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Welcome to 4020 W 137th St, Hawthorne, CA – a prime triplex investment on a huge 8,700 SF lot with plenty of value-add opportunities. The front home is a 3-bedroom 2-bath with a spacious living room, separate dining area, a large private yard, and an attached garage. The middle home is a 2-bedroom 1-bath with a large living room, a big kitchen, a dining area, and an attached garage. The back home is also a 2-bedroom 1-bath with a large private yard in the back. Investors may explore converting garages into an ADU or an attached ADU in the back yard (buyer to verify). The property currently generates $7,200/mo with 17% upside in rents, an actual GRM of 15.0 and a cap rate of 3.8%, with pro forma projections improving to a 12.8 GRM and 4.8% cap rate. Adding an ADU (buyer to verify) could unlock further potential, making it an outstanding long-term investment in a desirable rental neighborhood with low vacancy.
Listing agent: Christopher Crosby DRE #02116879 chris.crosby@buckinghaminvestments.com, Listing office: Buckingham Investments, Inc
MLS data updated 11/3/2026, 7:26:28 PM PT
Source: CRMLS, MLS #: SB24206132
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Nov 22, 2024
Prices use the left axis; mortgage rates use the right. Hover, tap, or focus the chart and use the arrow keys. Red SOLD badges mark recorded sales.
This home · nearest recorded event
$1,299,000Closed sale · Nov 22, 2024ZIP 90250 · Nov 2024
No monthly averageAt least 3 eligible sales in this month are required.30-year fixed mortgage benchmark
No weekly rateNo published rate within 7 days of this date.ZIP averages use publicly displayable closed sales from our licensed MLS feed, matched to the same ZIP and exact property type. Months with fewer than 3 sales are omitted; the current month is incomplete. Lines connect available monthly observations across gaps and do not represent measured prices in missing months. These averages are not adjusted for size, condition, or location within the ZIP, and are not an appraisal. Feed coverage may not include every sale. All available shows the available home and ZIP history, with mortgage rates over the same dates.
Mortgage benchmark: Freddie Mac Primary Mortgage Market Survey®. © Freddie Mac. Weekly national 30-year fixed rates, not APRs or a loan quote. Actual terms vary. Methodology changed in November 2022. The chart does not establish that interest-rate changes caused a home’s price changes.
Lines connect recorded asking and sale prices. They are visual guides, not estimates of the home’s value between those dates.
No earlier records were returned by our current sources. This does not mean the home has never sold.
MLS records may be incomplete. Earlier asking prices are not sale prices.