Estiq Value / Tallinn / Mustamäe / Karsti tn 4
Register data as of Oct 15, 2026 Mustamäe · Tallinn

Karsti tänav 4, Tallinn

Karsti tn 4 (Tallinn, Mustamäe linnaosa) is a 2014 7-story residential building, 25 apartments (EHR 120531689). Estiq AVM model benchmark is 3 447 €/m² (range 3 247–3 647 €/m²) as of Oct 15, 2026.

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Karsti tänav 4, Tallinn – aerial photo of the building, outline from the Building Register (EHR)
Aerial photo · building outline from the Building Register (EHR) · Orthophoto 02.05.2024, Maa- ja Ruumiamet (open data licence)
7 floors 25 apartments EHR 120531689 ↗ Cadastre 78405:502:0083 ↗ Private ownership · apartment ownership

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The area at a glance

Six indicators for this address. Tap one to see its source and what it does not tell you.

Automated Market Valuation & Building Benchmark

Karsti tn 4 is a 7-storey residential building built in 2014, with 25 apartments, energy class C. The Estiq AVM benchmark is €3 447/m², 28.7% above the Mustamäe median (notarised apartment transaction median €2 679/m², 2026 Q3, n=404).

Karsti tn 4 is a 7-storey residential building completed in 2014 in Mustamäe, with 25 apartments. Load-bearing structure: Monolithic Concrete (EHR register). The most common unit type is 2-room apartments (10 of them). Energy class C (per energy certificate).

The Estiq AVM baseline for apartments in this building is 3 447 €/m², approximately 28.7% above the Mustamäe median (notarised apartment transaction median €2 679/m², 2026 Q3, n=404). The typical unit (2-room, 57,7 m²) comes to about €198 661.

✓ Well Suited For

First-time home buyers, 1–2 person households, and rental investors.

⚠ Key Considerations

Energy class C, open surface parking, and 2014 construction vintage.

€700–€850/mo

Market rent for typical 2-room apartment (4 listings within 500 m, matched building era).

📊 Market data · 4 listings within 500 m, matched building era
Utilities: summer ~€100, winter ~€170 · 100% furnished
4,2–5,2%

Estimated gross yield (derived from real rental market listings).

from market data

Apartment Prices & Room Breakdown

Official Building Register (EHR) apartment types and Estiq valuation ranges.

Apartment Count Typical Size €/m² Value Range
1-room 5 40.8 m² €3 639 €139 860–€157 083
2-room 10 56.6 – 78.8 m² €3 443 €192 652–€216 376
3-room 9 78.8 – 79.3 m² €3 236 €241 121–€270 814
4-room 1 101.5 m² €3 247 €310 455–€348 686
Most units in the building vary: actual transaction prices depend directly on floor level, interior condition, basement storage, and parking rights.
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  • Market value, value range and reasoning with comparables
  • Building Register, energy certificate and land parcel data
  • Risks: flooding, radon, noise, air quality, safety
  • Apartment association costs, repair fund and loans vs the area

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Apartment Instant Valuation Calculator

Building benchmark + apartment-specific attributes. Select parameters to see calculated fair market value.

1-room · 40.8 m² 2-room · 59.4 m² 3-room · 79.1 m² 4-room · 101.5 m²
− 57,7 m² +
Needs repair −15% Good condition Renovated +10%
1st floor −2% Middle floor Top floor
Balcony / loggia +€3 000 Basement storage +€2 000 Parking space +€3 500
Calculated Fair Market ValueThe model's statistical estimate of the price a similar apartment in this building would most likely sell for. Based on Land and Spatial Board transaction data and comparable apartments. The actual price can differ by a few per cent. Not an EVS 875 valuation report.
€198 661
ca €3 443 / m² · model estimate
Model-Based Indicative Asking PriceA suggested starting price for a sale listing: the calculated market value +5%. In Tallinn apartments sell on average 3–5% below the final asking price, so this leaves room for negotiation. It is not a transaction price or a guarantee. €208 594
Expected Monthly Rent €700–€850/mo
Asking price per m² €3 615/m²
Negotiation buffer 3–5%
Methodology: automated statistical AVM valuation based on official Land Board sales records. Does not substitute a certified appraisal report under EVS 875 standards.

Estiq Building Scorecard™

8-dimensional audit of living environment, safety, infrastructure, and market liquidity.

Composite Score
7.8 / 10
Data coverage: 90%

The Estiq Building Score™ is Estiq's own analytical composite indicator (not an official rating or guarantee of condition, safety, or investment performance); component weights are shown below. Methodology

Location & Transit9.3

Mäepealse stop 69 m / 1 min; fast connection to city centre.

Weight 20%
Education & Schools5.6

Tallinna Mustamäe Riigigümnaasium 1051 m; kindergarten 1335 m.

Weight 15%
Air Quality & Environment6.8

79% of hours good, 4% poor (12-month mean, level: moderate), noise level 65 dB (loud), modelled (Lden), nearest park Kadaka pst park 327 m. Sources: Estiq noise model (CNOSSOS-EU); Estiq air-quality index derived from Keskkonnaagentuur data.

Weight 10%
Safety & Crime Risk7.7

PPA open data (H3 cell (~0.7 km²), 24 months to 14.10.2026, n=9): moderate incident level.

Weight 10%
Condition & Vintage8.7

Built in 2014; structure Monolithic Concrete.

Weight 15%
Energy Efficiency & Heating8.0

EHR energy certificate C (issued 26.11.2013, expired); heating type District Heating.

Weight 10%
Lifestyle & Infrastructure6.7

Kadaka pst park 327 m; supermarket 1134 m.

Weight 10%
Market Liquidity & Demand8.6

Land Board transaction volume in this micro-location (42 transactions over the last 4 quarters in the "built 2011-2015" cohort).

Weight 10%

Environment & safety: Karsti tn 4

Official open data and Estiq models for this building’s location. They describe the area, not a specific apartment. How we calculate this.

Safety

Few incidents

Police and Border Guard Board open data list 9 recorded incidents in the surrounding ~0.7 km² cell over 24 months (data to 14.10.2026). Last 12 months vs the 12 before: -90%.

Counts incidents reported to the police, not how safe it feels.

Source: PPA open data.

Air quality

Moderate

Of 2 653 hourly readings in the last 12 months (07.12.2025–25.10.2026, this building’s cell (~0.1 km²)): 79% in the two best classes, 17% in the middle one and 4% in the two worst of five.

Source: Keskkonnaagentuur, hourly data.

Noise

65 dB Lden · loud

Estimated road noise is 12 dB above the WHO recommended level (53 dB Lden).

Source: Estiq noise model, OpenStreetMap.

Radon in the ground

High · 50–100 kBq/m³

Radon concentration in soil gas. Based on measurements in this cell. That is above the 50 kBq/m³ threshold from which new buildings need radon-safe construction (EVS 840). Municipality-wide class: Kõrge või väga kõrge.

A soil-gas reading, not the flat’s indoor air; mainly relevant to basements and ground floors.

Source: Estonian radon-risk map (Geological Survey of Estonia).

Price Trends & Sales Strategy

Transactions 2024 Q4–2026 Q3 · Land Board · Mustamäe · built 2011-2015 cohort.

Quarterly sales price €/m² (Sample: 72 deals · built 2011-2015)
Sales ✨ Forecast 2026 Q4 Method: weighted linear regression over the last 6 quarters, damped 0.75, capped ±5%/quarter. Not a guarantee. Kadaka asum · built 2011-2015 · €3 225 (2026 Q3)
Karsti tn 4 AVM benchmark: €3 447/m² 2024 Q4 too few deals7 deals too few deals— 2025 Q3 too few deals9 deals too few deals— 2025 Q4 too few deals6 deals too few deals— €3 107 2025 Q1 7 deals €3 140 2025 Q2 7 deals €3 125 2026 Q1 11 deals €3 287 2026 Q2 12 deals €3 225 2026 Q3 13 deals €3 260 2026 Q4 ✨ Forecast

Sales Strategy

AVM Fair Market Value
€3 447/m²
Price Band
€3 247–3 647
Indicative Asking Price (Typical 2-room · 57,7 m²)
€208 594
Indicative Asking Price€3 615/m²
Negotiation room~3–5%

Market pulse: this building vs its surroundings

Notary-deal €/m², year-on-year change and deal activity at neighbourhood, district and city level.

Level €/m² Building vs YoY Deals, 4 qtrs Direction
Neighbourhood: Kadaka asum2026 Q3 €3 555 −3.0% +14.5% — —
District: Mustamäe linnaosa2026 Q3 €2 679 +28.7% +8.5% 1 495 (+5.4%) Steady
City: Tallinn2026 Q3 €2 949 +16.9% +3.4% — —

Source: Land Board notary deals, latest finished quarter. Activity = deals in the last 4 quarters vs the 4 before. "Warming" or "cooling" only when both price (±3%) and activity (±10%) move the same way on at least 30 deals; otherwise "steady". We do not measure days on market.

Location Map & Nearest Amenities

Within a 10-minute walk, there are 5 key infrastructure facilities (14 services nearby) · Coordinates 59.394558, 24.643108 · Cadastre 78405:502:0083.

10 min walk
🚏
Mäepealse stop
Transit Stop · Bus routes
69 m · 1 min
🌳
Kadaka pst park
Park & Green Area · Recreation & walking
327 m · 4 min
🚏
Rehe stop
Transit Stop · Bus routes
465 m · 6 min
🚏
Mäepealse (ajutine) stop
Transit Stop · Bus routes
478 m · 6 min
🚏
Nõva stop
Transit Stop · Bus routes
528 m · 7 min
🌳
Nõmme spordikeskus
Sports centre · Recreation & walking
812 m · 11 min
🌳
Glehni rahula
Park & Green Area · Recreation & walking
874 m · 12 min
🌳
Glehni park
Park & Green Area · Recreation & walking
1000 m · 13 min
🎓
Tallinna Mustamäe Riigigümnaasium
Upper secondary school · Upper secondary school
1051 m · 14 min
🛒
Lidl
Supermarket · Groceries & daily goods
1134 m · 15 min
🛒
OÜ Aledus
Supermarket · Groceries & daily goods
1189 m · 16 min
🛒
Coop
Supermarket · Groceries & daily goods
1197 m · 16 min
🛒
Maxima X
Supermarket · Groceries & daily goods
1200 m · 16 min
🧒
Tallinna Lasteaed Pallipõnn
Kindergarten · Alusharidus
1335 m · 18 min
Within a 10-minute walk: 5 places, nearest stop 69 m away.

Neighborhood Vintage & Demographics: Mustamäe linnaosa

Official open data from Statistics Estonia REL2021 census and Building Register EHR.

Resident Age Distribution

66 333 residents
0–17 (Children & youth) 17.3% · 11 493
18–64 (Working age) 61.6% · 40 890
65+ (Seniors & retirees) 21% · 13 950

Education Level (15+)

56 459 residents
Basic or primary education 13.4% · 7 551
Secondary / vocational education 39.5% · 22 298
Higher education (BSc, MSc, PhD) 44.9% · 25 342
Education unknown 2.2% · 1 268

Construction Era & Housing Stock

34 988 dwellings
Pre-War & Historic (< 1945) 0% · 14
Soviet Era (1946–1990) 85.7% · 29 985
Post-Independence (1991–2010) 6.8% · 2 368
Modern Developments (2011+) 6.1% · 2 126

Peak construction era: 1961–1970.

Energy Efficiency Distribution A–G

Class A (Nearly Zero Energy) 2.4%
Class B (Low Energy) 3.7%
Class C (Standard Efficiency) 5.3%
Class D (Moderate Efficiency) 1.5%
Class E (Standard Soviet Build) 87.1%
Class F–G (High Consumption) 0%

Building Technical Profile

Values read from EHR and the Land Board cadastre; fields the registers do not hold are not shown.

Year Built2014
Total Apartments25
Floors7
Energy ClassC
Land OwnershipPrivate ownership · apartment ownership
Plot Size1 873 m²
Heating SystemDistrict Heating
Load-bearing StructureMonolithic Concrete
Elevators1
Noise Level65 dB (loud)

Official Register Records: EHR & Cadastre

Only what Estiq reads from EHR and the cadastre WFS. Estiq does not track fire-safety or lift inspections.

EHR · Building Register

Code 120531689 · record updated 01.11.2024.

Monolithic Concrete · lifts per EHR: 1.

EHR Portal (code: 120531689) →

Cadastral Unit (Land Board)

78405:502:0083 · plot area 1 873 m².

Land use: 95% Elamumaa, 5% arimaa.

Cadastral Map (78405:502:0083) ↗

Apartment association & running costs

The building is managed by apartment association Tallinn, Karsti tn 4 korteriühistu (registry code 80368346). Figures are from the association's 2025 annual report (e-Business Register).

Typical flat€192 per monthall costs incl. utilities
Association fees€1.49/m² per monthexcl. utilities · Kadaka subdistrict median €1.26/m² per month
LoansNo loansat year end

Management & Association Report: Hoonet haldab Olemar.

🔨 Completed repairs during the year:
Remonditööd: €3 396 Kindlustus: €518
Financial year20252024
Member fees€28 843€39 540
Repair spending€13 844€25 872
Cash€8 359€7 428
Reserve capital€7 838€0
Result for the year€276€0

25 flats · manager: Olemar · members: 24 private + 2 companies.
Source: apartment association annual reports (e-Business Register). €/m² = amount ÷ floor area of the flats in the Building Register (1 611 m²) ÷ 12. Comparison: median and quartiles of apartment associations in Kadaka subdistrict, same year.

Land & Spatial Board In-ADS address object (ADS-OID: EE01072071) · Postal code: 11625

KÜ Records in e-Äriregister ↗

Apartment buildings on Karsti tn

4 buildings on the street · street median €3 463/m² (n=4) · real-time filterable comparison.

Address Year Built Estiq €/m² Typical Unit Energy Class
Karsti tn 1 2009 €3 023 ~€180 171 C ~ View →
Karsti tn 4 This building 2014 €3 447 ~€198 661 C Active
Karsti tn 7 2014 €3 479 ~€256 291 C View →
Karsti tn 8 2017 €3 522 ~€201 515 C View →

Official Data Sources & Registry Verification

Direct data linkages, authoritative registries, and update timestamps.

Data Dimension Official Source Governing Authority Data as of Status
Building Specs EHR · 120531689 Maa- ja Ruumiamet 15.10.2026 (EHR record 01.11.2024) Confirmed
Cadastral Unit & Land Zoning Land & Spatial Board · 78405:502:0083 ↗ Land & Spatial Board 05.10.2026 Confirmed
Notarized Sales Transactions Land Board Transactions Database Land & Spatial Board 09.2026 Synchronized
Demographics & Census Data Population Register & RL21 Statistics Estonia annual (2021 census) Official
Safety & Environmental Monitoring Noise Maps, Air Quality & Police Police Board / Environment Agency model estimate Statistical
Market Rent & Gross Yield Estiq rental database · 4 listings within 500 m, matched building era · yield 4,2–5,2% Estiq Rental Intelligence 10.2026 · n=4 Market Data
Valuation Methodology Estiq AVM Comparable sales approach (not EVS 875 certified appraisal) 2026 model weights Statistical

Building Energy Rating Guide

The energy performance certificate reflects the heating efficiency and energy consumption intensity of the building.

C · this building Energy Efficient Good standard efficiency

Key Risk Factors

  • Built in 2014: technical utility systems require periodic updating and capital maintenance.
  • Energy class C: typically average heating demand. The energy certificate has expired, so the current class may differ. Actual heating costs depend on the apartment and how it is used.
  • Parking: on-grade surface parking on parcel/street; no separate underground garage.
  • Valuation nuance: bank collateral value for a specific unit depends fundamentally on interior finish.

Frequently Asked Questions (FAQ)

Structured answers compiled for buyers, sellers, search engines, and AI systems.

What building is located at Karsti tn 4, Tallinn?

Karsti tn 4 is a 7-story apartment building constructed in 2014, located in Mustamäe linnaosa, comprising 25 apartments. The EHR registry code is 120531689 and cadastral ID is 78405:502:0083. Estiq reports energy class C.

What is the average price per sqm and market value for apartments at Karsti tn 4?

The Estiq AVM model estimate is 3 447 €/m². The valuation range spans 3 247–3 647 €/m². The calculated fair value of a typical 2-room apartment is approximately €198 661.

How much does a 50 sqm or 75 sqm apartment cost at Karsti tn 4?

Based on the 3 447 €/m² benchmark, a 50 sqm apartment is indicatively valued at €172 350 and a 75 sqm apartment at €258 525. Actual value depends on interior condition, floor, parking, and storage.

How are apartment prices distributed by room count?

1-room: €139 860–€157 083; 2-room: €192 652–€216 376; 3-room: €241 121–€270 814; 4-room: €310 455–€348 686.

At what indicative asking price should a seller list?

The model-based indicative asking price is approximately €3 615/m² (for the typical 2-room unit, about €208 594), allowing a 3–5% negotiation buffer.

How much rental income can a 2-room apartment generate?

A 2-room apartment in good condition has an estimated market rent of €700–€850 per month, generating an estimated gross yield of 4,2–5,2%.

Is it cheaper to buy or to rent at Karsti tn 4?

Buying means a loan payment of about €821 a month, renting €700–€850 — the loan payment is 6% above the rent. That is 39% (loan) and 36% (rent) of the median gross wage (Tallinn, €2,126, Q2 2026, Statistics Estonia). Assumes the typical 2-room flat (57.7 m²) at €198,661 (Estiq estimate), an 80% loan over 25 years at 3.8% and a €39,732 down payment; rent from nearby offers; association and state fees excluded.

What is the area around Karsti tn 4 like: safety, air, noise and radon?

Police open data list 9 recorded incidents in the surrounding ~0.7 km² cell over 24 months (incident level: few incidents). Air: of the last 12 months' hourly readings, 79% were in the two best classes and 4% in the two worst (level: moderate). Estimated road noise at the building is 65 dB (Lden). Radon in soil gas: high (50–100 kBq/m³). These describe the area, not a specific apartment.

What are the running costs at Karsti tn 4?

According to the apartment association's 2025 annual report, a typical flat paid €192 per month in total, including utilities. Association fees excluding utilities were €1.49/m² per month. The association had no loans. See the association figures.

Does the Estiq online valuation replace a bank-certified appraisal?

No. For a mortgage the bank needs a certified valuer's report under EVS 875 — order a valuation.

How accurate is the Estiq automated valuation (AVM)?

Median error is 9.5% in Tallinn and 12.1% elsewhere in Estonia; 83% of Tallinn estimates fall within ±20% (blind test, May–September 2026). Atypical properties have larger errors — see the methodology.

Where does this data come from?

Sale prices — notarised apartment sales, Maa- ja Ruumiamet; estimates — the Estiq AVM model; rents — Estiq market database (24 months); wages — Statistics Estonia (PA117); building data — building register (EHR); association costs — housing associations' annual reports; noise and air — national noise maps and air monitoring. Figures refresh with every data load and each states its period and sample — see the methodology.

Building data reconciled against the EHR and Land Board (Maa-amet) registries. AVM methodology by Martin Koppel, Estiq real estate valuation advisor (methodology aligned with the EVS 875 standard). This is an automated model estimate, not an EVS 875 appraisal report. Updated 15.10.2026.

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