Updated 2 Days Ago
Highlights
Pet Friendly
Location
21 Castlegate Rd #3, Boston, MA 02121, USA|Dudley - Brunswick King
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Property Overview
21 Castlegate Rd #3 offers a mix of practical appeal and distinctive characteristics, with features that can make it attractive to a range of buyers. It stands out for its notable qualities while also providing advantages that support everyday living and long-term value.
This summary uses Zumper’s proprietary data. “Things you’ll love” and “Great for” are based on our internal analyses of market trends and renter insights.
Things you’ll love
High school nearby- Pet friendly
Great for
Eco living
Amenities for 21 Castlegate Rd #3, Dudley - Brunswick King
Apartment Amenities
| Deleaded | Hardwood Cabinet |
| Hardwood Floor |
Building
| Cats OK | Dogs OK |
Units, floor plans, amenities, dimensions, details, availability, and prices may be approximate and subject to change. Please contact a community representative for more information.
Policies and fees
Applicants
Applicants
One-time.
Contact Property
REQUIRED FEES
Security Deposit
One-time. Refundable.
Contact Property
Dog Policy
Allowed
Cat Policy
Allowed
Contact for more information on pet policy.
Questions about this property’s policies and fees?
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About 21 Castlegate Rd #3
Spacious 3-bedroom, 1-bath apartment in Dorchester featuring hardwood floors, generous room sizes, and plenty of natural light. Enjoy an updated eat-in kitchen with granite countertops, ample cabinet space, and modern appliances, plus a large living area with beautiful original woodwork and classic character. Convenient layout with three well-sized bedrooms. Housing Choice Vouchers/Section 8 and other rental assistance programs are welcome. Equal Housing Opportunity. Move-In Costs Fees: Last Month Rent: $3,390 First Month Rent: $3,390 Application Fee: $35 Disclaimer: We do not discriminate on the basis of age, race, color, sex, national origin, religion, disability, familial status (having children under the age of 18), military status, gender identity, sexual orientation, marital status, or receipt of public assistance including housing vouchers.
Property highlights
We compared every listing in the surrounding area to determine which amenities are most common. If a building lacks an amenity that most others in the area have, it is a con. If a building has an amenity most others in the area do not, it is a pro. Similarly, price, schools, and size are calculated relative to the size, price, and distance to schools of the other properties nearby.How 21 Castlegate Rd #3 compares to other nearby properties.
Positives
- High school nearby
- There is a high school 0.0 mile away
- Pet friendly
- This property allows pets
Considerations
- Greater distance from grade schools
- The nearest elementary school is farther than 0.4 mile away
Address details
| Neighborhood | Dudley - Brunswick King |
|---|---|
| Zip code | 02121 |
| Type | Apartment for rent |
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Rent trends in Dudley - Brunswick King
3-bedroom apartments at 21 Castlegate Rd #3 cost about the same as the average rent price for 3-bedroom apartments in Boston.
Median rents as of Sep 5 2026.
Dudley - Brunswick King
Boston
| Month | Median Rent |
|---|---|
| September 2024 | $3,900 |
| October 2024 | $3,898 |
| November 2024 | $4,075 |
| December 2024 | $4,200 |
| January 2025 | $4,212 |
| February 2025 | $4,175 |
| March 2025 | $4,072 |
| April 2025 | $4,080 |
| May 2025 | $4,010 |
| June 2025 | $3,998 |
| July 2025 | $3,959 |
| August 2025 | $3,934 |
| September 2025 | $3,900 |
| October 2025 | $3,836 |
| November 2025 | $3,940 |
| December 2025 | $4,225 |
| January 2026 | $4,275 |
| February 2026 | $4,207 |
| March 2026 | $4,200 |
| April 2026 | $4,193 |
| May 2026 | $4,200 |
| June 2026 | $4,118 |
| July 2026 | $3,975 |
| August 2026 | $3,900 |
| September 2026 | $3,900 |
| Month | Median Rent |
|---|---|
| September 2024 | $3,350 |
| October 2024 | $3,300 |
| November 2024 | $3,392 |
| December 2024 | $3,384 |
| January 2025 | $3,411 |
| February 2025 | $3,235 |
| March 2025 | $3,368 |
| April 2025 | $3,225 |
| May 2025 | $3,244 |
| June 2025 | $3,134 |
| July 2025 | $3,187 |
| August 2025 | $3,127 |
| September 2025 | $3,075 |
| October 2025 | $3,156 |
| November 2025 | $3,077 |
| December 2025 | $3,200 |
| January 2026 | $3,207 |
| February 2026 | $3,216 |
| March 2026 | $3,250 |
| April 2026 | $3,224 |
| May 2026 | $3,255 |
| June 2026 | $3,358 |
| July 2026 | $3,355 |
| August 2026 | $3,296 |
| September 2026 | $3,390 |
Affordability calculator
Can I afford to live at 21 Castlegate Rd #3?
Bedrooms
3 bedroomsRent-to-income ratio
30%
Slide to adjust the percentage of your monthly income you are willing to spend on rent.
The general rule of thumb is to spend around 30% or less of your income on rent.
Recommended income
$135,600/yr
With your selected rent-to-income ratio, you'd ideally want to make $135,600 annually to afford this 3-bedrooms monthly rent price of $3,390.
For more information on rent affordability, visit our rent calculator.
Schools near 21 Castlegate Rd #3
ABCD Walnut Grove Head Start
22 elm hill ave
dorchester, MA, 2121
PKPublic
ABCD South Boston Head Start - Mercer
125 mercer st
south boston, MA, 2127
PKPublic
Brookline Early Education Program at Clark Road
333 washington st
brookline, MA, 2445
PKPublic
ABCD South Boston Head Start
424 west broadway
south boston, MA, 2127
PKPublic
ABCD Allston Head Start
41 quint ave
allston, MA, 2134
PKPublic
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Internet available near 21 Castlegate Rd #3
Getting around Boston near 21 Castlegate Rd #3
Walking
10/10
No car? No problem. Everything you need is within a few blocks.
Driving
3/10
Roads are accessible, but parking may be a challenge.
Transit
9/10
Getting around is a breeze; rapid transit and bus lines are a few blocks away.
Points of interest for 21 Castlegate Rd #3, Boston
Groceries
9/10
At least one grocery store within a few minutes' walk
Shopping
7/10
Variety of shops within walking distance
Cafes
6/10
Some cafés within walking distance
Restaurants
7/10
Variety of restaurants within walking distance
Primary schools
10/10
At least one elementary school within a 5-minute walk
High schools
10/10
At least one high school within a 5-minute walk
Parks
10/10
Very large amount of park space within a few minutes' walk
Nightlife
3/10
Few or no bars within walking distance
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