Hearth Corporation
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#503
by SF filing activity
among SF general contractors, last 90 days
9
projects tracked
Feb 2025 to Jul 2026
2/16
active weeks
weeks with a filing (last 16)
1 of the 9 Hearth Corporation projects filed new permits in the last 30 days.
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$400K West of Twin Peaks renovation
Filed 2 months ago · Hearth Corporation: GC
Convert 1358 sf at lower floor storage area into living space to include 2 bedrooms, bathroom, living room with 2 burner kitchenette and…
GC named · Architect identified
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$125K Nob Hill renovation
Filed 6 months ago · Hearth Corporation: GC
Private roof deck, remodel of kitchen, new powder room, new penthouse roof & skylights, structural work
GC named · Architect identified · Engineer identified
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$88K Bayview Hunters Point renovation
Filed Jun 2025 · Hearth Corporation: GC
Documentation to abate nov - by legalizing the renoation of rear yard cottage using (e) foundation to add home office as part of front…
GC named · Architect identified
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6 more
Hearth Corporation projects with project intelligence
Scopes, values, teams and filing history for every one
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Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
owner and contact details and full filing histories are part of the paid product.
9 project records for Hearth Corporation: addresses, values, project teams
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Middle 50% of declared values: $30K–$125K (median $88K)
Most recent filing: West of Twin Peaks · Jul 10, 2026
2 active · 2 newly observed last 90 days
Filing activity · last 16 weeks
APR
MAY
JUN
JUL
2
active projects (last 90d)
2
newly observed (last 90d)
Jul 2026
peak month
Project mix · by use
Residential100%
Geography · by neighborhood
Nob Hill29%
West of Twin Peaks29%
Bayview Hunters Point14%
Bernal Heights14%
Lone Mountain/USF14%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Raumfabrick Architecture | Architecture | 2 | |
| 2 | Pe Structural Design | Engineering | 1 | |
| 3 | Raumfabrik | Architecture | 1 | |
| 4 | Santos Prescott & Assoc. | Architecture | 1 | |
| 5 | Upright Engineering | Engineering | 1 | |
| None on shared filings. | ||||
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
Frequently asked questions
How many SF projects has Hearth Corporation filed?▾
PermitPipeline tracks 9 San Francisco building-permit projects for Hearth Corporation (Feb 2025 to Jul 2026). 2 had filing activity in the last 90 days.
Does Hearth Corporation work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Hearth Corporation's projects are commercial and 100% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Hearth Corporation work?▾
22% of Hearth Corporation's tracked San Francisco projects are in Nob Hill.
What is a typical Hearth Corporation project worth?▾
Across the 9 tracked projects with a declared value, Hearth Corporation averages $108K per project (declared value on the permit filing, not contract value).
Which firms does Hearth Corporation work with most often?▾
Hearth Corporation most frequently appears on the same San Francisco permit filings as Raumfabrick Architecture, Yama Architecture, Upright Engineering. Appearing together indicates association on shared filings, not a proven working relationship.
Is Hearth Corporation a general contractor?▾
Hearth Corporation is listed as a general contractor on its San Francisco permit filings. Roles on this profile are derived from the role each firm holds on public DOB filings.
Public aggregate — full project records are part of the paid leads product. Updated daily from SF DBI filings.
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