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Apartments for Rent in Flagstaff, Boulder, CO

All rentals

1045 Gilbert St - Photo 1 of 1

5d+ ago

Flagstaff house for rent in Boulder

1045 Gilbert St, Boulder, CO 80302

In-unit laundry | Assigned parking | Storage

4 beds

2 baths

$5,550

The price shown reflects a 12-month lease. Fees may apply.
928 7th St - Photo 1 of 1

4d ago

Flagstaff house for rent in Boulder

3 beds

3 baths

$10,000

The price shown reflects a 12-month lease. Fees may apply.
860 Willowbrook Rd - Photo 1 of 1

5d+ ago

Flagstaff house for rent in Boulder

3 beds

2 baths

$5,295

The price shown reflects a 12-month lease. Fees may apply.
450 College Ave - Photo 1 of 1

5d+ ago

Flagstaff house for rent in Boulder

450 College Ave, Boulder, CO 80302

Furnished | Air conditioning | On-site laundry

4 beds

3.5 baths

$11,995

The price shown reflects a 12-month lease. Fees may apply.
1224 Jay St - Photo 1 of 1

5d+ ago

Flagstaff condo for rent in Boulder

1224 Jay St, Boulder, CO 80302

In-unit laundry | Hardwood floor | Dishwasher

2 beds

1 bath

$3,300

The price shown reflects a 12-month lease. Fees may apply.
1228 Jay St - Photo 1 of 1

5d+ ago

Flagstaff condo for rent in Boulder

1228 Jay St, Boulder, CO 80302

In-unit laundry | Air conditioning | Hardwood floor

2 beds

1 bath

$4,100

The price shown reflects a 12-month lease. Fees may apply.

Find rentals with popular amenities

Outdoor Space

Dishwasher

Air Conditioning

In-Unit Laundry

701 Arapahoe Ave - Photo 1 of 1

3d ago

8.6

Very good

701 Arapahoe Ave

701 Arapahoe Ave, Boulder, CO 80302

On-site laundry | Hardwood floor | Dishwasher

2 beds

1 bath

$1,500

The price shown reflects a 12-month lease. Fees may apply.
959 University Ave - Photo 1 of 1

2d ago

University Hill house for rent in Boulder

Perfect house for Students 3 Bed 2 Bath walking distance to campus

959 University Ave, Boulder, CO 80302

Central heat

3 beds

2 baths

$4,594

$4,394

Price drop

The price shown reflects a 12-month lease. Fees may apply.
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1200 College Ave #121 - Photo 1 of 1

5d+ ago

University Hill apartment for rent in Boulder

In-unit laundry | Dishwasher

3 beds

1.5 baths

$3,010

The price shown reflects a 12-month lease. Fees may apply.
1125 Grandview Ave #4 - Photo 1 of 1

5d+ ago

University Hill condo for rent in Boulder

In-unit laundry | On-site laundry | Balcony

1 bed

1 bath

$1,595

$1,325

Price drop

The price shown reflects a 12-month lease. Fees may apply.
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Nearby rental good for wellness

Nearby rental good for pet owners

1018 Marine St #3 - Photo 1 of 1

5d+ ago

University Hill condo for rent in Boulder

In-unit laundry | Balcony | Storage

1 bed

1 bath

$1,795

$1,425

Price drop

The price shown reflects a 12-month lease. Fees may apply.
1065 University Ave #108 - Photo 1 of 1

5d+ ago

University Hill townhouse for rent in Boulder

1065 University Ave #108, Boulder, CO 80302

On-site laundry | Assigned parking | Dishwasher

3 beds

1.5 baths

$3,700

$3,500

Price drop

The price shown reflects a 12-month lease. Fees may apply.
1544 9th St Unit A - Photo 1 of 1

5d+ ago

University Hill apartment for rent in Boulder

1544 9th St Unit A, Boulder, CO 80302

Furnished | Assigned parking | Hardwood floor

2 beds

1 bath

$3,400

The price shown reflects a 12-month lease. Fees may apply.
1145 Pennsylvania Ave - Photo 1 of 1

5d+ ago

University Hill condo for rent in Boulder

Balcony | Hardwood floor

Studio

1 bath

$1,495

$1,195

Price drop

The price shown reflects a 12-month lease. Fees may apply.
1061 12th St #209 - Photo 1 of 1

5d+ ago

University Hill apartment for rent in Boulder

Storage | Controlled access | Carpet

1 bed

0 baths

$895

$850

Price drop

The price shown reflects a 12-month lease. Fees may apply.
1061 12th St #207 - Photo 1 of 1

5d+ ago

University Hill apartment for rent in Boulder

Storage | Controlled access

1 bed

0 baths

$895

$850

Price drop

The price shown reflects a 12-month lease. Fees may apply.

Find sweet deals near Flagstaff

These rentals are 10%-30% cheaper than the local average price for similar rentals.

1061 12th St #203 - Photo 1 of 1

5d+ ago

University Hill apartment for rent in Boulder

Storage | Controlled access | Carpet

1 bed

0 baths

$895

$850

Price drop

The price shown reflects a 12-month lease. Fees may apply.
1065 University Ave #115 - Photo 1 of 1

5d+ ago

University Hill condo for rent in Boulder

3 beds

1.5 baths

$2,850

The price shown reflects a 12-month lease. Fees may apply.
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1633 4th St #C - Photo 1 of 1

5d+ ago

Lower Arapahoe house for rent in Boulder

1633 4th St #C, Boulder, CO 80302

Furnished | Air conditioning | On-site laundry

2 beds

2 baths

$4,895

The price shown reflects a 12-month lease. Fees may apply.
435 Arapahoe Ave - Photo 1 of 1

2d ago

Lower Arapahoe house for rent in Boulder

435 Arapahoe Ave, Boulder, CO 80302

In-unit laundry | On-site laundry | Balcony

3 beds

2.5 baths

$9,750

The price shown reflects a 12-month lease. Fees may apply.
College Place - Photo 1 of 1

2d ago

8.8

Very good

College Place

1105 11th St, Boulder, CO 80302

In-unit laundry | Dishwasher | Microwave

1 bed

1 bath

$1,345

Price drop

The price shown reflects a 12-month lease. Fees may apply.
891 Exchange - Photo 1 of 1
Rent special

1d ago

8.8

Very good

891 Exchange

891 12th St, Boulder, CO 80302

In-unit laundry | Air conditioning | Hardwood floor

1–3 beds

1–2 baths

$1,125–$2,995

The price shown reflects a 12-month lease and includes base rent plus all required monthly fees provided by the property.
1005 11th STREET - Photo 1 of 1

2d ago

7.7

Very good

1005 11th STREET

1005 11th St, Boulder, CO 80302

1 bed

1 bath

$900

The price shown reflects a 12-month lease and includes base rent plus all required monthly fees provided by the property.
1099 Marine - Photo 1 of 1

5d+ ago

8.9

Very good

1099 Marine

1099 Marine St, Boulder, CO 80302

On-site laundry

1 bed

1 bath

$1,575

The price shown reflects a 12-month lease. Fees may apply.
619 Marine St - Photo 1 of 1

2d ago

9

Excellent

619 Marine St

619 Marine Street, Boulder, CO 80302

4 beds

1 bath

$4,600

The price shown reflects a 12-month lease and includes base rent plus all required monthly fees provided by the property.
Showing 1 - 25 of 25 results
Home > Apartments in Boulder > Flagstaff Apartments For Rent
Updated: September 13, 2026

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Flagstaff, Boulder, CO apartments for rent

Renting in Flagstaff, Boulder, CO at a glance

As of today, Flagstaff's median rent price is $2,050 per month.

Median rent

$2,050

Rentals, last 30 days

29

Rent by unit type
SizeValueYoY
All bedrooms$2,050N/A
1 bedroom$1,525N/A
2 bedroom$2,750N/A
Not sure what you can afford? Try our rent calculator

Why Flagstaff, Boulder is a great place to live

Flagstaff is a top choice for renters prioritizing social living. With a high walk score and well-developed street infrastructure, residents can easily get around the neighborhood on foot. Frequent transit options and a diverse age distribution add to the area's social appeal, making it simple to connect with others. Plus, a strong safety record provides peace of mind for those looking to get out and about. Overall, Flagstaff offers an ideal blend of convenience, community, and security, making it an attractive option for those seeking an active social lifestyle.

Frequently asked questions

What is the average apartment size in Flagstaff, Boulder, CO?

Based on our current listings, apartments in Flagstaff average around 1,006 sqft across all unit types.

What type of apartment is most common in Flagstaff, Boulder, CO?

Based on Zumper's current listings, two-bedroom and three-bedroom apartments are equally common in Flagstaff, with about 2 listings each per month.

What type of apartment is least common inFlagstaff, Boulder, CO?

One-bedroom apartments and studios have averaged about 0 listings per month in Flagstaff.

Methodology: How we got this data

Zumper’s proprietary rental data fuels our analysis. Rent and market trends, availability, neighborhood popularity, and lifestyle scores are all calculated using real-time and 2026 rental inventory and prices.

Our Lifestyle Categories ("great for eco-living," "great for social life," "great for pet owners," etc.) are determined by set criteria, against which we score each listing and its available features. At the neighborhood level, we calculate the listing count for each category to determine which lifestyles best fit each area.

Zumper, founded in 2012, is North America’s largest privately-owned rental platform, offering over 1 million listings across the U.S. and Canada. Stay informed on the latest trends and shifts in the rental market with our monthly National Rent Report, your go-to resource for key insights into the evolving rental landscape.

Looking for apartments in Flagstaff, Boulder, CO near you?

Flagstaff, Boulder, CO rental availability
🔑Available apartment rentals25
💰Best rent deal1061 12th St #203
Popular amenities, ,
🧦In-unit laundry
🍽With dishwasher
🏠With photos