Restrictions may apply.
- Pet friendly
- On-site Parking
- 1–3 bed
Siena Flats Apartments
Your offers
3 offers$150 Cash Back
From Sunny · paid after move-in·
3% price drop
Was $1,575 · saves $50/mo
Rent discount
Advertised by property · ends Sep 30
Your first-month savings
Restrictions may apply
Complete your preferences to get a proper evaluation.
Set PreferencesProperty location
2010 Collyer Street, Longmont, CO 80501Featured Units
Pricing and availability
- 1 Bedroom
- 1 bed
- ·1 bath
- ·689 sqft
$1,350+ mo2Starting atUnits availableUnit 33
Avail 9/26/2026
12 months lease$1,400 moPrice dropped on 09/17- -3%
$1,360 moUnit 32
Available now
12 months lease$1,400 moPrice dropped on 09/17- -3%
$1,360 mo
Amenities
- On-site laundry
- Pet friendly
- Parking
- Air conditioning
- Smoke-free community
- Smoke-free units
Property details
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.
When each offer lands
At signing
Property special applied
Any move-in special the property is running comes off what you owe them, handled by the property at lease signing.
At move-in
Cash Back unlocked
Once your move-in is confirmed, your Sunny Cash Back offer becomes available in your account.
Within 90 days
Cash Back paid to you
Claim it through Venmo or a Visa Gift Card. Renters have 90 days from move-in to claim — no property approval needed.