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1635-1637 Pierce St

Lower Pacific Heights, SF 94115 0681001 13 units · 3 fl · 1900

This building has far more open problems than almost any other in the neighborhood. Renters here report frequent, slow-to-fix problems. Get repair promises in writing and check the unit before signing.

NOVs (7y) vs. neighborhood
Compared to a typical building in Lower Pacific Heights
Above average
avg 1.6
21
FewerMore

This building has 21 novs (7y), above the Lower Pacific Heights average of 1.6.

Rent & eviction protection

Is 1635-1637 Pierce St rent-controlled?

San Francisco's Rent Ordinance caps rent increases and provides eviction protection for most residential units built before 1979 with 2+ units. Here's how this building scores.

Built before 1979
Built 1900
2 or more units
13 units
Property type
Multi-Family Residential
Zoning
RH3
Likely rent-controlled. Building age and unit count suggest this property falls under San Francisco's Rent Ordinance.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units13
Floors3
Year built1900
Total area12,732 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0681001
Ownership

Registered owner per SF Assessor-Recorder (secured roll).

Owner name
Boschetti Giampaolo Paul
Mailing address
955 Prague St San Francisco CA 94112
Last sale
012519

Landlord portfolio

Other SF properties this owner holds, with risk grades for each.

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Multiple entrances & addresses

Included addresses

All street addresses sharing this blocklot that are covered by this report.

1637 Pierce St, San Francisco, CA 94115
1635 Pierce St, San Francisco, CA 94115
Augrented Insights
Initial analysis

1635-1637 Pierce Street is a three-story, 13-unit multi-family residential building constructed in 1900, currently owned by Paul Boschetti Giampaolo. The property has experienced several significant maintenance and safety issues in recent years. Most notably, there is an active cluster of violations from 2024 related to building maintenance and safety, including problems with the alarm system, trash area cleanliness, and various structural concerns. Recent complaints from early 2024 described water intrusion causing ceiling and wall damage, while another complaint from February 2024 reported issues with windows, including mold formation and ventilation problems.

The building has undergone several major structural improvements, including emergency foundation replacement and partial lateral strengthening work in 2017 costing $35,000. A soft-story retrofit was also performed in 2017, though unexpected revisions were required for retaining wall dimensions and shear wall placement. Other significant maintenance work has included reroofing in 2017 ($26,500), various HVAC upgrades including a new furnace installation, and multiple bathroom renovations. The property has a mixed record of addressing fire safety concerns, with several fire complaints over the years regarding systems like sprinklers, extinguishers, and alarms, though most have been marked as "Condition Corrected" or "No Merit." The building's plumbing and electrical systems have also received attention, with various repairs and upgrades documented through recent permits.

AI-generated · may contain errors · check the source data tables below

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Risk rating

How 1635-1637 Pierce St's risk score is calculated

We trained a model on 7 years of SF DBI inspection data — notice of violation filings, complaint history, and owner track records. It estimates the probability that DBI inspectors will issue a Notice of Violation at this address in the next 12 months. Lower % = safer.

What the score means for you

Grade A–B — Low risk

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Grade C — Moderate risk

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Grade D–F — High risk

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
3th percentile

Out of 670 buildings in this neighborhood, 650 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
13%
No DBI
violation
87%
DBI violation
likely
Model explanation

What's driving this score

The three data points that most influenced this building's risk rating — ranked by the weight the model placed on each one.

NOV rate, owner's portfolio

Per-building NOV rate across everything this owner manages — high rates signal pattern neglect.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

Building size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

12-Month severity forecast
No violation 8.9%
Moderate concern 47.1%
Severe concern 44.0%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

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The story over time

1635-1637 Pierce St event timeline

Violations, complaints, fire incidents, permits, and buyouts — most recent records in order.

2026
311 Request Jun 17
Missing side sewer vent cover
Sidewalk and Curb
311 RequestApr 08
Not offensive

See all 26 events

Full history back to 2022 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1635-1637 Pierce St apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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