Office

55 Summer Street

55 Summer Street, Boston, MA

Price

Price on request

Square Feet

149,800

Market rate estimate — not broker-provided

Cost-of-Business Details

Very Low Confidence

Low

$12.75/SF/mo

Mid

$15.00/SF/mo

High

$17.25/SF/mo

Tier Used

peer_city_transfer

Transferred from peer market omaha (similarity: 100%) with 3 comparable listings.

Peer market: omaha (100% similarity)

Tier Resolution Trace

Tier 1insufficient_data

Tier 2insufficient_data

Tier 3insufficient_data

Tier 4successselected

Cost Breakdown

Component	Value	Detail	Source
Base Rent	$15.00/SF/mo	—	peer_city_transfer
Utilities	—	2.0¢/kWh	OpenEI URDB
Property Tax	—	0.0% eff. rate	API Ninjas
Labor Index	—	$2392/wk	BLS QCEW

Source Provenance (1)

Source	Type	Count	Year	Freshness	Peer
Peer City Transfer	economic_similarity	3	—	real-time	omaha (100%)

Data sources used

peer_city_transfer

Description

55 Summer Street - Available for lease

Property description as provided by the listing source. PropZone adds independent market context, valuation estimates, and comparable listings.

Location

55 Summer Street, Boston, MA

Leaflet © OpenStreetMap contributors

Property Details

Building Size149,800 SF

Year Built2025

Lease Details

Available Space149,800 SF

Market Context

This office in Boston, MA is listed for lease across 149,800 SF. The building dates to 2025. It has been on the market for 160 days.

As of Q1 2026, the Boston office market showed cap rates around 9.7%. Source: multiple brokerages Q1 2026 market report.

Projected current pricing

low confidence

Projected asking rent

$31.41–$32.77/SF/yr

Estimated sale value

$129–$175/SF

Modeled estimate (income approach) shown as a range — not an appraisal. Projected asking rent × occupancy × net-operating-income margin band ÷ market cap rate, from Q1 2026 Cushman & Wakefield data (cap rate 9.7%, asking rent trend-adjusted to today).

View the full Boston Office market report →

Compare it against other office listings for lease in Boston, MA to benchmark pricing and space — view the full market.

Office market FAQ

What is the typical cap rate for office in Boston?: About 9.7% as of Q1 2026, per multiple brokerages.

Unified Estimate

Very Low Confidence

$4.17/SF/mo-$5.64/SF/mo

Mid: $4.90/SF/mo

Total estimate for 149,800 SF

$734,020

Rate-first confidence-weighted blend with cost-of-business adjustment.

No local comparable sales were available, so this estimate is transferred from a comparable peer market — treat it as a rough indication only. Transferred from peer market omaha (similarity: 100%) with 3 comparable listings.

Lease Rate & Market Trend

Market report quarterly trend fallbackFIPS 25025

Low Confidence

Avg Rent ($/SF/mo) (market data)
Vacancy %

Market asking rent (quarterly avg)Vacancy rate (right axis)

Investment Analysis

Beta Feature: Investment Analysis is currently in beta testing. Metrics are calculated based on available financial data and market comparables. Results are for informational purposes and should not be considered financial advice. Verify all assumptions and consult with a financial advisor before making investment decisions.

Insufficient financial data for full analysis. Add more financial fields to improve metric coverage.