# 73 Gray Street #A, Billerica, MA 01821 > **TL;DR:** 3bd/3ba condo, $675,000 ($302/sqft), built 1843, 2,232 sqft. > Fireplace, A/C. Est. $4,103/mo. Listed 91 days. ## Property at a Glance | Attribute | Value | |-----------|-------| | Price | $675,000 | | Price/sqft | $302 | | Bedrooms | 3 | | Bathrooms | 2 full, 1 half | | Square Feet | 2,232 | | Year Built | 1843 | | Stories | 2 | | Property Type | Condo (Condominium) | | Status | Active | | Days on Market | 91 | ## Estimated Monthly Costs | Category | Amount | |----------|--------| | Principal & Interest (20% down, 30-year at 6.5%) | $3,413 | | Estimated Insurance | $197 | | HOA | $493 | | **Total** | **$4,103** | ## Key Amenities - Fireplace - A/C ## Property Highlights - Built in 1843 - 2 stories - 3 parking spaces - Fireplace ## Description ### Agent Description Nestled on approximately five acres of conservation land, this townhouse-style condominium offers a rare combination of historic character, modern updates, and a private setting. Renovated in 2006 within a c.1843 home, this spacious residence features over 2,200 square feet of living space with 3 bedrooms and 2.5 bathrooms. The main level offers an open floor plan with hardwood flooring, 9-foot ceilings, a fireplace, and a kitchen with granite countertops and ample cabinet space. French doors lead to a private enclosed patio and fenced yard, providing a peaceful outdoor space for relaxing or entertaining. Upstairs, the primary suite includes a full bath and two walk-in closets, along with two additional bedrooms, a full guest bath, and second-floor laundry. Additional highlights include central air and generous storage. Conveniently located near shopping, dining, commuter routes, and local amenities, while offering the privacy of a unique conservation setting. ## Location - **Address:** 73 Gray Street #A, Billerica, MA 01821 - **County:** Middlesex - **Coordinates:** 42.580716, -71.23682 - **Google Maps:** https://www.google.com/maps?q=42.580716,-71.23682 ## Listing Agent - **Name:** Claire Ryan - **Brokerage:** Keller Williams Realty Merrimack Valley - **Broker Phone:** (978) 692-3280 - **Listing URL:** [View original listing](https://www.realtor.com/realestateandhomes-detail/73-Gray-St-A_Billerica_MA_01821_M44891-45906?f=listhub&s=MLSPIN&m=73557732&c=propsimple) ## Photos ![73 Gray Street #A - Photo 1](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f3138280522r.jpg) ![73 Gray Street #A - Photo 2](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f2581489750r.jpg) ![73 Gray Street #A - Photo 3](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f1764122332r.jpg) ![73 Gray Street #A - Photo 4](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f2512481405r.jpg) ![73 Gray Street #A - Photo 5](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f1077990513r.jpg) ![73 Gray Street #A - Photo 6](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f834437623r.jpg) ![73 Gray Street #A - Photo 7](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f1452234131r.jpg) ![73 Gray Street #A - Photo 8](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f1693113010r.jpg) ![73 Gray Street #A - Photo 9](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f2144379612r.jpg) ![73 Gray Street #A - Photo 10](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f1803332112r.jpg) ![73 Gray Street #A - Photo 11](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f3127659205r.jpg) ![73 Gray Street #A - Photo 12](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f110141133r.jpg) ![73 Gray Street #A - Photo 13](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f4266504002r.jpg) ![73 Gray Street #A - Photo 14](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f2294544728r.jpg) ![73 Gray Street #A - Photo 15](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f3750348849r.jpg) ![73 Gray Street #A - Photo 16](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f1349589036r.jpg) ![73 Gray Street #A - Photo 17](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f25413933r.jpg) ![73 Gray Street #A - Photo 18](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f361754746r.jpg) ![73 Gray Street #A - Photo 19](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f1645361182r.jpg) ![73 Gray Street #A - Photo 20](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f554073976r.jpg) ![73 Gray Street #A - Photo 21](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f3536482178r.jpg) ![73 Gray Street #A - Photo 22](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f2165871802r.jpg) ![73 Gray Street #A - Photo 23](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f708533166r.jpg) ![73 Gray Street #A - Photo 24](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f2775353498r.jpg) ![73 Gray Street #A - Photo 25](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f3320876402r.jpg) ![73 Gray Street #A - Photo 26](http://lh.rdcpix.com/9237a4a5790379bd4562bf7e63ebbb0el-f2052174922r.jpg) --- **MLS#:** 73557732 | **Updated:** 2026-10-24 **Source:** listhub *Copyright © 2026 MLS Property Information Network Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.* [View on PropertySimple](https://staging.propertysimple.ai/listing/73-gray-street-billerica-ma-01821-656f4231ae41436c9a43ceefed495ec5) --- ## Structured Data ```json { "@context": "https://schema.org", "@type": "RealEstateListing", "@id": "https://staging.propertysimple.ai/listing/73-gray-street-billerica-ma-01821-656f4231ae41436c9a43ceefed495ec5#listing", "url": "https://staging.propertysimple.ai/listing/73-gray-street-billerica-ma-01821-656f4231ae41436c9a43ceefed495ec5", "name": "73 Gray Street #A, Billerica, MA 01821", "description": "Nestled on approximately five acres of conservation land, this townhouse-style condominium offers a rare combination of historic character, modern updates, and a private setting. 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