Market Insights  /  Manayunk
Development Watch · Manayunk

3811 Main StCleared to build

36-unit residential new construction, zoned ICMX.

A 36-unit residential building is set to rise at 3811 Main St in Manayunk, the kind of by-right infill quietly reshaping the block. It was cleared to build in Dec 29, 2021.

The 42,849 sq ft site is zoned ICMX, which supports a building on the order of 6 stories by right. The parcel last changed hands in 2023. The plans call for for erection of a detached structure. for five (5) vacant commcerical spaces # c-1 to c-5 as permited on icmx zoning district (separate use registration and fit-out permits required prior to occupancey) and multi-family household living thirty-six (36) dwelling units with accessory off street interior parking total forty-six (46) spaces including four (4) accessible spaces (including one van accessible space) and including three (3) electric vehicle spaces; and twelve (12) class 1a bicycle parking spaces on an acccessible route. building to be fully sprinklered. separate permits required for mep & fp work. separate approval required from pa l &i for elevator installation.

The owner of record is W G Main Street LLC.

It isn't rising in isolation. Within a half-mile, 3 other major projects have broken ground since 2022 — roughly 107 units of new supply — including the 42-unit project at 11 Shurs Ln, the 15-unit project at 3838-52 Pechin St, the 50-unit project at 5542-44 Ridge Ave. That kind of concentration is exactly what pulls land values, and buyer attention, toward a block.

We'll update this page as the project progresses — leasing, retail tenants, renderings, and construction milestones as they surface. The relevant question for investors and agents: what are the surrounding parcels worth to a builder now that this is coming?

Schematic massing — illustrative of the ~6-story by-right envelope, not the developer's design.
Units
36
Zoning
ICMX
By-right envelope
~6 stories
Lot
42,849 sq ft
Last sale
2023
Cleared to build
Dec 29, 2021
For developers & investors

Underpriced parcels near this project

As this density arrives, InvestPHL is tracking 36 under-built parcels within a half-mile that a developer could still acquire and build — each carrying a builder's max bid. Addresses and figures are members-only.

~283buildable units
████████ Street
ICMX · 0.08 mi away
Max bid to a builder $4.8M · Opportunity Score 97
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~129buildable units
████████ Street
CMX2 · 0.49 mi away
Max bid to a builder $2.1M · Opportunity Score 94
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~125buildable units
████████ Street
CMX2 · 0.45 mi away
Max bid to a builder $2.1M · Opportunity Score 94
Unlock →
~163buildable units
████████ Street
ICMX · 0.08 mi away
Max bid to a builder $2.6M · Opportunity Score 93
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~26buildable units
████████ Street
RM2 · 0.22 mi away
Max bid to a builder $408K · Opportunity Score 93
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Unlock the 36 nearby opportunities →
The block

What else is rising nearby

Major (8+ unit) new-construction projects filed within a half-mile since 2022 — the density gathering around this site.

42u11 Shurs Ln0.24 mi
15u3838-52 Pechin St0.28 mi
50u5542-44 Ridge Ave0.45 mi
Progress

How this project is moving

In permitting ⚠ Status unclear — no recent activity
Estimated from the construction permit sequence — an approximation of stage, not a precise schedule.
Every logged milestone appears here — highlighted ones are the headline stages; the rest track interim construction activity. Checked daily.
Compiled by InvestPHL. Unit counts, scope, and ownership are as recorded and subject to revision; the massing figure is a schematic illustration of the by-right envelope, not the developer's design or a marketing rendering. Verify zoning, status, and title with counsel before acting. InvestPHL does not list, market, or represent any property, buyer, or seller.