Content starts here

CLOSE ×

AARP Membership — $15 for your first year when you sign up for Automatic Renewal

Get instant access to members-only products and hundreds of discounts, a free second membership, and a subscription to AARP the Magazine.

Join Now

Renew Now

Back to Things to Do

Knox House Museum

Name: Knox House Museum
Address: 280 N. Magnolia Avenue, El Cajon, El Cajon, CA, 92020, US

280 N. Magnolia Avenue, El Cajon

El Cajon, CA 92020

Visit Website

By clicking the links above, you'll leave AARP and go to a website that is not operated by AARP. A different privacy policy and terms of service will apply.

619-444-3800

Built in 1876, the Knox House Museum is the oldest commercial building in El Cajon and is maintained by the El Cajon Historical Society and the city of El Cajon.

El Cajon Centennial - Nov. 12, 2012

Open for Tours:
1st Saturdays: 11 am - 2 pm

2nd Saturdays: 11 am - 2pm

3rd Saturdays: 11 am - 2 pm
or by appointment - closed in August

FREE but donations appreciated.

Become a museum DOCENT (tour guide)

Please use "Flag This Place" to alert us about content that is inappropriate or needs immediate attention. Nothing you submit will be shared with other site visitors.

AARP Events for Rockwood

Featured Event

Lockport Township Matinee: Rock & Soul Music

Thursday, Jan 22, 2026 at 1:00 p.m. CT

Prairie Bluff Public Golf Club

Hybrid (Attend Online or In-Person)
Featured Event

Fraud Fighting Fraudlettes Series

Monday, Jan 26, 2026 at 10:00 a.m. CT

Facebook and YouTube

Online Event
Featured Event

Fraud Fighting Fraudlettes Series

Monday, Feb 23, 2026 at 10:00 a.m. CT

Facebook & YouTube, Links TBA

Online Event