Introducing unit #818 at the Echelon Seaport (135 Seaport Blvd), a captivating 8th-floor studio boasting a desirable sleeping alcove and abundant natural light from Southeast-facing windows. This contemporary living space includes garage parking and a thoughtful layout designed to maximize storage and comfort, featuring numerous owner upgrades in the closets and lighting. Residents can indulge in over 50,000 sqft of exceptional amenity space, which encompasses one indoor and two outdoor pools, a state-of-the-art fitness center with an indoor basketball court, sports/golf simulator, and yoga studio. The Club Level offers a cozy fireplace lounge, private dining room, and outdoor terraces equipped with grill stations and fire pits—perfect for hosting or relaxation. Enjoy 24/7 concierge services, doorman, and porters. The Sky Lounge & Terrace on the 22nd floor presents breathtaking views of the downtown skyline, ideal for gatherings and unwinding. Experience the pinnacle of luxury living!
View in the App
Save this property, schedule tours instantly, and get alerts when the price drops
| Year | Land | Building | Total | Change |
|---|---|---|---|---|
| FY2023 | $0 | $860,600 | $860,600 | — |
| Date | Price | Book/Page |
|---|---|---|
| Oct 21, 2022 | $1,075,000 | 68334/13 |
| Oct 5, 2022 | $1,649,000 | 68283/296 |
| Sep 27, 2022 | $1 | 68249/173 |
| Sep 23, 2022 | $1 | 68236/296 |
| Sep 15, 2022 | $1,219,500 | 68211/301 |
| Sep 6, 2022 | $1,119,000 | 68177/65 |
| Aug 29, 2022 | $3,000,000 | 68139/306 |
| Aug 18, 2022 | $1,169,900 | 68098/344 |
| Aug 12, 2022 | $100 | 68071/221 |
| Aug 11, 2022 | $4,495,000 | 68070/158 |
| Issued | Type / Work | Status | Value |
|---|---|---|---|
| May 20, 2026 |
Electrical Fire Alarms
FA
Fire Alarm
Permit #EFA1851308
|
Open | $5,200 |
| May 12, 2026 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1848035
|
Open | $60,000 |
| Apr 30, 2026 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1844061
|
Open | $3,600 |
| Apr 30, 2026 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1844059
|
Open | $6,000 |
| Apr 27, 2026 |
Long Form/Alteration Permit
INTEXT
Interior/Exterior Work
Permit #ALT1822318
|
Open | $652,869 |
| Apr 13, 2026 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1838581
|
Open | $6,000 |
| Apr 9, 2026 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1837498
|
Open | $15,000 |
| Apr 9, 2026 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1837482
|
Open | $40,000 |
| Apr 3, 2026 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1835752
|
Open | $98,000 |
| Apr 2, 2026 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1835376
|
Open | $13,000 |
| Mar 31, 2026 |
Short Form Bldg Permit
INTDEM
Demolition - Interior
Permit #SF1829540
|
Closed | $12,000 |
| Mar 30, 2026 |
Certificate of Occupancy
INTEXT
Interior/Exterior Work
Permit #COO1833255
|
Closed | $1,658,442 |
| Mar 24, 2026 |
Long Form/Alteration Permit
INTEXT
Interior/Exterior Work
Permit #ALT1819647
|
Open | $927,598 |
| Mar 17, 2026 |
Certificate of Occupancy
CHGOCC
Change Occupancy
Permit #COO1827804
|
Closed | $8,872,249 |
| Mar 12, 2026 |
Short Form Bldg Permit
SPCEVE
Special Events
Permit #SF1827495
|
Closed | $1 |
| Feb 20, 2026 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1822271
|
Open | $380,243 |
| Feb 5, 2026 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1818529
|
Closed | $7,400 |
| Dec 3, 2025 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1803618
|
Closed | $5,000 |
| Nov 3, 2025 |
Long Form/Alteration Permit
SIGNES
Signs
Permit #ALT1783408
|
Open | $31,294 |
| Nov 3, 2025 |
Long Form/Alteration Permit
SIGNES
Signs
Permit #ALT1783413
|
Open | $25,614 |
| Oct 30, 2025 |
Amendment to a Long Form
INTREN
Renovations - Interior NSC
Permit #A1787514
|
Closed | $500 |
| Sep 12, 2025 |
Long Form/Alteration Permit
FA
Fire Alarm
Permit #ALT1664579
|
Closed | $69,203 |
| Aug 25, 2025 |
Long Form/Alteration Permit
SIGNES
Signs
Permit #ALT1711331
|
Open | $1,500 |
| Aug 6, 2025 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1753589
|
Closed | $16,000 |
| Jul 31, 2025 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1747799
|
Closed | $35,000 |
| Jul 31, 2025 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1753638
|
Closed | $20,000 |
| Jul 30, 2025 |
Short Form Bldg Permit
OTHER
Other
Permit #SF1728647
|
Open | $49,000 |
| Jul 30, 2025 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1736125
|
Closed | $20,000 |
| Jul 21, 2025 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1745819
|
Closed | $830,000 |
| Jul 17, 2025 |
Gas Permit
GAS
Gas
Permit #G1745831
|
Open | $60,000 |
| Jul 10, 2025 |
Electrical Fire Alarms
FA
Fire Alarm
Permit #EFA1734566
|
Closed | $22,000 |
| Jul 10, 2025 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1734562
|
Closed | $570,000 |
| May 29, 2025 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1721851
|
Closed | $200,000 |
| May 28, 2025 |
Electrical Fire Alarms
FA
Fire Alarm
Permit #EFA1721857
|
Closed | $29,000 |
| May 28, 2025 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1721861
|
Closed | $6,000 |
| May 22, 2025 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1721895
|
Open | $290,000 |
| May 22, 2025 |
Gas Permit
GAS
Gas
Permit #G1721900
|
Open | $53,000 |
| May 8, 2025 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1714457
|
Closed | $5,000 |
| Apr 24, 2025 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1709994
|
Closed | $1,800 |
| Apr 16, 2025 |
Long Form/Alteration Permit
CHGOCC
Change Occupancy
Permit #ALT1688670
|
Closed | $8,550,046 |
| Apr 11, 2025 |
Long Form/Alteration Permit
SIGNES
Signs
Permit #ALT1623596
|
Open | $18,940 |
| Apr 2, 2025 |
Long Form/Alteration Permit
INTEXT
Interior/Exterior Work
Permit #ALT1680542
|
Closed | $1,658,442 |
| Mar 10, 2025 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1696602
|
Closed | $16,500 |
| Feb 24, 2025 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1693095
|
Closed | $15,000 |
| Feb 20, 2025 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1693166
|
Closed | $15,000 |
| Feb 18, 2025 |
Long Form/Alteration Permit
SIGNES
Signs
Permit #ALT1651572
|
Open | $1,925 |
| Feb 13, 2025 |
Long Form/Alteration Permit
INTEXT
Interior/Exterior Work
Permit #ALT1678800
|
Closed | $227,500 |
| Feb 12, 2025 |
Long Form/Alteration Permit
SIGNES
Signs
Permit #ALT1679624
|
Open | $14,380 |
| Jan 28, 2025 |
Certificate of Occupancy
CHGOCC
Change Occupancy
Permit #COO1679242
|
Closed | — |
| Dec 27, 2024 |
Certificate of Occupancy
CHGOCC
Change Occupancy
Permit #COO1679600
|
Closed | $421,049 |
| Dec 17, 2024 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1643536
|
Open | $40,929 |
| Dec 17, 2024 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1643540
|
Open | $19,193 |
| Nov 25, 2024 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1664386
|
Closed | $10,000 |
| Nov 8, 2024 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1663093
|
Closed | $2,000 |
| Nov 8, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1663084
|
Closed | $80,000 |
| Nov 8, 2024 |
Certificate of Occupancy
OTHER
Other
Permit #COO1669369
|
Closed | $550,000 |
| Nov 1, 2024 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1667206
|
Closed | $8,200 |
| Oct 28, 2024 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1666038
|
Closed | $48,000 |
| Oct 23, 2024 |
Electrical Fire Alarms
FA
Fire Alarm
Permit #EFA1663091
|
Closed | $10,000 |
| Oct 3, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1651739
|
Closed | $10,000 |
| Oct 1, 2024 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1656104
|
Open | $50,000 |
| Sep 30, 2024 |
Long Form/Alteration Permit
CHGOCC
Change Occupancy
Permit #ALT1639670
|
Open | $421,049 |
| Sep 17, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1653262
|
Closed | $15,000 |
| Sep 17, 2024 |
Long Form/Alteration Permit
CHGOCC
Change Occupancy
Permit #ALT1634983
|
Open | — |
| Sep 15, 2024 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1649249
|
Closed | $5,000 |
| Sep 12, 2024 |
Certificate of Occupancy
CHGOCC
Change Occupancy
Permit #COO1650980
|
Closed | $200,750 |
| Sep 12, 2024 |
Certificate of Occupancy
INTREN
Renovations - Interior NSC
Permit #COO1651030
|
Closed | $671,497 |
| Aug 28, 2024 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1645152
|
Closed | $1,500 |
| Aug 13, 2024 |
Electrical Fire Alarms
FA
Fire Alarm
Permit #EFA1631948
|
Closed | $14,500 |
| Aug 7, 2024 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1623531
|
Closed | $26,000 |
| Aug 1, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1630255
|
Closed | $58,000 |
| Jul 26, 2024 |
Long Form/Alteration Permit
SIGNES
Signs
Permit #ALT1600489
|
Open | $19,000 |
| Jul 25, 2024 |
Electrical Fire Alarms
FA
Fire Alarm
Permit #EFA1630404
|
Closed | $14,500 |
| Jul 23, 2024 |
Electrical Permit
SIGNES
Signs
Permit #E1627238
|
Open | $1,000 |
| Jul 18, 2024 |
Long Form/Alteration Permit
SIGNES
Signs
Permit #ALT1608478
|
Open | $22,944 |
| Jul 15, 2024 |
Long Form/Alteration Permit
OTHER
Other
Permit #ALT1598610
|
Open | $550,000 |
| Jul 2, 2024 |
Electrical Fire Alarms
FA
Fire Alarm
Permit #EFA1621927
|
Closed | $15,000 |
| Jul 2, 2024 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1621925
|
Closed | $2,000 |
| Jul 1, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1621523
|
Closed | $45,000 |
| Jun 26, 2024 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1614713
|
Open | $39,000 |
| Jun 19, 2024 |
Electrical Fire Alarms
FA
Fire Alarm
Permit #EFA1611642
|
Open | $9,500 |
| Jun 18, 2024 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1604462
|
Open | $25,500 |
| Jun 11, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1607364
|
Closed | $2,000 |
| Jun 6, 2024 |
Long Form/Alteration Permit
CHGOCC
Change Occupancy
Permit #ALT1581595
|
Open | $200,750 |
| Jun 4, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1606302
|
Closed | $70,000 |
| Jun 4, 2024 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1606306
|
Closed | $5,000 |
| May 23, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1605359
|
Closed | $4,000 |
| May 20, 2024 |
Long Form/Alteration Permit
INTREN
Renovations - Interior NSC
Permit #ALT1581588
|
Open | $671,497 |
| Feb 7, 2024 |
Certificate of Occupancy
CHGOCC
Change Occupancy
Permit #COO1567379
|
Closed | $365,000 |
| Feb 2, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1565938
|
Closed | $2,500 |
| Jan 26, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1565442
|
Open | $2,100 |
| Jan 19, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1563800
|
Closed | $8,000 |
| Jan 18, 2024 |
Long Form/Alteration Permit
SIGNES
Signs
Permit #ALT1553855
|
Open | $2,800 |
| Jan 12, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1526275
|
Closed | $33,000 |
| Jan 9, 2024 |
Long Form/Alteration Permit
SIGNES
Signs
Permit #ALT1550731
|
Open | $10,027 |
| Nov 14, 2023 |
Long Form/Alteration Permit
SIGNES
Signs
Permit #ALT1535029
|
Open | $1,800 |
| Nov 13, 2023 |
Certificate of Occupancy
OTHER
Other
Permit #COO1542937
|
Closed | $481,513 |
| Nov 7, 2023 |
Electrical Fire Alarms
FA
Fire Alarm
Permit #EFA1538556
|
Open | $1,200 |
| Nov 6, 2023 |
Long Form/Alteration Permit
SPRINK
Fire Protection/Sprinkler
Permit #ALT1540187
|
Open | $3,700 |
| Nov 2, 2023 |
Long Form/Alteration Permit
SIGNES
Signs
Permit #ALT1539198
|
Closed | $17,000 |
Discrepancies found between MLS and assessor records.
| Field | Assessor | MLS | Match |
|---|---|---|---|
| Year built | 2,018 | 2,020 | ✗ |
Seaport District
135 Seaport Blvd # 818, Boston MA 02210
Boston, MA 02210
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 04/26/2026 | ↓ Price Reduced | $799,000 | $40,000 | - | From $839,000 to $799,000 (-4.8%) |
| 03/05/2026 | 🏠 Listed for Sale | $839,000 | - | - | Original listing |
| 12/30/2020 | 🏷️ Previously Sold | $813,900 | - | - | MLS #72700721 |
Finding comparable properties...
Your message will be sent to BMN Boston Real Estate.
