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5 Hours Ago
Location
Sunnyvale, CA 94086, USA|Heritage District
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Property Overview
Castlemont Arms receives a strong Zumper Expert Rating of 8.2, reflecting its appeal to renters. It features a competitive price rating of 8 and exceptional amenities and location ratings of 9, indicating a balance of value and elevated quality of life. Additionally, this property is positioned in the 75th percentile for value for money, with a nearby top-rated elementary school just over 0.2 miles away, enhancing its overall desirability.
This summary uses Zumper’s proprietary data. “Zumper Expert Ratings” and “Things you’ll love” are based on our internal analyses of market trends and renter insights.
Things you’ll love
Elementary school nearby- Less expensive
- Laundry available on site
Floor plans
| JR One Bedroom | 1 bed | 1 bath | 675 sqft | |||
| One Bedroom One Bath | 1 bed | 1 bath | 775 sqft | |||
| 2 bed | 2 bed | 1 bath |
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Policies and fees
Applicants
Applicants
One-time.
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REQUIRED FEES
Security Deposit
One-time. Refundable.
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Building details
Property details
| Units | 94 |
|---|
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About Castlemont Arms
Located at Sunnyvale, CA 94086, USA, Castlemont Arms has 1 — 2 bedroom units available.Other apartment buildings in or around Sunnyvale include but are not limited to: 450 North Mathilda Avenue, 225 Union Avenue, 3455 Alameda De Las Pulgas, 275 Union Avenue
Zumper Expert Rating
Our expert rating is based on a weighted average score of property attributes that renters care about most: price, amenities, location, quality, and trust.
8.2
/10
Very GoodWith a solid 8.2 out of 10 overall, Castlemont Arms is a great option for renters. While some aspects, like Trustworthiness, might not be as distinguished as other properties nearby, Castlemont Arms has a number of attractive features—namely its Amenities— so you can be assured your rent will come with a high standard of living.
Price·8A score that weighs the cost and location of the property, which we calculate by comparing rent prices of recent units to the median price of nearby rentals, adjusting for overall quality and features.
Scoring a 8/10, Castlemont Arms is a great option for renters looking for apartments in Heritage District. The rent is significantly lower than the median rent for the area, therefore this property is competitively priced for its location and its features. Residents here will find a home that meets their needs with few trade-offs.
Amenities·9A score based on the amenities offered at this property compared to other rentals in the area. We consider the quantity, quality, and popularity of features both on site and within the units.
Castlemont Arms goes above and beyond to provide sought-after conveniences and desirable perks, including building or unit level amenities. Renters looking for popular or luxurious features will find them here—and for that reason, Castlemont Arms receives one of the highest amenities scores.
Location·9A score based on proximity and ease of access to shops, restaurants, schools, and public transportation while considering the desirability of the area.
Castlemont Arms is exceptional when it comes to location and conveniences. Communication with management or leasing staff is usually quick and easy and they often use advanced scheduling and communication tools to streamline the process. The location of this property offers easy access to popular points of interest in the area and options for getting around.
Quality·7A score based on what makes the property stand out, such as luxury features, unique offerings, age of the building, and our ability to verify the accuracy of these details.
While it may not have as many distinctive features as similar properties in the surrounding area, renters can trust Castlemont Arms to provide reasonable accomodations and accurate details about its community.
Trustworthiness·7A score based on the accuracy, completeness, recency, and usefulness of the information provided by this property, so you can trust that what you see is what you get.
Castlemont Arms provides some information about the features available in the community and its apartments, making it a reliable option for prospective renters. Renters should ask additional questions about amenities and non-negotiable items they are looking for.
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 Castlemont Arms compares to other nearby properties.
Positives
- Elementary school nearby
- There is an elementary school 0.2 mile away
- Less expensive
- The 1-bedrooms are cheaper than other similar listings nearby
- Laundry available on site
- Washers and dryers are available in-building or in-unit
- Outdoor space
- Easy access to the outdoors
Considerations
- Lacks images
- Fewer than 10 photos available for this location
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Rent trends in Heritage District
Median rents as of Dec 13 2025.
Heritage District
Sunnyvale
| Month | Median Rent |
|---|---|
| December 2023 | $2,075 |
| January 2024 | $2,050 |
| February 2024 | $2,081 |
| March 2024 | $2,175 |
| April 2024 | $2,186 |
| May 2024 | $2,191 |
| June 2024 | $2,316 |
| July 2024 | $2,880 |
| August 2024 | $2,948 |
| September 2024 | $3,005 |
| October 2024 | $2,924 |
| November 2024 | $2,543 |
| December 2024 | $2,785 |
| January 2025 | $2,967 |
| February 2025 | $2,986 |
| March 2025 | $2,901 |
| April 2025 | $2,568 |
| May 2025 | $2,531 |
| June 2025 | $2,655 |
| July 2025 | $2,628 |
| August 2025 | $2,460 |
| September 2025 | $2,431 |
| October 2025 | $2,479 |
| November 2025 | $2,519 |
| December 2025 | $2,800 |
| Month | Median Rent |
|---|---|
| July 2024 | $3,155 |
| August 2024 | $3,475 |
| September 2024 | $3,415 |
| October 2024 | $3,432 |
| November 2024 | $3,285 |
| December 2024 | $3,357 |
| January 2025 | $3,468 |
| February 2025 | $3,466 |
| March 2025 | $3,351 |
| April 2025 | $2,989 |
| May 2025 | $2,964 |
| August 2025 | $1,995 |
Schools near Castlemont Arms
Ellis Elementary School
550 e olive ave
sunnyvale, CA, 94086
K-5Public
B+
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Internet available near Castlemont Arms
Neighborhood
Heritage District | Sunnyvale, CA
NEIGHBORHOOD VIBE
Peaceful and quiet
Noise-canceling headphones not required in this mostly noise free area.
Getting around CA 94086 near Sunnyvale
Walking
6/10
Some shops and stores are within a few minutes.
Driving
8/10
This area is close to freeways and has adequate parking options.
Cycling
7/10
Peddling isn’t a problem with cyclist-friendly streets and bikeable destinations.
Transit
5/10
Frequent public transit options are within walking distance.
Points of interest for Sunnyvale, CA 94086
Groceries
8/10
At least one supermarket within a 10-minute walk
Shopping
6/10
Several shops within walking distance
Cafes
5/10
Some cafés within a few minutes’ walk
Restaurants
7/10
Variety of restaurants within a few minutes' walk
Primary schools
9/10
At least one elementary school within a 5-minute walk
High schools
1/10
Closest high school further than a 30-minute walk
Parks
5/10
Moderate amount of park space nearby
Nightlife
3/10
Some bars within walking distance
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