Rockville Town Square
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Rockville Town Square

21 North St, Rockville, MD 20850

About This Property

A stunning 5,451 SF modern farmhouse on an 8,378 SF lot in Rockville, MD. This beautifully crafted home features 4 bedrooms on the upper level, a fully finished basement with additional bedroom and rec room, a main-level office, oversized 2-car garage, and an optional 500 SF detached home office (ADU). Built with EnviroBuild's signature ICF (Insulated Concrete Form) basement walls for superior energy efficiency, every detail has been thoughtfully designed for luxury living. Priced at $1,625,000 with available upgrades.

Property Details

5,451 SF

Total Built

4,754 SF

Livable Space

8,378 SF

Lot Size

1,469 SF

Basement

1,469 SF

1st Floor

1,816 SF

2nd Floor

517 SF

Garage

180 SF

Porch

7

Lot #

ICF Foundation Walls

This home features Insulated Concrete Form (ICF) basement walls with R30 insulation — a superior building technology that delivers exceptional energy efficiency, soundproofing, and structural strength compared to standard poured concrete foundations.

Floor Plans

First Floor floor plan

Click to enlarge

Key Features

ICF Basement Walls – R30 Insulation
5,451 SF Total Built / 4,754 SF Livable
9' Ceilings on 1st & 2nd Floor
MRCOOL High Efficiency 96% HVAC
Engineered Hardwood Throughout
KitchenAid Stainless Steel Appliances
Large Kitchen Island with Waterfall Countertop
Low-E Argon Double Pane Windows
50-Year Asphalt Roof Shingles
Fiber Cement Siding
Second Floor Laundry Room
Mudroom with Cubbies
Tankless Water Heater
Attic Insulation R49
Prewired Smart Home / Cable TV

Amenities

2-Car Garage (517 SF)
Front Porch (180 SF)
Rear Stone Patio
Optional 500 SF Detached Home Office
Extra Wide Driveway
Fire Sprinkler System

Finishes & Specifications

Available Upgrades

Detached Home Office (ADU)

500 SF, 1 bed studio, full bath, kitchenette, mini-split HVAC

+$149,000

Custom Stair Railing

+$7,000

Cove Lighting (1st Floor)

+$10,000

Custom Modern Kitchen & Appliances

+$50,000

2nd Kitchen Sink

FREE

List Price

$1,625,000

Up to $1,774,000 with upgrades

Bedrooms5 (incl. basement)
Bathrooms4+ Full Baths
Garage2-Car Attached
Stories3 (incl. basement)
FoundationICF Walls

ADU Available

Optional 500 SF detached home office with 1 bed/bath, kitchenette, mini-split HVAC — add $149,000.
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