Skip to content

StorageReservations

Find storage

Search storageCompare facilities by city, ZIP and type Get free quotesTell us what you need, local facilities reply Size guideFrom a 5×5 closet to a 10×30 garage How it worksSearch, reserve and move in Vehicle, RV & boatParking and large-vehicle storage Climate controlledProtect furniture, docs and electronics Browse by stateMap of facilities in every state

For facility owners

OverviewWhy operators switch to us FeaturesManagement, billing, portal, reporting PaymentsAuto-invoicing now · card & ACH soon Data migrationMove from your current system How getting started worksSteps, timeline and your onboarding team Custom domainUse the website address you own PricingSimple monthly plans CompareHow we stack up SupportUS-based help when you need it

Get free quotes Log in Find a unit

Home
California
San Marcos
Cains Self Storage

Cains Self Storage

Self storage in San Marcos, CA

100 Woodland Pkwy, San Marcos, CA 92069 · Directions
(760) 744-0100
cainstorage.com

Request info Get quotes

Details come from public sources and haven't been confirmed by the facility. Some details may come from © OpenStreetMap contributors and Overture Maps Foundation.

Is this your facility? Claim it free to add hours, sizes, rates and photos, and get renter requests sent to you.

Claim this listing

Nearby storage

Extra Space Storage0.2 mi
Cubesmart0.4 mi
StaxUP Storage0.8 mi
A Storage Place of Escondido0.8 mi
Prime Storage0.9 mi
Storage West Self Storage1.1 mi

All storage in San Marcos →

Request info from Cains Self Storage

1 What you needStorage type

Unit size (pick any that work)

5×55×1010×1010×1510×2010×30Not sure

Move-in date (subject to availability)

2 Your contact infoFull name

PhoneEmail

Best way to reach you

EmailPhone callText

I agree to receive account text messages from Cains Self Storage (reservation, payment, gate-access and account alerts) at the mobile number provided, sent via Storage Reservations. Message frequency varies. Msg & data rates may apply. Reply HELP for help, STOP to opt out. Consent is not a condition of renting or purchase. See the SMS Terms and Privacy Policy.

Email or phone required.

Anything else? (optional)

What happens next

Cains Self Storage doesn't take requests with us directly yet, so our team will reach out to the facility on your behalf.
Unless you opt out below, we can also check nearby facilities that have units available. We usually reply within one business day.
The facility confirms availability and price. Nothing is reserved and you pay nothing until you agree to rent.

I agree that Storage Reservations may share my request and contact details with this facility and, unless I opt out below, with nearby facilities, and that someone from them may contact me by phone or email about storage. Storage Reservations connects renters with facility managers; availability and prices are set by each facility, and this request is not a rental agreement or reservation. Only send my request to this facility. Don't share it with nearby facilities.

Leave this field empty

What is 5 + 3?

Quick check to prove you're human, type the answer as a number.

Free, no obligation.

StorageReservations

Find and reserve self storage near you, and the software that helps local facilities fill units.

US-based support · Your data is yours

Renters

Search storage How it works Size guide New York storage Los Angeles storage Chicago storage Houston storage

Storage types

Self storage units Climate controlled Drive-up units Car & vehicle RV storage Boat storage All storage types Browse by state

Facility owners

Overview Features Payments Migration Getting started Custom domain Pricing Request a demo Get started Suggest a missing location

Company

About Support Contact Privacy Terms Security Data ownership Status

© 2026 Storage Reservations. All rights reserved.Made for independent storage operators across the US.