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Extra Space Storage - 999 East Mission Road, San Marcos, CA

Self Storage, Car Storage, RV Storage 25 - 700 Sq. Ft.
4.8/5 - 346 Reviews
Location:
999 East Mission Road, San Marcos, CA 92069
All units
Small
Medium
Large
Parking
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Units Availability
Small Storage Unit
15x5
Self Storage
75 Sq. Ft.
$152/mo
Small Storage Unit
10x5
Self Storage
50 Sq. Ft.
$136/mo
Small Storage Unit
5x15
Self Storage
75 Sq. Ft.
$152/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
$136/mo
Small Storage Unit
5x5
Self Storage
25 Sq. Ft.
$90/mo
Medium Storage Unit
20x5
Self Storage
100 Sq. Ft.
$193/mo
Medium Storage Unit
15x10
Self Storage
150 Sq. Ft.
$246 - $303/mo
Medium Storage Unit
14x14
Self Storage
196 Sq. Ft.
$304/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
$246 - $303/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
$193 - $245/mo
Medium Storage Unit
5x25
Self Storage
125 Sq. Ft.
$221/mo
Large Storage Unit
35x20
Self Storage
700 Sq. Ft.
$839/mo
Large Storage Unit
30x20
Self Storage
600 Sq. Ft.
$733/mo
Large Storage Unit
25x20
Self Storage
500 Sq. Ft.
$624/mo
Large Storage Unit
20x30
Self Storage
600 Sq. Ft.
$733/mo
Large Storage Unit
20x20
Self Storage
400 Sq. Ft.
$493 - $540/mo
Large Storage Unit
15x20
Parking
300 Sq. Ft.
Drive-up Access
Parking
RV Storage
$442/mo
Large Storage Unit
15x15
Self Storage
225 Sq. Ft.
$377/mo
Large Storage Unit
10x30
Parking
300 Sq. Ft.
Drive-up Access
Parking
RV Storage
$442/mo
Large Storage Unit
10x25
Parking
250 Sq. Ft.
Parking
RV Storage
$353 - $400/mo
Large Storage Unit
10x20
Parking
200 Sq. Ft.
Car Storage
Parking
$311 - $353/mo

Amenities

  • Indoor
  • Drive-Up Access
  • Retail Available
  • Onsite Manager
  • Contactless Renting
  • Security Camera
  • Gate
  • Parking
  • Credit Cards Accepted
  • Multi-Level Storage
  • Online Payment
  • RV Storage

What customers are saying

4.8/5 - 346 Reviews

Read some helpful reviews of Extra Space Storage at 999 East Mission Road, shared by real renters with genuine experiences and honest opinions.

This is not a safe property. They had a break-in on August 25, 2025 from 4AM-6AM. I bought this unit in May 2025. There was a worker who lived on premises and told me someone else would be moving in after. This led my husband and I to believe this property was secure. No one has lived on site since the former worker moved at the end of May. She also told us there was security, but failed to inform me that security stops working at 6PM. This means there was no security or anyone watching the cameras overnight. If we had been told truthful information, we would not have stored anything at Extra Space Storage. We were misled and it led to our unit being robbed, along with 4-5 other units. I would like to update to state that Ana (district manager) will refund the 3 unfortunate months we stayed at Extra Space. While on the phone with Helena, a team leader, I mentioned how I fault their staff Sammy, who misled us upon enrolling, Ana, and anyone who works for Extra Space (including Helena). She responds with, “I just got this. Thank you. Thank you for throwing me in there. “ in a very sarcastic tone. I reminded her that while she is being paid, I was robbed due to their lack of security. Don’t accept the term “lead,” if you can’t do so without speaking professionally. Another update: I spoke to the Detective on this case on 9/3. The detective from San Marcos Sheriff’s Department says this location has been targeted MULTIPLE TIMES this year. Helena claims they don’t have any reports of this from Sammy. Save your time, money, and stress. Avoid this place. ... Read more
Bianca C. - 3 September 2025
Extra Space Storage has exceeded my expectations in customer service! I had a poor experience with a previous storage place. Out of bitterness checked to see if there was something more affordable with safety and cleanliness in mind. We found it!! This place is worth the move!! Centrally located in San Marcos and recently under new ownership we called the 877 number on line got Anthony. He was a fast talker (my favorite) and explained everything. However there were a few things I had questions about that were specific to the location. Anthony gave me the direct number to the San Marcos storage manager on site. Francis, the on site Manager answered on the first ring! She is beyond knowledgeable with the ability to get us in with full transparency. Done and done! In a world going digital it's crazy to think that my experience with the customer care at Extra Space Storage has made my day.. :) Moving from my previous place this is saving me about 250$ a month for the same size unit with a 4 month pre pay start up. Thank you! ... Read more
Amy C. - 31 August 2025
I spoke with an excellent customer service member by the name of Anthony who was more than willing to assist me in setting up my new storage unit. He was kind, friendly and very helpful in my quest to reserve a storage unit here. I had some extra questions regarding my own personal situation and he referred me to the site manager, Francis. Francis took almost an hour of her time listening and working out our issues that had resulted from the prior owners. I cannot stress enough how much of a breath of fresh air it is to speak to someone so empathetic, human and caring. Her one on one customer service experience set a bar that I am unsure anyone else can meet. Shout out to the manager Francis at Extra Space Storage for being transparent throughout the whole process and taking such good care of us as customers. I would suggest this business to anyone looking for a storage unit in north county, specifically San Marcos. ... Read more
Drew P. - 31 August 2025
Do not go here! As soon as you get everything moved in they will raise the prices. Stay away!!! My unit went up a $100 a month after I was moved in . Now it is taking forever to go through it and get rid of everything I own. ... Read more
Vickie S. - 22 August 2025
Many thanks to Extra Space Storage for the excellent service and taking care of my family's needs since we moved to Cali. Really appreciate Italo's sincere and professional customer service. You're in good hands here!!! ... Read more
Leo - 25 July 2025
Italo is very PROFFESSIONAL and courteous and went above and beyond to ensure I left with the best possible outcome for my situation, and he did all that in a timely manner. He is proficient and efficient and will definitely be sending my family to see him. Thank you! ... Read more
Miguel G. - 17 July 2025
Anthony C. - 10 April 2025
TO : EXTRA SPACE STORAGE I would like to take a moment to extend my heartfelt gratitude for the outstanding service you’ve provided over the past 30 years. Your dedication, reliability, and professionalism have been truly exceptional, and I deeply appreciate the peace of mind knowing my belongings have been in good hands all these years. Sincerely Richard ... Read more
Richard - 8 April 2025
olivia b. - 29 March 2025
Honestly, the customer service has been AMAZING! We booked for a date way before we needed it because we wanted to benefit from an offer they had. But they honored the discounted price when we asked to push the start date. They kept calling to check if we need anything and we asked to modify the date twice and they happily did so. We also just got the unit, everything looks clean and easily accessible. ... Read more
Nabiha M. - 21 January 2025
Mike at the office was amazing!! We came in 15 minutes before close after calling to let him know we were on the way and he was more than happy to help make sure we were able to get moved into our unit. He also happily answered all of our questions. Our unit was clean and easy to access, while also feeling very secure. ... Read more
Saliah R. - 30 September 2024
So far this place has been one of the few that actually has units available at the very last minute and found a unit with first months rent free thankfully. The guy on the phone was very helpful. In the office, Sammy could not of had better customer service and was super quick! So far so good! ... Read more
Guess W. - 16 September 2023

Nearby Storage Units

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A Storage Place - 2421 Barham Drive, Escondido, CA

SELF STORAGE, CAR STORAGE, RV STORAGE
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Prime Storage (CA12) - 1510 East Mission Road, San Marcos, CA

SELF STORAGE, CAR STORAGE, RV STORAGE
0.79 miles away
$66 - $455

Orbit U - Store - 437 West San Marcos Blvd, San Marcos, CA

SELF STORAGE, CAR STORAGE, RV STORAGE
1.97 miles away
$47 - $1100

Greens Storage - 25260 North Centre City Pkwy, Escondido, CA

SELF STORAGE, CAR STORAGE, RV STORAGE
2.7 miles away

Storage units in nearby cities

Here is how San Marcos, CA, compares to other nearby cities. Overall, there are many other great self storage opportunities in the area. Carlsbad, CA, is just 7 miles away and has 5 storage facilities. Monthly rents there start at $42. However, you could also drive to Escondido, CA, which is 8 miles away and which also offers storage units for as little as $42. Encinitas, CA is also just 8 miles distant. Listings there show no less than 5 facilities, with unit prices starting from $48. Looking a bit further away, storage facilities in Oceanside, CA, and Fallbrook, CA, have multiple types of units available, with monthly costs starting at $28 and $41, respectively.

Storage units in Carlsbad, CA Within a 7-mile radius
5 Facilities
From $42/mo
Storage units in Escondido, CA Within a 8-mile radius
12 Facilities
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Storage units in Encinitas, CA Within a 8-mile radius
5 Facilities
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Storage units in Oceanside, CA Within a 13-mile radius
13 Facilities
From $28/mo
Storage units in Fallbrook, CA Within a 17-mile radius
3 Facilities
From $41/mo
Storage units in Ramona, CA Within a 20-mile radius
3 Facilities
From $45/mo
Storage units in Lakeside, CA Within a 24-mile radius
6 Facilities
From $15/mo
Storage units in Temecula, CA Within a 26-mile radius
11 Facilities
From $39/mo
Storage units in La Mesa, CA Within a 28-mile radius
3 Facilities
From $44/mo
Storage units in El Cajon, CA Within a 29-mile radius
16 Facilities
From $15/mo
Storage units in Murrieta, CA Within a 30-mile radius
10 Facilities
From $28/mo
Storage units in Spring Valley, CA Within a 32-mile radius
6 Facilities
From $51/mo
Storage units in San Clemente, CA Within a 32-mile radius
4 Facilities
From $65/mo
Storage units in Wildomar, CA Within a 33-mile radius
7 Facilities
From $55/mo
Storage units in Winchester, CA Within a 35-mile radius
5 Facilities
From $60/mo
Storage units in San Juan Capistrano, CA Within a 36-mile radius
8 Facilities
From $58/mo
Storage units in Lake Elsinore, CA Within a 38-mile radius
8 Facilities
From $28/mo
Storage units in Canyon Lake, CA Within a 38-mile radius
1 Facility
From $85/mo
Storage units in Dana Point, CA Within a 38-mile radius
1 Facility
From $100/mo
Storage units in Menifee, CA Within a 39-mile radius
7 Facilities
From $43/mo

Check out storage units in trending cities

If you want to see how your city compares to others, you can start by checking out other facilities in trending cities. A wide array of storage units can be leased in Los Angeles, CA, San Diego, CA and San Jose, CA, where sizes and amenities may vary. Monthly rents for units in these cities are as low as $15 and $24, respectively.

Storage units in Los Angeles, CA
207 Facilities
From $15/mo
Storage units in San Diego, CA
72 Facilities
From $15/mo
Storage units in San Jose, CA
65 Facilities
From $24/mo
Storage units in San Francisco, CA
23 Facilities
From $29/mo
Storage units in Fresno, CA
41 Facilities
From $30/mo
Storage units in Sacramento, CA
76 Facilities
From $17/mo
Storage units in Oakland, CA
20 Facilities
From $9/mo
Storage units in Bakersfield, CA
51 Facilities
From $25/mo
Storage units in Anaheim, CA
21 Facilities
From $46/mo
Storage units in Stockton, CA
36 Facilities
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Storage units in Riverside, CA
35 Facilities
From $23/mo
Storage units in Santa Ana, CA
19 Facilities
From $20/mo
Storage units in Irvine, CA
29 Facilities
From $20/mo
Storage units in Chula Vista, CA
20 Facilities
From $55/mo
Storage units in Fremont, CA
14 Facilities
From $22/mo
Storage units in Modesto, CA
27 Facilities
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Storage units in Fontana, CA
18 Facilities
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Storage units in Moreno Valley, CA
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17 Facilities
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Browse storage units in all California cities.

Frequently Asked Questions

Storage units available at Extra Space Storage - 999 East Mission Road include the following amenities: Indoor, Drive-Up Access, Retail Available, Onsite Manager, Contactless Renting, Security Camera, Gate, Parking, Credit Cards Accepted, Multi-Level Storage, Online Payment and RV Storage. Depending on what you need to put away in storage, you can discover there are some things you absolutely need, so make sure you check with the facility manager that you'll find everything you need on site.

This particular storage facility provides self storage units of different sizes, ranging from 25 to 700 square feet. Space is not an issue! If you have more belongings to store, or simply bulkier items or even vehicles, you should go for larger storage units.

You already know how much stuff you need to put in self storage, so figuring out the unit size you need is the next step. Smaller units such as 5'x5' or 5'x10' spaces can usually be filled with the amount of items you would normally store in a closet: a few chairs and lamps, sports equipment, garden tools and some boxes.

Moving on to larger sizes, imagine the 10'x10' and 10'x15' units as similar to a bedroom or a living room – larger pieces of furniture, sturdier equipment and bicycles can fit here. Finally, a 10'x20' unit has enough space for the contents of a 3-bedroom house, while the larger 10'x30' space easily accommodates the contents of a loaded semi-truck.

Monthly prices for units offered by Extra Space Storage - 999 East Mission Road start from $90 and can go up to $839 for larger spaces.

Accessibility and quickness are key when it comes to storage, so drive-up storage units are generally regarded as very convenient. Pull your car right up to your storage space, load, unload, and you're good to go! However, if you're mostly storing temperature-sensitive items, you should rather consider indoor storage units.

Climate-controlled units maintain consistent temperatures and humidity levels all year round, making them perfect for all your sensitive items. Moisture and varying temperatures can damage a whole host of things, and that is why a lot of people choose to use climate-controlled units to store items like wooden furniture, electronics, artwork, documents and photographs, collectibles, antiques, etc. If the belongings you're storing are important to you, you should consider renting a climate-controlled unit.