$34 SF/Yr 5,317 SF available

400 5Th Ave, Waltham, MA 02451
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This 5,317-square-foot office suite is configured with a combination of private offices, open work areas, conference rooms, and a dedicated break area with kitchenette. The interior includes spaces suitable for office operations and has been designed to allow interior finishes to be customized to organizational needs. The building was constructed in 1975 and is located along Route 128 in Waltham. Building amenities include a fitness center with showers, an additional conference room, a micro…

Ownership intelligence

Who controls the opportunity?

Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. In the full report.

Owner contacts

Can we reach the decision maker?

Skip-traced phones and e-mails of the owner. Included with the full report.

Debts

What is owed, to whom, and when it comes due

Recorded lenders, amounts and estimated maturities of the owner's loan book — in the full report.

Property tax · 2024

What does the county charge?

$498k

Tax billed · 2024

Assessed value$24.05M

Assessed land$4.36M

Assessed improvement$19.69M

Effective rate2.07%

Value estimate

· Oct 2026

$20.10M

$18.09M – $22.10M

Submarket $/SF estimate$12.17M

NOI build-up

Gross scheduled income$288k

Vacancy & credit loss−$63k

Operating expenses−$56k

NOI · 496,208.82% cap applied$169k

Realmo valuation models over county records and 4 qualifying comparable sales.

Recently sold

What actually traded nearby?

$319/SF

ZIP average, outlier-cleaned · 26 recorded sales of this use type

Observed band · Q1–Q3$176 – $499

Qualifying comparables4

Cap rate analysis

How does the asset earn?

496,208.82%

$169k estimated NOI · market benchmarks for this use type

Price anchors at 6 / 6.5 / 7% — in the full report.

Zoning insight

What can be built here?

No zoning code is on file for this parcel. Coverage grows with every catalog release.

JurisdictionWALTHAM

Location intelligence

Which uses thrive at this corner?

Best fit: Auto Parts Store

Demand heat for this use is drawn on the map · LocInt grid

Demand index

Auto Parts Store13.4

Parking Facility10.7

Grocery Store10.5

400 5Th Ave Waltham, MA 02451

County assessor Recorded deeds · 8 transfers 4 qualifying comp sales Zoning catalog · not on file

Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.

Comparables

6 recorded sales · 18 properties nearby

Address Sale price Sold Size

275 2nd, Waltham, MA 02451-1159 $154,500,000 Jun 2023 121,270 SF

225 2nd, Waltham, MA 02451-1122 $111,500,000 Jun 2023 117,999 SF

266 2nd, Waltham, MA 02451-1166 $154,500,000 Jun 2023 95,568 SF

300 3rd, Waltham, MA 02451-7525 $2,800,000 Mar 2020 124,950 SF

1560 Trapelo, Waltham, MA 02451-7306 $885,000 Jan 2020 67,695 SF

890 Winter, Waltham, MA 02451-1470 $45,800,000 Aug 2019 176,664 SF

Sale prices and dates as our records hold them, one row per building. A deed can cover more of a building than the size shown, so read the price against the size rather than dividing one by the other.

Comparable nearby

Value Estimation
$3,055,000

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300 3rd Ave

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300 3rd Ave, Waltham, MA 02451-7525

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Value Estimation
$37,270,000

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168 3rd Ave

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168 3rd Ave, Waltham, MA 02451-7551

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Value Estimation
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185 Wyman St

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185 Wyman St, Waltham, MA 02451-1223

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Value Estimation
$33,565,000

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1050 Winter St

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1050 Winter St, Waltham, MA 02451-1401

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Value Estimation
$21,655,000

77,511 SF

81 Wyman St

OFFICE BUILDING

81 Wyman St, Waltham, MA 02451-1223

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Value Estimation
$44,390,000

224,892 SF

880 Winter St

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880 Winter St, Waltham, MA 02451-1464

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Office building available for rent in Waltham, Massachusetts.

245 Fifth Avenue, Waltham, MA 02451

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400 5Th Ave Waltham, MA 02451

Property summary