New33
$499,900
4 bd · 2 ba · 1,348 sqft
21 Jefferson Ave, Chelsea, MA
The Serrano Team · Leading Edge Real Estate

No listing photos
5
Beds
3
Baths
4,460
Sqft
1900
Year built
Range $311,000 – $599,000 · as of April 1, 2020
ATTOM automated valuation model · 4 published estimates over 0.2 years · shaded band is the model's own published low-to-high range
Highest reading $493,000 in February 2020; lowest $455,000 in April 2020. The vertical scale starts at the series' own low, not at zero — it is drawn to show movement, not absolute size.
$91,000
Estimated monthly payment
$3,054/mo
Loan amount $364,000. Estimate only — your actual rate and payment depend on credit, location, and lender.
2026 roll
School ratings (A+ to F) from HJN community data.
Chelsea Opportunity Academy
9-12 · Alternative/Other · Chelsea School District
132 students · 18.8:1 student–teacher
Chelsea High School
9-12 · Regular · Chelsea School District
1,649 students · 13.1:1 student–teacher
Clark Avenue School
5-8 · Regular · Chelsea School District
673 students · 12.7:1 student–teacher
George Keverian School
KG-8 · Regular · Everett School District
873 students · 12.1:1 student–teacher
Joseph A. Browne School
5-8 · Regular · Chelsea School District
487 students · 9.0:1 student–teacher
Eugene Wright Science and Technology Academy
5-8 · Regular · Chelsea School District
436 students · 9.8:1 student–teacher
Webster School
KG-5 · Regular · Everett School District
351 students · 8.2:1 student–teacher
Phoenix Academy Charter Public High School Chelsea
9-12 · Alternative/Other · Phoenix Academy Charter Public High School Chelsea
198 students · 19.9:1 student–teacher
Rings at ½ mile and 1 mile. Basemap © OpenMapTiles © OpenStreetMap contributors.
Open the Chelsea camera map22 devices mapped within ½ mile of this home: 3 license-plate readers, 18 CCTV cameras, and 1 gunshot detector; 3 of them identified as Flock Safety devices. Nearest: 0.1 mi east. Operator named in the data: Chelsea Police.
| Device type | Within ½ mi | Within 1 mi |
|---|---|---|
| License-plate readers | 3 | 13 |
| of which Flock Safety | 3 | 12 |
| CCTV cameras | 18 | 53 |
| Gunshot detectors | 1 | 3 |
Community-reported via OpenStreetMap; may be incomplete. Data as of . © OpenStreetMap contributors (ODbL)
License-plate readers (ALPR) are fixed cameras that photograph passing vehicles and read their plates. Records are typically shared with the agency or association that operates the camera.
Flock Safety is a company whose plate-reader cameras are used by police departments, cities, HOAs and businesses. Its devices are usually solar-powered and pole-mounted.
CCTV cameras are fixed video cameras that record a street, building or other area.
Gunshot detectors are acoustic sensors that listen for gunfire and report its estimated location.
Within 2 miles of this home: 34+ restaurants and cafés, 13 grocery stores, 39+ parks and green spaces, and 28+ transit stops.
Place data from OpenStreetMap.
McDonald's
Revere Beach Parkway
Dunkin
Washington Avenue
Metro Pizza
Washington Avenue
Pizza Lovers
Washington Avenue
Rincon Latinos
Washington Avenue
Ho Win Palace
Chinese restaurant · Everett Avenue
KFC
Everett Avenue
Tres Gatos
Brazilian restaurant
Market Basket
Everett Avenue
Boston Flower Exchange
McKinnon's Market & Super Butcher
Supermercado Latino
Las Palmas Market
Portillo Brothers Market II
Ferry Street
99 Asian Supermarket
Broadway
Saratoga Market
Carter Park
Malone Park
Washington Park
Washington Park Playground
Sidney I. Shapiro Park
Anita's Garden
Judie Dyer Park
Jacob Scharf Park
Washington Ave @ Reynolds Ave
325 Washington Ave
Washington Ave @ Jefferson Ave
296 Washington Ave opp Jefferson Ave
Washington Ave @ Revere Beach Pkwy
Sagamore Ave @ Washington Ave
Summit Ave @ Lafayette Ave
Washington Ave opp Carmel St
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