Free SF apartment background check

3525 17Th St

Mission Dolores, SF 94110 3578074 16 units · 3 fl · 1915

This building has significantly more problems than most nearby buildings. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Mission Dolores
At or below average
avg 2.9
0
FewerMore

This building has 0 novs (7y), at or below the Mission Dolores average of 2.9.

Rent & eviction protection

Is 3525 17Th 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 1915
2 or more units
16 units
Property type
Multi-Family Residential
Zoning
RM2
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.

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 1915
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
Local rent control likely takes priority. This building appears to fall under the local ordinance above, which is stronger than AB 1482. Where a local just-cause ordinance applies, its rules govern instead of the state cap.

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
Units16
Floors3
Year built1915
Total area11,800 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3578074
Ownership

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

Mailing address
Steven Mavromihalis Po Box 316 Tiburon CA 94920
Last sale
052920

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 16-unit, three-story apartment building at 3525 17th Street, owned by 3525 17th Street Partners, has undergone significant renovations and improvements since 2018, particularly following a fire incident in 2016. Major upgrades included the installation of a comprehensive fire sprinkler system ($75,000) and a new fire alarm system ($40,000) in 2018, along with a complete building remodel featuring new electrical systems and plumbing throughout all units. The building underwent substantial work to add additional dwelling units as part of ADU unit construction and to optimize living spaces. Several permits for street space usage were issued throughout 2018-2019, indicating continued exterior work.

The building has faced various maintenance and compliance issues over its history, including multiple housing code violations and complaints between 2004-2019. Notable past violations included problems with the gas utility shutoff tools, central alarm system, heat system timing, fire proofing materials, smoke detector placement, and other fire-related issues in 2004; and plumbing permit requirements, boiler operation permits, and dry rot damage in 2010. More recent concerns included construction-related issues such as rodent problems and construction vehicle noise in 2019, as well as a fire damage incident in 2016 that presumably prompted the subsequent rehabilitation work. While two fire-related complaints were filed in early 2019 regarding extinguishers and blocked exits, both were determined to have "No Merit." The building has maintained active compliance with its various permits, though some expired permits from 2018-2019 related to plumbing work require note, including comprehensive plumbing updates for 16 bathrooms and kitchens.

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

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Risk rating

How 3525 17Th 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
19th percentile

Out of 799 buildings in this neighborhood, 647 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
41%
No DBI
violation
59%
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.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

Building size

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

DBI tenant complaints (past 7 years)

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

12-Month severity forecast
No violation 27.3%
Moderate concern 34.8%
Severe concern 37.9%
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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On the map

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The story over time

3525 17Th St event timeline

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

2025
Building Permit Oct 01
Unit 15: replace existing tub, like to like replace lighting at vanity.
$1,500 · Complete
Plumbing PermitOct 01
Unit 15. replace existing tub like to like.

See all 6 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 3525 17Th St apartments

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

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