About Siena Flats

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 located in the 80501 Zip code of Longmont, CO.

Property Contact Info

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Office Hours

Monday	9:00 am–5:00 pm
Tuesday	9:00 am–5:00 pm
Wednesday	9:00 am–5:00 pm
Thursday	9:00 am–5:00 pm
Friday	9:00 am–5:00 pm
Saturday	10:00 am–3:00 pm
Sunday	10:00 am–3:00 pm

Floorplan Pricing and Availability

Studio
1 Bedrooms
2 Bedrooms
3 Bedrooms

Studio
Studio
Studio, 1 Bath, 420 sq ft
Availability Details
Availability Date Unit Sq Ft Deposit
Unavailable Studio 420 sq ft $1,000
Model Amenities and Features
Features
Air Conditioning
Balcony
Kitchen
Dishwasher
Refrigerator
Unique Features
Renovated interiors
1 Bedroom
1 Bedroom
1 Bed, 1 Bath, 660-748 sq ft
Available Now
Model Gallery
Floorplans
Availability Details
Availability Date Unit Sq Ft Deposit Property Map View Details
Available Now M-32 689 $1,000 View Details Below
September 19, 2026 M-33 689 $1,000 View Details Below
Model Amenities and Features
Features
Air Conditioning
Balcony
Kitchen
Dishwasher
Refrigerator
Unique Features
Renovated interiors
Unit M-32 Gallery
Property Map
Unit M-32 Amenities and Features
Features
Air Conditioning
Balcony
Kitchen
Dishwasher
Refrigerator
Unique Features
Renovated interiors
Unit M-33 Gallery
Property Map
Unit M-33 Amenities and Features
Features
Air Conditioning
Balcony
Kitchen
Dishwasher
Refrigerator
Unique Features
Renovated interiors
Apartment Model: 1 Bedroom1 Bedroom, 1 Bath, 660-748 sq ftAvailable Now
Floor plans are artist's rendering. All dimensions are approximate. Actual product and specifications may vary in dimension or detail. Not all features are available in every rental home. Please see a representative for details.
1 Bedroom - Floorplan 1
Floor plans are artist's rendering. All dimensions are approximate. Actual product and specifications may vary in dimension or detail. Not all features are available in every rental home. Please see a representative for details.
1 Bedroom - Floorplan 2
Floor plans are artist's rendering. All dimensions are approximate. Actual product and specifications may vary in dimension or detail. Not all features are available in every rental home. Please see a representative for details.
1 Bedroom - Floorplan 3
Apartment Unit: M-32Apartment Model: 1 Bedroom1 Bedroom, 1 Bath, 689 sq ftAvailable Now
Apartment Unit: M-33Apartment Model: 1 Bedroom1 Bedroom, 1 Bath, 689 sq ftAvailable September 19, 2026
2 Bedrooms
2 Bedroom
2 Beds, 1 Bath, 750-793 sq ft
Available Now
Model Gallery
Floorplans
Availability Details
Availability Date Unit Sq Ft Deposit Property Map View Details
Available Now C-33 793 $1,000 View Details Below
Available Now C-35 793 $1,000 View Details Below
Model Amenities and Features
Features
Air Conditioning
Balcony
Cable Ready
Heating
Kitchen
Dishwasher
Disposal
Eat-in Kitchen
Kitchen
Oven
Range
Refrigerator
Unique Features
Renovated interiors
Unit C-33 Gallery
Property Map
Unit C-33 Amenities and Features
Features
Air Conditioning
Balcony
Cable Ready
Heating
Kitchen
Dishwasher
Disposal
Eat-in Kitchen
Kitchen
Oven
Range
Refrigerator
Unique Features
Renovated interiors
Unit C-35 Gallery
Property Map
Unit C-35 Amenities and Features
Features
Air Conditioning
Balcony
Cable Ready
Heating
Kitchen
Dishwasher
Disposal
Eat-in Kitchen
Kitchen
Oven
Range
Refrigerator
Unique Features
Renovated interiors
Apartment Model: 2 Bedroom2 Bedroom, 1 Bath, 750-793 sq ftAvailable Now
Floor plans are artist's rendering. All dimensions are approximate. Actual product and specifications may vary in dimension or detail. Not all features are available in every rental home. Please see a representative for details.
2 Bedroom - Floorplan
Apartment Unit: C-33Apartment Model: 2 Bedroom2 Bedroom, 1 Bath, 793 sq ftAvailable Now
Apartment Unit: C-35Apartment Model: 2 Bedroom2 Bedroom, 1 Bath, 793 sq ftAvailable Now
3 Bedrooms
3 Bedroom
3 Beds, 1.5 Baths, 826-890 sq ft
Available Sep 18
Model Gallery
Floorplans
Availability Details
Availability Date Unit Sq Ft Deposit Property Map
September 18, 2026 M-11 890 $1,000
Unit M-11 Gallery
Property Map
Unit M-11 Amenities and Features
Features
Air Conditioning
Balcony
Cable Ready
Kitchen
Dishwasher
Disposal
Eat-in Kitchen
Kitchen
Oven
Range
Refrigerator
Unique Features
Renovated interiors
Apartment Model: 3 Bedroom3 Bedroom, 1.5 Bath, 826-890 sq ftAvailable September 18, 2026
Floor plans are artist's rendering. All dimensions are approximate. Actual product and specifications may vary in dimension or detail. Not all features are available in every rental home. Please see a representative for details.
3 Bedroom - Floorplan
Apartment Unit: M-11Apartment Model: 3 Bedroom3 Bedroom, 1.5 Bath, 890 sq ftAvailable September 18, 2026

Availability Date	Unit	Sq Ft	Deposit
Unavailable	Studio	420 sq ft	$1,000

Availability Date	Unit	Sq Ft	Deposit	Property Map	View Details
Available Now	M-32	689	$1,000		View Details Below
September 19, 2026	M-33	689	$1,000		View Details Below

Availability Date	Unit	Sq Ft	Deposit	Property Map	View Details
Available Now	C-33	793	$1,000		View Details Below
Available Now	C-35	793	$1,000		View Details Below

Availability Date	Unit	Sq Ft	Deposit	Property Map
September 18, 2026	M-11	890	$1,000

Price shown is total price based on community-supplied monthly required fees. Excludes user-selected optional fees and variable or usage-based fees and required charges due at or prior to move-in or at move-out. View Fees and Policies for details. Price, availability, fees, and any applicable rent special are subject to change without notice.

Property Information

33 Units
3 Stories
Built in 1973

Lease Terms

8, 9, 10, 11, 12, 18 mo

Fees and Policies

The fees listed below are community-provided and may exclude utilities or add-ons. All payments are made directly to the property and are non-refundable unless otherwise specified.

Required Fees

One-Time Basics

Due at Application: Application Fee Per ApplicantiCharged per applicant.$40.00
Due at Move-In: Administrative FeeiCharged per unit.$0.00

Pet Policy and Fees

Cats

2 Pet Limit
Spayed/Neutered

Restrictions:

Breed and weight restrictions may apply. Please contact management for additional details.

Comments: A maximum of 2 pets is allowed per apartment home. This includes both cats and dogs.

Dogs

2 Pet Limit
80 Lb Weight Limit
Spayed/Neutered

Restrictions:

Breed and weight restrictions may apply. Please contact management for additional details.

Comments: A maximum of 2 pets is allowed per apartment home. This includes both cats and dogs.(Combined weight limit for dogs cannot exceed 80 lbs).

Parking Info and Fees

Surface Lot

1 Max

Storage

Storage Unit

Property Fee Disclaimer: Based on community-supplied data and independent market research. Subject to change without notice. May exclude fees for mandatory or optional services and usage-based utilities.

Features and Amenities

Unique Amenities

Renovated interiors

Getting Around

50 / 100 Fairly walkable
Some day-to-day needs are within walking distance
30 / 100 Limited public transit
Transit is available for some trips
70 / 100 Moderately bikeable
Suitable for bicycle commuting and/or recreation
80 / 100 Very car friendly
Excellent access to freeways and/or major arteries, with a very low chance of parking problems

Scores provided by

details

Getting to Know the Area

70 / 100 Restaurants
Variety of restaurants within a few minutes
50 / 100 Cafes
Some cafés within a few minutes
30 / 100 Nightlife
Some bars within walking distance
60 / 100 Shopping
Several shops within a few minutes
90 / 100 Noise Level
Virtually no sources of noise nearby

Scores provided by

About Portable Tenant Screening Reports:

Applicant has the right to provide the property manager or owner 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 the property manager or owner with a PTSR, the property manager or owner is prohibited from: a) charging Applicant a rental application fee; or b) charging Applicant a fee for the property manager or owner to access or use the PTSR.

Nearby Schools

Timberline Pk-8

St Vrain Valley Re 1j School District

233 East Mountain View Avenue

Public School - Grades PK-8 (762 Students)

In Attendance Zone3 minute drive / 1.1 miles away

Skyline High School

St Vrain Valley Re 1j School District

600 EAST MOUNTAIN VIEW

Public School - Grades 9-12 (1082 Students)

In Attendance Zone3 minute drive / 1.2 miles away

School data provided by GreatSchools.

Points of Interest

Time and distance from Siena Flats.

Big Box and Retail

Walgreens

1041 Main St

2 minute drive / 0.9 miles away

Walmart

2514 Main St

3 minute drive / 1.04 miles away

Lowe's

355 Ken Pratt Blvd

5 minute drive / 2.74 miles away

Colleges and Universities

Front Range Community College - Boulder County Campus

2121 Miler Drive

8 minute drive / 3.83 miles away

Hospitals

Longmont United Hospital

1950 Mountain View Ave

4 minute drive / 1.52 miles away

Siena Flats has 5 shopping centers within 0.4 miles.

Rental Price Ranges in the Area

Bedroom	Average Rent	Cheapest Rent	Highest Rent
Longmont Studio Apartments	$1,488	$1,155	$1,963
Longmont 1 Bedroom Apartments	$1,825	$1,195	$2,661
Longmont 2 Bedroom Apartments	$2,171	$1,025	$3,286
Longmont 3 Bedroom Apartments	$2,531	$1,499	$3,777
Longmont 4 Bedroom Apartments	$3,080	$2,480	$3,621
2 Bedroom Homes	$1,987	$1,350	$3,000
3 Bedroom Homes	$2,634	$1,900	$3,895
4 Bedroom Homes	$3,121	$1,975	$3,950
5 Bedroom Homes	$4,243	$3,220	$6,495