Verified climate-controlled

303 Self Storage

3270 Blake St, Denver, CO 80205
992 Google reviews

303 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

"We offer a wide selection of indoor and climate controlled-storage storage units at our facility at 3270 Blake St. For the best protection for your sensitive belongings in Downtown Denver, rent one of 303 Self Storage's climate-controlled storage units."

Source: smartstopselfstorage.com

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Climate features

  • Mentions humidity
  • Elevator
  • Gated entry
  • Video cameras
  • Vehicle and RV parking
  • Rent online
  • Packing supplies

From their site: "We offer a wide variety of self storage unit types and sizes, including climate-controlled storage units to protect your items from changes in heat and humidity."

From smartstopselfstorage.com. Ask the facility which features apply to the unit you rent.

Local weather

  • Average July high near this facility: 91°F. January low: 21°F. (NOAA, 1991-2020 normals from a station 3 mi away)

How it compares

  • 1 of 2 verified climate-controlled facilities in ZIP 80205, ranked by number of Google reviews.
  • 1 of 31 verified climate-controlled facilities in Denver, ranked the same way.
  • We read the websites of 50 storage facilities in Denver. 37 of them (74%) say they offer climate-controlled units.
  • Rated 4.8 on Google, 0.2 above the Denver median of 4.6 across 31 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.

Hours by day
Monday6 AM to 10 PM
Tuesday6 AM to 10 PM
Wednesday6 AM to 10 PM
Thursday6 AM to 10 PM
Friday6 AM to 10 PM
Saturday6 AM to 10 PM
Sunday6 AM to 10 PM

What to ask this facility

  1. Is humidity actually controlled, and to what level?

    smartstopselfstorage.com mentions humidity but doesn't say the units control it.

  2. What temperature range do the units stay in, summer and winter?

    smartstopselfstorage.com doesn't list one. Near here, July highs average 91°F and January lows 21°F.

  3. 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.

  4. 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.

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