Old Town Flats

310 N Mason St, Fort Collins, 80524 · Larimer County

from $1,500 · 9704251836 · Property website

Old Town Flats offers studio, one- and two-bedroom apartments next to Martinez Park in Old Town Fort Collins. Units have in-unit laundry, plank flooring and balconies, and residents share a fitness center and clubhouse.

Floor plans and rent

1 bedroom · 593 to 691 sq ft: $1,500 to $1,575 (-3% vs Fort Collins median $1,545)

Miller · 1 bath691 sq ft1 available 2026-10-02$1,500
Magnolia II · 1.5 bath677 sq ft1 available 2026-08-13$1,525
Avery · 1 bath593 sq ft1 available 2026-12-05$1,575

2 bedroom · 856 sq ft: $1,899 (+4% vs Fort Collins median $1,828)

Canyon · 2 bath856 sq ft1 available 2026-09-23$1,899

Rates read 10/24/2026 from the property's own listing data · source. The property's own site is the truth; rates change.

Amenities

  • fitness center
  • clubhouse
  • lounge with pool table and coffee bar
  • community events
  • in-unit washer and dryer
  • private balconies
  • plank flooring
  • modern kitchens with stainless steel appliances
  • walk-in closets
  • central air conditioning
  • bike storage
  • controlled access entry
  • parking garage
  • storage
  • 24/7 maintenance
  • high speed internet
Pets
Pet-friendly with no breed restrictions or weight limits; $300 refundable pet deposit, $35/month pet rent, $25-$30/year pet screening.
Fees
Application $33 per applicant; holding fee $250; admin fee $250; security deposit from $1,000 up to 2x rent; required internet $65-$100/mo, trash $15-$38/mo, utility admin $10/mo plus usage-based gas, water/sewer and electric; parking $80-$
Parking
Reserved uncovered $80/month, reserved covered $100/month, reserved garage $130/month.
Laundry
GE washer and dryer in every unit.
Lease terms
Early termination fee of two months' rent.
Neighborhood
Next to Martinez Park in Old Town Fort Collins, near downtown shops and restaurants, trails, Lucky's Market, the Mason Street MAX transit line, and minutes from Colorado State University.

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