Access real-time HVAC permit data from Baltimore, MD. HVAC permits cover new installations, equipment replacement, and major system changes — all high-value customer signals.
Showing the 10 most recent HVAC permits issued in Baltimore, MD. Access all 4,522 permits from the last year via the API.
| Issued | Address | Value | Status | Contractor |
|---|---|---|---|---|
| 2026-06-05 | 306 W LORRAINE AVE | $850 | UNKNOWN | — |
| 2026-06-05 | 817 WILDWOOD PKWY | $4K | UNKNOWN | — |
| 2026-06-05 | 4046 BOARMAN AVE | $4K | UNKNOWN | — |
| 2026-06-05 | 4027 PARK HEIGHTS AVE | $12K | UNKNOWN | — |
| 2026-06-05 | 3325 DUDLEY AVE | $13K | UNKNOWN | — |
| 2026-06-05 | 20 S MADEIRA ST | $8K | UNKNOWN | — |
| 2026-06-05 | 1825 WALBROOK AVE | $2K | UNKNOWN | — |
| 2026-06-05 | 3708 THE ALAMEDA | $3K | UNKNOWN | — |
| 2026-06-05 | 2840 GREENMOUNT AVE | $22K | UNKNOWN | — |
| 2026-05-05 | 201 S CATHERINE ST | $6K | UNKNOWN | — |
Customer profile: HVAC contractors, heating and cooling companies, and equipment distributors.
Track homeowners replacing or installing HVAC systems — the largest signal for maintenance contract opportunities, air quality upgrades, and smart thermostat cross-sell.
Query Baltimore, MD HVAC permits directly with a single HTTP call:
curl "https://api.permit-stack.com/v1/permits/search?city=Baltimore&state=MD&category=HVAC" \ -H "X-API-Key: pk_your_key"
Or use the official Python SDK: pip install permitstack
PermitStack ingests permits from Baltimore, MD's official open data portal daily at 3 AM UTC. Most HVAC permits appear within 24-48 hours of issuance.
Yes. The API supports filtering by zip code, date range, contractor name, estimated value, and more. See the full API documentation for query parameters.
Yes. Building permits including HVAC permits are public records maintained by Baltimore, MD's building department. PermitStack normalizes this open data into a clean, consistent API.
Our customers include HVAC contractors, heating and cooling companies, and equipment distributors. Track homeowners replacing or installing HVAC systems — the largest signal for maintenance contract opportunities, air quality upgrades, and smart thermostat cross-sell.
Data source: Official Baltimore, MD open data portal. Last updated: 2026-06-05.