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138-140 Corwin St

Eureka Valley/Dolores Heights, SF 94114 2714016 2 units · 4 fl · 1981

A handful of records on file over the last seven years, and our model puts this building at a low risk of further maintenance problems in the next 12 months. A few records worth reading before you sign. Check whether they were closed out, and ask what was actually fixed.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Eureka Valley/Dolores Heights — not a forecast
At or below average
avg 1.4
0
FewerMore

This building has 0 novs (7y), at or below the Eureka Valley/Dolores Heights average of 1.4.

Rent & eviction protection

Is 138-140 Corwin 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 1981
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH2
Not rent-controlled. Buildings constructed after 1978 are generally exempt from SF rent increase limits under the Costa-Hawkins Act.

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

Statewide backstop · AB 1482

California Tenant Protection Act of 2019

Even when a building isn't covered by local rent stabilization, the statewide Tenant Protection Act (AB 1482) may still apply. It caps annual rent increases and requires the landlord to state a legal reason to end most tenancies.

15+ years since occupancy
Built 1981
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
May be covered by AB 1482. The building is old enough for the statewide rent cap (5% + regional CPI, capped at 10% per year) and just-cause protection after 12 months of tenancy.

AB 1482 does not apply to single-family homes and condos unless owned by a corporation, REIT, or an LLC with a corporate member; to owner-occupied duplexes; or to deed-restricted affordable housing. The Act is in effect until January 1, 2030. Not legal advice — see the California landlord–tenant guide.

Building characteristics
Units2
Floors4
Year built1981
Total area4,674 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot2714016
Ownership

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

Owner name
Mailing address
138 Corwin St San Francisco CA 94114
Last sale
May 20, 2022

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

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

140 D Corwin St, San Francisco, CA 94114
138 A Corwin St, San Francisco, CA 94114
140 Corwin St, San Francisco, CA 94114
Augrented Insights
Initial analysis

The property at 138-140 Corwin Street is a 4-story, 2-unit multi-family residential building constructed in 1981, currently owned by Henry Shao. The building has undergone significant improvements and maintenance over the past several years, with the most recent major renovation occurring in May 2023, involving comprehensive updates to lower unit bathrooms, windows, patio doors, wood floors, kitchen, and deck railings, along with the installation of a wet bar on the third floor at a cost of $325,000. Prior to this, in 2022, the top floor unit received similar attention, including kitchen and bathroom remodeling, while structural maintenance work was performed in 2022 on the third-floor balcony joists and in 2014 on east-facing decks suffering from dry rot.

Recent concerns have emerged regarding exterior lighting installed in 2023, with multiple complaints filed in 2024 about light trespass and glare affecting adjacent properties, with concerns about compliance with California lighting regulations. The building's maintenance history shows regular upkeep, including the installation of a NFPA 13D fire sprinkler system in 1998, reroofing in 2014, and various plumbing and electrical upgrades, including a recent Cat5 residential network installation in November 2023. The property has experienced some issues in the past, including complaints about stairs, smoke detectors, and a sump pump in 1994, though these were resolved by 1997. Recent 311 calls indicate ongoing external maintenance needs, particularly regarding garbage and debris and an overgrown tree blocking the sidewalk, though many of these issues are typical for urban properties and appear to be actively managed.

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

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Risk rating

How 138-140 Corwin 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

Lower risk — safer than most nearby

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

Typical — about average for the neighborhood

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

Higher risk — riskier than most nearby

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

Neighborhood percentile
86thpercentile

Out of 1278 buildings in this neighborhood, 179 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.

RiskiestSafest
Predicted 12-month outcome
88%
No DBI
violation
12%
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.

DBI tenant complaints (past 7 years)

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

Number of floors

Building height affects maintenance complexity and is one of the size signals the model uses.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

12-Month risk forecast
Low failure risk 12%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

138-140 Corwin St apartment reviews

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On the map

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The story over time

138-140 Corwin St event timeline

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

2025
Fire Complaint Sep 12
Combustible Materials
Condition Corrected
Fire ComplaintSep 06
Uncategorized Complaint

See all 19 events

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

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Every record we have

Full data for 138-140 Corwin St apartments

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

Side by side

How 138-140 Corwin St compares to the neighborhood

This building against comparable properties in Eureka Valley/Dolores Heights. Toggle filters to narrow the peer group.

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

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