One of several duplexes in the area that were built by the seller's great-grandfather in 1940. This one has been owned and maintained by the same family since that time. Both have generous square footage and and live more like a single family home than a duplex. 3107 has 3 bedrooms, 2 bathrooms and 1,340sf. 3109 has 2 bedrooms, 1 bathroom, a 17x11 bonus room and 1,453sf. Each unit has a garage and a driveway for additional parking, plus there is ample street parking. Exterior was painted July 2024. Convenient east end location with commute options (BART, freeway), K-12 schools, shops and restaurants, golf, walking and bike trails.