Keystone Development Corporation
Construction trade company in Marlborough, MA 01752
About this company
Keystone Development Corporation is listed as a construction trade company at 910 Boston Post Rd E #310 in Marlborough, Massachusetts, in Middlesex County. It is one of 7 construction trade companies in ZIP 01752.
Other construction trade companies nearby
Marlborough Foundry Inc555 Maple St, Marlborough
2.8 mi(508) 485-2848
Integrated Dynamics Metals66 Brigham St, Marlborough
3.0 mi(508) 624-7271
Auciello Iron Works560 Main St, Hudson
3.1 mi(978) 568-8382
Alternate Finishing, Inc.15 Kane Industrial Dr, Hudson
3.1 mi(866) 567-9205
Framingham Fire Department Station 7789 Water St, Framingham
3.4 mi(508) 532-5930
Housing market around ZIP 01752
Figures describe the local area, not this company.
Typical home value$571,000+0.2% past year · +76% in 10 years
Typical rent$2,666+0.8% past year
12-month value outlook+1.0%
New homes permitted, 20252,341Middlesex County
Days to sale agreement14Boston metro · 15 a year ago
Listings with a price cut23.7%Boston metro
Sale price vs list101.3%Boston metro
New construction sales302Boston metro, Aug · +23% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
Local building angle: Middlesex County permitted 2,341 new homes in 2025, including 1,372 apartment units. 13% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.