Cheap Self Storage in San Marcos, CA: Find Storage Units Near You

With features like drive-up access and vehicle storage, you can find the storage solutions you need at Extra Space Storage in San Marcos. We serve San...
With features like drive-up access and vehicle storage, you can find the storage solutions you need at Extra Space Storage in San Marcos. We serve San Marcos residents and those within 1 mile of Mesa Rock, Country Club, and Harmony Grove.
One-Time Admin Charge
$19.99
You will be charged a one-time lock charge. Your lock fee may be refundable if you bring your own lock and it is approved for compatibility by your Store Manager. This fee does not apply to digital-access units.
$29
This one-time admin charge covers lease processing and your account setup.
Extra Space Storage facility at 999 E Mission Rd - San Marcos, CA
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Extra Space Storage facility at 2280 Avenida del Diablo - Escondido, CA
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Extra Space Storage facility at 1100 E Vista Way - Vista, CA
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Extra Space Storage facility at 28710 Champagne Blvd - Escondido, CA
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Extra Space Storage facility at 1317 N Melrose Dr - Vista, CA
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Extra Space Storage facility at 4567 Oceanside Blvd - Oceanside, CA
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Extra Space Storage facility at 3091 Oceanside Blvd - Oceanside, CA
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Extra Space Storage facility at 4705 N River Rd - Oceanside, CA
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Extra Space Storage facility at 545 Stevens Ave W - Solana Beach, CA
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Extra Space Storage facility at 372 W Aviation Rd - Fallbrook, CA
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Prices exclude administration and insurance fees.

Prices exclude administration and insurance fees.

Why Extra Space Storage?

Extra Space Storage is a great option for those looking for self storage in San Marcos. Here, you'll find helpful customer service teams, ready to answer any questions you may have, as well as clean storage facilities, excellent security, and more!

San Marcos Self Storage Features & Amenities

San Marcos storage facilities provide storage units ranging in size from 25 square feet to 300+ square feet. Here, you'll be able to choose from a wide range of amenities, including upper-level access, ground-level access, indoor access, and more!

Rapid Rental

You can start renting your storage unit from anywhere in a matter of minutes! Just go online to select your storage unit, then fill out your payment information and paperwork. Once you're done, you'll receive a code that allows you to access your storage unit and move in.

Drive-Up Access

Drive-up access storage is a great feature to make storing items easier. It allows you to park alongside your unit, leading to a more convenient loading and unloading process. Find our drive-up storage units in San Marcos today!

Vehicle Storage

Find secure vehicle storage at Extra Space Storage! We offer indoor and outdoor vehicle storage options in San Marcos. These options range in size, so we can accommodate small motorcycles, cars, trucks, RVs, and more!

Business Storage

Looking for commercial storage options in San Marcos? Look to Extra Space Storage. Our units are great for businesses needing a secure place to store files, equipment, inventory, and more.

Exceptional Security

San Marcos storage facilities utilize advanced security measures, like video surveillance, electronic gate access, and more, to keep your belongings safe and secure.

Extended Access Hours

By offering extended access hours from 6am to 10pm, Extra Space Storage in San Marcos ensures visits to your storage unit fit into your schedule. Whether you're working late or need to drop something off early, you can worry less about getting to your unit when you need to.

Customer Reviews Near San Marcos, California

4.9

Renters rated Extra Space Storage’s service and storage units in San Marcos 4.9 out of 5, based on 8,836 Google reviews.

Unit Size Comparisons

See exactly how unit sizes compare on price, space, and value — side by side.

5' x 5'

5' x 10'

Avg. Monthly Price$61.00
Avg. Monthly Price$101.00+$40/mo
Square Footage25 sq ft
Square Footage50 sq ft+100% more
Cost per Sq Ft$2.44
Cost per Sq Ft$2.02-$0.42/sq ft
Value Insight: While a 5x10 unit costs 66% more per month, you get 100% more space than a 5x5—making it 17% more cost-efficient per square foot for San Marcos renters.

5' x 10'

10' x 10'

Avg. Monthly Price$101.00
Avg. Monthly Price$159.00+$58/mo
Square Footage50 sq ft
Square Footage100 sq ft+100% more
Cost per Sq Ft$2.02
Cost per Sq Ft$1.59-$0.43/sq ft
Value Insight: If you're clearing out a living room or 1-bedroom apartment in San Marcos, a 10x10 storage may be the right choice—and costs 57% more than a 5x10. You’ll get 21% more value per square foot when upgrading to a 10x10.

10' x 15'

10' x 20'

Avg. Monthly Price$216.00
Avg. Monthly Price$298.00+$82/mo
Square Footage150 sq ft
Square Footage200 sq ft+33% more
Cost per Sq Ft$1.44
Cost per Sq Ft$1.49+$0.05/sq ft
Value Insight: Renting a 10x20 storage unit in San Marcos gets you 33% more space than a 10x15—enough for a 3–4 bedroom home. At 38% more per month, you’re getting 3% less value per square foot.

Storage Unit Information

Small Storage Units

  • 12 self storage facilities near San Marcos, CA have small 5' x 5' units available now, starting at $29 and averaging $61 per month.

  • 20 storage facilities near San Marcos, CA have small sized 5' x 10' storage units available now, starting at $69 and averaging $101 per month.

  • 5 self storage facilities near San Marcos, CA have small 5' x 15' units available, starting as low as $100 and averaging $132 per month.

Medium Storage Units

  • 19 self storage facilities near San Marcos, CA have medium sized 10' x 10' units available starting at $87, with an average price of $159 per month.

  • 14 storage facilities near San Marcos, CA have medium 10' x 15' units available now, starting at $101 and averaging $216 per month.

Large Storage Units

  • 18 self storage facilities near San Marcos, CA have large 10' x 20' storage units available, starting at $114 and averaging $298 per month.

  • 6 self storage facilities near San Marcos, CA have larger 10' x 25' units available now, starting at $123 and averaging $308 per month.

  • 9 storage facilities near San Marcos, CA have larger sized 10' x 30' units available, starting as low as $152 and averaging $458 per month.

Climate Controlled & RV/Boat Storage Units

  • 5 self storage facilities near San Marcos, CA have Climate Controlled storage units available starting at $40, with an average price of $150 per month.

  • 5 self storage facilities near San Marcos, CA have RV Storage units available, starting at $114 and averaging $179 per month.

NEED HELP FINDING THE RIGHT SIZE?

We offer a Right-Size Guarantee: you can change your selected size at the facility to best meet your storage needs.

SIZE GUIDE

Frequently Asked Questions in San Marcos, CA

How much do storage units in San Marcos, CA cost?

You can expect one of our most popular sizes, like a 5x5 storage unit, to start as low as $29 and average $61 per month in San Marcos, CA. Depending on the exact amenities and facility you choose, the exact cost may vary.

How big of a storage unit is needed for a studio or one-bedroom apartment?

Depending on the size of your apartment and the amount of belongings you have, a 5x10 or 5x15 works well for a studio or one-bedroom apartment. Learn more about our many storage unit sizes to fit your needs in our size guide.

Do I need climate-controlled storage in San Marcos, CA?

Storage units with climate-control in San Marcos are designed to maintain a temperature of 55-80 degrees year-round. We recommend renting a climate-controlled unit to protect any temperature sensitive items from extreme heat or cold.

What steps has Extra Space Storage taken to ensure security at storage facilities in San Marcos?

Extra Space Storage facilities in San Marcos use around the clock digital surveillance systems, private access codes, state-of-the-art locks, and proper lighting throughout all hours of the day to keep your items safe. For more information on our security features contact your facility.

Is it possible to prepay for storage for an extended period, such as multiple months or an entire year?

Yes, you have the option to prepay for several months or even a full year in advance. This can be a convenient choice if you want to secure your storage space for an extended period while enjoying potential discounts for longer-term commitments. Please contact your storage facility for details on prepayment options.

*savings reflected in rates.