20128 Diehl st, Walnut, CA 91789
Single-family home · 3 recorded sales since 2018
Sold September 2026
Listing Agent: CHENGLIANG YAO (DRE #02149666) · Listing Office: RE/MAX Premier Properties · Contact: 626-615-0493 · Bought with: SUJUAN DAI · RE/MAX 2000 REALTY · MLS #WS26144271 · Source: CRMLS
How this sale compares
20128 Diehl st sold for $1,650,000 in September 2026, 4.0% under its $1,718,000 list price, after 19 days on the market. That works out to $567 per square foot on 2,910 square feet. Across 150 closed sales in 91789 over the last 12 months, the median sold price is $1,220,000 and the median is $608 per square foot, 7.2% above this sale's $567. 4-bedroom rentals in 91789 currently list at a median of $4,490 a month (16 listings).
| Quarter | Closed sales in 91789 | Median sold price |
|---|---|---|
| Q1 2026 | 11 | $1,200,000 |
| Q2 2026 | 57 | $1,220,000 |
| Q3 2026 | 72 | $1,219,444 |
| Q4 2026 | 10 | $1,450,000 |
Figures are MLS-reported closed sales (CRMLS); ZIP medians cover the last 12 months. Nalren does not estimate values. Recently sold in Walnut · Homes for sale in 91789
Description
Welcome to this versatile property in the highly desirable City of Walnut! Extensively renovated by the current owner, truly move-in ready! This unique single-family residence has been thoughtfully configured into two separate living areas, offering exceptional flexibility for owner-users, multi-generational living, or potential rental income. Designed for easy maintenance, the backyard features a combination of concrete patio space and a grassy area, providing both convenience and outdoor enjoyment. A separate living area with its own private entrance is ideal for extended family, guests, a home office, or potential rental opportunities. Conveniently located directly across from Vejar Elementary School, approximately lesser than 1 mile to highly rated Suzanne Middle School and Walnut High school, this home offers an outstanding location for families. Whether you’re looking for a primary residence with flexible living space or an investment opportunity, this property offers exceptional versatility and value. Don’t miss this incredible opportunity!
Listing description from the September 2026 sale, as reported to CRMLS.
Sale history
Recent sales near 20128 Diehl st
20405 Tufts Circle: Sold $1,100,000 · 4 bd · 2 ba · 1,830 sqft · Sep 2026 · 0.4 mi
AGENCY 8 REAL ESTATE GROUP | DRE #01861444
Buyer's agent: Paul Siu, PINNACLE REAL ESTATE GROUP | DRE #0122146020538 Barnard: Sold $1,240,000 · 4 bd · 3 ba · 2,188 sqft · Aug 2026 · 0.6 mi
ReMax 2000 Realty | DRE #01941638
Buyer's agent: Li-Chen Fang, E Funding, INC | DRE #0111779019652 Calle Baja: Sold $895,000 · 4 bd · 3 ba · 1,690 sqft · Jul 2026 · 0.6 mi
First Team Real Estate | DRE #01364746
Buyer's agent: KAYAN WAI, eHomes | DRE #02213823309 Camino De Gloria: Sold $1,155,000 · 4 bd · 4 ba · 2,435 sqft · Sep 2026 · 0.7 mi
Wetrust Realty | DRE #02095677
Buyer's agent: XIUKUI LI, Pinnacle Real Estate Group | DRE #02156594604 El Vallencito Drive: Sold $2,050,000 · 5 bd · 3 ba · 3,120 sqft · Aug 2026 · 0.7 mi
Century 21 Masters | DRE #01078259
Buyer's agent: Jonathan Mak, Faith Realty | DRE #01890906361 Calle Caballeros: Sold $870,000 · 3 bd · 2 ba · 1,420 sqft · Sep 2026 · 0.7 mi
Northeastern Realty | DRE #01851593
Buyer's agent: 02054784, NONMEMBER MRML | DRE #02054784753 El Vallencito: Sold $2,190,000 · 4 bd · 3 ba · 3,479 sqft · Aug 2026 · 0.8 mi
Coldwell Banker Realty | DRE #02151056
Buyer's agent: BAO LEI, Pioneer Property & Realty Inc. | DRE #0123836420982 Cornerstone Dr: Sold $1,015,000 · 4 bd · 3 ba · 1,830 sqft · Aug 2026 · 0.8 mi
Wetrust Realty | DRE #02116435
Buyer's agent: Xiangxia Cheng, Real Broker | DRE #02172402
Closed sales reported in 91789, nearest first, last 12 months. All recent sales in Walnut →