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Pending
  • $625,000

    4423 Renn St, Rockville, MD 20853

    3beds
    2,209sqft
    : 
    Single Family Residence
    Built in 1959
    0.27 Acres Lot
    $638,600 Zestimate®
    $283/sqft
    $-- HOA

    What's special

    Sun-filled main levelGleaming hardwood floorLovely fenced-in lotUpdated kitchen and bathsGlass tile backsplashCorian countertopsCeramic tile flooring
    OPEN HOUSES HAVE BEEN CANCELED! Nestled in the charming Aspen Knolls subdivision, this delightful ranch-style home offers a perfect blend of comfort and functionality. Amazing Opportunity! The well crafted ADDITION has been permitted as an accessory apartment previously, includes a second full kitchen, dining & living rooms, double door closet and access to a bedroom with en suite bath. This expansive space can be configured for many uses: apartment, in-law or au paire suite or a 2nd family great room with full caterers kitchen off the deck for entertaining. This unique, versatile home is perfectly situated on a lovely fenced-in lot, featuring an expansive Trex deck with pergola, steps down to the pool, hot tub and fire pit. Ideally located in prestigious Aspen Knolls, minutes from the picturesque lakes, woods and trails of Rock Creek Park, minutes from schools, places of worship, Aspen Hill, Olney, Pike & Rose, Rockville Town Center shopping, Metro and major commuter routes. This home has been lovingly cared for and updated; it is turn-key and ready to move in! FEATURES & AMENITIES •3 bedrooms, 2 full baths including an addition suitable as an apartment, in-law, or au pair suite •Welcoming foyer with tile floor and guest coat closet •Sun-filled main level features a living room with easy access via a new sliding glass door to the expansive maintenance-free Trex deck with a pergola and a breezy fan, steps down to the hot tub, pool and beautiful rear gardens; gleaming hardwood floor, and easy flow to the dining room round out the living-dining combo •The spacious eat-in kitchen, featuring a breakfast area and bay window, includes Corian countertops, a glass tile backsplash, solid wood cabinets, stainless steel appliances with gas cooking and ceramic tile flooring. The side door access to the driveway make it easy to bring in groceries and set your keys down on the live-wood shelf near the door •The great room addition with its' own full kitchen, living and dining area with double door closet and access to the deck and rear gardens, pool and hot tub offers the opportunity for an apartment, in-law or au paire suite •Three spacious bedrooms w/hardwood floors, crown molding and large closets; one bedroom w/an en suite bath can be configured as a primary suite with access to the great room addition or closed off to provide for an apartment, in-laws, or au pair. •Hall tub and shower bath w/designer vanity and lighting with ceramic flooring; convenient hall linen closet nearby •Carpeted lower level recreation media room is perfect for entertaining, gaming and relaxing with family and friends •Lower level den/study with carpet and double-door closet could also serve as a playroom •Expansive lower level workshop/storage room runs almost the entire length of the home, plenty of room for both projects and storage •Separate laundry/utility room with new vinyl tile flooring and nearby cedar closet round out the lower level •Special features of this home include an expansive deck and gardens, a pool & hot tub, a newer roof and windows, updated kitchen and baths, a large addition with a living-dining combination and a full kitchen, and a driveway suitable for 6-8 cars. DATES: (2026) French Drain, sump pump, new LL flooring installed, new pool; (2025) new doors installed; (2023) new HWH installed, wood flors refinished in main; (2021) new entry porch, steps & sidewalk; (2019) new windows, vinyl siding and sliding glass door installed; (2016) new roof and hot tub, driveway extended; (2015) new free-standing shed with pull up door; (2009) new HVAC • Turn your key, unpack, and enjoy your new home!
    30 days
    |
    876
    |
    34
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Molly Carter 240-676-1656,

    Long & Foster Real Estate, Inc. 301-424-0900

    Source: Bright MLS,MLS#: MDMC2222330MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 3
      • Bathrooms: 2
      • Full bathrooms: 2
      • Main level bathrooms: 2
      • Main level bedrooms: 3
      Rooms
      • Room types: Living Room, Dining Room, Bedroom 2, Bedroom 3, Kitchen, Family Room, Den, Foyer, Bedroom 1, In-Law/auPair/Suite, Laundry, Storage Room, Utility Room, Workshop, Bathroom 1, Bathroom 2
      Bedroom 1
      • Features: Flooring - Solid Hardwood, Crown Molding, Attached Bathroom
      • Level: Main
      Bedroom 2
      • Features: Flooring - Solid Hardwood, Crown Molding
      • Level: Main
      Bedroom 3
      • Features: Flooring - Solid Hardwood, Crown Molding
      • Level: Main
      Bathroom 1
      • Features: Attached Bathroom, Flooring - Ceramic Tile, Bathroom - Walk-In Shower
      • Level: Main
      Bathroom 2
      • Features: Flooring - Ceramic Tile, Bathroom - Tub Shower
      • Level: Main
      Den
      • Features: Flooring - Carpet
      • Level: Lower
      Dining room
      • Features: Flooring - Solid Hardwood, Crown Molding
      • Level: Main
      Family room
      • Features: Flooring - Carpet, Cedar Closet(s)
      • Level: Lower
      Foyer
      • Features: Flooring - Ceramic Tile, Crown Molding, Attic - Pull-Down Stairs
      • Level: Main
      Other
      • Features: Living/Dining Room Combo, Kitchen - Gas Cooking, Recessed Lighting, Crown Molding
      • Level: Main
      Kitchen
      • Features: Flooring - Ceramic Tile, Eat-in Kitchen, Breakfast Nook, Countertop(s) - Solid Surface, Crown Molding
      • Level: Main
      Laundry
      • Features: Flooring - Vinyl
      • Level: Lower
      Living room
      • Features: Flooring - Solid Hardwood, Crown Molding
      • Level: Main
      Storage room
      • Level: Lower
      Utility room
      • Level: Lower
      Workshop
      • Features: Flooring - Vinyl
      • Level: Lower
      Heating
      • Central, Forced Air, Natural Gas
      Cooling
      • Other, Electric
      Appliances
      • Included: Stainless Steel Appliance(s), Dishwasher, Cooktop, Oven/Range - Gas, Refrigerator, Extra Refrigerator/Freezer, Exhaust Fan, Water Heater, Washer, Dryer, Gas Water Heater
      • Laundry: Lower Level, Laundry Room
      Features
      • 2nd Kitchen, Attic, Bathroom - Tub Shower, Bathroom - Walk-In Shower, Breakfast Area, Combination Dining/Living, Crown Molding, Chair Railings, Entry Level Bedroom, Eat-in Kitchen, Kitchen - Gourmet, Primary Bath(s), Recessed Lighting
      • Flooring: Ceramic Tile, Hardwood, Carpet, Vinyl, Wood
      • Doors: Sliding Glass, Storm Door(s), Insulated
      • Windows: Bay/Bow, Double Hung, Energy Efficient, Replacement, Sliding, Storm Window(s), Vinyl Clad
      • Basement: Full,Finished,Connecting Stairway,Drainage System,Sump Pump,Water Proofing System,Windows
      • Has fireplace: No
      Interior area
      • Total structure area: 2,803
      • Total interior livable area: 2,209 sqft
      • Finished area above ground: 1,659
      • Finished area below ground: 550
      Video & virtual tour

      Property

      Parking
      • Total spaces: 8
      • Parking features: Concrete, Driveway
      • Uncovered spaces: 8
      Accessibility
      • Accessibility features: Other
      Features
      • Levels: Two
      • Stories: 2
      • Patio & porch: Deck, Porch
      • Exterior features: Lighting, Extensive Hardscape, Sidewalks, Street Lights
      • Has private pool: Yes
      • Pool features: Filtered, Above Ground, Vinyl, Private
      • Has spa: Yes
      • Spa features: Hot Tub
      • Fencing: Partial
      • Has view: Yes
      • View description: Garden
      Lot
      • Size: 0.27 Acres
      Details
      • Additional structures: Above Grade, Below Grade
      • Parcel number: 161301306767
      • Zoning: R90
      • Special conditions: Standard

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Ranch/Rambler
      • Property subtype: Single Family Residence
      Materials
      • Frame, Block, Brick
      • Foundation: Block, Crawl Space
      • Roof: Architectural Shingle
      Condition
      • Very Good
      • New construction: No
      • Year built: 1959

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public

      Community & HOA

      Community
      • Subdivision: Aspen Knolls
      HOA
      • Has HOA: No
      Location
      • Region: Rockville

      Financial & listing details

      • Price per square foot: $283/sqft
      • Tax assessed value: $470,267
      • Annual tax amount: $6,268
      • Date on market: 4/14/2026
      • Listing agreement: Exclusive Right To Sell
      • Ownership: Fee Simple
      • Road surface type: Concrete
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        Estimated market value

        $638,600

        $607,000 - $671,000

        $3,111/mo

        Price history

        DateEventPrice
        4/18/2026Pending sale$625,000$283/sqft
        Source: Bright MLS #MDMC2222330 Report a problem
        4/14/2026Listed for sale$625,000$283/sqft
        Source: Bright MLS #MDMC2222330 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$5,576 +12.3%$467,000 +8.3%
        2024$4,963 +9%$431,133 +9.1%
        2023$4,554 +14.8%$395,267 +10%
        2022$3,966 +1.8%$359,400 +1.7%
        2021$3,896 +1.7%$353,367 +1.7%
        2020$3,832 +6.5%$347,333 +1.8%
        2019$3,597 -0.2%$341,300 +4.6%
        2018$3,603 +1.2%$326,167 +4.9%
        2017$3,559 +22.5%$311,033 +5.1%
        2016$2,905 $295,900 +0.2%
        2015$2,905 $295,433 +0.2%
        2014$2,905 $294,967 +0.2%
        2013-- $294,500
        2012-- $294,500
        2011-- $294,500 -33.6%
        2010-- $443,670 +5.5%
        2009-- $420,666 +5.8%
        2008-- $397,663 +6.1%
        2007-- $374,660 +19.2%
        2006-- $314,212 +23.8%
        2005-- $253,766 +31.3%
        2004-- $193,320
        2003-- $193,320 +10.7%
        2002-- $174,680 +5.6%
        2001-- $165,360

        Find assessor info on the county website

        Monthly payment

        Est. payment

          Payment breakdown

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          All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
          HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
          Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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          Climate risks

          Neighborhood: Aspen Hill

          Getting around

          49 / 100
          Car-Dependent
          46 / 100
          Some Transit
          37 / 100
          Somewhat Bikeable

          Nearby schools

          GreatSchools rating
          Schools provided by the listing agent
          • Elementary: Brookhaven
          • Middle: Parkland
          • High: Wheaton
          • District: Montgomery County Public Schools

          Source: Bright MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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