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Annex on 12Th 1 of 8

Annex on 12Th

$2,061 – $10,950/mo

  • 416–1,381 sq ft
  • 45 units available
  • Pet friendly
300 12th St Sw, Washington, DC, 20024

As of October 14, 2026, Annex on 12Th in Washington, DC has 45 apartments for rent from $2,061 to $10,950/mo. The average asking rent has risen 7.2% since July 15, 2026, from $3,388 to $3,633.


Floor plans

Annex on 12Th has 45 units available across 31 floor plans. Prices checked October 14, 2026.

S11

429 Sq Ft

Starting at $2,061/mo

1 available unitPriceSq ftAvailableOpen unit
0278$2,061429Oct 22

S1

416 Sq Ft

Starting at $2,107/mo

5 available unitsPriceSq ftAvailableOpen unit
0324$2,227416Oct 7
0424$2,242416Oct 12
0175$2,107416Oct 31
0322$2,177416Nov 16
0275$2,157416Nov 20

S2

419 Sq Ft

Starting at $2,186/mo

1 available unitPriceSq ftAvailableOpen unit
0262$2,186419Dec 31

S4

421 Sq Ft

Starting at $2,267/mo

1 available unitPriceSq ftAvailableOpen unit
0259$2,267421Nov 19

S13H

557 Sq Ft

Starting at $2,361/mo

1 available unitPriceSq ftAvailableOpen unit
0510$2,361557Sep 14

S5H

469 Sq Ft

Starting at $2,361/mo

1 available unitPriceSq ftAvailableOpen unit
0618$2,361469Oct 31

S29H

595 Sq Ft

Starting at $2,471/mo

1 available unitPriceSq ftAvailableOpen unit
0708$2,471595Jan 22

AU5

623 Sq Ft

Starting at $2,489/mo

2 available unitsPriceSq ftAvailableOpen unit
0154$2,489623Sep 28
0252$2,639623Oct 15

AU8

593 Sq Ft

Starting at $2,624/mo

1 available unitPriceSq ftAvailableOpen unit
0181$2,624593Nov 4

AU2

677 Sq Ft

Starting at $2,645/mo

1 available unitPriceSq ftAvailableOpen unit
0268$2,645677Sep 28

AU3

558 Sq Ft

Starting at $2,649/mo

1 available unitPriceSq ftAvailableOpen unit
0869$2,649558Sep 28

AU6H

684 Sq Ft

Starting at $2,784/mo

2 available unitsPriceSq ftAvailableOpen unit
0314$2,784684Dec 1
0608$2,865684Dec 9

AU7

658 Sq Ft

Starting at $3,005/mo

2 available unitsPriceSq ftAvailableOpen unit
0629$3,015658Oct 10
0529$3,005658Oct 19

A13

550 Sq Ft

Starting at $3,067/mo

1 available unitPriceSq ftAvailableOpen unit
0927$3,067550Aug 19

A7

710 Sq Ft

Starting at $3,138/mo

1 available unitPriceSq ftAvailableOpen unit
0850$3,138710Nov 6

A26

816 Sq Ft

Starting at $3,148/mo

1 available unitPriceSq ftAvailableOpen unit
0291$3,148816Sep 10

A20H

644 Sq Ft

Starting at $3,356/mo

1 available unitPriceSq ftAvailableOpen unit
0305$3,356644Oct 31

A5H

645 Sq Ft

Starting at $3,386/mo

2 available unitsPriceSq ftAvailableOpen unit
0711$3,406645Sep 10
0511$3,386645Dec 7

A18

737 Sq Ft

Starting at $3,998/mo

1 available unitPriceSq ftAvailableOpen unit
1214$3,998737Dec 7

A29

772 Sq Ft

Starting at $4,004/mo

1 available unitPriceSq ftAvailableOpen unit
1205$4,004772Oct 8

A11

774 Sq Ft

Starting at $4,033/mo

3 available unitsPriceSq ftAvailableOpen unit
1215$4,033774Oct 7
1213$4,033774Oct 17
1117$4,268774Nov 30

BU1

1,104 Sq Ft

Starting at $4,062/mo

1 available unitPriceSq ftAvailableOpen unit
0348$4,0621,104Sep 28

A22

778 Sq Ft

Starting at $4,088/mo

1 available unitPriceSq ftAvailableOpen unit
1204$4,088778Dec 2

BU2

973 Sq Ft

Starting at $4,236/mo

1 available unitPriceSq ftAvailableOpen unit
1110$4,236973Dec 28

AD1

998 Sq Ft

Starting at $4,566/mo

1 available unitPriceSq ftAvailableOpen unit
0820$4,566998Oct 7

B1

1,055 Sq Ft

Starting at $4,654/mo

4 available unitsPriceSq ftAvailableOpen unit
0467$5,1141,055Jul 16
0293$4,6541,055Aug 31
0867$5,0791,055Oct 1
0967$4,8141,055Dec 3

B11

1,006 Sq Ft

Starting at $4,793/mo

1 available unitPriceSq ftAvailableOpen unit
0953$4,7931,006Nov 28

B12

1,059 Sq Ft

Starting at $5,538/mo

2 available unitsPriceSq ftAvailableOpen unit
1211$5,5381,059Jun 19
1111$6,0631,059Sep 28

C1

1,284 Sq Ft

Starting at $5,705/mo

1 available unitPriceSq ftAvailableOpen unit
0921$5,7051,284Sep 28

PHA1

789 Sq Ft

Starting at $7,880/mo

1 available unitPriceSq ftAvailableOpen unit
PH01$7,880789Sep 10

PHC

1,381 Sq Ft

Starting at $10,950/mo

1 available unitPriceSq ftAvailableOpen unit
PH05$10,9501,381Jul 1

See all 106 units listed at Annex on 12Th, including ones no longer available.


Rent history

Over the past year, the average asking rent at Annex on 12Th has ranged from $3,024 to $3,863. The current average is $3,633, up $245 (7.2%) from $3,388 at the start.

Prices reflect the average advertised rent across units listed as available each day (72 days observed).

Fees & lease terms

The listing for Annex on 12Th shows $566.08 a month in fees (parking $500, pet rent $50, renters liability/content property program $16.08) and $1,050 due at signing (community amenity fee $500, security deposit $500, application fee $50).

  • Rent

    $2,061 – $10,950/mo
  • Earliest move-in

    Jan 22

Monthly fees

Parking

$500/mo

Pet Rent

$50/mo

Renters Liability/Content - Property Program

$16.08/mo

Due at signing

Application Fee

$50

Community Amenity Fee

$500

Security Deposit (Refundable)

$500

Amenities

Annex on 12Th is pet friendly and has in-unit washers and dryers. It lists 16 amenities, including fitness center, swimming pool, and patio/balcony.

  • Dedicated Yoga Space And Spin Studio

  • Dishwasher

  • Fitness Center

  • Garden Lounge With Stylish Bar In Serene Setting

  • High-End Fitness Center With Weights, Cardio Machines, Tvs

  • Orangerie With Seating And Kitchen Space

  • Patio/Balcony

  • Pet Friendly

  • Private Dining Space With Sweeping Views

  • Private Media Lounge With Kitchen Space

  • Rooftop Infinity Pool, Views Of National Mall

  • Rooftop Lounge, Outfitted For Entertaining

  • Smoke Free

  • Speakeasy Lounge Offers A Convivial Yet Secluded Haven

  • Swimming Pool

  • Washer/Dryer


Amenity photos

  • Lobby
    2 photos

Location

300 12th St Sw, Washington, DC, 20024


Resident reviews

Annex on 12Th has a 4.7 out of 5 rating from more than 100 resident reviews. Residents rate location (4.7) and management (4.6) highest and building quality (4.0) lowest.

4.7 · 100+ reviews
Overall rating
Positive
Mixed
Neutral
Negative
Management4.6
Amenities and Shared Spaces4.3
Location4.7
Building Quality4.0
Maintenance4.1
Overall89 reviews

Annex on 12th delivers a consistently positive resident experience centered on exceptional staff service, well-maintained facilities, and premium amenities in a prime location near the National Mall and Wharf. Residents praise responsive maintenance, professional leasing and concierge teams, and thoughtfully designed common spaces including a 24/7 gym, rooftop pool, and speakeasy. Minor concerns include soundproofing limitations in some units, elevated parking fees ($500/month), and occasional communication gaps during system transitions, though these issues affect a small portion of the resident base.

Management and leasing staff consistently receive praise for responsiveness, professionalism, and attentiveness to resident needs. The leasing team is noted for guiding prospective residents through the application process with patience and clarity, while office and concierge staff maintain a welcoming, service-oriented approach. A small number of reviews note that staff communication and efficiency could be improved, though this represents a minority perspective among the selected reviews.

Residents consistently praise the property's extensive and well-maintained amenities, including a 24/7 gym, rooftop pool, courtyard, speakeasy, and coffee café. The shared spaces are described as clean, luxuriously appointed, and thoughtfully designed. Location near metro stations, monuments, and museums is frequently highlighted as a major convenience. Maintenance and staff responsiveness to requests are noted as reliable and efficient.

The property offers exceptional walkability to major DC attractions including the National Mall, Wharf, and nearby metro access, making it highly convenient for residents without personal vehicles. Most residents praise the central location's proximity to restaurants, shops, and recreational areas, though one resident noted that proximity to train tracks creates noise concerns in some units. Transit access via the Smithsonian metro stop and nearby bus stops is consistently highlighted as a major location advantage.

The building features recently renovated spaces with high-quality finishes, thick walls providing good noise insulation, and well-maintained common areas including a gym and rooftop. Residents consistently praise the cleanliness and thoughtful design of the property. One resident noted external train noise as a location-specific concern, and another mentioned staff communication could be more efficient, but overall building condition and upkeep receive strong positive feedback.

Maintenance response is generally prompt, with most requests addressed within 24–72 hours and staff described as respectful and helpful. However, one resident experienced a no-show after scheduling a request through the portal, and several maintenance issues (sewer odor, plaster/paint damage, door touch-up, water temperature adjustment) remained unresolved. Overall satisfaction is high, though follow-through on scheduled work orders and communication consistency could be improved.

Summaries are written by AI from reviews residents posted on public review sites such as Google and ApartmentRatings. Each topic shows how many of those reviews discuss it.

Getting around

Annex on 12Th is somewhat walkable and somewhat bikeable, and transit is excellent.

Walking
Somewhat walkable
Grade D+
Transit
Excellent
Grade A
Biking
Somewhat bikeable
Grade D

Climate and air quality

Air quality near Annex on 12Th was good on 150 of the past 365 days, and at its worst in July (average AQI 75, moderate). Daily highs averaged 89°F in July, the warmest month, and lows averaged 24°F in January, the coldest.

Air quality

150 good-air days

of the past 365

: Moderate, AQI 52

Temperature

89° / 24°

average July high / January low

: 89° high, 65° low

Pollen

Low

Oct 14–18 forecast

Tree: none, grass: none, weed: low

MonthAverage highAverage lowAverage AQIGood-air days
January38°F24°F53 (moderate)15 of 31
February42°F26°F67 (moderate)8 of 28
March62°F40°F51 (moderate)15 of 31
April73°F51°F51 (moderate)14 of 30
May75°F56°F52 (moderate)14 of 31
June86°F67°F55 (moderate)8 of 30
July89°F71°F75 (moderate)3 of 31
August86°F70°F60 (moderate)5 of 31
September79°F64°F52 (moderate)14 of 30
October69°F51°F48 (good)17 of 31
November56°F40°F46 (good)20 of 30
December43°F28°F50 (good)17 of 31
Daily readings from Oct 15, 2025 to Oct 14, 2026. The pollen chart shows typical US seasons.

About this property

Annex on 12Th is a 562-unit building in Washington, DC.

Just steps from the National Mall, an extraordinary SW DC apartment community effortlessly weaves together an alluring mix of historic character, contemporary style, effortless city access, and unexpected tranquility. Annex on 12th is a unique expression of past, present and future that invites you to craft an enduring story of your own. Contact us today to find your next perfect home!

  • Building

    Apartment · High-Rise
  • Total units

    562

Nearby schools

The closest school to Annex on 12Th is Dot Child Development Center, a private elementary school 0.3 miles away. The closest public school is Jefferson Middle School Academy, 0.5 miles away.

SchoolTypeLevelDistance

Dot Child Development Center

Private · Elementary
PrivateElementary0.3 mi

Washington Global Public Charter School

Charter · Middle
CharterMiddle0.5 mi

Jefferson Middle School Academy

Public · Middle
PublicMiddle0.5 mi

AppleTree Early Learning PCS - Amidon (Southwest)

Charter · Preschool
CharterPreschool0.5 mi

Richard Wright PCS

Charter · High
CharterHigh0.5 mi

Amidon-Bowen Elementary School

Public · Elementary
PublicElementary0.7 mi

Appletree Early Learning Public Charter School - Waterfront Station

Charter · Preschool
CharterPreschool0.8 mi

Waterfront Academy

Private · High
PrivateHigh1.0 mi

The Montessori School Of Washington

Private · Elementary
PrivateElementary1.0 mi

Waterfront Academy

Private · Middle
PrivateMiddle1.0 mi

Contact & management

Annex on 12Th is managed by Greystar. The leasing office's phone number is 202-979-7690.


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