2026 taxable assessment $565,000 × 1.3998%. Estimate—not a bill or account balance.
OPA also publishes a 2027 assessment of $560,100; it is not the 2026 billed-year value.
Multi-family report
1723 Diamond St
11 bd · 7 ba · 3 stories · 3,543 sqft · RM1 · built 2013
Investor / LLC · assessed $565K (2026) · 2027 OPA assessment $560K · sold 2×. On the 1700 block of Diamond St.
Property summary
Assessment$565,0002026 OPA assessment · 2027: $560,100
Last sale$73KRecorded 2009
Est. tax bill$7,909/year2026 taxable assessment × 1.3998%
Tax delinquencyNo 2022 matchNot proof account is current
Permits9Every fetched City permit
Violations2 open15 historical across 7 cases
“Open” reflects records available then historical records keep their source dates estimates are labeled
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Property tax
The estimate, live balance, and back-tax record are different.
BlockReport can calculate the annual tax from the City’s taxable assessment. Payments, credits, interest, and a current amount due live separately in Philadelphia Tax Center.
A Tax Center balance is net of bills, payments, credits, interest, and adjustments. A credit—or an amount due—is not automatically “back taxes.”
OPA 3211836002026 taxable assessment equals the full assessed value.
Historical delinquency sources Record found
This parcel did not match the June 2022 delinquency snapshot. That absence does not confirm the account is current today.
A separate historical parcel ledger ending in 2016 records $120.00. It is shown as historical context only.
2014$120.00 total · $0.00 principal · $0.00 interest · $0.00 penalty
For a purchase, refinance, or closing, request the City’s official Property Payoff statement in Tax Center under “More options.”
What stands out
From the public recordNew construction
Why it mattersbuilt new under a 2013 permit.
View supporting records →City Property History
Fetched L&I and zoning records
Every row successfully fetched for this report is counted below. Dataset availability and matching can differ from the City's interactive file; use the official link for current detail.
- Recorded owner
- 1717 Monument Street LLC
- Tax mailing address
- PO BOX 56092, PHILADELPHIA PA, 19130
- L&I district
- NORTH
- Building ID (BIN)
- 1000993
- OPA account
- 321183600
Permits9Every dated permit
Violation cases715 violation records · 1 open
Investigations65 failed · 1 passed · 0 closed
Building certifications3Latest result: Certified
Business licenses0No match
Appeals1CLOSED · Granted
PermitsPermit number, issued date, work and City status9
Zoning/usePermit 316745
Jul 6, 2012 COMPLETED Completed Jul 6, 2012
FOR THE ERECTION OF A NEW 3 STORY, 3 FAMILY DWELLING.
New constructionPermit 424594
Dec 10, 2012 COMPLETED Completed Nov 28, 2014
CONSTRUCTION OF A 3-STORY BUILDING FOR USE AS 3 DWELLINGS
PlumbingPermit 445885
Jan 2, 2013 COMPLETED Completed Nov 28, 2014
3 KITCHENS 6 TOILETS 6 LAVS 6 TUBS 1 WASHER BOX PEX & PVC THROUGHOUT
PlumbingPermit 457594
Mar 7, 2013 COMPLETED Completed Oct 15, 2013
INSTALL NEW 1" DOMESTIC COPPER WATER SVC,NEW 5" LATERAL & NEW 4" MAIN DRAIN .PA1#20130660557(SFD)
ElectricalPermit 450128
Mar 13, 2013 COMPLETED Completed Apr 24, 2019
TOTAL WIRING BUILDING AND FA PER 2008 NEC & NFPA 72 (3 FAMILY)
MechanicalPermit 455667
Apr 29, 2013 COMPLETED Completed Nov 4, 2013
INSTALL THREE 2-TON HEAT PUMP UNITS WITH DUCTWORK (3-FAMILY DWELLINGS) - NO UNITS ON THE ROOF. ALL CONDENSERS IN REAR. (HISTORIC PROPERTY)
SuppressionPermit 455172
May 9, 2013 COMPLETED Completed Nov 28, 2014
INSTALL NEW FIRE SUPPRESSION SYSTEM AND 2" SERVICE IN ACCORDANCE WITH NFPA 13R THROUGHOUT THE ENTIRE BUILDING. ALL WORK SHALL COMPLY WITH THE APPROVED PLANS. ALL WORK SHALL BE PERFORMED BY A FIRE SUPPRESSION CONTRACTOR LICENSED BY THE CITY OF PHILADELPHIA.
UsePermit 764831
Mar 7, 2017 COMPLETED Completed Mar 7, 2017
FOR FOUR(4) DWELLING UNITS IN AN EXISTING THREE(3) STORY STRUCTURE.
Certificate of Occupancy (CO) (may inclu…Permit 955313
May 2, 2019 Completed Completed Mar 3, 2020
FOR THE ISSUANCE OF A CERTIFICATE OF OCCUPANCY TO DOCUMENT FOUR (4) DWELLING UNITS (MULTI-FAMILY HOUSEHOLD LIVING). LOCATION AS SHOWN ON PLANS. BUILDING IS SPRINKLERED WITH NFPA 13R SYSTEM. SEE AP#955303 FOR PLANS.
Violation cases15 individual violation records; resolved history remains visible7
Case 203817CLOSED
STANDARD · Opened Jun 18, 2009 · completed Aug 14, 2009
- LICENSE - VACANT LOTViolation 1367048Jun 18, 2009 COMPLIED
- VACANT LOT STANDARDViolation 1367047Jun 18, 2009 COMPLIED
Case 285669CLOSED
STANDARD · Opened Jul 6, 2011 · completed Aug 30, 2011
- EXT A-VACANT LOT CLEAN/MAINTAIViolation 2133567Jul 6, 2011 COMPLIED
- CLIP VIOLATION NOTICEViolation 2133566Jul 6, 2011 COMPLIED
Case 350419CLOSED
STANDARD · Opened Sep 15, 2012 · completed Nov 1, 2012
- EXT A-VACANT LOT CLEAN/MAINTAIViolation 2577083Sep 15, 2012 COMPLIED
- CLIP VIOLATION NOTICEViolation 2577082Sep 15, 2012 COMPLIED
Case 380130CLOSED
STANDARD · Opened May 10, 2013
- DUMPING - PRIVATE LOTViolation 2790028May 10, 2013 CLOSEDCASE
- CLIP VIOLATION NOTICEViolation 2790027May 10, 2013 CLOSEDCASE
Case 458260CLOSED
CONSTRUCTION SERVICES · Opened Oct 24, 2014 · completed Nov 28, 2014
- WORKMANLIKE- ELECTRICAL CODEViolation 3371102Oct 23, 2014 CLOSEDCASE
- ARCHITECT/ENGINEER SERVICESViolation 3371139Oct 23, 2014 CLOSEDCASE
- CO- BLDG OCCUPIED PRE-COViolation 3371100Oct 23, 2014 CLOSEDCASE
Case 713658IN VIOLATION
NOTICE OF VIOLATION · Opened Oct 29, 2019
- FIRE ALARM TESTED/CERTIFIEDViolation 211976887Oct 29, 2019 CLOSED
- ONE AND TWO FAMILY (R3)Violation 211976886Oct 29, 2019 CLOSED
Case 424594CLOSED
Opened Date unavailable
- PERM - MUST POSTViolation 2741754Jan 10, 2013 COMPLIED
- PERMB- WORK NOT SAME AS PERMITViolation 2741753Jan 10, 2013 COMPLIED
InvestigationsEvery inspector visit, including CLOSED outcomes6
BP_BLDGCase 458260
Oct 23, 2014 FAILED
BP_BLDGCase 458260
Nov 24, 2014 PASSED
HCEU INSPCase 713658
Oct 29, 2019 FAILED
HCEU INSPCase 713658
Feb 7, 2020 FAILED
L&I investigationCase 713658
Jun 23, 2020 FAILED
L&I investigationCase 713658
Nov 23, 2024 FAILED
Building certificationsInspection result and filed expiration date by L&I building ID3
Fire Alarm CertificationCertification BC-2024-025050
Inspected Sep 9, 2024 Certified Expires Sep 9, 2025
Fire Alarm CertificationCertification BC-2025-022464
Inspected Aug 22, 2025 Certified Expires Aug 22, 2026
Sprinkler CertificationCertification BC-2026-014601
Inspected May 14, 2026 Certified Expires May 14, 2027
Business licensesHistorical and active licenses are both retained0
No business licenses matched this parcel in the fetched City dataset.
AppealsApplication status and decision are separate City fields1
Zoning board appealAppeal 14538
Aug 24, 2011 CLOSED Granted Related permit 316745
PERMIT FOR THE ERECTION OF A THREE STORY ATTACHED STRUCTURE(MAXIMUM HEIGHT NTE 38FT 10 INCHES) WITH CELLAR TO BE USED AS A THREE FAMILY DWELLING.
City of Philadelphia OPA, L&I and Zoning Board records, shown as filed. A CLOSED investigation is an outcome label, not a missing visit; an appeal's application status and decision may differ.
Legal due diligence
What this record proves—and what it does not.
These checks are triggered by this property’s actual City rows. They identify the controlling document to verify; they do not declare a use legal, a building safe, or title clear.
2 resolve before relying
3 verify
1 favorable dated record
Resolve before relyingZoning approval is not the occupancy fileAppeal #14538: CLOSED · Granted; related permit 316745. Use permit #316745: COMPLETED. The history also contains “CO- BLDG OCCUPIED PRE-CO.”
Why it mattersPhiladelphia says a zoning approval or Property Sales Certification can identify a use without proving that it was established under the Building Code. A change of use, unit count, exits, or fire rating can require a Building Permit and Certificate of Occupancy.
Verify nextVerify the lawful use, unit count, associated construction permits, and Certificate of Occupancy with L&I.
Open the controlling City guidance ↗Resolve before relying2 open L&I violations15 violation rows are retained in the City ledger.
Why it mattersOpen notices can accrue fees, block permits or license renewal, and move to court or collection. Standard initial notices generally have a 30-day appeal window; unsafe or imminently-dangerous notices have a much shorter window.
Verify nextRead the notice—not only the summary status—and confirm reinspection, fees, and appeal posture with L&I.
Open the controlling City guidance ↗VerifyResidential form does not establish rental useOPA classifies the parcel as multi-family; no active Rental License row matched.
Why it mattersA multi-unit or mixed-use classification does not prove that space is currently rented. If dwelling space is rented, Philadelphia generally requires a current Rental License and related occupancy, tax, violation, and lead compliance.
Verify nextConfirm actual occupancy first; if any unit is rented, verify the license and legal unit count with L&I.
Open the controlling City guidance ↗VerifyFailed inspections are dated events—not the current condition5 failed, 1 passed, and 0 CLOSED investigation outcomes are in the fetched history; the latest dated visit was FAILED on Nov 23, 2024.
Why it mattersA PASSED or FAILED value applies to that inspection visit. CLOSED is a separate source status; none of the three alone proves the parent permit or violation case closed—or describes today’s condition.
Verify nextOpen the parent case/permit for each material failure and confirm its later disposition.
Open the controlling City guidance ↗VerifyA separate Commercial Trash account may applyOPA classifies the parcel as multi-family. BlockReport does not receive a current Commercial Trash account balance.
Why it mattersPhiladelphia charges qualifying small commercial, mixed-use, and multi-unit properties that use City collection; exemptions and private collection can change applicability. A use category alone does not prove a fee is due.
Verify nextCheck the Commercial Trash account inside the date-effective Property Payoff.
Open the controlling City guidance ↗Favorable dated recordFiled system certifications are current in this datasetFire Alarm Certification: Certified through Aug 22, 2026; Sprinkler Certification: Certified through May 14, 2027
Why it mattersFire-protection certifications apply to the named system and inspection period only; they are not a whole-building safety certificate. Philadelphia generally requires annual sprinkler, standpipe, fire-alarm, special-hazard, and emergency-power inspections where those systems exist.
Verify nextConfirm the certificate covers every applicable system and remains accepted by L&I.
Open the controlling City guidance ↗Closing file: checks no public-record summary can replace5 documents/searches to assign before settlement
Property Sales Certification
The seller must obtain Philadelphia’s certificate showing the base zoning, last use in the zoning record, and open violations. The City warns that it does not prove Building Code occupancy or show zoning overlays.
Next: Obtain the fresh certificate and compare it with the CO, permits, and Atlas overlays.
Official guidance ↗Date-effective City Property Payoff
The Tax Center Property Payoff covers Real Estate Tax, Commercial Trash, and L&I abatement-work invoices. Philadelphia says it does not include business-tax debts or liens, water and sewer charges, or fines for code violations.
Next: Request the City statement effective through settlement; read every period and invoice.
Official guidance ↗Professional title and water-lien searches
OPA ownership, deed summaries, and a zero tax balance are not clear title. Mortgages, judgments, municipal claims, water liens, easements, heirs, and other encumbrances require separate searches.
Next: Use a Pennsylvania lawyer/title company and obtain owner’s title insurance; order the separate water search/payoff.
Official guidance ↗Separate water-lien guidance ↗Seller-specific tax relief is not the buyer’s bill
LOOP and low-income or senior Real Estate Tax freezes depend on the qualifying owner and continued program eligibility; a buyer cannot assume the seller’s capped or frozen bill continues. A separately verified property abatement often remains with the property for its remaining term, but program-specific new-owner filing, use, and tax-compliance conditions still must be confirmed—not inferred from the reduced assessment alone.
Next: Have Revenue or OPA identify every current benefit, model the buyer’s bill without seller-specific relief, and confirm any verified abatement in writing.
Official guidance ↗Separate water-lien guidance ↗Seller disclosure and independent inspections
For a covered Pennsylvania residential transfer, obtain the statutory seller disclosure. It reports the seller’s knowledge; it is not a warranty, title search, code review, or substitute for inspections.
Next: Have the agreement and disclosure reviewed for this transaction’s coverage and exceptions.
Official guidance ↗Informational only—not a legal opinion, title report, code inspection, tax payoff, or substitute for a Pennsylvania lawyer, title company, inspector, or tax professional.
Records to verify together
Rule-based groupings across this property's dated public records. Each flag shows the records that belong in the same verification step and where the inference stops.
Records to verify together
More than one separately dated public record deserves a current-status check.
Evidence: 2 open L&I violations · failed L&I inspection activity in 2024
Limit: A screening signal, not a foreclosure prediction. Tax entries are historical and must be verified with Philadelphia Revenue.
Transparent record rules, not a score or forecast. Each flag is a prompt to verify the cited records, not a prediction or allegation.
What to do with this
The record, translated into moves — what a buyer, the owner, and a landlord would each want to check next under Philadelphia's actual rules.
If you own it
2 open violations: the clock matters
Most L&I appeals must be filed within 30 days; unsafe or imminently dangerous orders can carry a shorter deadline. Unresolved notices can lead to fees, court enforcement, City abatement work, and liens. Read the dated notice and verify its current status with L&I.
$120 in the historical tax ledger through 2016
Historical context only, not a current payoff figure. Verify today's balance and lien status directly with Philadelphia Revenue before relying on it.
If you’re the landlord
If it is rented, verify the Rental License
The fetched license records do not show an active Rental License. Ownership type or a tax mailing address does not prove that tenants occupy the property; if it is rented, verify the current license and legal occupancy in eCLIPSE.
Derived from the fetched property records and linked City guidance as of 2026. Assessment treatment is not a substitute for an exemption approval, live balance, title report, license, occupancy certificate, or inspection. Informational only — not legal, tax, or investment advice.
Who's behind it
1717 Monument Street LLC · corporate / LLC owner
• Owns 3 properties across Philadelphia under this name, assessed at $1.4M combined
• Tax bills mail to Po Box 56092, Philadelphia PA, 19130
The investment read
How this building has moved and where it's pointed: the city's assessed value (not a listing price) over 12 years, charted against its block; appreciation is that history's pace, and the 5-year figure simply extends it. Yield estimates rent-vs-price from area rents. Ask the record to dig into any number.
Assessed value
$565,000
2026 billed-year assessment · 2027: $560,100 · built 2013
Price / sq ft
$158
block $134 · above block
Appreciation
+26%
+2%/yr, city 6.5%
In 5 years (~2031)
~$561K
+2%/yr own pace held 5 yrs — extrapolation, not a forecast
Est. tax bill / yr
$7,909
1.41% effective
Jun 2022 tax snapshot
No match
not proof the account is current
Gross yield
1.6%
≈$749/mo rent
Times sold
2
Value vs. the block, over time — sales, permits & L&I events marked on the line
This houseBlock median & rangeL&I violationPermitInspection
The paper trail
New constructionbuilt new under a 2013 permit.
- 2013 ElectricalPermitMechanicalPermitSuppressionPermit4 L&I violationsL&I
- 2014 3 L&I violationsL&IL&I: 1 failed, 1 passedL&I visit
- 2017 UsePermit
- 2019 Certificate of Occupancy (CO) (may inclu…Permit2 L&I violationsL&IInspection failedL&I visit
- 2020 Inspection failed ×2L&I visit
- 2024 Inspection failedL&I visit
Flags: 2 open L&I violations · historical tax ledger through 2016 recorded $120 · 1 zoning/board appeal on record. Informational only — not investment advice or a consumer report (FCRA).
The property, on paper
The city assessor's field record — the physical spec sheet behind the assessed number.
Bedrooms
11
Bathrooms
7
Stories
3
Interior
3,543 sqft
livable area
Lot
1,700 sqft
Heat
Forced hot air
city code A
Central air
Yes
Exterior condition
Above average
city code 3
Above averageBelow average
Interior condition
Above average
city code 3
Above averageBelow average
Quality grade
C+
assessor's grade
ABCDE
Zoning
RM1
city zoning code
Zoning appeals
1
CLOSED · Granted · 2011
OPA field-assessment attributes. Condition and grade are the assessor's codes, not an inspection.
Run the numbers
What owning 1723 Diamond St takes, at your price and your rate. Taxes start with an annual estimate from the City’s taxable assessment, not a current bill or balance; rent starts at the area median. Assessed value is not an asking price — set the price slider to the real one.
When this house last sold (2009) a 30-year mortgage ran about 5.04% — Freddie Mac's average that year.
Mortgage
—
P&I · 30-yr fixed
All-in monthly
—
+ taxes & insurance
Cash to close
—
down + ~4% costs
Cash flow
—
rent − all costs · /mo
Cap rate
—
NOI ÷ price
Cash-on-cash
—
year-1 return on cash in
Estimates for orientation, not advice. Assumes a 30-year fixed loan, $1,400/yr insurance, 1% of price/yr maintenance; taxes use this parcel's taxable assessment, not a live Tax Center balance.
Block context
1723 Diamond St sits on the 1700 block of Diamond St. Open the block report to compare its parcels, ownership and public-record history.
See the whole block →Next door: 1721 Diamond St · 1725 Diamond St
Where this comes from
- Assessment, spec sheet & owner — OPA Property Assessments, Office of Property Assessment
- Sales & deed history — Realty Transfer Tax records, Recorder of Deeds
- Permits, violations & inspections — L&I Property History · Atlas
- Tax delinquency snapshot · June 2022 — Real Estate Tax Delinquencies, Dept. of Revenue
- Historical tax ledger & liens · through 2016 — Real Estate Tax Balances, Dept. of Revenue
- Current property-tax balance — Verify with Philadelphia Revenue
- Zoning appeals — L&I & Zoning Board appeals
- Neighborhood income & rents — US Census ACS 5-year estimates
- Historical mortgage rates — Freddie Mac Primary Mortgage Market Survey, annual averages
- Imagery — Street photo © Google · Aerial © Esri, Maxar
Methodology & freshness
This report was assembled Jul 10, 2026, 1:38 AM ET. Available City datasets are queried from OpenDataPhilly (phl.carto.com) and the cited City ArcGIS feeds; record queries paginate rather than silently taking a first page. For this property: Permits: queried · Violations: queried · Investigations: queried · Appeals: queried · Licenses: queried · Building certifications: queried. “Unavailable” means the source query failed or was not supplied, not “no record.” Reports re-pull on view after seven days and on an overnight rolling schedule; citywide benchmarks recompute weekly. Source dates still govern: the parcel-level tax-delinquency snapshot is June 2022 and the separate detailed tax ledger ends in 2016, so neither establishes today’s balance. The live balance and date-effective payoff must be verified in Tax Center. AI-written passages are grounded in the assembled record and rejected if they state a number the record does not hold.
Official city record ↗ · L&I history ↗ · See the whole block · Download this record (JSON)