Introducing Residence 15C/D at the St. Regis, Seaport—an unparalleled, fully reimagined showpiece residence of singular distinction. This magnificent waterfront home has been completely renovated and offers a breathtaking fusion of bespoke finishes, architectural refinement and sweeping Harbor views. A dramatic open-concept floor plan connects the kitchen, living, and dining areas, framed by a wall of state-of-the-art Air-Lux automated sliding windows that create a breathtaking indoor-outdoor lifestyle with the touch of a button. Highlights include a showstopping kitchen with top-of the-line appliances, a custom home office, wet bar and exquisite marble baths. The spacious primary suite is the epitome of luxury with custom designer closets and a lavish 5-piece bath. Residents enjoy white-glove amenities—an infinity pool, spa, sauna, steam room, hot tub, fitness center and clubroom—along with the legendary St. Regis five-star butler services, 24-hr concierge, and 3 valet garage parking.
View in the App
Save this property, schedule tours instantly, and get alerts when the price drops
| Year | Land | Building | Total | Change |
|---|---|---|---|---|
| FY2023 | $8,166,597 | $13,353,681 | $21,520,278 | — |
| Date | Price | Book/Page |
|---|---|---|
| Jun 21, 2018 | $1,950,000 | 59766/030 |
| Issued | Type / Work | Status | Value |
|---|---|---|---|
| May 8, 2026 |
Long Form/Alteration Permit
FA
Fire Alarm
Permit #ALT1835280
|
Open | $3,500 |
| Apr 16, 2026 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1827003
|
Open | $10,000 |
| Apr 10, 2026 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1838116
|
Open | $20,000 |
| Mar 25, 2026 |
Electrical Fire Alarms
FA
Fire Alarm
Permit #EFA1830516
|
Open | $5,000 |
| Mar 19, 2026 |
Gas Permit
GAS
Gas
Permit #G1829605
|
Open | $500 |
| Nov 12, 2025 |
Long Form/Alteration Permit
SPRINK
Fire Protection/Sprinkler
Permit #ALT1455434
|
Open | $5,000 |
| Sep 22, 2025 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1776339
|
Closed | $20,000 |
| Sep 15, 2025 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1773609
|
Closed | $147,276 |
| Aug 14, 2025 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1743631
|
Open | $521,868 |
| Jun 17, 2025 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1723992
|
Open | $12,000 |
| May 23, 2025 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1722927
|
Open | $10,000 |
| May 23, 2025 |
Gas Permit
GAS
Gas
Permit #G1722930
|
Open | $2,000 |
| May 8, 2025 |
Electrical Fire Alarms
FA
Fire Alarm
Permit #EFA1718830
|
Closed | $5,000 |
| May 6, 2025 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1711309
|
Closed | $20,000 |
| May 2, 2025 |
Certificate of Occupancy
CHGOCC
Change Occupancy
Permit #COO1704564
|
Closed | $135,000 |
| Apr 16, 2025 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1706454
|
Open | $7,700 |
| Apr 15, 2025 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1708574
|
Open | $30,000 |
| Mar 12, 2025 |
Long Form/Alteration Permit
CHGOCC
Change Occupancy
Permit #ALT1683029
|
Closed | $1,518,813 |
| Mar 7, 2025 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1672107
|
Closed | $6,000 |
| Mar 5, 2025 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1695987
|
Closed | $741,014 |
| Jan 16, 2025 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1683039
|
Open | $20,000 |
| Dec 16, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1675712
|
Closed | $25,000 |
| Dec 9, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1675659
|
Closed | $30,000 |
| Dec 9, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1672678
|
Open | $1,100 |
| Dec 9, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1675667
|
Closed | $15,000 |
| Dec 4, 2024 |
Gas Permit
GAS
Gas
Permit #G1675898
|
Closed | $2,500 |
| Dec 4, 2024 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1673299
|
Closed | $16,000 |
| Nov 6, 2024 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1661979
|
Closed | $592,199 |
| Sep 13, 2024 |
Gas Permit
GAS
Gas
Permit #G1648802
|
Open | $250 |
| Sep 9, 2024 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1648804
|
Closed | $25,000 |
| Sep 6, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1619070
|
Closed | $2,000 |
| Aug 12, 2024 |
Long Form/Alteration Permit
CHGOCC
Change Occupancy
Permit #ALT1616614
|
Closed | $135,000 |
| Jul 17, 2024 |
Certificate of Occupancy
ERECT
Erect
Permit #COO1615763
|
Closed | $177,499,487 |
| Jul 8, 2024 |
Certificate of Occupancy
ERECT
Erect
Permit #COO1369728
|
Closed | $176,213,487 |
| Jun 25, 2024 |
Short Form Bldg Permit
INTDEM
Demolition - Interior
Permit #SF1613178
|
Open | $15,000 |
| Mar 6, 2024 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1576532
|
Open | $4,000 |
| Jun 28, 2023 |
Certificate of Occupancy
INTREN
Renovations - Interior NSC
Permit #COO1488849
|
Closed | $3,456,915 |
| Jun 20, 2023 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1486653
|
Open | $8,000 |
| Jun 16, 2023 |
Long Form/Alteration Permit
SPRINK
Fire Protection/Sprinkler
Permit #ALT1479856
|
Closed | $10,990 |
| Jun 7, 2023 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1483015
|
Open | $2,000 |
| Jun 5, 2023 |
Short Form Bldg Permit
SPRINK
Fire Protection/Sprinkler
Permit #SF1480258
|
Open | $3,498 |
| May 10, 2023 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1473261
|
Closed | $5,000 |
| May 5, 2023 |
Short Form Bldg Permit
SPRINK
Fire Protection/Sprinkler
Permit #SF1471191
|
Closed | $5,000 |
| Apr 27, 2023 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1465863
|
Closed | $5,000 |
| Apr 20, 2023 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1462964
|
Open | $98,737 |
| Apr 13, 2023 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1461844
|
Open | $15,000 |
| Mar 29, 2023 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1452511
|
Open | $5,000 |
| Mar 25, 2023 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1443093
|
Open | $10,000 |
| Mar 20, 2023 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1448294
|
Closed | $94,751 |
| Feb 16, 2023 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1441982
|
Closed | $6,200 |
| Feb 8, 2023 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1438913
|
Closed | $5,000 |
| Feb 1, 2023 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1434148
|
Open | $50,000 |
| Feb 1, 2023 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1434164
|
Open | $50,000 |
| Jan 30, 2023 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1435925
|
Closed | $140,000 |
| Jan 27, 2023 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1433085
|
Closed | $19,645 |
| Jan 19, 2023 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1432842
|
Open | $154,556 |
| Jan 19, 2023 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1433608
|
Open | $12,705 |
| Jan 18, 2023 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1433398
|
Closed | $3,800 |
| Jan 18, 2023 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1432683
|
Open | $14,790 |
| Jan 13, 2023 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1432684
|
Closed | $3,000 |
| Jan 10, 2023 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1431496
|
Open | $20,000 |
| Dec 20, 2022 |
Short Form Bldg Permit
INTREN
Renovations - Interior NSC
Permit #SF1421399
|
Open | $178,595 |
| Dec 15, 2022 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1422641
|
Closed | $1,000 |
| Nov 2, 2022 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1408557
|
Open | $35,000 |
| Sep 26, 2022 |
Amendment to a Long Form
SPRINK
Fire Protection/Sprinkler
Permit #A1391808
|
Open | $50 |
| Sep 19, 2022 |
Short Form Bldg Permit
SPCEVE
Special Events
Permit #SF1393382
|
Open | $50 |
| Sep 15, 2022 |
Electrical Fire Alarms
FA
Fire Alarm
Permit #EFA1392290
|
Closed | $34,500 |
| Sep 15, 2022 |
Electrical Permit
ELECTRICAL
Electrical
Permit #E1392286
|
Closed | $509,000 |
| Aug 22, 2022 |
Gas Permit
GAS
Gas
Permit #G1378695
|
Open | $16,000 |
| Aug 17, 2022 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1378689
|
Open | $400,000 |
| Aug 9, 2022 |
Electrical Fire Alarms
FA
Fire Alarm
Permit #EFA1332305
|
Open | $10,000 |
| Jul 22, 2022 |
Electrical Fire Alarms
FA
Fire Alarm
Permit #EFA1338647
|
Open | $10,000 |
| Jul 12, 2022 |
Long Form/Alteration Permit
CHGOCC
Change Occupancy
Permit #ALT1359302
|
Open | — |
| Jul 12, 2022 |
Gas Permit
GAS
Gas
Permit #G1358725
|
Open | $25,000 |
| Jul 8, 2022 |
Plumbing Permit
PLUMBING
Plumbing
Permit #PL1354318
|
Open | $250,000 |
| Apr 22, 2022 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1319274
|
Open | $74,375 |
| Apr 21, 2022 |
Long Form/Alteration Permit
INTREN
Renovations - Interior NSC
Permit #ALT1281195
|
Closed | $3,445,925 |
| Mar 4, 2022 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1300198
|
Open | $300,000 |
| Feb 15, 2022 |
Long Form/Alteration Permit
CHGOCC
Change Occupancy
Permit #ALT1182177
|
Closed | $1,000,000 |
| Jan 21, 2022 |
Gas Permit
GAS
Gas
Permit #G1288896
|
Open | $5,000 |
| Jan 6, 2022 |
Gas Permit
COB
City of Boston
Permit #G1283034
|
Open | $5,000 |
| Nov 24, 2021 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1271176
|
Closed | $275,000 |
| Sep 9, 2021 |
Electrical Low Voltage
LVOLT
Low Voltage
Permit #ELV1247492
|
Open | $356,200 |
Seaport District
150 Seaport Boulevard, Boston MA 02210
Boston, MA 02210
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 05/11/2026 | ↓ Price Reduced | $35,000 | $5,000 | - | From $40,000 to $35,000 (-12.5%) |
| 04/21/2026 | 🏠 Listed for Sale | $40,000 | - | - | Original listing |
| 08/24/2025 | 🏷️ Previously Sold | $4,450,000 | - | - | MLS #73420847 |
| 08/21/2025 | 🏷️ Previously Sold | $4,650,000 | - | - | MLS #73419234 |
| 12/03/2024 | 🏷️ Previously Sold | $8,899,000 | - | - | MLS #73280314 |
| 07/17/2024 | 🏷️ Previously Sold | $20,348,000 | - | - | MLS #73260635 |
Finding comparable properties...
Your message will be sent to Steven Novak.
