303 Self Storage
6800 S Holly Cir, Centennial, CO 80112303 Self Storage says on its own website, smartstopselfstorage.com, that it offers climate-controlled units. We last checked on Oct 25, 2026.
What their website says
"Contact us today at (720) 806-1065 to learn more about our drive-up storage units, climate-control storage units, rental storage options, and storage unit prices near you. Located conveniently just west of Interstate 25 at E Arapahoe Rd and S Holly St on S Holly Circle, 303 Self Storage offers drive-up storage, climate control storage units and uncovered vehicle parking to provide you with the type of storage to fit you needs."
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Climate features
- Gated entry
- Video cameras
- Drive-up units
- Vehicle and RV parking
- Rent online
- Packing supplies
From smartstopselfstorage.com. Ask the facility which features apply to the unit you rent.
Local weather
- Average July high near this facility: 87°F. January low: 19°F. July dew point: 48°F. (NOAA, 1991-2020 normals from a station 4.5 mi away)
How it compares
- 2 of 5 verified climate-controlled facilities in ZIP 80112, ranked by number of Google reviews.
- We read the websites of 8 storage facilities in Centennial. 6 of them (75%) say they offer climate-controlled units.
- Rated 4.8 on Google, the same as the Centennial median of 4.8 across 5 rated facilities.
Based on the facilities we've verified. Comparisons need at least 3 facilities.
Office hours
As listed on Google. Gate access hours can be different, so confirm with the facility.
| Monday | 6 AM to 10 PM |
|---|---|
| Tuesday | 6 AM to 10 PM |
| Wednesday | 6 AM to 10 PM |
| Thursday | 6 AM to 10 PM |
| Friday | 6 AM to 10 PM |
| Saturday | 6 AM to 10 PM |
| Sunday | 6 AM to 10 PM |
What to ask this facility
Do the climate-controlled units control humidity, or only temperature?
smartstopselfstorage.com talks about climate control but doesn't mention humidity.
What temperature range do the units stay in, summer and winter?
smartstopselfstorage.com doesn't list one. Near here, July highs average 87°F and January lows 19°F.
What sizes of climate-controlled units do you have, and what do they cost?
We didn't find climate-controlled sizes or prices on smartstopselfstorage.com.
What are the gate access hours, and are they different from office hours?
Office hours on Google: Every day, 6 AM to 10 PM. smartstopselfstorage.com doesn't mention 24-hour access.
Also verified nearby
- CubeSmart Self Storage 5353 E County Line Rd, Littleton, CO 80122 Climate units from $25.80/mo
- Public Storage 4111 Siskin Ave, Highlands Ranch, CO 80126 Climate units from $63/mo
- Greenbox Self Storage 8115 S Chester St, Centennial, CO 80112