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Charming Single-Story Home with ADU Potential in Prime Spring Valley Location! Welcome to 639 Maria Ave — a beautifully maintained 3-bedroom, 2-bath single-story home offering approximately 1,164 sq ft of comfortable living space on a generous 7,700 sq ft lot with outstanding potential to build an Accessory Dwelling Unit (ADU). Whether you’re looking for room to grow, multi-generational living, or investment income potential, this property delivers exceptional value and flexibility. This move-in-ready home features fresh interior paint throughout and brand-new kitchen countertops, creating a bright, clean, and contemporary feel. The thoughtful floor plan includes spacious bedrooms, a welcoming living area perfect for relaxing or entertaining, and convenient access to a 2-car garage. The private backyard offers plenty of space for outdoor enjoyment, gardening, or future expansion. Prime East County Location — Enjoy the best of suburban living with unbeatable convenience. Minutes from major freeways (SR-94, I-8, and more) for easy commutes to downtown San Diego, La Mesa, El Cajon, and beyond. Nearby amenities include Albertsons and other supermarkets, excellent local dining options, and highly regarded schools such as La Presa Elementary. Recreation is right at your doorstep with Mount Helix Park (scenic hiking trails, panoramic views, and the iconic cross) and Spring Valley County Park (playgrounds, sports fields, picnic areas, and exercise paths) just moments away. This is a rare opportunity to own a charming, updated home in a convenient, amenity-rich Spring Valley neighborhood with strong long-term potential. Don’t miss out — schedule your showing today!
Listing agent: Vicky Pham DRE #01984276 vickyngapham@gmail.com, Listing office: eXp Realty of California, Inc
MLS data updated 10/29/2026, 7:59:08 PM PT
Source: CRMLS, MLS #: ND26138101
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Sep 30, 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
$775,000Closed sale · Sep 30, 2026ZIP 91977 · Sep 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.