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Opportunity knocks in one of the San Gabriel Valley’s most sought-after markets. Situated on a generous lot in a high-demand area, 3777 Brookline Ave presents an exceptional opportunity for investors, builders, or buyers looking to unlock the full potential of land in a thriving community. The property sits on a spacious parcel with strong development potential, making it ideal for those exploring options such as expansion, adding an ADU, redevelopment, or creating a multi-generational living setup (buyer to verify with city). With land becoming increasingly scarce in the area, large lots like this offer the flexibility and long-term upside that savvy investors seek. Located in a prime pocket of Rosemead, the home benefits from close proximity to major freeways, employment centers, shopping, and dining, all of which continue to drive strong rental demand and potential for long-term property appreciation throughout the San Gabriel Valley. Whether you're looking to renovate, expand, build additional units, or hold for future growth, this property represents a rare chance to capitalize on lot size, location, and market momentum. Opportunities like this don’t come around often—bring your vision and explore the possibilities.
Listing agent: Bridgette Carrillo DRE #02053214 bridgette@odrealestategroup.com, Listing office: House of Seven Gables RE Inc
MLS data updated 10/25/2026, 1:46:35 PM PT
Source: CRMLS, MLS #: DW26050414
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Jun 12, 2026
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
$810,000Closed sale · Jun 12, 2026ZIP 91770 · Jun 2026
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.