Overview Property Details Payment Calculator Walkability

Add to favorites

Remove from favorites
Send to Friend
Watch changes on this property

Active

99 Sumner St # 312, Boston MA 02128

$999,000

Estimated $6,816/month Calculator

Condo

2 Bedrooms

Baths

1085

Total Parking: 2 (1 Garage)

Built in 2020

The Mark

Welcome to Unit 312 at The Mark, a 1,085 sqft 2-bed, 2-bath condo offering luxury waterfront living on East Boston's waterfront. The high-end kitchen ft. stainless steel appliances, quartz countertops, and custom cabinetry flows seamlessly into a sun-filled living space w/ southeast-facing exposure. The primary suite includes a huge walk-in closet and spacious ensuite bath. Step onto your private balcony for sweeping views of Boston Harbor, the downtown skyline, and the New Year's Eve fireworks. Includes 1 garage parking spot and a storage unit. The Mark delivers resort-style amenities: 24/7 concierge, fitness center, golf simulator, pet spa, library, clubroom and lounge, and a courtyard w/ grills and firepit, all just minutes from downtown Boston.

This home has been viewed 12 times

Last Checked: May 12th, 2026 at 6:33am (Source: MLS PIN #73514835)

Garage Parking

Air Conditioning

Waterview

Lead Paint Free

General Information for 99 Sumner St # 312, Boston MA 02128

Listing ID73514835

Property TypeCondominium

Price999000 ($920.74/SqFt)

Building Style2/3 Family

CityBoston

CountySuffolk

MLS AreaEast Boston's Jeffries Point

Neighborhood(s)

Total Parking2 (1 Garage)

Unit Level3

Levels in Unit1

Year Built2020

Year Built SourcePublic Records

Year Built DetailsActual

Building Construction Status

Zoning0102

Unit Features for 99 Sumner St # 312, Boston MA 02128

Approximate Living Area Total1085

Living Area Includes BasementNo

Rooms5

Bedrooms2

Primary En Suite BathroomYes

BasementFull

Cooling1, Split

Laundry

Fireplaces

Outdoor SpaceNo

FlooringTile

Electric

AppliancesRange

Condo Association Features for 99 Sumner St # 312, Boston MA 02128

Complex NameThe Mark

Pet PolicyNot Allowed

Building Management

Building Construction Status

Number of Units107

Year Built2020

Year Built DetailsActual

Year Built SourcePublic Records

WaterPublic

SewerPublic Sewer

Parking Features1

Building AmenitiesBeach Rights

Disclosures for 99 Sumner St # 312, Boston MA 02128

Lead PaintNone

UFFI

Living Area Includes BasementNo

Living Area Disclosure

Building Area SourcePublic Records

Special Listing Conditions

ExclusionsWasher

Compensation Based On

Documents Available

Financial Information for 99 Sumner St # 312, Boston MA 02128

Association Fee

Optional Fee0

Association Fee IncludesLandscaping

Optional Fee Includes

Association Fee FrequencyMonthly

Assessed Value$984,900

Real Estate Tax7925.21

Tax Year2026

Location Information for 99 Sumner St # 312, Boston MA 02128

Neighborhood(s)

MLS AreaEast Boston's Jeffries Point

Area AmenitiesWalk/jog Trails

Contact Information for 99 Sumner St # 312, Boston MA 02128

Agent

Name: The RP Group

Office

Name: Compass

Phone: 617-206-3333

Team Members

Payment Calculator

, Interest

Property Taxes 660.43

Principal & Interest 6155.52

HOA Dues

Term

Interest

Home Price

Down Payment

Exclusive Listing Agent

Compass

The RP Group

Agent Phone

Office Phone

(617) 206-3333

Text Agent Call Agent Call Office

Array
(
    [acres] => Approx. 0 acres (0 SqFt)
    [add_date] => 2026-05-08 09:03:37
    [address] => Sumner St
    [agent] => Array
        (
            [address] => 
            [city] => 
            [id] => CT003563
            [name] => The RP Group
            [national_association] => 
            [office] => AN2383
            [state] => 
            [zip] => 
        )

[apod_available] => Array
        (
        )

[appliances] => Array
        (
            [0] => Range
        )

[approx_living_area_total] => 1085
    [approx_lot_size_acres] => 0
    [approx_lot_size_sqft] => 0
    [assessed_value] => $984,900
    [association] => 
    [association_fee] => Array
        (
        )

[association_fee_frequency] => Array
        (
            [0] => Monthly
        )

[association_fee_includes] => Array
        (
            [0] => Landscaping
        )

[association_required] => Array
        (
        )

[available_date] => 
    [available_now] => 0
    [basement] => Array
        (
            [0] => Full
        )

[bathrooms] => 
    [bedrooms] => 2
    [building_amenities] => Array
        (
            [0] => Beach Rights
        )

[building_area_source] => Array
        (
            [0] => Public Records
        )

[building_management] => Array
        (
        )

[building_debug] => 
    [building_id] => 
    [building_parent] => 516360
    [building_name] => The Mark
    [building_name_from_address] => 
    [building_url] => https://www.bostonrealestate.com/buildings/the-mark-at-denormandie-wharf/
    [buyer_agent_compensation] => 
    [buyer_agent_id] => 
    [buyer_office_id] => 
    [c_style] => Array
        (
        )

[c_type] => Array
        (
            [0] => Condominium
        )

[cap_rate] => 
    [city] => Boston
    [community_features] => Array
        (
            [0] => Walk/jog Trails
        )

[compensation_based_on] => Array
        (
        )

[complex_complete] => Array
        (
        )

[construction_materials] => Array
        (
        )

[construction_status] => 
    [cooling] => Array
        (
            [0] => 1
            [1] => Split
        )

[cooperating_agent_commission] => Array
        (
        )

[county] => Suffolk
    [cultivation_acres] => 
    [date_available_note] => 
    [deposit_amount] => Array
        (
        )

[deposit_required] => Array
        (
        )

[deqe] => 
    [description] => Welcome to Unit 312 at The Mark, a 1,085 sqft 2-bed, 2-bath condo offering luxury waterfront living on East Boston's waterfront. The high-end kitchen ft. stainless steel appliances, quartz countertops, and custom cabinetry flows seamlessly into a sun-filled living space w/ southeast-facing exposure. The primary suite includes a huge walk-in closet and spacious ensuite bath. Step onto your private balcony for sweeping views of Boston Harbor, the downtown skyline, and the New Year's Eve fireworks. Includes 1 garage parking spot and a storage unit. The Mark delivers resort-style amenities: 24/7 concierge, fitness center, golf simulator, pet spa, library, clubroom and lounge, and a courtyard w/ grills and firepit, all just minutes from downtown Boston.
    [disclosures] => 
    [documents_available] => Array
        (
        )

[electric] => Array
        (
        )

[electric_expense] => Array
        (
        )

[elementary_school] => 
    [en_suite_bath] => Array
        (
            [0] => Yes
        )

[energy_features] => 
    [entry_level] => Array
        (
        )

[estimated_monthly_payment] => 
    [exclusions] => Array
        (
            [0] => Washer
        )

[exterior_features] => Array
        (
            [0] => Porch
        )

[facilitator_compensation] => 
    [fee_paid_by_tennant] => 
    [financial_data_source] => Array
        (
        )

[fireplaces] => Array
        (
        )

[first_month_required] => Array
        (
        )

[floor_number] => 0
    [flooring] => Array
        (
            [0] => Tile
        )

[for_sale_by_owner] => 
    [foundation_area] => 
    [foundation_materials] => Array
        (
        )

[frontage_length] => 
    [full_baths] => 
    [garage_parking] => 1
    [gas] => Array
        (
        )

[gas_expense] => Array
        (
        )

[gross_income] => Array
        (
        )

[half_baths] => 
    [handicap_access] => 
    [heating] => 
    [heating_expense] => Array
        (
        )

[high_school] => 
    [horse_features] => Array
        (
            [0] => River
        )

[horse_permitted] => 0
    [hot_water] => Array
        (
        )

[id] => 
    [insurance_expense] => Array
        (
        )

[insurance_required] => Array
        (
        )

[interior_features] => Array
        (
        )

[last_month_required] => Array
        (
        )

[last_sync_date] => 2026-05-12 06:33:34
    [laundry_features] => Array
        (
        )

[lead_paint] => Array
        (
            [0] => None
        )

[lease_term] => Array
        (
        )

[levels_in_unit] => 1
    [living_area] => 
    [living_area_disclosure] => Array
        (
        )

[living_area_includes_basement] => Array
        (
            [0] => No
        )

[lot_features] => Array
        (
        )

[management_expense] => Array
        (
        )

[middle_school] => 
    [miscellaneuos_expense] => Array
        (
        )

[mls_area] => East Boston's Jeffries Point
    [mls_id] => 73514835
    [neighborhoods] => 
    [net_income_calc] => -7925
    [net_operating_income] => Array
        (
        )

[number_of_lots] => Array
        (
        )

[number_of_units] => 107
    [office] => Array
        (
            [id] => AN2383
            [name] => Compass
            [phone] => 617-206-3333
        )

[operating_expense] => Array
        (
        )

[optional_fee_includes] => Array
        (
        )

[optional_price] => 0
    [outdoor_space_available] => Array
        (
            [0] => No
        )

[owner_occupancy_source] => 
    [parking_features] => Array
        (
            [0] => 1
        )

[pasture_area] => 
    [patio_and_porch] => Array
        (
        )

[perc_test] => Array
        (
        )

[perc_test_date] => 
    [pet_policy] => Array
        (
            [0] => Not Allowed
        )

[phone] => 
    [pool_features] => Array
        (
        )

[price] => 999000
    [price_per_sqft] => 920.74
    [price_per_unit] => 9336.4485981308
    [private_pool] => 
    [property_sub_type] => Array
        (
            [0] => Condominium
        )

[real_estate_tax] => 7925.21
    [references_required] => Array
        (
        )

[rent_includes] => Array
        (
        )

[repair_maintenance_expense] => Array
        (
        )

[road_frontage_type] => Array
        (
        )

[roof_material] => Array
        (
            [0] => Asphalt/fiberglass Shingles
        )

[rooms] => 5
    [schools] => 
    [senior_community] => 
    [sewer] => Array
        (
            [0] => Public Sewer
        )

[sewer_expense] => Array
        (
        )

[short_sale] => Array
        (
        )

[special_listing_conditions] => Array
        (
        )

[state] => Massachusetts
    [state_code] => MA
    [status] => Array
        (
            [0] => Active
        )

[street_number] => 99
    [structure_type] => Array
        (
            [0] => 2/3 Family
        )

[style] => Array
        (
        )

[subagent_compensation] => 
    [tag_accessible_features] => 
    [tag_air_conditioning] => 1
    [tag_association_pool] => 
    [tag_beach_access] => 
    [tag_beach_front] => 
    [tag_elevator] => 
    [tag_equestrian] => 
    [tag_garage_parking] => 1
    [tag_generator] => 
    [tag_green_features] => 
    [tag_laundry] => 
    [tag_lead_paint_free] => 1
    [tag_loft] => 
    [tag_pet_friendly] => 
    [tag_pre_construction] => 
    [tag_private_outdoor_space] => 
    [tag_private_pool] => 
    [tag_professional_management] => 
    [tag_recently_renovated] => 
    [tag_senior_community] => 
    [tag_townhouse] => 
    [tag_waterfront] => 1
    [tag_waterview] => 1
    [tax_year] => 2026
    [team] => CT003563
    [team_agents] => Array
        (
            [CT003563] => Array
                (
                    [agent_mls_id] => CT003563
                    [full_name] => Sam Reifman-Packett
                    [address] => 71 Sawyer Avenue #3
                    [city] => Dorchester
                    [state] => MA
                    [postal_code] => 02125
                    [national_association_id] => 449588135
                    [office_mls_id] => AN2383
                )

)

[terms] => Array
        (
        )

[timber_acres] => 
    [title_5] => 
    [total_gross_expense] => 7925
    [total_gross_income] => 0
    [total_parking] => 2 (1 Garage)
    [trash_expense] => Array
        (
        )

[travel_routes] => 
    [uffi] => Array
        (
        )

[unit_1_bathrooms] => 
    [unit_1_bedrooms] => 
    [unit_1_floor] => 
    [unit_1_lease] => Array
        (
        )

[unit_1_levels] => 
    [unit_1_rent] => Array
        (
        )

[unit_2_bathrooms] => 
    [unit_2_bedrooms] => 
    [unit_2_floor] => 
    [unit_2_lease] => Array
        (
        )

[unit_2_levels] => 
    [unit_2_rent] => Array
        (
        )

[unit_3_bathrooms] => 
    [unit_3_bedrooms] => 
    [unit_3_floor] => 
    [unit_3_lease] => Array
        (
        )

[unit_3_levels] => 
    [unit_3_rent] => Array
        (
        )

[unit_4_bathrooms] => 
    [unit_4_bedrooms] => 
    [unit_4_floor] => 
    [unit_4_lease] => Array
        (
        )

[unit_4_levels] => 
    [unit_4_rent] => Array
        (
        )

[unit_level] => 3
    [unit_number] => 312
    [units_owner_occupied] => 
    [unparsed] => 99 Sumner St # 312, Boston MA 02128
    [utilities] => Array
        (
        )

[view] => Array
        (
        )

[water] => Array
        (
            [0] => Public
        )

[water_expense] => Array
        (
        )

[water_views] => Array
        (
            [0] => Yes
        )

[water_views_features] => Array
        (
        )

[waterfront] => 1
    [waterfront_features] => Array
        (
            [0] => River
        )

[raw] => 
)

EXIT

22 More Photos